Motorola GP-688 Detailed Service Manual Download Page 253

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2-3

Signal

at L311?

Signal at

T301?

Signal at

C310?

Signal at

C307?

Signal at

C301?

No or

heck harmonic filters L101 & L102 and

ant. switches CR101, CR102, L104

Check filter between

C301 & C307; program

filter to schematic test

freq and check varactor

voltages.

Inject RF into J101

Are varactor

voltages OK?

Yes

Check RF amp (Q301)

Stage.

Check filter between

C310 & T301.

Yes

Check T301, T302,

CR306, R308, R309,

R310

Yes

1st LO O/P

OK?

Locked?

Yes

Check FGU

Yes

Trace IF signal

from L311 to

Q302. Check for

bad XTAL filter.

Yes

Q302 collec-

tor OK?

IF signal

present?

Before replacing

U301, check

U301 voltages;

trace IF signal

path.

Yes

Check for 2.6

VDC

Is R5

present?

Check Q210, U201

(pin 48) voltages and

U247

Check U404 voltage.

U404 can be selected by

MCU before replacing

U404.

Check varactor filter.

Yes

weak RF

Figure 2-2

Troubleshooting Chart for Receiver (Sheet 2 of 2)

Summary of Contents for GP-688

Page 1: ...Compact Professional Portable Radios GP344 GP388 GP644 GP688 and GP R Compact Series Detailed Service Manual 6864115B63 C Issue September 2007 ...

Page 2: ...he copyrighted computer program Accordingly any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola Furthermore the purchase of Motorola products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the cop...

Page 3: ... July 2007 iii Compact Professional Portable Radios Detailed Service Manual 6864115B63 C Contents Section 1 Service Maintainability Section 2 Power Distribution Controller and Keypad Service Information Section 3 VHF Service Information Section 4 UHF1 Service Information Section 5 UHF2 Service Information ...

Page 4: ... PCB builds Mar 2007 PCB s added 8404051G01 G09 G07 G08 8471678L01 8471679L01 8415885H01 841533H02 VHF 8471021L01 VHF 8486062B12 VHF 8404077G01 UHF1 8415563H06 UHF1 8471441L01 UHF1 8404102G08 UHF2 8416243H04 UHF2 8471475L01 UHF2 8485641Z02 UHF2 Mar 2007 UHF Narrow Band 450 470 MHz Jun 2007 ...

Page 5: ...Compact Professional Portable Radios Service Maintainability Issue July 2007 ...

Page 6: ...he copyrighted computer program Accordingly any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola Furthermore the purchase of Motorola products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the cop...

Page 7: ...re they meet government established RF exposure levels In addition manufacturers also recommend specific operating instructions to users of two way radios These instructions are important because they inform users about RF energy exposure and provide simple procedures on how to control it Please refer to the following websites for more information on what RF energy exposure is and how to control y...

Page 8: ... C95 1 1992 Institute of Electrical and Electronic Engineers IEEE C95 1 1999 Edition International Commission on Non Ionizing Radiation Protection ICNIRP 1998 Ministry of Health Canada Safety Code 6 Limits of Human Exposure to Radiofrequency Elec tromagnetic Fields in the Frequency Range from 3 kHz to 300 GHz 1999 Australian Communications Authority Radiocommunications Electromagnetic Radiation Hu...

Page 9: ...EE and ICNIRP RF exposure guidelines For a list of Motorola approved accessories visit the following website which lists approved accessories for your radio model http www motrola com governmentandenterprise Additional Information For additional information on exposure requirements or other training information visit http www motorola com rfhealth Electromagnetic Interference Compatibility NOTE Ne...

Page 10: ...ver an air bag or in the air bag deployment area Air bags inflate with great force If a portable radio is placed in the air bag deployment area and the air bag inflates the radio may be propelled with great force and cause serious injury to occupants of the vehicle Potentially Explosive Atmospheres Explosive atmospheres refers to hazard classified locations that may contain hazardous gas vapors or...

Page 11: ...UL CSA CENELEC Radios will not be upgraded to this capability and labeled once they have been shipped to the field Antennas Do not use any portable radio that has a damaged antenna If a damaged antenna comes into contact with your skin a minor burn can result Batteries All batteries can cause property damage and or bodily injury such as burns if a conductive material such as jewelry keys or beaded...

Page 12: ... approved Accessories and or options that can be used with that portable radio unit Using a non Motorola intrinsically safe battery and or accessory with the Motorola approved radio unit will void the intrinsically safe approval of that radio unit Do not replace or change accessories in a hazardous atmosphere Contact sparking may occur while installing or removing accessories and cause an explosio...

Page 13: ...er Assistance From Motorola 1 3 2 7 Related Documents 1 3 3 0 Radio Model Information 1 4 Chapter 2 MAINTENANCE 1 0 Introduction 2 1 2 0 Preventive Maintenance 2 1 2 1 Inspection 2 1 2 2 Cleaning 2 1 3 0 Safe Handling of CMOS and LDMOS 2 2 4 0 General Repair Procedures and Techniques 2 2 Chapter 3 SERVICE AIDS 1 0 Recommended Test Tools 3 1 2 0 Test Equipment 3 3 3 0 Replacing the Circuit Fuse Boa...

Page 14: ...x THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 15: ...tes are for guidance purposes only In instances where the product is covered under a return for replacement or return for repair warranty a check of the product should be performed prior to shipping the unit back to Motorola This is to ensure that the product has been correctly programmed or has not been subjected to damage outside the terms of the warranty Prior to shipping any radio back to the ...

Page 16: ... and Ordering Some replacement parts spare parts and or product information can be ordered directly If a complete Motorola part number is assigned to the part it is available from Motorola Radio Products and Solutions Organization RPSO If no part number is assigned the part is not normally available from Motorola If the part number is appended with an asterisk the part is serviceable by Motorola D...

Page 17: ...1 800 7922 Telephone 39 0 2822 0325 Fax 27 11 800 7923 Fax 39 0 2822 0334 Email radiosupport za motorola com Email C13864 email mot com France Armand Roy France Laurent Irrmann Telephone 33 1 6935 7868 Telephone 33 1 6935 7866 Fax 33 1 6935 7808 Fax 33 1 6935 7808 Email armand roy motorola com Email laurent irrmann motorola com 2 6 Further Assistance From Motorola You can also contact the Customer...

Page 18: ...el Number Example MDH38KDC9AN3AE Type of Unit Model Series Freq Band Power Level Physical Packages Channel Spacing Protocol Feature Level Model Revision Model Package MD H 38 GP344 GP344R GP388 GP388R GP644 GP644R GP688 GP688R GP366R GP666R K VHF 136 174MHz D 4 5W C GP344 GP344R GP644 GP644R 9 Program mable AN Conventional 5 Tone 3 GP344 GP344R GP644 GP644R A E R UHF1 403 470MHz F GP366R GP666R CK...

Page 19: ...alcohol 70 by volume 1 Cleaning External Plastic Surfaces The detergent water solution should be applied sparingly with a stiff non metallic short bristled brush to work all loose dirt away from the radio A soft absorbent lintless cloth or tissue should be used to remove the solution and dry the radio Make sure that no water remains entrapped near the connectors cracks or crevices 2 Cleaning Inter...

Page 20: ...thout first referring to the CMOS CAUTION paragraph in the Disassembly and Reassembly section of the manual 4 0 General Repair Procedures and Techniques NOTE Always use a fresh supply of alcohol and a clean container to prevent contamination by dissolved material from previous usage NOTE Environmentally Preferred Products EPP refer to the marking on the printed circuit boards examples shown below ...

Page 21: ... getting solder in the connector be careful not to form solder bridges between the connector pins closely examine your work for shorts due to solder bridges Flexible Circuits The flexible circuits are made from a different material than the rigid boards and different techniques must be used when soldering Excessive prolonged heat on the flexible circuit can damage the material Avoid excessive heat...

Page 22: ...power desoldering station remove the excess solder from the pads To replace a chip component using a soldering iron 1 Select the appropriate micro tipped soldering iron and apply fresh solder to one of the solder pads 2 Using a pair of tweezers position the new chip component in place while heating the fresh solder 3 Once solder wicks onto the new component remove the heat from the solder 4 Heat t...

Page 23: ...f the heat grab the part with a pair of tweezers and turn off the vacuum pump 9 Remove the circuit board from the R1070 circuit board holder To replace the shield 1 Add solder to the shield if necessary using a micro tipped soldering iron 2 Next rub the soldering iron tip along the edge of the shield to smooth out any excess solder Use solder wick and a soldering iron to remove excess solder from ...

Page 24: ...2 6 MAINTENANCE THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 25: ... 5 pk Digitally controlled soldering iron For 0180382A31 portable desoldering unit RLN4062A Hot Air Workstation 120V Tool for hot air soldering desoldering of surface mounted integrated circuits 0180386A78 Illuminated magnifying glass with lens attachment Audio voltage measurements 0180302E51 Master Lens System Illumination and magnification of components 0180386A82 6684253C72 6680384A98 1010041A8...

Page 26: ...1 x24 1mm Heat focus heads for R 1321A work station ChipMaster Noz zles ChipMaster Nozzles 6680333E28 PA Nozzle 6680332E83 PLCC 28 Nozzle 6680332E93 PLCC 32 Nozzle 6680332E82 PLCC 44 Nozzle 6680332E94 PLCC 52 Nozzle 6680332E95 PLCC 68 Nozzle 6680332E96 PLCC 84 Nozzle 6680332E89 QFP 80 Nozzle MotorolaPart No Description Application ...

Page 27: ... Voltmeter 100 µV to 300 V 5Hz 1MHz 10 Megohm input impedance Audio voltage measurements R1611A Dual Channel 100MHz Two channel 100 MHz band Waveform Measure ments Oscilloscope Agil lent width 200 M sample rate sec and 2Mb mem ory channel WADN4133_ Delay Oscilloscope 2 Channel 40 MHz bandwidth 5 mV cm 20 V cm Waveform measurements R1440_ 0180305F17 0180305F22 0180305F30 0180305F31 0180305F39 RLN46...

Page 28: ...olt Meter 100mV to 3 VRF 10 kHz to 1 2 GHz RF level measurements R1011_ Alternate to S1348 220V Power Supply 0 40V 40A Programmable S1348_ 220V Power Supply 0 20V 5A Programmable Motorola Part No Description Characteristics Application ...

Page 29: ...475 C476 C479 C503 C3303 C3336 C3506 C3507 C3509 C3515 C3516 C3526 C3560 C3561 C3562 C3563 C3564 R3565 C3568 C3569 C3708 C3802 C3804 C3805 C3806 C3808 C3809 C3811 C3812 C3813 C3815 C3816 C3818 C3821 C3823 C3827 CR501 E400 E401 E402 E403 E404 E405 H3501 L410 L411 L3519 L3523 L3801 L3809 L3811 L3812 L3813 L3816 L3826 Q410 Q3801 R409 R411 R413 R423 R424 R425 R431 R445 R449 R457 R461 C483 R472 R473 R3...

Page 30: ...C380 C306 C311 C316 C317 C312 CR304 CR305 CR303 L340 L306 L307 L305 L304 R306 R307 R347 R305 SH302 C309 C307 L303 Q301 R304 R303 R340 R328 C383 C390 C346 C339 C340 C341 C342 C343 C357 C358 R344 13 25 37 1 U301 C337 C329 C347 C348 C356 L314 SH322 C336 C344 C360 C355 C361 C382 L331 R343 R350 C345 C334 C359 C327 C330 C326 C338 L330 Q302 R315 R313 R311 R312 B501 3 2 1 C503 CR306 CR501 F501 SH304 C105 ...

Page 31: ...io s antenna port to BNC cabling of test equipment HKN9743_ MAP27 Cable Connects radio to computer for MAP27 applications in MPT requirements HLN9742_ Flash Upgrade Adapter Provides connections to the computer or RIB programming test cable 0180305G54 Shop Battery Eliminator Interconnects radio to power supply 8180384F66 Bench Test Housing Eliminator for long housing Provides for troubleshooting of...

Page 32: ...3 8 SERVICE AIDS THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 33: ...TST ERROR RAM Test Failure Retest radio by turning it off and turning it on again If message reoccurs replace RAM U405 ROM CS ERROR ROM Checksum is wrong Reprogram FLASH Memory then retest If message reoccurs replace ROM U406 EEPRM HW ERROR Codeplug structure mismatch non existence of codeplug Reprogram codeplug with correct version and retest radio If message reoccurs replace EEPROM U407 EEPRM CS...

Page 34: ...4 2 POWER UP SELF TEST THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 35: ...Compact Professional Portable Radios Power Distribution Controller and Keypad Service Information Issue July 2007 ...

Page 36: ...he copyrighted computer program Accordingly any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola Furthermore the purchase of Motorola products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the cop...

Page 37: ...yout Rev A 3 5 2 5 Flex Layout Rev B 3 5 2 6 Flex Layout Rev O 3 6 3 0 Universal Connector Flex 3 7 3 1 Flex for GP344 GP644 3 7 3 2 Flex for GP388 GP688 3 9 3 3 Schematic for Universal Flex GP344 GP644 3 11 3 4 Schematic for Universal Flex GP388 GP688 3 11 3 5 Parts List for Universal Flex GP344 GP644 8404079G07 3 12 3 6 Parts List for Universal Flex GP344 GP644 8415909H01 8471612L01 3 12 3 7 Par...

Page 38: ...iv THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 39: ...over the momentary on path within 12ms SWB will continue to support the whole board until the radio is turned off Radio will be turned off on two conditions 1 MECH_SWB turned off 2 Low battery When low battery level is detected by the microprocessor through both conditions above it will store the radio personality data to EEPROM before turning off Figure 1 1 DC Power Distribution Block Diagram Con...

Page 40: ...ier Audio PA and audio signalling filter companding IC ASFIC_CMP form the backbone of the audio signalling architecture Figure 1 2 Controller Block Diagram External Microphone Internal Microphone External Speaker Internal Speaker SCI to Side Connector Audio PA Audio Signalling Architecture To Synthesizer Mod Out 16 8 MHz Reference Clock from Synthesizer Recovered Audio Squelch To RF Board SPI Digi...

Page 41: ...PI7 form the crystal oscillator circuit Clock frequency of 38 4kHz from a crystal oscillator provides the reference signal In the processor the frequency is divided down to 1Hz As the RTC module is powered separately from the processor Vdd the RTC is kept alive through the ModB Vstby pin when the radio is switched off A small button Lithium Ion battery continues to feed the RTC when the primary ba...

Page 42: ... the Analog to Digital voltages at the keypad row and keypad column and map it with the table so that the key being pressed can be identified Once the key has been identified the message that corresponds to the key will show up at the display Table 1 1 ModB Vstby Supply Modes Condition Circuit Operation Radio On Vdd supply voltage via CR411 Radio Off Vdd turned off Q416 gate is pulled low by R462 ...

Page 43: ...e to refer to the related detailed circuit descriptions in the theory of operation sections prior to troubleshooting a radio Most troubleshooting charts end up by pointing to an IC to replace It is not always noted but it is good practice to verify supplies and grounds to the affected IC and to trace continuity to the malfunctioning signal and related circuitry before replacing any IC For instance...

Page 44: ...D does not light up PTT U409 Pin 53 low Press PTT Q502 2 High Check PB504 Check Q502 2 voltage LED Q502 R501 OK Replace Faulty Component Check Accessories J403 OPT_SEL_1 OPT_SEL_2 Pin 8 9 low Radio could not PTT externally U409 Pin 52 6 low See FGU Troubleshooting chart LED should light up Check MCU PTT NO YES YES No No NO YES YES NO YES YES NO NO YES YES NO NO YES NO YES NO YES YES NO NO YES EXT ...

Page 45: ... Filter IF Freq 45 1MHz Audio heard B Yes No Check 2nd LO Control Voltage at C3279 VCO locked B Yes 16 8 MHz check at pin 21 U3220 Activity on U3220 sel pin Check FGU No No A A Yes Check Q3270 bias circuitry for faults Rotate Freq Knob Check controller Before replacing U3220 check 2nd VCO Q3270 Check VCO O P level C3272 C3273 Yes No Figure 2 2 Troubleshooting Chart for Receiver Sheet 1 of 2 ...

Page 46: ...heck RF amp Q3302 Stage Check filter between C3313 T3301 Yes Check T3301 T3302 CR3301 R3321 R3322 R3323 Yes 1st LO O P OK Locked Yes Check FGU Yes Trace IF signal from C3200 to Q3200 Check for bad XTAL filter No Yes Q3200 collector OK IF signal present Before replacing U3220 check U3220 voltages trace IF signal path Yes Check for 2 9 VDC Is R5 present Check Q3721 U3701 pin 48 voltages and U247 No ...

Page 47: ...PTT Red LED does not light up PTT U409 Pin 53 low Press PTT Q502 2 High Check PB504 Check Q502 2 voltage LED Q502 R501 OK Replace Faulty Component Check Accessories J403 OPT_SEL_1 OPT_SEL_2 Pin 8 9 low Radio could not PTT externally U409 Pin 52 6 low See FGU Troubleshooting chart LED should light up Check MCU PTT NO YES YES No No NO YES YES NO YES YES NO NO YES YES NO NO YES NO YES NO YES YES NO N...

Page 48: ...odes 2 Check Harmonic Filter Inspect Repair Tx Output Network Is Power OK Done Check Drive to Module Is Drive OK Troubleshoot VCO Inspect PA Network Check Power Out of U101 at Cap C160 Is Power OK Replace U101 Is Power OK Replace Q101 Done Done No Yes Yes No No Yes Low High No Yes Yes No Yes No Figure 2 5 Troubleshooting Flow Chart for VCO UHF1 and UHF2 ...

Page 49: ...Pin 47 and Pins 14 15 of U201 Replace or resolder necessary components Is RF level at U201 Pin 32 30 dBm Are R231 R232 R233 C231 C23 2 C233 OK Replace U201 If L261 C263 C264 are OK then see VCO troubleshooting chart Are Waveforms at Pins 14 15 triangular Do Pins 7 8 9 of U201 toggle when channel is changed Check programming lines between U409 and U201 Pins 7 8 9 Replace U201 Check uP U409 Troubles...

Page 50: ...3 2V Pin 19 0V AUX 4 High Change Q261 V ctrl 0V or 13V L243 Open Cir cuit Change U241 Change L243 Change U201 Check for faulty parts or dry joints of L271 L273 C370 C386 R339 L320 A A No No Yes Yes Yes No No Yes Yes Yes No Yes No No Yes Yes No No Check R245 for dry joint or faulty No Figure 2 7 Troubleshooting Flow Chart for Synthesizer UHF1 and UHF2 ...

Page 51: ...ing Charts includes Controller and Keypad 2 9 Figure 2 8 Trouble Shooting Flowchart Keypad Display Keypad LED End Disconnect and reconnect 18 pin flex Disconnect and reconnect 40 pin flex ON OFF OFF ON IF STILL OFF ...

Page 52: ...2 10 TROUBLESHOOTING CHARTS THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 53: ...ler RF Board Interconnect Flex Layout schematics parts list Universal Connector Flex Layout schematics parts list 8404051G01 Radios with Keypad Display 8415530H01 Radios with Keypad Display 8404056G01 Radios with Keypad Display 8404056G02 Radios with Keypad Display 8471678L01 Radios with Keypad Display 8471679L01 Radios with Keypad Display 8404051G07 G08 Radios without Keypad Display 8404051G09 Ra...

Page 54: ...m 8471679L01 SCHEMATICS 8404051G07 G08 G09 Complete Controller Schematic Controller ASFIC ON_OFF Schematic Controller Microprocessor Schematic Controller Memory Schematic Controller Audio Power Amplifier Schematic SCHEMATICS 8415885H01 Complete Controller Schematic Controller ASFIC ON_OFF Schematic Controller Microprocessor Schematic Controller Memory Schematic Controller Audio Power Amplifier Sch...

Page 55: ...L Det_Aud_Snd Rx_Aud_Rtn Tx_Aud_Snd Tx_Aud_Rtn Flat_Tx_Rtn Opt_Bd_En Rdy Req Rx_Aud_Snd ON INT_EXT_Vdd Key_Row Key_Col PTT KEY_INT VS_INT RESET LED_EN OFF_BATT_DATA_OUT VS_GAINSEL SrD_Rtn MISO SrD_Snd DATA R_W LCD_SEL DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 A0 SCK_Snd CLK VS_RAC Gnd 17 18 19 20 21 22 23 24 19 20 21 22 23 24 25 26 28 27 29 30 31 32 3 4 5 6 7 8 9 10 33 34 35 36 37 38 39 40 1 2 3 4 5 6 7 8 9...

Page 56: ...t Flex Rev A 2 5 Flex Layout Rev B Table 3 2 Keypad Controller RF Board Interconnect Flex Rev B Reference Symbol Motorola Part No Description J200 0905505Y04 Connector 40pin J400 090242P03 Connector 40pin 98 C J200 40 J400 40 TO CTRL 8480475Z02 REV A TO RF Front Metal View From Top Side 98 C J200 40 J400 40 TO CTRL 8480475Z03 REV B TO RF Front Metal View From Top Side ...

Page 57: ...ad Controller RF Board Interconnect Flex 3 5 2 6 Flex Layout Rev O Table 3 3 Keypad Controller RF Board Interconnect Flex Rev O 8415637H01 Rev O C 04 TO CTRL TO RF J200 40 40 Front Metal View From Top Side ...

Page 58: ... SCHEMATICS 3 0 Universal Connector Flex 3 1 Flex for GP344 GP644 Back Metal View From Back Side J404 J405 J406 J407 J408 J409 J410 J411 J412 J413 J414 J415 J416 M401 1 20 P403 Front Metal View From Front Side 1 2 M400 C402 ...

Page 59: ...iew From Back Side Front Metal View From Front Side Back Metal J 4 0 4 J 4 0 5 J 4 0 6 J 4 0 7 J 4 0 8 J 4 0 9 J 4 1 0 J 4 1 1 J 4 1 2 J 4 1 3 J 4 1 4 J 4 1 5 J 4 1 6 1 2 M400 M 4 0 1 1 20 P403 C 4 0 2 for 8471612L01 for 8471612L01 ...

Page 60: ...KEYPAD SCHEMATICS 3 2 Flex GP388 GP688 View From Back Side C 8486095Z01_O 2001 C402 Front Metal View From Front Side J404 J405 J406 J407 J408 J409 J410 J411 J412 J413 J414 J415 J416 2 1 M400 M401 P403 1 20 Back Metal ...

Page 61: ...onnector Flex 3 9 View From Back Side Front Metal View From Front Side Back Metal for 8471698L01 for 8471698L01 C 4 0 2 2 0 1 P 4 0 3 J404 J405 J406 J407 J408 J409 J410 J411 J412 J413 J414 J415 J416 1 2 M400 M401 ...

Page 62: ... MIC GND GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J403 20 PIN CONN M400 SPKR_20 SPKR_20 EXT_SPKR 2113740A55 EXT_SPK OPT_B EXT_MIC OPT_SEL_2 OPT_SEL_1 GND RX_DATA BOOT_CTRL 13 PIN UNIVERSAL CONN NC E C M TX_DATA RSSI RX_AUDIO TX_AUDIO J404 J406 J405 J408 J407 J409 J410 J414 J413 C402 100pF 5013920A04 M401 2 1 J415 J412 J416 J411 spe SPKR_20 OPT_B 30 5005679X01 SPEAKER M400 SPKR_20 SPK...

Page 63: ...bol Motorola Part No Description C402 2113740A55 Cap 100pF M400 5005679X01 Speaker 24 ohm M401 5013920A04 Mic Mini electrec Reference Symbol Motorola Part No Description C402 2113944F01 Cap 100pF M400 5005679X07 Speaker 24 ohm M401 5015027H01 Mic Mini electrec Reference Symbol Motorola Part No Description C402 2113740A55 Cap 100pF M400 5086094Z01 Speaker 20 ohm M401 5013920A04 Mic Mini electrec Re...

Page 64: ...3 12 CONTROLLER KEYPAD SCHEMATICS ...

Page 65: ...io Parts List RF Board Radios with Keypad and Display EPP ZMY0130800 O D601 M604 M605 M607 M608 R620 D604 M610 M613 R618 D603 M616 M619 R622 TP402 TP406 TP410 D602 M606 M609 R621 D605 M611 M612 M614 M615 R619 D606 M617 M618 M620 M621 R623 TP401 TP405 TP415 VHF UHF1 Main Board Top View PCB No 8404051G01 ...

Page 66: ...0 C472 C416 C481 Q410 R400 R413 R471 R481 C409 C479 C408 R425 13 25 37 1 U404 C411 C414 C476 C405 C410 C443 C440 C442 C452 C475 R475 R473 VR446 VR448 VR449 VR450 C444 C445 C430 C415 C451 L400 L401 Q417 3 4 R447 R454 R455 R436 R456 R421 R435 R434 C425 C426 C449 C421 U409 26 51 76 1 C434 C435 C480 C423 C730 C436 C437 3 FL401 Q400 Q416 Q405 3 4 R416 R462 R420 R426 R460 R461 C400 C401 C402 C403 C406 C...

Page 67: ...SX SCI_RX SCI_TX SWB UNSWB Vdda A0 A1 A10 A11 A12 A13 A14 5V AUDIO AUDIO_PA_ENA BOOT_CTRL EXT_MIC EXT_SPKR_SEL FLAT_RX_SND INT_MIC OPT_SEL1 OPT_SEL2 RSSI J400 38 J400 9 C727 100pF 100pF C708 C724 100pF J400 14 J400 39 J400 41 J400 1 J400 25 C716 100pF 100pF C711 C709 100pF C721 J400 34 J400 35 100pF J400 36 J400 13 C723 100pF 100pF C722 D3 D4 D5 D6 D7 FLASH_EN FLASH_OE RAM_CS RESET R_W Vddd XA18 J...

Page 68: ... 24K C481 24K R476 VDDA 1 VDDCP 32 VDDD 33 VDDDAC 11 VDDRC 45 VDDSYN 27 VOX 7 39 RXSND 12 SQCAP SQDET 17 SQIN 9 SYN 28 TXRTN 36 TXSND 44 UIO 10 LSIO 18 MICEXT 48 MICINT 46 MOD 40 NC 26 PLCAP 8 PLCAP2 25 43 RXRTN GCB5 38 GNDA 3 GNDD 31 30 GNDDO GNDRC 47 GNDSYN 23 HSIO 19 LCAP 24 DATA 22 DISC 2 F1200 29 GCB0 15 GCB1 14 GCB2 13 GCB3 35 GCB4 37 42 AUXTN CHACT 16 CLK 21 CLK168 34 CSX 20 DACG 6 DACR 5 D...

Page 69: ...TA1 32 PC2_DATA2 33 PC3_DATA3 34 PC4_DATA4 35 PC5_DATA5 36 PC6_DATA6 37 PC7_DATA7 97 PD0_RXD 98 PB2_ADDR10 9 PB3_ADDR11 21 PB4_ADDR12 15 PB5_ADDR13 8 PB6_ADDR14 7 PB7_ADDR15 14 PBO_ADDR8 30 PC0_DATA0 31 PA1_IC2 81 PA2_IC1 82 PA3_IC4_OC5_OC1 83 PA4_OC4_OC1 84 PA5_OC3_OC1 PA6_OC2_OC1 85 86 PA7_PA1_OC1 10 PB1_ADDR9 11 AVSS 89 ECLK 90 EXTAL 96 IRQ LVOUT 95 MODA_LIR 58 57 MODB_VSTBY 79 PA0_IC3 80 U409 ...

Page 70: ... OE 22 VSS 14 CS 20 FLASH_OE R428 2 2 6V 2311049A59 C424 10uF 0 1uF C429 R478 10K Vddd A10 A0 A1 A11 A13 A3 A5 A7 A9 A8 A6 A4 A2 A17 A16 A15 A14 A12 R_W RAM_CS NU 0 R492 R408 100K XA18 FLASH_EN 5102463J59 AT49HLV010 U406 VCC 8 EN_CE 30 EN_OE 32 EN_WE 7 20 FLASH ROM D7 29 A9 2 D0 21 D1 22 D2 23 D3 25 D4 26 D5 27 D6 28 A2 18 A3 17 A4 16 A5 15 A6 14 A7 13 A8 3 A10 31 1 A0 A1 19 9 A18 A11 A12 12 A13 4...

Page 71: ...4 0 1uF C443 L401 390nH 100pF C444 C445 100pF BOOT_CTRL FLAT_RX_SND SCI_RX SCI_TX RSSI R473 10 C442 0 1uF OPT_SEL2 OPT_SEL1 1W 100pF C473 68 R450 100pF C471 100pF C472 SWB 100pF C496 C497 100pF 100pF C495 C494 100pF 10V VR450 MMQA5V6T1 4805656W08 VR433 5 6V 4880140L15 MMBZ5240B C491 100pF C493 100pF 100pF C492 C490 100pF VR445 10V VR448 10V 10V VR447 10V VR449 VR446 10V 20 PIN CONN J403 4880140L15...

Page 72: ... C610 100pF M609 SWITCH FN03 GND 4 IN 1 OUT1 2 OUT2 BK1005HM471 E640 R609 43K J702 7 R613 1MEG BK1005HM471 E642 100pF C616 79U01 D606 1K R618 1K R619 100K R722 2 OUT2 100K R721 SWITCH M606 3 GND 4 IN 1 OUT1 R647 3K J702 2 J702 9 J702 15 79U01 D604 Q601 PNP D601 79U01 D605 79U01 79U01 D602 J702 1 J702 11 D603 79U01 J702 10 J702 13 4 3 1 2 5 OUT1 2 OUT2 LMC7211 U602 M615 SWITCH FN03 GND 4 IN 1 E400 ...

Page 73: ...and Radio Parts List RF Board Radios with Keypad and Display EPP D601 D602 D603 D604 D605 D606 M604 M605 M606 M607 M608 M609 M610 M611 M612 M613 M614 M615 M616 M617 M618 M619 M620 M621 R618 R619 R620 R621 R622 R623 TP401 TP402 TP405 TP406 TP410 TP415 Controller Board Top View PCB No 8415530H01 ...

Page 74: ...E404 E405 E406 E407 E408 E409 E634 E637 E638 E639 E640 E641 E642 E643 E644 E645 E701 E702 E703 E704 3 FL401 40 1 J400 20 1 g1 g2 J403 1 18 J702 L400 L401 L410 L411 Q400 Q403 4 3 Q405 4 3 Q410 Q416 4 3 Q417 Q601 Q602 Q603 R400 R406 R408 R409 R410 R411 R413 R414 R415 R416 R418 R419 R420 R421 R423 R424 R425 R426 R427 R428 R429 R431 R432 R434 R435 R436 R437 R447 R448 R450 R451 R452 R453 R454 R455 R456...

Page 75: ...lay EPP 3 23 ZMY0130800 O D601 M604 M605 M607 M608 R620 D604 M610 M613 R618 D603 M616 M619 R622 TP402 TP406 TP410 D602 M606 M609 R621 D605 M611 M612 M614 M615 R619 D606 M617 M618 M620 M621 R623 TP401 TP405 TP415 Controller Board Top View PCB No 8404056G01 ...

Page 76: ...19 C450 C472 C416 C481 Q410 R400 R413 R471 R481 C409 C479 C408 R425 13 25 37 1 U404 C411 C414 C476 C405 C410 C443 C440 C442 C452 C475 R475 R473 VR446 VR448 VR449 VR450 C444 C445 C430 C415 C451 L400 L401 Q417 3 4 R447 R454 R455 R436 R456 R421 R435 R434 C425 C426 C449 C421 U409 26 51 76 1 C434 C435 C480 C423 C730 C436 C437 3 FL401 Q400 Q416 Q405 3 4 R416 R462 R420 R426 R460 R461 C400 C401 C402 C403 ...

Page 77: ...d Display EPP 3 25 D601 D602 D603 D604 D605 D606 M604 M605 M606 M607 M608 M609 M610 M611 M612 M613 M614 M615 M616 M617 M618 M619 M620 M621 R618 R619 R620 R621 R622 R623 TP401 TP402 TP405 TP406 TP410 TP415 Controller Board Top View PCB No 8404056G02 ...

Page 78: ...3 FL401 Q400 4 3 Q405 R416 R420 C435 R460 R461 R462 C480 C730 Q416 26 C415 C430 C451 4 3 Q417 R421 R434 R436 R455 25 13 U404 C416 C419 C420 C421 C422 R400 R413 C408 C409 C450 C472 C479 C481 4 3 Q410 R425 R471 R481 1 37 C447 C448 C475 C476 R423 R424 R431 R472 R498 R499 11 1 20 10 U420 C405 C410 C411 C414 C442 C443 R473 R475 VR446 VR448 VR449 VR432 VR433 VR445 VR450 C440 C444 C452 L400 L401 R435 R45...

Page 79: ...A_ENA BOOT_CTRL EXT_MIC EXT_SPKR_SEL FLAT_RX_SND INT_MIC OPT_SEL1 OPT_SEL2 RSSI J400 38 J400 9 C727 100pF 100pF C708 C724 100pF J400 14 J400 39 J400 41 J400 1 J400 25 C716 100pF 100pF C711 C709 100pF C721 J400 34 J400 35 100pF J400 36 J400 13 C723 100pF 100pF C722 D3 D4 D5 D6 D7 FLASH_EN FLASH_OE RAM_CS RESET R_W Vddd XA18 J400 37 A13 A14 A15 A16 A17 A2 A3 A4 A5 A6 A7 A8 A9 D0 D1 D2 J400 20 A0 A1 ...

Page 80: ... C481 24K R476 VDDA 1 VDDCP 32 VDDD 33 VDDDAC 11 VDDRC 45 VDDSYN 27 VOX 7 39 RXSND 12 SQCAP SQDET 17 SQIN 9 SYN 28 TXRTN 36 TXSND 44 UIO 10 LSIO 18 MICEXT 48 MICINT 46 MOD 40 NC 26 PLCAP 8 PLCAP2 25 43 RXRTN GCB5 38 GNDA 3 GNDD 31 30 GNDDO GNDRC 47 GNDSYN 23 HSIO 19 LCAP 24 DATA 22 DISC 2 F1200 29 GCB0 15 GCB1 14 GCB2 13 GCB3 35 GCB4 37 42 AUXTN CHACT 16 CLK 21 CLK168 34 CSX 20 DACG 6 DACR 5 DACU ...

Page 81: ...32 PC2_DATA2 33 PC3_DATA3 34 PC4_DATA4 35 PC5_DATA5 36 PC6_DATA6 37 PC7_DATA7 97 PD0_RXD 98 PB2_ADDR10 9 PB3_ADDR11 21 PB4_ADDR12 15 PB5_ADDR13 8 PB6_ADDR14 7 PB7_ADDR15 14 PBO_ADDR8 30 PC0_DATA0 31 PA1_IC2 81 PA2_IC1 82 PA3_IC4_OC5_OC1 83 PA4_OC4_OC1 84 PA5_OC3_OC1 PA6_OC2_OC1 85 86 PA7_PA1_OC1 10 PB1_ADDR9 11 AVSS 89 ECLK 90 EXTAL 96 IRQ LVOUT 95 MODA_LIR 58 57 MODB_VSTBY 79 PA0_IC3 80 U409 MC68...

Page 82: ...22 VSS 14 CS 20 FLASH_OE R428 2 2 6V 2311049A59 C424 10uF 0 1uF C429 R478 10K Vddd A10 A0 A1 A11 A13 A3 A5 A7 A9 A8 A6 A4 A2 A17 A16 A15 A14 A12 R_W RAM_CS NU 0 R492 R408 100K XA18 FLASH_EN 5102463J59 AT49HLV010 U406 VCC 8 EN_CE 30 EN_OE 32 EN_WE 7 20 FLASH ROM D7 29 A9 2 D0 21 D1 22 D2 23 D3 25 D4 26 D5 27 D6 28 A2 18 A3 17 A4 16 A5 15 A6 14 A7 13 A8 3 A10 31 1 A0 A1 19 9 A18 A11 A12 12 A13 4 A14...

Page 83: ...1uF C443 L401 390nH 100pF C444 C445 100pF BOOT_CTRL FLAT_RX_SND SCI_RX SCI_TX RSSI R473 10 C442 0 1uF OPT_SEL2 OPT_SEL1 1W 100pF C473 68 R450 100pF C471 100pF C472 SWB 100pF C496 C497 100pF 100pF C495 C494 100pF 10V VR450 MMQA5V6T1 4805656W08 VR433 5 6V 4880140L15 MMBZ5240B C491 100pF C493 100pF 100pF C492 C490 100pF VR445 10V VR448 10V 10V VR447 10V VR449 VR446 10V 20 PIN CONN J403 4880140L15 x 5...

Page 84: ...610 100pF M609 SWITCH FN03 GND 4 IN 1 OUT1 2 OUT2 BK1005HM471 E640 R609 43K J702 7 R613 1MEG BK1005HM471 E642 100pF C616 79U01 D606 1K R618 1K R619 100K R722 2 OUT2 100K R721 SWITCH M606 3 GND 4 IN 1 OUT1 R647 3K J702 2 J702 9 J702 15 79U01 D604 Q601 PNP D601 79U01 D605 79U01 79U01 D602 J702 1 J702 11 D603 79U01 J702 10 J702 13 4 3 1 2 5 OUT1 2 OUT2 LMC7211 U602 M615 SWITCH FN03 GND 4 IN 1 E400 C6...

Page 85: ...P 10 0UF 10V C481 2113946B04 CAP CER CHP 0 10UF 10V 10 C490 2113944A40 CAP CER CHP 100 0PF 50V 5 C491 2113944A40 CAP CER CHP 100 0PF 50V 5 C492 2113944A40 CAP CER CHP 100 0PF 50V 5 C493 2113944A40 CAP CER CHP 100 0PF 50V 5 Circuit Ref Motorola Part No Description C494 2113944A40 CAP CER CHP 100 0PF 50V 5 C495 2113944A40 CAP CER CHP 100 0PF 50V 5 C496 2113944A40 CAP CER CHP 100 0PF 50V 5 C497 21139...

Page 86: ...XSTR OTHR UMG5NFTR 250MHZ Q410 4815066H01 XSTR OTHR UMG5NFTR 250MHZ Circuit Ref Motorola Part No Description Q416 4815069H02 TSTR MOSFET P CHAN Q417 4815055H01 XSTR GEN PURPOSE SMALL SIG NPN AND Q601 4813973A13 XSTR BIP GP SS PNP TO 236 SOT 23 Q602 4813973M07 TSTR NPN 40V 2A GEN PURP Q603 4813973M07 TSTR NPN 40V 2A GEN PURP R400 0613952R17 CER CHIP RES 47K OHM 5 0402 R406 0613952R22 CER CHIP RES 7...

Page 87: ...13952R25 CER CHIP RES 100K OHM 5 0402 R646 0613952R25 CER CHIP RES 100K OHM 5 0402 R647 0613952Q84 CER CHIP RES 3000 OHM 5 0402 R648 0613952R25 CER CHIP RES 100K OHM 5 0402 R649 0613952R17 CER CHIP RES 47K OHM 5 0402 R721 NOTPLACED GCAM DUMMY PART NUMBER R722 NOTPLACED GCAM DUMMY PART NUMBER RT400 0680590Z01 THERMISTOR_33K TP401 NOTPLACED GCAM DUMMY PART NUMBER TP402 NOTPLACED GCAM DUMMY PART NUMB...

Page 88: ...3 36 PCB and Scematic Diagrams Radios with Keypad and Display EPP THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 89: ... 10UF 10V 10 C490 2113945A05 CAP CER CHP 470PF 50V 10 C491 2113945A05 CAP CER CHP 470PF 50V 10 C492 2113945A05 CAP CER CHP 470PF 50V 10 C493 2113945A05 CAP CER CHP 470PF 50V 10 C494 2113945A05 CAP CER CHP 470PF 50V 10 Circuit Ref Motorola Part No Description C495 2113945A05 CAP CER CHP 470PF 50V 10 C496 2113945A05 CAP CER CHP 470PF 50V 10 C497 2113945A05 CAP CER CHP 470PF 50V 10 C498 2113946K02 CA...

Page 90: ...S 10K OHM 5 0402 Circuit Ref Motorola Part No Description R413 0613952R66 CER CHIP RES 0 0 0 050 OHM R414 0613952P25 CER CHIP RES 178K OHM 1 0402 R415 0613952N93 CER CHIP RES 90 9K OHM 1 0402 R416 0613952R01 CER CHIP RES 10K OHM 5 0402 R418 0613952R66 CER CHIP RES 0 0 0 050 OHM R419 0613952Q66 CER CHIP RES 510 OHM 5 0402 R420 0613952J73 CER CHIP RES 10 0M OHM 5 0603 R421 0613952Q80 CER CHIP RES 20...

Page 91: ...OHM 5 0402 R647 0613952Q84 CER CHIP RES 3000 OHM 5 0402 R648 0613952R25 CER CHIP RES 100K OHM 5 0402 R649 0613952R17 CER CHIP RES 47K OHM 5 0402 R721 NOTPLACED R722 NOTPLACED RT400 0680590Z01 THERMISTOR_33K TP401 NOTPLACED TP402 NOTPLACED TP405 NOTPLACED TP406 NOTPLACED TP410 NOTPLACED TP415 NOTPLACED U400 5115012H01 REGULATOR 3 3V LP2951CMM 3 3 U404 5115062H01 IC ASFIC_CMP Circuit Ref Motorola Pa...

Page 92: ...3 40 PCB and Scematic Diagrams Radios with Keypad and Display EPP THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 93: ...AP CER CHP 100 0PF 50V 5 C491 2113944A40 CAP CER CHP 100 0PF 50V 5 C492 2113944A40 CAP CER CHP 100 0PF 50V 5 C493 2113944A40 CAP CER CHP 100 0PF 50V 5 C494 2113944A40 CAP CER CHP 100 0PF 50V 5 Circuit Ref Motorola Part No Description C495 2113944A40 CAP CER CHP 100 0PF 50V 5 C496 2113944A40 CAP CER CHP 100 0PF 50V 5 C497 2113944A40 CAP CER CHP 100 0PF 50V 5 C498 2113946K02 CAP CER CHP 0 10UF 16V C...

Page 94: ...952R66 CER CHIP RES 0 0 0 050 OHM Circuit Ref Motorola Part No Description R414 0613952P25 CER CHIP RES 178K OHM 1 0402 R415 0613952N93 CER CHIP RES 90 9K OHM 1 0402 R416 0613952R01 CER CHIP RES 10K OHM 5 0402 R418 0613952R66 CER CHIP RES 0 0 0 050 OHM R419 0613952Q66 CER CHIP RES 510 OHM 5 0402 R420 0613952J73 CER CHIP RES 10 0M OHM 5 0603 R421 0613952Q80 CER CHIP RES 2000 OHM 5 0402 R423 0613952...

Page 95: ...00 0680590Z01 THERMISTOR_33K TP401 NOT PLACED TP402 NOT PLACED TP405 NOT PLACED TP406 NOT PLACED TP410 NOT PLACED TP415 NOT PLACED U400 5115012H01 IC ADJ LOW DROPOUT SM POS P U404 5115062H01 IC CUST TQFP48 U405 NOT PLACED U406 5115034H01 IC FLASH 4 MBIT Circuit Ref Motorola Part No Description U407 5115033H01 IC EEPROM 16K X 8 SM U409 5185143E03 IC MICROP QFP QFP100 3 7MHZ U410 5115044H01 IC LOW D...

Page 96: ...3 44 PCB and Scematic Diagrams Radios with Keypad and Display EPP THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 97: ...09 470 pF 10 C724 2113743L09 470 pF 10 C726 2113743L09 470 pF 10 C727 2113743L09 470 pF 10 C728 2113743L09 470 pF 10 C729 2113743L09 470 pF 10 C730 2113743L09 470 pF 10 C731 2113743L09 470 pF 10 C751 2113743L09 470 pF 10 CR411 4802245J62 Diode Schottky CR412 4802245J62 Diode Schottky Circuit Ref Motorola Part No Description CR413 4802245J62 Diode Schottky CR440 4813833C02 Dual Diode Common Cath od...

Page 98: ...057N47 1 0 M 5 R618 0662057M74 1000 5 R619 0662057M74 1000 5 R620 0662057M74 1000 5 R621 0662057M74 1000 5 R622 0662057M74 1000 5 R623 0662057M74 1000 5 R632 0662057N23 100 k 5 R633 0662057N23 100 k 5 R646 0662057N23 100 k 5 R647 0662057M85 3000 5 R648 0662057N23 100 k 5 R649 0662057N15 47 k 5 R721 NOT PLACED R722 NOT PLACED RT400 0680590Z01 Thermistor 33k TP401 NOT PLACED TP402 NOT PLACED TP405 N...

Page 99: ... 5 C726 2113743N50 100 pF 5 C727 2113743N50 100 pF 5 C728 2113743N50 100 pF 5 C729 2113743N50 100 pF 5 C730 2113743N50 100 pF 5 C731 2113743N50 100 pF 5 C750 2113743N50 100 pF 5 CR411 4802245J62 Diode Schottky CR412 4802245J62 Diode Schottky CR413 4802245J62 Diode Schottky Circuit Ref Motorola Part No Description CR440 4813833C02 Dual Diode Common Cathode D601 4880479U01 LED D602 4880479U01 LED D6...

Page 100: ...62057M74 1000 5 R619 0662057M74 1000 5 R620 0662057M74 1000 5 R621 0662057M74 1000 5 R622 0662057M74 1000 5 R623 0662057M74 1000 5 R632 0662057N23 100 k 5 R633 0662057N23 100 k 5 R646 0662057N23 100 k 5 R647 0662057M85 3000 5 R648 0662057N23 100 k 5 R649 0662057N15 47 k 5 R721 NOT PLACED R722 NOT PLACED RT400 0680590Z01 Thermistor 33k TP401 NOT PLACED TP402 NOT PLACED TP405 NOT PLACED TP406 NOT PL...

Page 101: ...D604 D605 D606 4 3 Q6001 4 3 Q6002 4 3 Q6003 4 3 Q6004 4 3 Q6005 4 3 Q6006 4 3 Q6007 4 3 Q6008 4 3 Q6009 4 3 Q6010 4 3 Q6011 4 3 Q6012 4 3 Q6013 4 3 Q6014 4 3 Q6015 4 3 Q6016 4 3 Q6017 4 3 Q6018 R618 R619 R620 R621 R622 R623 R6001 2 S6001 2 S6002 2 S6003 2 S6004 2 S6005 2 S6006 2 S6007 2 S6008 2 S6009 2 S6010 2 S6011 2 S6012 2 S6013 2 S6014 2 S6015 2 S6016 2 S6017 2 S6018 TP401 TP402 TP405 TP406 T...

Page 102: ... E407 E408 E409 E634 E637 E638 E639 E640 E641 E642 E643 E644 E645 E701 E702 E703 E704 3 FL401 40 1 J400 20 1 g1 g2 J403 1 18 J702 L400 L401 L410 L411 Q400 Q403 4 3 Q405 4 3 Q410 Q416 4 3 Q417 Q601 Q602 Q603 R400 R406 R408 R409 R410 R411 R413 R414 R415 R416 R418 R419 R420 R421 R423 R424 R425 R426 R427 R428 R429 R431 R432 R434 R435 R436 R437 R447 R448 R450 R451 R452 R453 R454 R455 R456 R457 R460 R46...

Page 103: ...001 C6002 C6003 C6004 C6005 C6006 D601 D602 4 3 Q6001 4 3 Q6002 4 3 Q6003 4 3 Q6004 4 3 Q6005 4 3 Q6006 R620 R621 2 S6001 2 S6002 2 S6003 2 S6004 2 S6005 2 S6006 TP401 TP402 TP405 TP406 TP410 TP415 Controller Board Top View PCB No 8471679L01 ...

Page 104: ...07 E408 E409 E634 E637 E638 E639 E640 E641 E642 E643 E644 E645 E701 E702 E703 E704 3 FL401 40 1 J400 20 1 g1 g2 J403 1 18 J702 L400 L401 L410 L411 Q400 Q403 4 3 Q405 4 3 Q410 Q416 4 3 Q417 Q601 Q602 Q603 R400 R406 R408 R409 R410 R411 R413 R414 R415 R416 R418 R419 R420 R421 R423 R424 R425 R426 R427 R428 R429 R431 R432 R434 R435 R436 R437 R447 R448 R450 R451 R452 R453 R454 R455 R456 R457 R460 R461 R...

Page 105: ...OPT_SEL1 OPT_SEL2 T T P RAM_CS X S C D0 D1 D2 D3 D4 D5 D6 D7 A T A D S C _ E E R E M E 0 0 2 1 F FLASH_EN FLASH_OE O I S H A14 A15 A16 A17 A2 A3 A4 A5 A6 A7 A8 A9 N I _ A T A D _ T T A B BOOT_CTRL T C A H C K L C I S S R X R _ I C S X T _ I C S B W S B W S N U a d d V A0 A1 A10 A11 A12 A13 V 5 O I D U A A N E _ A P _ O I D U A L R T C _ T O O B C I M _ T X E L E S _ R K P S _ T X E D N S _ X R _ T...

Page 106: ...Q403 ERROR 5 FEEDBACK 7 D N G 4 INPUT 8 OUTPUT 1 SENSE 2 SHUTDOWN 3 VTAP 6 K2 K3 U400 LP2951ACMM 3 3 CR412 A1 A2 A3 K1 R413 0 0 1uF C421 100K R447 10uF C480 R452 100K 47K R400 1 2 3 CR440 R416 10K C416 1 0 1uF 0 1uF TP406 C411 10uF C403 C410 0 1uF C415 0 1uF 5 SI 2 SO 8 C C V 4 S S V 3 WP X25128 2 7 U407 1 CS 7 HOLD 6 SCK C409 0 1uF C422 0 1uF C402 C451 0 1uF 0 1uF 022uF C479 R451 15K R475 0 100K ...

Page 107: ... 67 PE1_AN1 66 PE2_AN2 65 PE3_AN3 64 PE4_AN4 63 PE5_AN5 62 PE6_AN6 PC5_DATA5 36 PC6_DATA6 37 PC7_DATA7 7 9 D X R _ 0 D P 8 9 D X T _ 1 D P 9 9 O S I M _ 2 D P 0 0 1 I S O M _ 3 D P 1 K C S _ 4 D P 8 4 1 R D D A _ 6 B P 7 5 1 R D D A _ 7 B P 4 1 8 R D D A _ O B P 30 PC0_DATA0 31 PC1_DATA1 32 PC2_DATA2 33 PC3_DATA3 34 PC4_DATA4 35 1 C O _ 3 C O _ 5 A P 1 C O _ 2 C O _ 6 A P 5 8 6 8 1 C O _ 1 A P _ 7...

Page 108: ...LASH_OE R428 2 2 6V 2311049A59 C424 10uF 0 1uF C429 R478 10K Vddd A10 A0 A1 A11 A13 A3 A5 A7 A9 A8 A6 A4 A2 A17 A16 A15 A14 A12 R_W RAM_CS NU 0 R492 R408 100K XA18 FLASH_EN 5102463J59 AT49HLV010 U406 VCC 8 EN_CE 30 EN_OE 32 EN_WE 7 20 FLASH ROM D7 29 A9 2 D0 21 D1 22 D2 23 D3 25 D4 26 D5 27 D6 28 A2 18 A3 17 A4 16 A5 15 A6 14 A7 13 A8 3 A10 31 1 A0 A1 19 9 A18 A11 A12 12 A13 4 A14 5 A15 11 A16 10 ...

Page 109: ...NC2 9 NC3 12 NC4 19 NC5 OUT1NEG 18 OUT1POS 3 OUT2NEG 13 OUT2POS 1 D N G 1 2 D N G 0 1 IN1NEG 17 IN1POS 16 IN2NEG 14 IN2POS 15 MODE 4 2 U420 TDA8547 C497 470pF J403 2 10uF C476 470pF C490 J403 19 J403 16 J403 10 390nH L400 R471 20K 36K R424 R431 470K VR447 10V J403 9 0 R436 10 R473 VR432 10K R498 5 6V R450 68 R472 6 2K J403 14 390nH L401 C491 470pF J403 18 VR450 10V C496 J403 13 470pF 0 1uF C448 0 ...

Page 110: ...pF C6003 C6002 100pF 100pF C6001 J702 9 J702 11 2 0 7 E 1 7 4 M H 5 0 0 1 K B E408 J702 12 22K R604 R632 100K 3 E404 7 0 0 6 Q 2 6 4 1 J702 3 R612 560K 9 3 6 E 1 7 4 M H 5 0 0 1 K B NPN Q602 R601 NPN 51K R621 Q603 1K 43K R605 1 0 7 E 0 4 6 E 1 7 4 M H 5 0 0 1 K B 1 7 4 M H 5 0 0 1 K B 7 3 6 E 1 7 4 M H 5 0 0 1 K B 8 3 6 E 1 7 4 M H 5 0 0 1 K B R606 E407 130K R633 100K 1 4 6 E 1 7 4 M H 5 0 0 1 K B...

Page 111: ...pF C6003 C6002 100pF 100pF C6001 J702 9 J702 11 2 0 7 E 1 7 4 M H 5 0 0 1 K B E408 J702 12 22K R604 R632 100K 3 E404 7 0 0 6 Q 2 6 4 1 J702 3 R612 560K 9 3 6 E 1 7 4 M H 5 0 0 1 K B NPN Q602 R601 NPN 51K R621 Q603 1K 43K R605 1 0 7 E 0 4 6 E 1 7 4 M H 5 0 0 1 K B 1 7 4 M H 5 0 0 1 K B 7 3 6 E 1 7 4 M H 5 0 0 1 K B 8 3 6 E 1 7 4 M H 5 0 0 1 K B R606 E407 130K R633 100K 1 4 6 E 1 7 4 M H 5 0 0 1 K B...

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Page 113: ...CAP CER CHP 10 0UF 10V C481 2113946B04 CAP CER CHP 0 10UF 10V 10 C490 2113945A05 CAP CER CHP 470PF 50V 10 C491 2113945A05 CAP CER CHP 470PF 50V 10 C492 2113945A05 CAP CER CHP 470PF 50V 10 Circuit Ref Motorola Part No Description C493 2113945A05 CAP CER CHP 470PF 50V 10 C494 2113945A05 CAP CER CHP 470PF 50V 10 C495 2113945A05 CAP CER CHP 470PF 50V 10 C496 2113945A05 CAP CER CHP 470PF 50V 10 C497 21...

Page 114: ...TRANSISTOR Q410 4815066H01 UMG5N DIGITAL TRANSISTOR Q416 4815069H02 TSTR MOSFET P CHAN Q417 4815055H01 TSTR DUAL NPN PNP UMH 5 Circuit Ref Motorola Part No Description Q6001 4815066H01 UMG5N DIGITAL TRANSISTOR Q6002 4815066H01 UMG5N DIGITAL TRANSISTOR Q6003 4815066H01 UMG5N DIGITAL TRANSISTOR Q6004 4815066H01 UMG5N DIGITAL TRANSISTOR Q6005 4815066H01 UMG5N DIGITAL TRANSISTOR Q6006 4815066H01 UMG5N...

Page 115: ...0613952Q73 CER CHIP RES 1000 OHM 5 0402 R632 0613952R25 CER CHIP RES 100K OHM 5 0402 R633 0613952R25 CER CHIP RES 100K OHM 5 0402 R646 0613952R25 CER CHIP RES 100K OHM 5 0402 R647 0613952Q84 CER CHIP RES 3000 OHM 5 0402 R648 0613952R25 CER CHIP RES 100K OHM 5 0402 R649 0613952R17 CER CHIP RES 47K OHM 5 0402 Circuit Ref Motorola Part No Description R721 NOTPLACED GCAM DUMMY PART NUMBER R722 NOTPLAC...

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Page 117: ...0 10UF 16V C480 2113946R01 CAP CER CHP 10 0UF 10V C481 2113946B04 CAP CER CHP 0 10UF 10V 10 C490 2113944A40 CAP CER CHP 100 0PF 50V 5 C491 2113944A40 CAP CER CHP 100 0PF 50V 5 Circuit Ref Motorola Part No Description C492 2113944A40 CAP CER CHP 100 0PF 50V 5 C493 2113944A40 CAP CER CHP 100 0PF 50V 5 C494 2113944A40 CAP CER CHP 100 0PF 50V 5 C495 2113944A40 CAP CER CHP 100 0PF 50V 5 C496 2113944A40...

Page 118: ...SS PNP TO 236 SO Q405 4815066H01 UMG5N DIGITAL TRANSISTOR Q410 4815066H01 UMG5N DIGITAL TRANSISTOR Q416 4815069H02 TSTR MOSFET P CHAN Circuit Ref Motorola Part No Description Q417 4815055H01 TSTR DUAL NPN PNP UMH 5 Q6001 4815066H01 UMG5N DIGITAL TRANSISTOR Q6002 4815066H01 UMG5N DIGITAL TRANSISTOR Q6003 4815066H01 UMG5N DIGITAL TRANSISTOR Q6004 4815066H01 UMG5N DIGITAL TRANSISTOR Q6005 4815066H01 ...

Page 119: ...HIP RES 1000 OHM 5 0402 R632 0613952R25 CER CHIP RES 100K OHM 5 0402 R633 0613952R25 CER CHIP RES 100K OHM 5 0402 R646 0613952R25 CER CHIP RES 100K OHM 5 0402 R647 0613952Q84 CER CHIP RES 3000 OHM 5 0402 R648 0613952R25 CER CHIP RES 100K OHM 5 0402 Circuit Ref Motorola Part No Description R649 0613952R17 CER CHIP RES 47K OHM 5 0402 R721 NOTPLACED GCAM DUMMY PART NUMBER R722 NOTPLACED GCAM DUMMY PA...

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Page 121: ...706 C708 C710 C711 C714 C715 C720 C723 C726 C729 C702 C703 C705 C707 C709 C712 C717 C719 C724 C408 C409 C410 C411 C414 C422 C430 C451 C479 R421 R425 R436 R445 R471 R475 C416 C419 C420 C421 C444 R400 R413 R434 R435 VR445 VR446 VR447 VR448 VR449 VR450 VR432 VR433 C716 C718 C721 C722 C725 C727 C728 L400 C441 C443 C445 C471 C472 C473 C490 C491 C492 C493 C494 C495 C496 C497 L401 R477 TP401 TP402 TP405 ...

Page 122: ...4 32 17 16 1 U406 1 76 51 26 U409 C440 R498 R499 11 1 20 10 U420 1 37 25 13 U404 C480 L410 L411 C415 C424 C442 C475 C476 C452 4 3 Q410 1 4 5 8 U407 Q403 CR440 CR412 4 3 Q405 CR413 RT400 4 3 Q417 C403 Q400 4 5 8 U400 40 1 J400 22 20 J403 1 21 SH400 Controller Board Bottom View PCB No 8404051G07 G08 ...

Page 123: ...5 C706 C707 C708 C709 C710 C711 C712 C713 C714 C715 C716 C717 C718 C719 C720 C721 C722 C723 C724 C725 C726 C727 C728 C729 C730 L400 L401 R400 R406 R408 R409 R410 R411 R413 R414 R415 R416 R418 R421 R423 R424 R425 R427 R428 R429 R431 R432 R434 R435 R436 R437 R445 R447 R448 R449 R450 R451 R452 R453 R454 R455 R456 R457 R460 R463 R471 R472 R473 R475 R476 R477 R478 R481 R492 R701 R702 TP401 TP402 TP405 ...

Page 124: ...42 C452 C475 C476 C480 C731 C732 C733 C734 CR412 CR413 CR440 40 1 J400 22 20 1 21 J403 L410 L411 Q400 Q403 4 3 Q405 4 3 Q410 4 3 Q417 R498 R499 RT400 SH400 4 5 8 U400 1 37 25 13 U404 32 17 16 1 U406 1 4 5 8 U407 1 76 51 26 U409 11 1 20 10 U420 Controller Board Bottom View PCB No 8404051G09 ...

Page 125: ...SET R_W Vddd XA18 A12 A13 A14 A15 A16 A17 A2 A3 A4 A5 A6 A7 A8 A9 D0 D1 A0 A1 A10 A11 N U N U LVZIF_SEL VS_CS Vddd XA18 RAM_CS R_W FLASH_EN FLASH_OE LCD_SEL LVZIF_SEL D0 D1 D2 D3 D4 D5 D6 D7 A10 A11 A12 A13 A14 A15 A16 A17 A2 A3 A4 A5 A6 A7 A8 A9 A0 A1 SCI_TX VOL VS_RAC OPT_SEL1 OPT_SEL2 RDY RSSI RTA0 RTA1 RTA2 RTA3 SB1 SB2 SB3 SCI_RX KEYPAD_COL KEYPAD_ROW LI_ION MECH_SWB OFF_BATT_DATA_OUT OPT_ENA...

Page 126: ...da 470pF C408 C409 0 1uF TP410 1 INT_MIC EXT_MIC 16 8MHz RED_LED NU C419 SYN F1200 0 1uF C416 3 3V Vdda 0 1uF C422 C421 0 1uF C420 01uF 0 47K R400 R413 5V DATA CLK CSX CHACT SQ_DET LSIO HSIO EXT_SPKR_SEL AUDIO_PA_ENA GREEN_LED EEPROM 8K x 8 EEPROM 10K R429 8 VCC 4 VSS 3 WP X25650 2 7 U407 1 CS 7 HOLD 6 SCK 5 SI 2 SO 0 1uF C428 C427 470pF EE_CS MISO Vddd 0 1uF C401 1 TP406 SWB 01uF C400 ERROR 5 FEE...

Page 127: ...9 96 58 57 RESET RTA1 VOL RSSI VOX OPT_SEL1 EMER LOCK PTT R_W RTA0 RTA2 RTA3 SB1 SB2 SB3 OFF_BATT_DATA_OUT XFC XTAL VDDR VDDSYN VRH VRL VDD VDDL PD2_MISO PD3_MOSI PD4_SCK PD5_SS PD6_LVIN PD0_RXD PD1_TXD PA2_IC1 PA3_IC4_OC5_OC1 PA4_OC4_OC1 PA5_OC3_OC1 PA6_OC2_OC1 PA7_PA1_OC1 EXTAL LVOUT PA0_IC3 PA1_IC2 AVDD N U 91 39 88 92 69 68 93 12 98 99 100 1 2 3 97 80 81 82 83 84 85 86 90 95 79 59 D4 D5 D6 D7 ...

Page 128: ... 15 A6 14 A7 13 A1 19 A10 31 A11 1 A12 12 A13 4 A14 5 A15 11 A16 10 AT49HLV010 U406 A0 20 FLASH_EN 6V 2311049A59 C424 10uF R702 0 R478 10K 2 2 R428 0 1uF C429 Vddd NU R408 0 R492 100K R410 XA18 FLASH_OE CY62256VLL Static RAM Used for Trunking only 16 D6 17 D7 18 D8 19 OE 22 VDD 28 VSS 14 WE 27 3 A8 25 A9 24 CS 20 D1 11 D2 12 D3 13 D4 15 D5 2 A13 26 A14 1 A2 8 A3 7 A4 6 A5 5 A6 4 A7 U405 A0 10 A1 9...

Page 129: ... INT_MIC FLAT_RX_SND BOOT_CTRL SCI_RX SCI_TX RSSI MMQA5V6T1 4805656W08 VR432 5 6V 1W 68 R450 C471 470pF 470pF C473 470pF C472 OPT_SEL2 SWB OPT_SEL1 MMBZ5240B 4880140L15 x 5pcs 10V VR447 10V VR449 10V VR445 VR446 10V VR448 10V 0909059E04 20 PIN CONN J403 4880140L15 MMBZ5240B 470pF C495 10V VR450 C496 470pF C494 470pF 470pF C497 4805656W08 MMQA5V6T1 VR433 5 6V 470pF C490 C492 470pF C493 470pF 470pF ...

Page 130: ...3 78 PCB and Schematic Diagrams Radios without Keypad and Display THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 131: ...5 NOT PLACED C726 2113743L09 470 pF 10 C727 2113743L09 470 pF 10 C728 2113743L09 470 pF 10 C729 2113743L09 470 pF 10 C730 2113743L09 470 pF 10 C731 2113743L09 470 pF 10 C732 NOT PLACED C733 NOT PLACED C734 NOT PLACED CR412 4802245J62 Diode Schottky CR413 4802245J62 Diode Schottky CR440 4813833C02 Dual Diode Common Cath ode J400 0902042P03 40 Pins Connector J403 0909059E04 20 Pins Connector L400 24...

Page 132: ...3 80 PCB and Schematic Diagrams Radios without Keypad and Display THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 133: ...ED C726 2113743N50 100 pF 5 C727 2113743N50 100 pF 5 C728 2113743N50 100 pF 5 C729 2113743N50 100 pF 5 C730 2113743N50 100 pF 5 C731 NOT PLACED C732 2113743N50 100 pF 5 C733 NOT PLACED C734 NOT PLACED CR412 4802245J62 Diode Schottky CR413 4802245J62 Diode Schottky CR440 4813833C02 Dual Diode Common Cathode J400 0902042P03 40 Pins Connector J403 0909059E04 20 Pins Connector L400 2462587Q42 390 nH 1...

Page 134: ...3 82 PCB and Schematic Diagrams Radios without Keypad and Display THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 135: ... C494 C495 C496 C497 C498 C701 C702 C703 C704 C705 C706 C707 C708 C709 C710 C711 C712 C713 C714 C715 C716 C717 C718 C719 C720 C721 C722 C723 C724 C725 C726 C727 C728 C729 C730 L400 L401 R400 R406 R408 R409 R410 R411 R413 R414 R415 R416 R418 R421 R423 R424 R425 R427 R428 R429 R431 R432 R434 R435 R436 R437 R445 R447 R448 R449 R450 R451 R452 R453 R454 R455 R456 R457 R460 R463 R471 R472 R473 R475 R476...

Page 136: ...2 C452 C475 C476 C480 C499 C731 C732 C733 C734 CR412 CR413 CR440 40 1 J400 22 20 1 21 J403 L410 L411 Q400 Q403 4 3 Q405 4 3 Q410 4 3 Q417 R498 R499 RT400 SH400 4 5 8 U400 1 37 25 13 U404 32 17 16 1 U406 1 4 5 8 U407 1 76 51 26 U409 11 1 20 10 U420 Controller Board Bottom View PCB No 8415885H01 ...

Page 137: ...PCB and Schematic Diagrams Radios without Keypad and Display EPP 3 85 Complete Controller Schematic Diagram 8415885H01 ...

Page 138: ...3 86 PCB and Schematic Diagrams Radios without Keypad and Display EPP Controller ASFIC ON_OFF Schematic Diagram 8415885H01 ...

Page 139: ...PCB and Schematic Diagrams Radios without Keypad and Display EPP 3 87 Controller Micro Processor Schematic Diagram 8415885H01 ...

Page 140: ...3 88 PCB and Schematic Diagrams Radios without Keypad and Display EPP Controller Memory Schematic Diagram 8415885H01 ...

Page 141: ...PCB and Schematic Diagrams Radios without Keypad and Display EPP 3 89 6 2K 82K Controller Audio Power Amplifier Schematic Diagram 8415885H01 ...

Page 142: ...3 90 PCB and Schematic Diagrams Radios without Keypad and Display EPP THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 143: ...F 50V 10 C495 2113945A05 CAP CER CHP 470PF 50V 10 C496 2113945A05 CAP CER CHP 470PF 50V 10 C497 2113945A05 CAP CER CHP 470PF 50V 10 C498 2113946K02 CAP CER CHP 0 10UF 16V C499 2113946K02 CAP CER CHP 0 10UF 16V Circuit Ref Motorola Part No Description C701 2113945A05 CAP CER CHP 470PF 50V 10 C702 2113945A05 CAP CER CHP 470PF 50V 10 C703 2113945A05 CAP CER CHP 470PF 50V 10 C704 2113945A05 CAP CER CH...

Page 144: ...0613952Q89 CER CHIP RES 4700 OHM 5 0402 R463 0613952Q60 CER CHIP RES 300 OHM 5 0402 Circuit Ref Motorola Part No Description R471 0613952R08 CER CHIP RES 20K OHM 5 0402 R472 0613952Q92 CER CHIP RES 6200 OHM 5 0402 R473 0613952Q25 CER CHIP RES 10 0 OHM 5 0402 R475 0613952R66 CER CHIP RES 0 0 0 050 OHM R476 0613952R10 CER CHIP RES 24K OHM 5 0402 R477 0613952Q73 CER CHIP RES 1000 OHM 5 0402 R478 0613...

Page 145: ...ER CHP 100 0PF 50V 5 C494 2113944A40 CAP CER CHP 100 0PF 50V 5 C495 2113944A40 CAP CER CHP 100 0PF 50V 5 C496 2113944A40 CAP CER CHP 100 0PF 50V 5 Circuit Ref Motorola Part No Description C497 2113944A40 CAP CER CHP 100 0PF 50V 5 C498 2113946K02 CAP CER CHP 0 10UF 16V C499 2113946K02 CAP CER CHP 0 10UF 16V C701 2113944A40 CAP CER CHP 100 0PF 50V 5 C702 2113944A40 CAP CER CHP 100 0PF 50V 5 C703 211...

Page 146: ...ription R471 0613952R08 CER CHIP RES 20K OHM 5 0402 R472 0613952R14 CER CHIP RES 36K OHM 5 0402 R473 0613952Q25 CER CHIP RES 10 0 OHM 5 0402 R475 0613952R66 CER CHIP RES 0 0 0 050 OHM R476 0613952R10 CER CHIP RES 24K OHM 5 0402 R477 0613952Q73 CER CHIP RES 1000 OHM 5 0402 R478 0613952R01 CER CHIP RES 10K OHM 5 0402 R479 0613952Q66 CER CHIP RES 510 OHM 5 0402 R481 0613952R10 CER CHIP RES 24K OHM 5 ...

Page 147: ...Compact Professional Portable Radios VHF 136 174MHz Service Information Issue July 2007 ...

Page 148: ...he copyrighted computer program Accordingly any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola Furthermore the purchase of Motorola products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the cop...

Page 149: ...ubleshooting Chart for Receiver Sheet 1 of 2 2 2 Troubleshooting Chart for Receiver Sheet 2 of 2 2 3 Troubleshooting Chart for Reciever PCB8415533H02 Sheet 1 of 2 2 4 Troubleshooting Chart for Reciever PCB8415533H02 Sheet 1 of 3 2 5 Troubleshooting Chart for VCO 2 6 Troubleshooting Chart for Synthesizer 2 7 Troubleshooting Chart for Transmitter 2 8 Troubleshooting Chart for Controller 2 9 Chapter ...

Page 150: ...iv ...

Page 151: ...efer to Figure 2 1 The VHF transmitter contains five basic circuits 1 Power Amplifier 2 Antenna Switch 3 Harmonic Filter 4 Antenna Matching Network 5 Power Control Integrated Circuit PCIC 2 1 1 Power Amplifier The power amplifier consists of two devices 1 9Z67 LDMOS driver IC U3501 and 2 PRF1507 LDMOS PA Q3501 Figure 1 1 Transmitter Block Diagram PCIC Antenna PA Driver Vcontrol Vcontrol From VCO J...

Page 152: ...off and hence there exists a low attenuation path between the antenna and receiver ports 2 1 3 Harmonic Filter The harmonic filter consists of C3532 to C3536 L3531 and L3532 This network forms a low pass filter to attenuate harmonic energy of the transmitter to specifications level The harmonic filter insertion loss should be less than 1 2dB 2 1 4 Antenna Matching Network A matching network which ...

Page 153: ...3551 and C3550 The signal is then applied to a varactor tuned bandpass filter The VHF bandpass filter comprises of L3301 L3303 C3301 to C3304 and D3301 The bandpass filter is tuned by applying a control voltage to the varactor diode D3301 in the filter The bandpass filter is electronically tuned by the DACRx from IC404 which is controlled by the microprocessor Depending on the carrier frequency th...

Page 154: ...o at pin 7 of U3220 Within U3220 the first IF 44 85 MHz signal mixes with the 44 395 MHz second local oscillator 2nd LO to produce the second IF signal at 455 kHz The 2nd LO signal frequency is determined by crystal Y3201 The second IF signal 455 kHz is then filtered by an external ceramic filter Y3205 before being amplified by the second IF amplifier within U3220 Again the signal is filtered by a...

Page 155: ... the radio Resistors R3304 and R3305 are voltage dividers designed to turn on Q3301 at certain RSSI levels In order to turn on Q3301 the voltage across R3305 must be greater or equal to the voltage across R3324 plus the base emitter voltage Vbe present at Q3301 Capacitor C3209 is used to dampen any instability while the AGC is turning on The current flowing into the collector of Q3301 a high curre...

Page 156: ...Rx will supply the tuned voltage to the varactor diodes in the filter Wideband operation of the filter is achieved by shifting the bandpass filter across the band The output of the bandpass filter is coupled to the RF amplifier transistor Q3302 via C3306 After being amplified by the RF amplifier the RF signal is further filtered by a second varactor tuned bandpass filter consisting of L3305 L3306 ...

Page 157: ... and U3220 The IF signal applied to pin 1 of U3220 is amplified down converted filtered and demodulated to produce the recovered audio at pin 7 of U3220 Within U3220 the first IF 44 85 MHz signal mixes with the 44 395 MHz second local oscillator 2nd LO to produce the second IF signal at 455 kHz The 2nd LO signal frequency is determined by crystal Y3201 The second IF signal 455 kHz is then filtered...

Page 158: ...oltage across R3305 must be greater or equal to the voltage across R3324 plus the base emitter voltage Vbe present at Q3301 Capacitor C3209 is used to dampen any instability while the AGC is turning on The current flowing into the collector of Q3301 a high current gain NPN transistor will be drawn through the PIN diode to turn it on Maximum current flowing through the PIN is limited by the resisto...

Page 159: ...he Fractional N and applied to the loop divider to provide the low port modulation The audio runs through an internal attenuator for modulation balancing purposes before going out to the VCO 5 1 Synthesizer The Fractional N Synthesizer uses a 16 8MHz crystal Y3761 to provide a reference for the system The LVFractN IC U3701 further divides this to 2 1MHz 2 225MHz and 2 4MHz as reference frequencies...

Page 160: ...CC DC5V XTAL1 XTAL2 WARP PREIN VCP REFERENCE OSCILLATOR VOLTAGE MULTIPLIER VOLTAGE CONTROLLED OSCILLATOR 2 POLE LOOP FILTER DATA U409 PIN 100 CLOCK U409 PIN 1 CSX U409 PIN 2 MOD IN U404 PIN 40 5V U3711 PIN 4 7 8 9 10 13 30 23 24 25 32 47 VMULT2 VMULT1 BIAS1 SFOUT AUX3 AUX4 IADAPT IOUT GND FREFOUT LOCK 4 19 6 22 23 24 43 45 3 2 28 14 15 40 FILTERED 5V STEERING LINE LOCK U409 PIN 56 PRESCALER IN LO ...

Page 161: ...OL VOLTAGE is received at the VCO This voltage is a DC voltage typically between 3 5V and 9 5V when the PLL is locked on frequency Figure 5 3 VCO Block Diagram Presc RX TX Matching Network Low Pass Filter Attenuator Pin8 Pin14 Pin10 3701 Pin28 VCC Buffers TX RF Injection U3701 Pin 32 AUX3 U3701 Pin2 Prescaler Out Pin 12 Pin 19 Pin 20 TX RX BS Switching Network U3801 VCOBIC Rx Active Bias Tx Active...

Page 162: ...n PTT is depressed 3 2 volts is applied to U3801 pin 19 This activates the transmit VCO by enabling the transmit oscillator and the transmit buffer of U3801 The RF signal at U3801 pin 10 is injected into the input of the PA module U3501 pin16 This RF signal is the TX RF INJECTION Also in transmit mode the audio signal to be frequency modulated onto the carrier is received through U3701 pin 41 When...

Page 163: ...lated detailed circuit descriptions in the theory of operation sections prior to troubleshooting a radio Most troubleshooting charts end up by pointing to an IC to replace It is not always noted but it is good practice to verify supplies and grounds to the affected IC and to trace continuity to the malfunctioning signal and related circuitry before replacing any IC For instance if a clock signal i...

Page 164: ... 45 1MHz Audio heard B Yes No Check 2nd LO Control Voltage at C3279 VCO locked B Yes 16 8 MHz check at pin 21 U3220 Activity on U3220 sel pin Check FGU No No A A Yes Check Q3270 bias circuitry for faults Rotate Freq Knob Check controller Before replacing U3220 check 2nd VCO Q3270 Check VCO O P level C3272 C3273 Yes No Figure 2 1 Troubleshooting Chart for Receiver Sheet 1 of 2 ...

Page 165: ...01 Are varactor voltages OK No Yes Check RF amp Q3302 Stage Check filter between C3313 T3301 Yes Check T3301 T3302 CR3301 R3321 R3322 R3323 Yes 1st LO O P OK Locked Yes Check FGU Yes Trace IF signal from C3200 to Q3200 Check for bad XTAL filter No Yes Beforereplacing U3220 check U3220 voltages trace IF signal path Yes Check for 2 9 VDC Is R5 present Check Q3721 U3701 pin 48 voltages and U247 No No...

Page 166: ...Hz into XTAL Filter Y3200 Audio heard B Yes No Check 2nd LO 44 395MHz at C3274 LO Present B Yes Voltages ok Biasing ok Check circuitry around U3220 Replace U3220 if defect No No A Yes Check Q3200 bias for faults Replace Q3200 Go to B Yes No Check voltages on U3220 Check circuitry around Y3202 Replace Y3202 if defect Figure 2 3 Troubleshooting Chart for Receiver PCB 8415533H02 Sheet 1 of 2 ...

Page 167: ...k filter between C3313 T3301 Yes Check T3301 T3302 CR3301 R3321 R3322 R3323 Yes 1st LO O P OK Locked Yes Check FGU Yes Trace IF signal from L3200 to Q3200 Check for bad XTAL filter No Yes Q3200 collector OK IF signal present Beforereplacing U3220 check U3220 volt ages trace IF signal path Yes Check for 2 9 VDC Is R5 present Check Q3721 U3701 pin 48 voltages and U247 No No No Check U404 voltage and...

Page 168: ...3 2V Pin 19 0V AUX 3 Low Change U3801 V ctrl 0V or 13V L3821 L3822 L3823 Open Circuit Change U3801 Change L3821 L3822 L3823 L243 Change U3701 Check for faulty parts or dry joints of L3812 C3806 R3806 R3802 L3801 A A No No Yes Yes Yes No No Yes Yes Yes No Yes No No Yes Yes No No Check R3811 L3811 for dry joint or faulty No Yes Figure 2 5 Troubleshooting Chart for Transmitter ...

Page 169: ...4 15 of U3701 Replace or resolder necessary components Is RF level at U3701 Pin 32 30 dBm Are C3721 C3722 C3723 R3721 R3722 R3723 OK Replace U3701 If R3727 C3726 C3727 are OK then see VCO troubleshooting chart Are Waveforms at Pins 14 15 triangular Do Pins 7 8 9 of U3701 toggle when channel is changed Check programming lines between U409 and U3701 Pins 7 8 9 Replace U3701 Check uP U409 Troubleshoo...

Page 170: ...s 2 Check Harmonic Filter Inspect Repair Tx Output Network Is Power OK Done Check Drive to Module Is Drive OK Troubleshoot VCO Inspect PA Network Check Power Out of U3501 at Cap C3512 Is Power OK Replace U3501 Is Power OK Replace Q3501 Done Done No Yes Yes No No Yes Low High No Yes Yes No Yes No Figure 2 7 Troubleshooting Chart for Voltage Control Oscillator ...

Page 171: ... 2 High Check PB504 Check Q502 2 voltage LED Q502 R501 OK Replace Faulty Component Check Accessories J403 OPT_SEL_1 OPT_SEL_2 Pin 8 9 low Radio could not PTT externally U409 Pin 52 6 low See FGU Troubleshooting chart LED should light up Check MCU PTT NO YES YES No No NO YES YES NO YES YES NO NO YES YES NO NO YES NO YES NO YES YES NO NO YES EXT SPKR EXT PTT INT AUDIO J403 Pin 9 low Pin 8 high ASFIC...

Page 172: ...2 10 TROUBLESHOOTING CHARTS THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 173: ... Reference Designators are assigned in the following manner 100 Series Transmitter 200 Series Frequency Generation 300 Series Receiver 400 500 Series Controller 600 Series Keypad Board 4 Interconnect Tie Point Legend UNSWB Unswitch Battery Voltage 7 5V SWB Switch Battery Voltage 7 5V R5 Receiver Five Volts CLK Clock Vdda Regulated 3 3 Volts for analog Vddd Regulated 3 3 Volts for digital CSX Chip ...

Page 174: ...2 VHF Controls and Switches Sht 2 of 2 8404055G05 G06 G07 VHF Controls and Switches Sht 2 of 2 8404055G09 VHF Receiver Front End VHF Receiver Back End VHF Synthesiser VHF VCO VHF Transmitter Page 3 9 Page 3 10 Page 3 11 Page 3 12 Page 3 13 Page 3 14 Page 3 15 Page 3 16 Parts List VHF Radio RF Board Page 3 17 PCB 8415533H02 Main Board Top Side 8415533H02 Main Board Bottom Side Page 3 21 Page 3 22 S...

Page 175: ...71021L01 VHF Receiver Front End VHF Receiver Back End VHF Synthesiser VHF VCO VHF Transmitter Page 3 39 Page 3 40 Page 3 41 Page 3 42 Page 3 43 Page 3 44 Page 3 45 Parts List VHF Radio RF Board Page 3 47 PCB 8486062B12 Main Board Top Side 8486062B12 Main Board Bottom Side Page 3 53 Page 3 54 SCHEMATICS VHF Controls and Switches VHF Receiver Front End VHF Receiver Back End VHF Synthesiser VHF VCO V...

Page 176: ...3 4 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 177: ...3311 R3312 R3313 R3316 SH3303 C3318 C3319 C3320 C3329 C3334 C3335 L3309 L3312 R3317 R3318 R3321 R3322 R3323 SH3302 6 4 3 T3301 6 4 3 T3302 TP3301 C3706 C3710 C3711 C3712 C3713 C3714 C3715 C3721 C3722 C3724 C3741 C3742 C3743 C3744 C3745 C3746 C3752 C3753 C3754 4 3 Q3721 R3701 R3721 R3722 R3723 R3741 R3751 R3752 SH3701 U3711 C3842 C3822 C3824 C3825 C3826 C3828 C3829 C3830 C3832 C3833 C3834 C3835 C38...

Page 178: ... R3760 R3761 C3735 CR501 L505 R3763 VR439 VR441 VR506 2 3 4 Y3762 3 2 1 B501 VR440 C503 C523 C3336 F501 C3701 C3702 C3703 C3704 C3705 C3707 C3708 C3709 C3725 C3726 C3727 C3731 C3732 C3733 C3734 C3755 C3761 C3762 D3701 D3702 L3701 L3731 R3702 R3703 R3704 R3705 R3726 R3727 R3762 SH3702 1 37 25 13 U3701 C3526 C3569 L3523 R3566 R3571 R3572 R3573 TP3502 C3508 C3509 C3515 C3516 C3560 C3561 C3562 C3563 C...

Page 179: ...2 C3307 C3330 C3331 C3338 C3310 C3314 C3319 C3312 C3306 C3309 C3308 C3327 C3329 C3311 C3313 C3332 C3318 CR3303 D3302 L3305 L3306 L3304 Q3302 R3310 R3321 R3311 R3317 R3313 R3308 R3309 R3312 R3316 R3322 R3323 T3301 3 4 6 C3320 C3334 C3335 L3309 L3312 R3318 SH3302 T3302 3 4 6 C3832 C3842 C3826 C3833 C3834 C3825 C3836 C3830 C3835 C3828 C3829 D3832 D3821 D3831 L3824 L3834 L3832 L3825 L3831 L3833 L3822 ...

Page 180: ...3 R3704 R3727 R3705 SH3702 13 25 37 1 U3701 C3806 C3813 C3821 C3823 C3803 C3815 C3802 C3810 C3811 C3812 C3818 C3827 C3801 C3805 C3808 C3804 C3809 C3816 L3826 L3801 L3811 L3812 L3816 L3809 L3813 Q3801 R3804 R3831 R3801 R3807 R3812 R3818 R3830 R3808 R3816 R3802 R3811 R3806 R3825 R3803 R3826 R3832 R3824 R3805 R3817 R3829 SH3802 U3801 10 20 1 11 4 C 8 C S501 2 C3325 C3326 C3315 C3339 C3316 CR3302 Q330...

Page 181: ...pF C545 C544 470pF C543 NU C541 C542 NU C540 NU NU C539 NU 470pF 470pF C552 C553 16 8MHz 5V DEMOD RSSI LVZIF_SEL RESET CLK CSX DACRx DATA DACRx_1_SW 5V_1_SW 16_8MHz_1_SW CLK_4_SW 16_8MHz_2_SW DATA_5_SW DATA_4_SW 5V_5_SW CSX_2_SW 5V_2_SW CLK_1_SW DATA_2_SW CSX_1_SW 5V_6_SW 5V_4_SW CLK_5_SW CLK_3_SW DACRX_2_SW DATA_1_SW CLK_2_SW 5V_3_SW DATA_3_SW DEMOD_2_SW RESET_1_SW LVZIF_SEL_1_SW DEMOD_1_SW RESET...

Page 182: ... 4 B2 SWI T CH 1 A1 3 A2 2 B1 SWITCH PB504 1000pF C523 1000pF 100pF 100pF C503 Q505 0 47uF C502 100pF 0 47uF 100pF C511 VR501 C513 6 8V6 8V 100pF 100pF R506 47K 2 4 3 47K L505 390nH 390nH 5 1 6 IMX1IM X 1 10V VR439 12V CR501 R502 180 180 01uF C522 01uF B503 1 A1 3 A2 2 B1 4 B2 2 1 SWITCH PB501 SWI T CH 24V F501 24V B504 C514 100pF C512 100pF 100pF 100pF R501 680 680 01uF C520 01u F 01uF Vdda UNSWB...

Page 183: ...47K DATA NEG POS B501 C505 100pF 6 8V VR506 R505 10K SWITCH A1 1 A2 3 B1 2 B2 4 24V F501 2 1 PB505 3 B1 2 B2 4 PB504 SWITCH A1 1 A2 C523 1000pF C503 100pF 2 4 3 390nH IMX1 5 1 6 L505 10V 12V VR439 CR501 R502 180 C522 B503 01uF A1 1 A2 3 B1 2 B2 4 PB501 SWITCH 2 4 1 3 B504 CR503 100pF 100pF C514 MECH_SWB EMER UNSWB 100pF C512 Vdda SB1 PTT SB2 RTA3 RTA2 RTA0 RTA1 VOL Vdda LI_ION BATT_CODE GREEN_LED ...

Page 184: ...0K C3321 330pF C3322 100pF DACRx 100pF C3323 RX_INJ_1_FE RX_INJ DUMMY D3301 100K R3304 NU C3326 33K R3307 470pF C3338 Q3301 1000pF C3325 220 R3324 NU R3301 68K R3305 C3327 330pF 2 2K R3306 SMBV1032 CR3302 NU RT3301 C3330 100pF 330pF C3329 C3331 100pF R3317 100K Stripline NU C3314 10pF C3315 150pF C3313 L3306 12nH C3316 3 3pF Stripline C3332 39pF 39pF C3317 C3339 10pF 022uF C3318 L3308 10nH 150nH L...

Page 185: ... 4 RSSI_OUT 16 TESTA 8 TESTD 32 VAG 25 VAG_REF MIX_IN 46 24 MLPD_CR 26 PHASE_LOCK 47 PREAMP_OUT 48 PRE_AGC 3 PRE_IN 1 RED_VCC 21 20 GND 10 GOLD_VCC 14 GOLD_VSS 41 GREEN_VCC 43 GREEN_VSS IOUT 15 LIM 31 MIX_BYP 42 19 CLK 18 13 COL DATA 17 28 DEMOD_HF 27 DEMOD_OUT 11 EMIT 6 EXTBS FREF C1M 40 C1P 34 C2M 39 C2P 35 C3M 38 C3P 36 C4M 37 C4P CEX 7 AFC 12 BASE 45 BLUE_VCC 44 BLUE_VSS 22 BROWN_VCC BRP_OFF 2...

Page 186: ...BPASS NC3 PREIN PVREF REFSEL MODIN NC1 NC2 BIAS2 CCOMP CEX DATA BIAS1 25 WARP 28 SFOUT 44 PD_GND 33 PRE_GND 45 IADAPT 16 INDMULT 43 IOUT LOCK 4 6 DGND 46 ADAPTSW 22 AGND 31 18 17 29 42 37 TEST1 38 TEST2 48 AUX1 1 AUX2 2 AUX3 3 AUX4 15 VMULT1 14 VMULT2 12 VMULT3 11 VMULT4 26 30 21 32 35 27 10 41 MODOUT 39 9 8 CLK 7 19 FREFOUT 40 mgc_comps U3701 VRO 13 23 XTAL1 24 XTAL2 47 VCP PD_VDD 5 34 PRE_VDD 36...

Page 187: ... 6 RX_IADJ 2 RX_OUT 8 50U54 U3801 COLL_RFIN 4 FLIP_IN 20 1000pF C3815 T5 R3832 12K T5_1_VCO NU R3830 R3834 47 220 R3833 1000pF C3832 TRB TRB_1_VCO R3829 0 C3833 4 7pF C3834 56pF L3831 56nH 47K R3835 PRESC L3816 100nH D3832 10K R3836 VSF PRESC_1_VCO 6 8pF C3816 R3816 1K TX_INJ_1_VCO TX_INJ 27pF C3809 L3809 27nH VSF SHIELD SH3802 1 SHIELD SH3801 1 56nH L3821 56pF C3824 15pF C3825 220 R3821 1000pF C3...

Page 188: ...nH RFIN 16 6 RFOUT1 RFOUT2 7 VCNTRL 1 VD1 14 VG1 2 VG2 3 4 GND1 5 GND2 12 GND3 13 GND4 NC1 8 NC2 9 NC3 10 NC4 15 U3501 09Z67 17 EP G2 11 L3519 BEAD 0 1 R3519 C3568 3300pF C3569 022uF 120 R3573 120 R3571 120 R3572 C3528 10pF 12V VR3501 10pF C3525 C3521 220pF 022uF C3526 C3523 120pF L3521 7 66nH 20pF C3524 C3527 NU 23 75nH L3522 D3521 1uH L3523 R3506 L3512 11 03nH C3512 47pF R3507 3 9 L3511 18nH 30p...

Page 189: ...8 2113743L09 470 pF 10 C3339 2113743N26 10 0 pF 5 C3501 2113743L05 330 pF 10 C3502 2113743N38 33 0 pF 5 Circuit Ref Motorola Part No Description C3503 2113743N38 33 0 pF 5 C3504 2113743M08 22000PF 80 20 C3505 2113743N38 33 0 pF 5 C3508 2113743M08 22000PF 80 20 C3509 2113743L05 330 pF 10 C3512 2113740F43 47 pF C3513 2113740F38 30 pF C3514 2113740F47 68 pF C3515 2113743L29 3300 pF 10 C3516 2311049A0...

Page 190: ...511 2462587N44 18 nH 5 L3512 2479990B01 11 03 nH L3513 2479990A02 7 66 nH L3515 2479990C03 13 85 nH L3518 NOT PLACED Circuit Ref Motorola Part No Description L3519 2484657R01 Inductor Bead Chip L3521 2479990A02 7 66 nH L3522 2479990E01 23 75 nH L3523 2462587N68 1000 nH 5 L3531 2479990N01 43 67 nH L3532 2479990N01 43 67 nH L3538 2479990M01 30 54 nH L3551 2479990N01 43 67 nH L3552 2479990A02 7 66 nH...

Page 191: ...3828 0662057M50 100 5 R3829 0662057M01 0 5 R3830 NOT PLACED R3831 0662057M98 10 k 5 R3832 0662057N01 12 k 5 R3833 0662057M58 220 5 R3834 0662057M42 47 5 R3835 0662057N15 47 k 5 R3836 0662057M98 10 k 5 R501 0662057M70 680 5 R502 0662057M56 180 5 R505 0662057M98 10 k 5 R506 0662057N15 47 k 5 R509 0662057M01 0 5 not used in GP344 GP644 RT3301 NOT PLACED S501 4080710Z01 Channel Switch S502 1880619Z02 ...

Page 192: ...3 20 VHF PCB Schematic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 193: ...42 4 3 2 CR503 CR3303 D3302 D3521 D3551 D3821 D3831 D3832 1 40 J200 L3200 L3203 L3304 L3305 L3306 L3309 L3312 L3501 L3503 L3504 L3511 L3512 L3513 L3515 L3518 L3521 L3522 L3531 L3532 L3538 L3551 L3552 L3821 L3822 L3823 L3824 L3825 L3831 L3832 L3833 L3834 2 3 4 PB501 2 3 4 PB502 2 3 4 PB504 2 3 4 PB505 Q502 Q505 Q3302 1 2 3 Q3501 4 3 Q3721 R501 R502 R505 R506 R3205 R3208 R3211 R3275 R3308 R3309 R331...

Page 194: ...3763 C3809 CR501 CR3201 CR3202 CR3203 CR3301 CR3302 D3301 D3522 D3701 D3702 D3761 F501 H3501 1 J3501 4 3 2 J3502 L505 L3701 L3202 L3270 L3523 L3826 L3301 L3303 L3308 L3519 L3731 L3801 L3811 L3812 L3816 L3809 L3813 Q3301 Q3200 Q3270 Q3801 Q3561 R3222 R3224 R3570 R3804 R3831 R3726 R3761 R509 R3215 R3271 R3277 R3282 R3283 R3566 R3702 R3817 R3818 R3829 R3830 R3200 R3201 R3202 R3203 R3207 R3213 R3561 R...

Page 195: ...VHF PCB and Schematic Diagrams EPP 3 23 VHF 136 174MHz Controls And Switches Schematic Diagram sht 1 of 2 8415533H02 ...

Page 196: ...3 24 VHF PCB and Schematic Diagrams EPP VHF 136 174MHz Controls And Switches Schematic Diagram sheet 2 of 2 8415533H02 ...

Page 197: ...VHF PCB and Schematic Diagrams EPP 3 25 VHF 136 174MHz Receiver Front End Schematic Diagram 8415533H02 ...

Page 198: ...3 26 VHF PCB and Schematic Diagrams EPP VHF 136 174MHz Receiver Back End Schematic Diagram 8415533H02 ...

Page 199: ...VHF PCB and Schematic Diagrams EPP 3 27 VHF 136 174MHz Synthesizer Schematic Diagram 8415533H02 ...

Page 200: ...3 28 VHF PCB and Schematic Diagrams EPP VHF 136 174MHz Voltage Controlled Oscillator Schematic Diagram 8415533H02 ...

Page 201: ...VHF PCB and Schematic Diagrams EPP 3 29 VHF 136 174MHz Transmitter Schematic Diagram 8415533H02 ...

Page 202: ...3 30 VHF PCB Schematic Diagrams and Radio Parts List RF Radio EPP THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 203: ...CAP FXD 30PF 5 5 50V DC 0402 C C3318 2113945B04 CAP FXD 022UF 10 10 25V DC 0402 C C3319 NOTPLACED C3320 2113944A38 CAP CER CHP 82 0PF 50V 5 C3321 2113945A03 CAP CER CHP 330PF 50V 10 Circuit Ref Motorola Part No Description C3322 2113944A40 CAP CER CHP 100 0PF 50V 5 C3323 2113944A40 CAP CER CHP 100 0PF 50V 5 C3324 2113944A31 CAP CER CHP 33 0PF 50V 5 C3325 2113945A09 CAP CER CHP 1000PF 50V 10 C3326 ...

Page 204: ... CER CHP 47 0PF 50V 5 C3762 2113944C04 CAP CER CHP 330 0PF 50V 5 C3763 NOTPLACED C3801 2113944A17 CAP CER CHP 4 7PF 50V 0 25PF C3802 NOTPLACED Circuit Ref Motorola Part No Description C3803 2113945A09 CAP CER CHP 1000PF 50V 10 C3804 2113945D04 CAP CER CHP 100 000PF 25V 10 C3805 2113944A17 CAP CER CHP 4 7PF 50V 0 25PF C3806 2113944A40 CAP CER CHP 100 0PF 50V 5 C3808 2113944A27 CAP CER CHP 15 0PF 50...

Page 205: ...1 2414032B44 IDCTR WW 18NH 5 1A 11 OHM CER Circuit Ref Motorola Part No Description L3512 2479990B01 AIR WOUND COIL GREEN COLOR 11 L3513 2479990A02 AIR WOUND COIL GREEN COLOR 7 6 L3515 2479990C03 AIR WOUND COIL GREEN COLOR 13 L3518 NOTPLACED L3519 2415954H01 INDUCTOR BEAD CHIP L3521 2479990A02 AIR WOUND COIL GREEN COLOR 7 6 L3522 2479990E01 COIL AIR WOUND GREEN COLOR 23 L3523 2414032B68 IDCTR WW 1...

Page 206: ... 0613952H15 CER CHIP RES 3 9 OHM 5 0603 R3507 0613952H15 CER CHIP RES 3 9 OHM 5 0603 R3512 NOTPLACED Circuit Ref Motorola Part No Description R3513 NOTPLACED R3519 0680539Z01 POWER METAL STRIP RESISTORS R3541 0613952R15 CER CHIP RES 39K OHM 5 0402 R3542 0613952Q91 CER CHIP RES 5600 OHM 5 0402 R3543 0613952Q49 CER CHIP RES 100 OHM 5 0402 R3544 0613952H49 CER CHIP RES 100 OHM 5 0603 R3545 0613952H49...

Page 207: ...LACEMENT SH3502 2615144H04 SHIELD FOR GSM PLACEMENT SH3701 2680511Z02 SHIELD SYNTHESIZER SH3702 2680511Z02 SHIELD SYNTHESIZER Circuit Ref Motorola Part No Description SH3801 2680513Z02 SHIELD VCO TOP SH3802 2680514Z02 SHIELD VCO BOTTOM LVZIF T3301 2515121H01 BALUN TRANSFORMER T3302 2515121H01 BALUN TRANSFORMER U3201 5115019H01 IC LOW DROPOUT SOT 23 SOT 23 U3220 5115281H01 FM IF IC SA616 FROM PHILI...

Page 208: ...3 36 VHF PCB Schematic Diagrams and Radio Parts List RF Radio EPP THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 209: ...3 2 CR503 CR3303 D3302 D3521 D3551 D3821 D3831 D3832 1 40 J200 L3200 L3203 L3304 L3305 L3306 L3309 L3312 L3501 L3503 L3504 L3511 L3512 L3513 L3515 L3518 L3521 L3522 L3531 L3532 L3551 L3552 L3821 L3822 L3823 L3824 L3825 L3831 L3832 L3833 L3834 2 3 4 PB501 2 3 4 PB502 2 3 4 PB504 2 3 4 PB505 Q502 Q505 Q3302 1 2 3 Q3501 4 3 Q3721 R501 R502 R505 R506 R3205 R3208 R3211 R3275 R3308 R3309 R3310 R3311 R33...

Page 210: ...C3823 C3827 CR501 CR3201 CR3202 CR3203 CR3301 CR3302 D3301 D3522 D3701 D3702 D3761 F501 H3501 L505 L3202 L3270 L3301 L3303 L3308 L3519 L3523 L3701 L3731 L3801 L3809 L3811 L3812 L3813 L3816 L3826 5 2 3 4 P3501 Q3200 Q3270 Q3301 Q3561 Q3801 R509 R3200 R3201 R3202 R3203 R3204 R3206 R3207 R3209 R3212 R3213 R3214 R3215 R3220 R3221 R3222 R3223 R3224 R3226 R3270 R3271 R3273 R3274 R3276 R3277 R3278 R3279 ...

Page 211: ...70pF C540 C543 470pF 0 R509 C553 470pF 470pF C525 SB2 C544 470pF 470pF C530 J200 29 470pF C529 470pF C541 C538 470pF 470pF VOL RSSI LOCK RESET DACRX C551 MECH_SWB SB1 RTA1 PTT C539 470pF 470pF C546 RTA3 J200 19 J200 8 EMER J200 22 J200 26 SWB Vdda J200 24 J200 25 J200 7 J200 2 RTA2 J200 9 SB3 16 8MHz J200 35 PTT J200 14 J200 15 MODIN C549 470pF C548 470pF C547 470pF SB1 SB2 SB3 LVZIF_SEL CSX SWB R...

Page 212: ... C511 100pF 100pF CR501 1 A1 3 A2 2 B1 4 B2 C512 100pF SWITCH PB502 100pF 0 47uF C502 B1 4 B2 0 47uF 4 B2 SWITCH PB501 1 A1 3 A2 2 SWITCH PB504 1 A1 3 A2 2 B1 390nH L505 C513 390nH 100pF 100pF NU 6 8V 6 8V VR440 C505 100pF 100pF 1000pF C523 1000pF VR501 6 8V6 8V 100pF C503 100pF 6 8V VR506 6 8V 01uF C520 01uF 5 1 6 NU 6 8V 6 8V VR441 CR503 2 4 1 3 B503 2 4 3 B504 2 1 PTT SB2 24V F501 24V RTA3 RTA2...

Page 213: ... C3334 20pF 20pF 33 0K RT3301 RX_INJ C3315 L3306 12nH 10pF 10pF 330pF 12nH 330pF C3308 R3323 0 330pF C3327 330pF 12nH L3301 R3315 12nH C3314 330 330 NU 6 8pF 15pF C3303 16pF C3312 15pF 16pF 470pF C3338 470pF 33K R3307 33K 22pF 22pF DACRx C3335 C3306 0 1uF 0 1uF 150pF C3311 RX_IN_1_FE 150pF R3309 7 5K 330pF 330pF C3329 0 1uF C3326 R3324 NU 220 220 R3318 470 470 10pF 10pF C3339 2 3 4 1 CR3301 022uF ...

Page 214: ...14 1 6K R355 100K R360 20K R345 39K R361 20K R378 R377 R344 51 R350 3 3K C358 C390 0 1uF C329 0 1uF C357 C343 0 1uF C345 0 1uF 1 Y301 45B02 455KHz 3 2 R315 1 2K 12K R364 1 8K R365 C350 0 1uF 4700pF R366 12K 680 C334 TC7W04F U302 1 1 7 R369 TC7W04F U302 2 6 2 0 1uF 5V Vdda N I F R 1 C E D _ N I F R 2 T U O I S S R 5 D E E F _ I S S R 9 VCC 6 C348 N I M I L 4 1 T U O M I L 1 1 1 C E D _ M I L 3 1 2 ...

Page 215: ...WB SWB_PLUS_1_FN 220pF C3746 DATA 220pF 5V CLK C3761 47pF 01uF VCO_MOD C3734 01uF TP3702 1 C3732 01uF C3741 01uF NU 56pF 56pF C3726 8 2pF 8 2pF 2 2uF 2 2uF 1000pF C3755 1000pF C3752 2 2uH T5 2 2uH L3731 C3727 100pF CSX 100pF 1 C3731 01uF 01uF XTAL2 24 SH3701 SHIELD SHIELD P C V 7 4 VMULT1 15 VMULT2 14 VMULT3 12 VMULT4 11 3 1 O R V WARP 25 XTAL1 23 REFSEL 18 SFBASE 27 SFCAP 26 SFIN 30 SFOUT 28 TEST...

Page 216: ...nH 100nH 100nH 100 100 L3816 1000pF R3802 C3842 1000pF D3821 C3834 56pF 56pF 100nH100nH L3801 C3815 1000pF 1000pF 22 Q3801 22 R3806 68pF C3830 68pF 100nH 100nH L3825 R3818 0 NU 0 0 T5 R3817 0 R3831 10K 10K 100nH 100nH 0 1uF PRESC L3811 C3804 0 1uF 56nH L3831 56nH 10K R3804 10K 1 TX_IADJ 10 TX_OUT 13 TX_SWITCH 4 1 S R E F F U B _ C C V 8 1 C I G O L _ C C V 6 RX_EMITTER 2 RX_IADJ 8 RX_OUT 7 RX_SWIT...

Page 217: ...8 UNSWB C3551 68pF 68pF C3515 3300pF 3300pF 330K R3564 330pF 330K 330pF C3501 120 120 R3572 D3551 L3521 7 66nH 1 2 3 7 66nH SHIELD SH3501 SHIELD 13 85nH 13 85nH L3515 C3503 33pF 3300pF UNSWB 33pF 3300pF C3562 7 5K 7 5K R3548 UNSWB 1 5pF C3527 1 5pF NU C3513 30pF 7 66nH 30pF 7 66nH L3513 68nH 68nH L3504 C3571 470pF 022uF 470pF C3541 022uF D3521 3300pF C3509 3300pF C3563 330pF 330pF 47pF C3512 100pF...

Page 218: ...3 46 VHF PCB Schematic Diagrams and Radio Parts List RF Board IP67 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 219: ...0 0PF 50V 5 C3314 NOTPLACED GCAM DUMMY PART NUMBER C3315 2113944A25 CAP CER CHP 10 0PF 50V 0 5 C3316 2113944A13 CAP CER CHP 3 3PF 50V 0 25 C3317 2113944A82 CAP FXD 30PF 5 5 50V DC 04 C3318 2113945B04 CAP FXD 022UF 10 10 25V D Circuit Ref Motorola Part No Description C3319 NOTPLACED GCAM DUMMY PART NUMBER C3320 2113944A38 CAP CER CHP 82 0PF 50V 5 C3321 2113945A03 CAP CER CHP 330PF 50V 10 C3322 2113...

Page 220: ...3752 2113945A09 CAP CER CHP 1000PF 50V 10 C3753 2313960B30 CAP FXD 4 7UF 10 10 10V DC Circuit Ref Motorola Part No Description C3754 2113946B04 CAP CER CHP 0 10UF 10V 10 C3755 2113946N03 CAP CER CHP 2 2UF 16V C3761 2113944A33 CAP CER CHP 47 0PF 50V 5 C3762 2113944C04 CAP CER CHP 330 0PF 50V 5 C3763 NOTPLACED GCAM DUMMY PART NUMBER C3801 2113944A17 CAP CER CHP 4 7PF 50V 0 25 C3802 NOTPLACED GCAM DU...

Page 221: ...otorola Part No Description L3305 2414032D35 IDCTR WW 12NH 5 1A 08 OHM CER L3306 2414032D35 IDCTR WW 12NH 5 1A 08 OHM CER L3308 2414032D34 IDCTR WW 10NH 5 1A 08 OHM CER L3309 2414032B55 IDCTR WW 150NH 5 800M A 7OHM L3312 2414032F28 IDCTR WW 33NH 5 500MA 27OHM L3501 2414017N09 IDCTR CHIP 5 6NH 600MA 2 OHM C L3503 2414032F32 IDCTR WW 68NH 5 500MA 38OHM L3504 2414032B51 IDCTR WW 68NH 5 1A 2O HM CER L...

Page 222: ...0613952Q39 CER CHIP RES 39 0 OHM 5 0402 R3314 0613952Q34 CER CHIP RES 24 0 OHM 5 0402 Circuit Ref Motorola Part No Description R3315 0613952Q61 CER CHIP RES 330 OHM 5 0402 R3316 0613952Q65 CER CHIP RES 470 OHM 5 0402 R3317 0613952R25 CER CHIP RES 100K OHM 5 0402 R3318 0613952Q65 CER CHIP RES 470 OHM 5 0402 R3319 NOTPLACED GCAM DUMMY PART NUMBER R3320 NOTPLACED GCAM DUMMY PART NUMBER R3321 0613952Q...

Page 223: ...13952R01 CER CHIP RES 10K OHM 5 0402 R506 0613952R17 CER CHIP RES 47K OHM 5 0402 R509 0613952R66 CER CHIP RES 0 0 0 050 OHM RT3301 NOTPLACED GCAM DUMMY PART NUMBER S501 4080710Z19 SWITCH FREQUENCY S502 1880619Z06 POTENTIOMETER VOLUME SH3202 2686539Z02 IF SECTION SHIELD SH3203 2615924H01 SHIELD CRYSTAL FILTER SH3301 2615144H01 SHIELD FOR GSM PLACEMENT SH3302 2615144H05 SHIELD FOR GSM PLACEMENT SH33...

Page 224: ...3 52 VHF PCB Schematic Diagrams and Radio Parts List RF Board IP67 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 225: ...10 R3311 R3312 R3313 R3316 SH3303 C3318 C3319 C3320 C3329 C3334 C3335 L3309 L3312 R3317 R3318 R3321 R3322 R3323 SH3302 6 4 3 T3301 6 4 3 T3302 TP3301 C3706 C3710 C3711 C3712 C3713 C3714 C3715 C3721 C3722 C3724 C3741 C3742 C3743 C3744 C3745 C3746 C3752 C3753 C3754 4 3 Q3721 R3701 R3721 R3722 R3723 R3741 R3751 R3752 SH3701 U3711 C3842 C3822 C3824 C3825 C3826 C3828 C3829 C3830 C3832 C3833 C3834 C3835...

Page 226: ... D3761 R3760 R3761 C3735 CR501 L505 R3763 VR439 VR441 VR506 2 3 4 Y3762 3 2 1 B501 VR440 C503 C523 C3336 F501 C3701 C3702 C3703 C3704 C3705 C3707 C3708 C3709 C3725 C3726 C3727 C3731 C3732 C3733 C3734 C3755 C3761 C3762 D3701 D3702 L3701 L3731 R3702 R3703 R3704 R3705 R3726 R3727 R3762 SH3702 1 37 25 13 U3701 C3526 C3569 L3523 R3566 R3571 R3572 R3573 TP3502 C3508 C3509 C3515 C3516 C3560 C3561 C3562 C...

Page 227: ...470pF C545 C544 470pF C543 NU C541 C542 NU C540 NU NU C539 NU 470pF 470pF C552 C553 16 8MHz 5V DEMOD RSSI LVZIF_SEL RESET CLK CSX DACRx DATA DACRx_1_SW 5V_1_SW 16_8MHz_1_SW CLK_4_SW 16_8MHz_2_SW DATA_5_SW DATA_4_SW 5V_5_SW CSX_2_SW 5V_2_SW CLK_1_SW DATA_2_SW CSX_1_SW 5V_6_SW 5V_4_SW CLK_5_SW CLK_3_SW DACRX_2_SW DATA_1_SW CLK_2_SW 5V_3_SW DATA_3_SW DEMOD_2_SW RESET_1_SW LVZIF_SEL_1_SW DEMOD_1_SW RE...

Page 228: ...3321 330pF C3322 100pF DACRx 100pF C3323 RX_INJ_1_FE RX_INJ DUMMY D3301 100K R3304 NU C3326 33K R3307 470pF C3338 Q3301 1000pF C3325 220 R3324 NU R3301 68K R3305 C3327 330pF 2 2K R3306 SMBV1032 CR3302 NU RT3301 C3330 100pF 330pF C3329 C3331 100pF R3317 100K Stripline NU C3314 10pF C3315 150pF C3313 L3306 12nH C3316 3 3pF Stripline C3332 39pF 39pF C3317 C3339 10pF 022uF C3318 L3308 10nH 150nH L3309...

Page 229: ...RSSI_OUT 16 TESTA 8 TESTD 32 VAG 25 VAG_REF MIX_IN 46 24 MLPD_CR 26 PHASE_LOCK 47 PREAMP_OUT 48 PRE_AGC 3 PRE_IN 1 RED_VCC 21 20 GND 10 GOLD_VCC 14 GOLD_VSS 41 GREEN_VCC 43 GREEN_VSS IOUT 15 LIM 31 MIX_BYP 42 19 CLK 18 13 COL DATA 17 28 DEMOD_HF 27 DEMOD_OUT 11 EMIT 6 EXTBS FREF C1M 40 C1P 34 C2M 39 C2P 35 C3M 38 C3P 36 C4M 37 C4P CEX 7 AFC 12 BASE 45 BLUE_VCC 44 BLUE_VSS 22 BROWN_VCC BRP_OFF 23 3...

Page 230: ...S NC3 PREIN PVREF REFSEL MODIN NC1 NC2 BIAS2 CCOMP CEX DATA BIAS1 25 WARP 28 SFOUT 44 PD_GND 33 PRE_GND 45 IADAPT 16 INDMULT 43 IOUT LOCK 4 6 DGND 46 ADAPTSW 22 AGND 31 18 17 29 42 37 TEST1 38 TEST2 48 AUX1 1 AUX2 2 AUX3 3 AUX4 15 VMULT1 14 VMULT2 12 VMULT3 11 VMULT4 26 30 21 32 35 27 10 41 MODOUT 39 9 8 CLK 7 19 FREFOUT 40 mgc_comps U3701 VRO 13 23 XTAL1 24 XTAL2 47 VCP PD_VDD 5 34 PRE_VDD 36 DVD...

Page 231: ...OUT 8 50U54 U3801 COLL_RFIN 4 FLIP_IN 20 1000pF C3815 T5 R3832 12K T5_1_VCO NU R3830 R3834 47 220 R3833 1000pF C3832 TRB TRB_1_VCO R3829 0 C3833 4 7pF C3834 56pF L3831 56nH 47K R3835 PRESC L3816 100nH D3832 10K R3836 VSF PRESC_1_VCO 6 8pF C3816 R3816 1K TX_INJ_1_VCO TX_INJ 27pF C3809 L3809 27nH VSF SHIELD SH3802 1 SHIELD SH3801 1 56nH L3821 56pF C3824 15pF C3825 220 R3821 1000pF C3822 47 R3822 4 7...

Page 232: ...FIN 16 6 RFOUT1 RFOUT2 7 VCNTRL 1 VD1 14 VG1 2 VG2 3 4 GND1 5 GND2 12 GND3 13 GND4 NC1 8 NC2 9 NC3 10 NC4 15 U3501 09Z67 17 EP G2 11 L3519 BEAD 0 1 R3519 C3568 3300pF C3569 022uF 120 R3573 120 R3571 120 R3572 C3528 10pF 12V VR3501 10pF C3525 C3521 220pF 022uF C3526 C3523 120pF L3521 7 66nH 20pF C3524 C3527 NU 23 75nH L3522 D3521 1uH L3523 R3506 L3512 11 03nH C3512 47pF R3507 3 9 L3511 18nH 30pF C3...

Page 233: ...pF C3519 2113740F35 22pF C3521 2111078B51 220pF Circuit Ref Motorola Part No Description C3523 2111078B44 120pF C3524 2113740F33 18pF C3525 2113740F27 10pF C3526 2113743M08 0 022uF C3528 2113740F26 9 1pF C3531 2113740F34 20pF C3532 2113740F47 68pF C3533 2113740F24 7 5pF C3534 2113740F19 4 7pF C3535 2113740F37 27pF C3536 2113740F31 15pf C3537 2113740F33 18pF C3539 2113740F21 5 6pF C3541 2113743M08 ...

Page 234: ...0 pF 10 C716 2113743L09 470 pF 10 Circuit Ref Motorola Part No Description C717 2113743L09 470 pF 10 C718 2113743L09 470 pF 10 C721 2113743L09 470 pF 10 C722 2113743L09 470 pF 10 C723 2113743L09 470 pF 10 C724 2113743L09 470 pF 10 C726 2113743L09 470 pF 10 C727 2113743L09 470 pF 10 C728 2113743L09 470 pF 10 C729 2113743L09 470 pF 10 C730 2113743L09 470 pF 10 C731 2113743L09 470 pF 10 CR3301 480224...

Page 235: ...34 22 R3808 0662057M26 10 Circuit Ref Motorola Part No Description R3811 0662057M50 100 R3816 0662057M74 1K R3817 0662057M01 0 R3821 0662057M58 220 R3822 0662057M42 47 R3823 0662057N11 33K R3824 0662057N07 22K R3825 0662057M38 33 R3826 0662057M32 18 R3828 0662057M50 100 R3829 0662057M01 0 R3831 0662057M98 10K R3832 0662057N01 12K R3833 0662057M58 220 R3834 0662057M42 47 R3835 0662057N15 47K R3836 ...

Page 236: ...80140L15 10V ZENER VR446 4880140L15 10V ZENER VR447 4880140L15 10V ZENER VR448 4880140L15 10V ZENER VR449 4880140L15 10V ZENER VR450 4880140L15 10V ZENER VR501 4813830A18 6 8V Zener VR506 4802245J73 6 8 Zener Y3200 9186153B01 XTAL Y3761 4805875Z04 XTAL 16 8MHz Circuit Ref Motorola Part No Description ...

Page 237: ...Compact Professional Portable Radios UHF1 403 470MHz Narrow Band 450 470MHz Service Information Issue July 2007 ...

Page 238: ...he copyrighted computer program Accordingly any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola Furthermore the purchase of Motorola products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the cop...

Page 239: ... for Receiver Sheet 2 of 2 2 3 Troubleshooting Chart for Transmitter 2 4 Troubleshooting Chart for Synthesizer 2 5 Troubleshooting Chart for VCO 2 6 Troubleshooting Chart for Controller 2 7 Chapter 3 UHF PCB SCHEMATICS AND PARTS LISTS 1 0 Notes For All Schematics and Circuit Boards 3 1 2 0 Allocation of Schematics and Circuit Boards 3 2 2 1 UHF1 403 470MHz 3 2 2 2 UHF Narrow Band 450 470 MHz 3 4 3...

Page 240: ...iv THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 241: ...Refer to Figure 1 1 The UHF transmitter contains five basic circuits 1 Power Amplifier 2 Antenna Switch 3 Harmonic Filter 4 Antenna Matching Network 5 Power Control Integrated Circuit PCIC 2 1 1 Power Amplifier The power amplifier consists of two devices 1 9Z67 LDMOS driver IC U101 and 2 PRF1507 LDMOS PA Q110 Figure 1 1 Transmitter Block Diagram PCIC Antenna PA Driver Vcontrol Vcontrol From VCO Ja...

Page 242: ... has been optimized for efficiency of the power module This type of filter has the advantage that it can give a greater attenuation in the stop band for a given ripple level The harmonic filter insertion loss is typically less than 1 2dB 2 1 4 Antenna Matching Network A matching network which is made up of L116 is used to match the antenna s impedance to the harmonic filter This will optimize the ...

Page 243: ...eiver is shown in Figure 2 2 and 2 3 Figure 1 2 UHF Receiver Block Diagram Demodulator Synthesizer Crystal Filter Mixer Varactor Tuned Filter RF Amp Varactor Tuned Filter Pin Diode Antenna Switch RF Jack Antenna AGC Control Voltage from ASFIC First LO from FGU Recovered Audio Squelch RSSI IF IC SPI Bus 16 8 MHz Reference Clock Second LO VCO IF Amp U301 ...

Page 244: ...ng the bandpass filter across the band The output of the bandpass filter is coupled to the RF amplifier transistor Q301 via C307 After being amplified by the RF amplifier the RF signal is further filtered by a second varactor tuned bandpass filter consisting of L306 L307 C313 C317 CR304 and CR305 Both the pre and post RF amplifier varactor tuned filters have similar responses The 3 dB bandwidth of...

Page 245: ... uses a type of direct conversion process whereby the externally generated second LO frequency is divided by two in U301 so that it is very close to the first IF frequency The IF IC U301 synthesizes the second LO and phase locks the VCO to track the first IF frequency The second LO is designed to oscillate at twice the first IF frequency because of the divide by two function in the IF IC In the ab...

Page 246: ... for switching here Maximum current flowing through the PIN is mainly limited by the resistor R319 Radio signal strength indicator RSSI a voltage signal is used to drive Q315 to saturation hence turning it on RSSI is produced by U301 and is proportional to the gain of the RF amplifier and the input RF signal power to the radio Resistor network at the input to the base of Q315 is scaled to turn on ...

Page 247: ... to provide the low port modulation The audio runs through an internal attenuator for modulation balancing purposes before going out to the VCO 4 1 Synthesizer The Fractional N Synthesizer uses a 16 8MHz crystal FL201 to provide a reference for the system The LVFractN IC U201 further divides this to 2 1MHz 2 225MHz and 2 4MHz as reference frequencies Together with C206 C207 C208 R204 and CR203 the...

Page 248: ...K CEX MODIN VCC DC5V XTAL1 XTAL2 WARP PREIN VCP REFERENCE OSCILLATOR VOLTAGE MULTIPLIER VOLTAGE CONTROLLED OSCILLATOR 2 POLE LOOP FILTER DATA U409 PIN 100 CLOCK U409 PIN 1 CSX U409 PIN 2 MOD IN U404 PIN 40 5V U247 PIN 4 7 8 9 10 13 30 23 24 25 32 47 VMULT2 VMULT1 BIAS1 SFOUT AUX3 AUX4 IADAPT IOUT GND FREFOUT LOCK 4 19 6 22 23 24 43 45 3 2 28 14 15 40 FILTERED 5V STEERING LINE LOCK U409 PIN 56 PRES...

Page 249: ...CO This voltage is a DC voltage between 3 5V and 9 5V when the PLL is locked on frequency Figure 1 6 VCO Block Diagram Presc RX TX Matching Network Low Pass Filter Attenuator Pin8 Pin14 Pin10 Level Shifter Network 5V U201 Pin28 VCC Buffers TX RF Injection U201 Pin 32 AUX4 U201 Pin3 AUX3 U201 Pin2 Prescaler Out Pin 12 Pin 19 Pin 20 TX RX BS Switching Network U241 VCOBIC Rx Active Bias Tx Active Bia...

Page 250: ... transmit condition when PTT is depressed five volts is applied to U241 pin 19 This activates the transmit VCO by enabling the transmit oscillator and the transmit buffer of U241 The RF signal at U241 pin 10 is injected into the input of the PA module U101 pin16 This RF signal is the TX RF INJECTION Also in transmit mode the audio signal to be frequency modulated onto the carrier is received throu...

Page 251: ...lated detailed circuit descriptions in the theory of operation sections prior to troubleshooting a radio Most troubleshooting charts end up by pointing to an IC to replace It is not always noted but it is good practice to verify supplies and grounds to the affected IC and to trace continuity to the malfunctioning signal and related circuitry before replacing any IC For instance if a clock signal i...

Page 252: ...req 45 1MHz Audio heard B Yes No Check 2nd LO Control Voltage at C363 VCO locked B Yes 16 8 MHz check at pin 22 U301 Activity on U301 sel pin Check FGU No No A A Yes Check Q320 bias circuitry for faults Rotate Freq Knob Check controller Before replacing U301 check 2nd VCO Q320 Check VCO O P level C351 C352 Yes No Figure 2 1 Troubleshooting Chart for Receiver Sheet 1 of 2 ...

Page 253: ...ge Check filter between C310 T301 Yes Check T301 T302 CR306 R308 R309 R310 Yes 1st LO O P OK Locked Yes Check FGU Yes Trace IF signal from L311 to Q302 Check for bad XTAL filter No Yes Q302 collec tor OK IF signal present Beforereplacing U301 check U301 voltages trace IF signal path Yes Check for 2 6 VDC Is R5 present Check Q210 U201 pin 48 voltages and U247 No No No Check U404 voltage U404 can be...

Page 254: ...Pin Diodes 2 Check Harmonic Filter Inspect Repair Tx Output Network Is Power OK Done Check Drive to Module Is Drive OK Troubleshoot VCO Inspect PA Network Check Power Out of U101 at Cap C160 Is Power OK Replace U101 Is Power OK Replace Q101 Done Done No Yes Yes No No Yes Low High No Yes Yes No Yes No Figure 2 3 Troubleshooting Chart for Transmitter ...

Page 255: ...4 15 of U201 Replace or resolder necessary components Is RF level at U201 Pin 32 30 dBm Are R231 R232 R233 C231 C232 C233 OK Replace U201 If L261 C263 C264 are OK then see VCO troubleshooting chart Are Waveforms at Pins 14 15 triangular Do Pins 7 8 9 of U201 toggle when channel is changed Check programming lines between U409 and U201 Pins 7 8 9 Replace U201 Check uP U409 Troubleshooting Chart NO Y...

Page 256: ... 3 2V Pin 19 0V AUX 4 High Change Q261 V ctrl 0V or 13V L243 Open Circuit Change U241 Change L243 Change U201 Check for faulty parts or dry joints of L271 L273 C370 C386 R339 L320 A A No No Yes Yes Yes No No Yes Yes Yes No Yes No No Yes Yes No No Check R245 for dry joint or faulty No Figure 2 5 Troubleshooting Chart for Voltage Controlled Oscillator ...

Page 257: ...PB504 Check Q502 2 voltage LED Q502 R501 OK Replace Faulty Component Check Accessories J403 OPT_SEL_1 OPT_SEL_2 Pin 8 9 low Radio could not PTT externally U409 Pin 52 6 low See FGU Troubleshoot ing chart LED should light up Check MCU PTT NO YES YES No No NO YES YES NO YES YES NO NO YES YES NO NO YES NO YES NO YES YES NO NO YES EXT SPKR EXT PTT INT AUDIO J403 Pin 9 low Pin 8 high ASFIC U404 Pin 14 ...

Page 258: ...2 8 TROUBLESHOOTING CHARTS THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 259: ...3 Reference Designators are assigned in the following manner 100 Series Transmitter 200 Series Frequency Generation 300 Series Receiver 400 500 Series Controller 600 Series Keypad Board 4 Interconnect Tie Point Legend UNSWB Unswitch Battery Voltage 7 5V SWB Switch Battery Voltage 7 5V R5 Receiver Five Volts CLK Clock Vdda Regulated 3 3 Volts for analog Vddd Regulated 3 3 Volts for digital CSX Chip...

Page 260: ...End UHF1 Receiver Back End UHF1 Synthesiser UHF1 VCO UHF1 Transmitter Page 3 7 Page 3 8 Page 3 9 Page 3 10 Page 3 11 Page 3 12 Parts List UHF1 Radio RF Board Page 3 13 PCB 8404077G05 G06 G07 Main Board Top Side 8404077G05 G06 G07 Main Board Bottom Side 8404077G09 Main Board Top Side 8404077G09 Main Board Bottom Side Page 3 15 Page 3 16 Page 3 17 Page 3 18 SCHEMATICS UHF1 Controls and Switches 8404...

Page 261: ...r UHF1 Harmonic Filter Page 3 33 Page 3 34 Page 3 35 Page 3 36 Page 3 37 Page 3 38 Parts List UHF1 Radio RF Board Page 3 39 PCB 8471441L01 Main Board Top Side 8471441L01Main Board Bottom Side Page 3 45 Page 3 46 SCHEMATICS UHF1 Controls and Switches 1 of 2 UHF1 Controls and Switches 2 of 2 UHF1 Receiver Front End UHF1 Receiver Back End UHF1 Synthesiser UHF1 VCO UHF1 Transmitter Page 3 47 Page 3 48...

Page 262: ...3H06 Main Board Top Side 8415563H06 Main Board Bottom Side Page 3 61 Page 3 62 SCHEMATICS UHF Narrow Band Controls and Switches UHF Narrow Band Receiver Front End UHF Narrow Band Receiver Back End UHF Narrow Band Synthesiser UHF Narrow Band VCO UHF Narrow Band Transmitter UHF Narrow Band Harmonic Filter Page 3 63 Page 3 64 Page 3 65 Page 3 66 Page 3 67 Page 3 68 Page 3 69 Parts List UHF Narrow Ban...

Page 263: ...0 RT301 VR300 VR444 C331 C333 CR308 R342 R317 R336 TP202 TP302 C375 C320 C381 C319 C322 L309 L310 R309 R308 R310 R348 SH303 T301 3 4 6 T302 3 4 6 C110 C114 C118 C119 C121 C122 C125 C160 C165 C166 C171 C112 C113 C115 C117 C116 C120 C161 C127 C131 C129 C169 L114 L115 L106 L107 L108 L109 L113 L160 R103 R104 R106 R107 R108 R120 R171 R161 R173 SH101 U101 9 8 16 1 C109 C111 3 2 Q110 1 C101 C141 C102 C10...

Page 264: ... C138 C151 C170 C174 C123 C126 C133 C128 C135 C150 C152 C134 E101 L112 R102 R329 R109 R130 R131 R132 25 9 17 U102 1 VR439 C241 C246 C255 C281 C295 C372 C252 C242 C243 C250 C244 C245 C254 C371 C373 C378 CR241 CR242 CR243 CR251 L241 L281 L242 L251 Q310 R330 R332 R110 R112 R111 R242 R241 R251 R244 R245 R252 R254 R331 R349 SH242 U241 10 20 1 11 C201 C264 C218 C223 C224 C231 C296 C298 C202 C204 C206 C2...

Page 265: ... 100pF C503 VR506 6 8V 10V VR439 L505 390nH 24V 2 1 F501 2 CR501 1 BATT_CODE UNSWB BATT BATT RADIO_CODE BATTERY_CONTACT CONN_J B501 2 DATA 1 NEG 3 POS PB501 1 2 SWITCH 01uF C521 6 8V VR440 SB1 1 2 PB502 SWITCH C522 01uF VR441 6 8V PB503 SB2 C523 01uF 6 8V VR442 SWITCH PB504 1 2 1 2 SWITCH VR444 6 8V PTT SB3 6 8V VR443 1 2 SWITCH PB505 01uF C520 EMER 47K R506 Q505 R505 10K Vdda GREEN_LED IMX1 5 1 6...

Page 266: ...K L306 13 9nH L307 13 9nH C316 3 9pF C313 10pF C311 27nH L305 6 8pF C312 C306 NU NU R303 1K C310 0 1uF Q301 1 3 2 R340 6 8K 2 7 R328 C314 0 1uF 510 12K R305 C309 100pF R304 180nH L304 100pF C321 100pF C315 R5 R342 100K C380 01uF DACRx 2 XFMR T301 4 6 3 1 18 R309 270 270 R310 R308 CR306 3 4 IF 2 1 82pF C322 L310 150nH R317 1K 2 3 CR308 HSMP3820 1 100pF C331 C395 100pF L340 390nH R347 1K R5 C301 3 6...

Page 267: ...E U301 32D83 8 9 3 1 2 5 4 11 6 10 7 12 16 15 24 21 20 14 19 18 13 17 22 23 48 43 42 46 47 41 38 37 44 40 39 45 32 25 30 29 31 26 27 36 28 33 34 35 0 15uF 15pF C338 C361 01uF RSSI C328 0 1uF R314 3K R5 330 R313 C355 C337 100pF 022uF C356 C326 01uF L314 2 2uH C336 0 1uF Vdd_FILTERED C342 1uF C341 1uF C340 1uF 1uF C339 LVZIF BTM SHEILD CRYSTAL FILTER SHIELD LVZIF TOP SHEILD SH322 SHIELD SH321 SHIELD...

Page 268: ... VMULT2 VMULT3 VMULT4 MODOUT FREFOUT AUX4 AUX1 AUX2 AUX3 23 24 15 14 12 11 19 41 48 1 2 3 TEST2 WARP SFOUT TEST1 IADAPT INDMULT IOUT LOCK ADAPTSW 25 28 37 38 45 16 43 4 46 VCP VRO PRE_VDD PD_VDD DVDD AVDD 47 13 5 34 36 20 VBPASS PVREF SFIN MODIN BIAS1 BIAS2 CEX CLK DATA 21 35 30 10 40 39 9 8 7 REFSEL SFBASE SFCAP NC1 NC2 NC3 PREIN CCOMP 18 27 26 17 29 31 32 42 PD_GND PRE_GND DGND AGND 44 33 6 22 U...

Page 269: ...D SH242 1 SH241 SHIELD VCO TOP SHIELD VCO BOTTOM SHIELD R260 1K C297 01uF 4 1 3 Q260 2 AUX3 5V AUX4 1 3 Q261 2 100pF C289 330 R252 R251 18 100pF C255 R254 7 5K 1 2 3 3 6pF L253 RESONATOR C254 P1 P2 P3 C253 1 5pF CR251 10pF C252 C247 100pF 30 R248 0 1uF C248 7 5K R253 Tx_sw 100pF C251 L251 33nH CR242 L241 CR243 390nH VCTRL 100pF C241 2 CR241 1 3 L282 390nH 1 3 2 Q241 BFQ67W VSF R244 12K R243 10K 2 ...

Page 270: ...1uF 200 R161 C127 1000pF 022uF C128 390nH L112 100pF C130 UNSWB 100pF C160 10pF C120 C121 100pF 15 0nH L160 022uF C152 R108 NU R107 C151 100pF C150 022uF NU 300 R110 2K R104 R111 20 300 R112 C125 100pF C295 100pF TX_INJ 4 22nH L108 11 03nH L109 C118 100pF 30pF C117 10 R106 C116 33pF 15pF C115 2 Q110 R103 43 R175 6 2 R176 6 2 0 1uF C172 R172 200 Microstrip C113 L106 10pF 7 66nH 19 61nH L104 C111 13...

Page 271: ...50 100pF Circuit Ref Motorola Part No Description C263 2113743N02 0 75pF C264 2113743N50 100pF C273 2113743M24 0 1UF 80 20 C276 2104993J02 2 2UF C277 2113743N50 100pF C278 2311049A09 2 2UF C279 2104993J02 2 2UF C281 2113743N50 100pF C285 2113743N50 100pF C286 2113743M24 0 1UF 80 20 C289 2113743N50 100pF C291 2311049A69 10 0UF C292 2113743M24 0 1UF 80 20 C293 2113743A27 0 470UF C294 2113743N50 100p...

Page 272: ...662057M92 5 6K R109 0662057N30 200K R110 0662057M61 300 R111 0662057M33 20 R112 0662057M61 300 R120 0662057N14 43K R130 0662057M98 10K R131 0662057N05 18K R132 0662057N33 270K R161 0662057M57 200 R170 0662057A34 240 R171 0662057N14 43K R172 0662057A32 200 R173 0662057N29 180K Circuit Ref Motorola Part No Description R175 0662057B59 3 0 ohm R176 0662057B59 3 0 ohm R201 0662057N21 82K R202 0662057N2...

Page 273: ...R300 VR444 C331 C333 CR308 R342 R317 R336 TP202 TP302 C375 C320 C381 C319 C322 L309 L310 R309 R308 R310 R348 SH303 T301 3 4 6 T302 3 4 6 C110 C114 C118 C119 C121 C122 C125 C160 C165 C166 C171 C112 C113 C115 C117 C116 C120 C161 C127 C131 C129 C169 L114 L115 L106 L107 L108 L109 L113 L160 R103 R104 R106 R107 R108 R120 R171 R161 R173 SH101 U101 9 8 16 1 C109 C111 3 2 Q110 1 C101 C141 C102 C104 C103 C1...

Page 274: ...51 C170 C174 C123 C126 C133 C128 C135 C150 C152 C134 E101 L112 R102 R329 R109 R130 R131 R132 25 9 17 U102 1 VR439 C241 C246 C255 C281 C295 C372 C252 C242 C243 C250 C244 C245 C254 C371 C373 C378 CR241 CR242 CR243 CR251 L241 L281 L242 L251 Q310 R330 R332 R110 R112 R111 R242 R241 R251 R244 R245 R252 R254 R331 R349 SH242 U241 10 20 1 11 C201 C264 C218 C223 C224 C231 C296 C298 C202 C204 C206 C207 C208 ...

Page 275: ... C381 L309 L310 R309 R308 R310 R348 SH303 T301 3 4 6 T302 3 4 6 TP202 TP302 C331 C333 C396 CR308 R336 R342 R317 C109 C110 C114 C118 C119 C121 C122 C125 C160 C165 C166 C171 C111 C112 C113 C115 C116 C117 C120 C161 C127 C131 C129 C169 L115 L106 L107 L108 L109 L114 L113 L160 3 2 Q110 1 R103 R104 R174 R106 R107 R108 R120 R171 R161 R173 R175 R176 SH101 1 16 8 9 U101 C521 PB501 VR440 C362 C364 C351 C349 ...

Page 276: ...01 SH304 B501 C277 C279 C278 L505 U248 VR506 CR501 C130 C138C151 C170 C174 C123 C126 C133 C128 C135 C150 C152 C134 E101 L112 R109 R132 R136 R329 25 9 17 U102 1 VR439 C241 C246 C255 C281 C295 C371 C372 C373 C378 C242 C243 C250 C244 C245 C252 C254 CR241 CR242 CR243 CR251 R349 L241 L281 L242 L251 Q310 R330 R331 R332 R110 R112 R111 R242 R241 R251 R244 R245 R252 R254 SH242 U241 10 20 1 11 C201 C264 C20...

Page 277: ...R5 Vdda Vdda RSSI 16 8MHz CLK DACRx DATA DEMOD LVZIF_SEL RX_INJ 5V SWB DATA CSX CLK DACRX DEMOD RSSI LVZIF_SEL 16 8MHz LOCK MODIN R5 SWB Vdda 5V RX_INJ FGU TX_INJ 16 8MHz CLK CSX DATA LOCK MODIN RX_IN TX_INJ UNSWB TRANSMITTER 5V CLK CSX DATA RESET UNSWB RESET 5V B503 B504 LI_ION MECH_SWB 0 47uF C502 4 1 LOW 5 3 HIGH 6 TAB1 7 TAB2 2 S502 SWITCH 0 R507 C522 01uF 6 8V VR441 C505 100pF 3 B1 2 B2 4 SWI...

Page 278: ...0 11 J200 8 01uF C523 J200 37 J200 26 2 4 1 3 J200 38 CR503 F501 24V 2 1 VR441 6 8V TRANSMITTER 5V CLK CSX DATA RESET RX_IN TX_INJ UNSWB 680 R501 10K R505 1 A1 3 A2 2 B1 4 B2 L505 390nH SWITCH PB501 CONN_J B501 2 DATA 1 NEG 3 POS 100pF C547 100pF C546 100pF C545 100pF C544 NU C543 100pF C528 12V VR439 NU C542 C540 NU C541 C539 NU NU 0 47uF 100pF C538 C502 100pF C512 01uF C520 100pF C537 NU R511 2 ...

Page 279: ...nH L307 13 9nH C316 3 9pF C313 10pF C311 27nH L305 6 8pF C312 C306 NU NU R303 1K C310 0 1uF Q301 1 3 2 R340 6 8K 2 7 R328 C314 0 1uF 510 12K R305 C309 100pF R304 180nH L304 100pF C321 100pF C315 R5 R342 100K C380 01uF DACRx 2 XFMR T301 4 6 3 1 18 R309 270 270 R310 R308 CR306 3 4 IF 2 1 82pF C322 L310 150nH R317 1K 2 3 CR308 HSMP3820 1 100pF C331 C395 100pF L340 390nH R347 1K R5 C301 3 6pF RX_IN CR...

Page 280: ...3 8 9 3 1 2 5 4 11 6 10 7 12 16 15 24 21 20 14 19 18 13 17 22 23 48 43 42 46 47 41 38 37 44 40 39 45 32 25 30 29 31 26 27 36 28 33 34 35 0 15uF 15pF C338 C361 01uF RSSI C328 0 1uF R314 3K R5 330 R313 C355 C337 100pF 022uF C356 C326 01uF L314 2 2uH C336 0 1uF Vdd_FILTERED C342 1uF C341 1uF C340 1uF 1uF C339 LVZIF BTM SHEILD CRYSTAL FILTER SHIELD LVZIF TOP SHEILD SH322 SHIELD SH321 SHIELD SH323 SHIE...

Page 281: ...LT3 VMULT4 MODOUT FREFOUT AUX4 AUX1 AUX2 AUX3 23 24 15 14 12 11 19 41 48 1 2 3 TEST2 WARP SFOUT TEST1 IADAPT INDMULT IOUT LOCK ADAPTSW 25 28 37 38 45 16 43 4 46 VCP VRO PRE_VDD PD_VDD DVDD AVDD 47 13 5 34 36 20 VBPASS PVREF SFIN MODIN BIAS1 BIAS2 CEX CLK DATA 21 35 30 10 40 39 9 8 7 REFSEL SFBASE SFCAP NC1 NC2 NC3 PREIN CCOMP 18 27 26 17 29 31 32 42 PD_GND PRE_GND DGND AGND 44 33 6 22 U201 63A27 C...

Page 282: ...ELD SH242 1 SH241 SHIELD VCO TOP SHIELD VCO BOTTOM SHIELD R260 1K C297 01uF 4 1 3 Q260 2 AUX3 5V AUX4 1 3 Q261 2 100pF C289 330 R252 R251 18 100pF C255 R254 7 5K 1 2 3 3 6pF L253 RESONATOR C254 P1 P2 P3 C253 1 5pF CR251 10pF C252 C247 100pF 30 R248 0 1uF C248 7 5K R253 Tx_sw 100pF C251 L251 33nH CR242 L241 CR243 390nH VCTRL 100pF C241 2 CR241 1 3 L282 390nH 1 3 2 Q241 BFQ67W VSF R244 12K R243 10K ...

Page 283: ... C127 1000pF 022uF C128 390nH L112 100pF C130 UNSWB 100pF C160 10pF C120 C121 100pF 15 0nH L160 022uF C152 R108 NU R107 C151 100pF C150 022uF NU 300 R110 2K R104 R111 20 300 R112 C125 100pF C295 100pF TX_INJ 4 22nH L108 11 03nH L109 C118 100pF 30pF C117 10 R106 C116 33pF 15pF C115 2 Q110 R103 43 R175 6 2 R176 6 2 0 1uF C172 R172 200 Microstrip C113 L106 10pF 7 66nH 19 61nH L104 C111 13pF 1 3 C112 ...

Page 284: ...3 26 UHF1 PCB and Scematics Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 285: ...F 5 C257 2113743N50 100 0 pF 5 C258 2113743L41 10000 pF 10 Circuit Ref Motorola Part No Description C259 2113743L41 10000 pF 10 C260 2113743N50 100 0 pF 5 C263 2113743N02 0 75 pF 0 25 pF C264 2113743N50 100 0 pF 5 C265 NOT PLACED C271 NOT PLACED C272 NOT PLACED C273 2113743M24 100000 pF 80 20 C276 2104993J02 2 2 uF C277 2113743N50 100 0 pF 5 C278 2311049A09 2 2 uF 10 C279 2104993J02 2 2 uF C281 21...

Page 286: ...253 2460593C02 Teflon Resonator L261 2462587V29 39 nH 5 L271 2462587V32 68 nH 5 L273 2462587V28 33 nH 5 L281 2462587V41 390 nH 10 L282 2462587V41 390 nH 10 Circuit Ref Motorola Part No Description L301 2479990C01 13 9 nH L302 2479990C01 13 9 nH L303 2462587V26 22 nH 5 L304 2462587V37 180 nH 5 L305 2462587V26 22 nH 5 L306 2479990C01 13 9 nH L307 2479990C01 13 9 nH L309 2479990C02 16 28 nH L310 2462...

Page 287: ...meter Volume SH100 2680507Z01 Shield Harmonic Filter SH101 2680510Z01 Shield PA SH201 2680511Z01 Shield Synthesizer SH202 2680511Z01 Shield Synthesizer Circuit Ref Motorola Part No Description SH241 2604120G01 Shield VCO SH242 2680514Z01 Shield VCO Bottom LVZIF SH301 2680554Z01 Shield Receiver Front End Top SH302 2680555Z01 Shield Receiver Front End Bottom SH303 2680509Z01 Shield Mixer SH304 26806...

Page 288: ...3 30 UHF1 PCB and Scematics Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 289: ...520 C521 C597 C598 C599 CR101 CR102 CR201 CR301 CR302 4 3 2 CR503 6 4 3 1 FL201 2 3 4 5 6 FL301 FL302 4 3 2 FL303 4 3 2 FL304 1 40 J200 L101 L102 L104 L105 L106 L107 L108 L109 L113 L114 L115 L116 L160 L201 L202 L203 L232 1 3 L243 1 3 L253 L271 L273 L282 L301 L302 L309 L310 L311 L321 L330 2 3 4 PB501 2 3 4 PB502 2 3 4 PB504 2 3 4 PB505 1 2 3 Q110 4 3 Q210 Q241 4 3 Q260 4 3 Q261 Q502 Q505 R103 R104 ...

Page 290: ...552 C553 C555 C600 C601 C602 CR103 CR105 CR160 CR203 CR241 CR242 CR243 CR251 CR303 CR304 CR305 CR306 CR311 CR312 CR313 CR501 D101 E101 E102 E103 E104 E105 F501 H101 2 3 4 1 J101 J102 L112 L241 L242 L251 L261 L281 L303 L304 L305 L306 L307 L325 L331 L332 L505 P100 4 3 Q111 Q301 Q302 Q310 Q320 R101 R102 R109 R110 R111 R112 R130 R131 R132 R133 R136 R170 R172 R201 R202 R204 R231 R232 R233 R241 R242 R24...

Page 291: ...SWB 100pF C537 RF_JACK 4 GND 1 2 3 J101 RTA3 LI_ION RED_LED J200 25 180 R502 PTT BATT_CODE RESET 6 8V VR440 J200 37 100pF C526 100pF C532 LI_ION 100pF C531 RTA2 RTA3 SB3 J200 19 J200 17 RTA1 C140 SB1 SB3 2 B2 4 VR501 6 8V PB505 SWITCH A1 1 A2 3 B1 VR443 6 8V 100pF C538 a d d V J200 23 L505 a d d V J200 40 390nH J200 12 BATT_CODE 9 75nH L116 EMER J200 35 C505 100pF J200 39 LOCK 100pF C529 MECH_SWB ...

Page 292: ... 9 1pF 240 R331 C381 0 R309 R330 2 3 1 10K CR303 100K R307 L304 180nH 100K R301 6 2pF R304 C320 12K C306 100pF C321 C375 100pF R340 2 3 4 1 9 1K CR306 C305 TP302 L307 20pF 13 9nH C315 100pF C322 82pF SH302 SHIELD 1 13 9nH VCOBUF L301 CR305 C374 100pF C372 100pF L306 13 9nH 2 2K R303 4 6 3 1 2 12K R332 XFMR T302 100K R342 13 9nH L302 SH301 SHIELD 1 0 R329 C386 100pF C380 01uF C371 1pF C319 C312 6 8...

Page 293: ... Y300 TSS 2 44 395MHz D N G 2 1 D N G 4 OUT C328 R366 12K R375 R376 0 R370 390 R363 C366 4 7K R312 CC1 2 CC2 5 1 D N G 1 2 D N G 4 IN 3 OUT 6 FL301 MXF45 44 85MHz U302 1 TC7W04F 1 7 R345 39K R360 Q302 20K 680 R369 5V NC R377 6 VCC 5V L311 560nH 0 2 T U O X I M 4 N I C S O 3 T U O C S O 0 1 N I D A U Q 1 N I F R 2 C E D _ N I F R 5 T U O I S S R 9 D E E F _ I S S R 8 1 N I P M A F I 6 1 T U O P M A...

Page 294: ...78 C233 C279 0 1uF 2 2uF 2 4 1 3 MODOUT Q210 330pF C206 SHIELD SH201 1 C257 100pF 0 1uF C296 U210 3 GND 2 1 NC 4 5 VCC C238 470pF TC7ST04FU VMULT3 VMULT4 11 O R V 3 1 25 WARP XTAL1 23 XTAL2 24 30 SFOUT 28 TEST1 37 TEST2 38 VBPASS 21 P C V 7 4 VMULT1 15 VMULT2 14 12 D D V _ D P 5 PREIN 32 D N G _ E R P 3 3 D D V _ E R P 4 3 PVREF 35 REFSEL 18 SFBASE 27 SFCAP 26 SFIN IOUT 43 LOCK 4 MODIN 10 MODOUT 4...

Page 295: ... 1MEG 7 5pF C129 C152 022uF 300 R110 5 0 1 E 1 N S 1 2 2 G P 1 2 M L B R106 10 R176 6 2 C132 100pF N I F R 6 1 1 T U O F R 6 2 T U O F R 7 L R T N C V 1 1 D V 4 1 1 G V 2 2 G V 3 GND1 4 GND2 5 GND3 12 GND4 13 1 C N 8 2 C N 9 3 C N 0 1 4 C N 5 1 30C65 U101 17 EP 2 G 1 1 R131 18K 022uF 200K C135 2 3 1 R109 100pF CR103 43K C295 R171 L106 7 66nH 15 0nH L160 43 R103 R175 6 2 5 6pF C169 R132 270K C115 3...

Page 296: ...20pF 240 R170 240 R101 100pF L105 C108 1 RF_JACK 390nH ANT_BIAS SHIELD SH100 C107 2 3 1 3 3pF CR102 CR101 19 61nH L104 17 02nH L102 L101 C106 17 02nH 4 7pF 7 5pF C104 13pF C103 8 2pF C102 TX_OUT 100pF C101 RX_IN UHF1 403 470MHz Harmonic Filter Diagram 8415563H06 ...

Page 297: ...0PF 50V 5 Circuit Ref Motorola Part No Description C172 2113944C45 CAP CER CHP 100 0PF 50V 5 C173 2113945B04 CAP FXD 022UF 10 10 25V DC 04 C174 2113944A40 CAP CER CHP 100 0PF 50V 5 C175 2113944C45 CAP CER CHP 100 0PF 50V 5 C201 2113944A40 CAP CER CHP 100 0PF 50V 5 C202 2113945A09 CAP CER CHP 1000PF 50V 10 C203 2113946H01 CAP CER CHP 4 7UF 10V 10 C204 2113946N03 CAP CER CHP 2 2UF 16V C206 2113944C0...

Page 298: ...113946K02 CAP CER CHP 0 10UF 16V C358 NOTPLACED C359 NOTPLACED C360 2113944A13 CAP CER CHP 3 3PF 50V 0 25PF C361 2113946K02 CAP CER CHP 0 10UF 16V C362 2113946K02 CAP CER CHP 0 10UF 16V C364 2113944A81 CAP FXD 24PF 5 5 50V DC 0402 C C366 NOTPLACED C367 2113944A82 CAP FXD 30PF 5 5 50V DC 0402 C Circuit Ref Motorola Part No Description C370 2113944A17 CAP CER CHP 4 7PF 50V 0 25PF C371 NOTPLACED C372...

Page 299: ...H 10 620 MA 1 12OHM CE L116 2479990A03 AIR WOUND COIL GREEN COLOR 9 75NH Circuit Ref Motorola Part No Description L160 2414017N14 IND CER CHIP 15 0 NH 5 L201 2414017Q20 IDCTR FXD 2 2UH 20 30M A 65OHM FER L202 2414017Q20 IDCTR FXD 2 2UH 20 30M A 65OHM FER L203 2414017Q20 IDCTR FXD 2 2UH 20 30M A 65OHM FER L232 2414032L25 IDCTR WW 12UH 5 150MA 3 8OHM FERR L241 2414032F41 IDCTR WW 390NH 10 200 MA 1 5...

Page 300: ...ES 4700 OHM 5 0402 R313 0613952Q61 CER CHIP RES 330 OHM 5 0402 Circuit Ref Motorola Part No Description R314 0613952Q78 CER CHIP RES 1600 OHM 5 0402 R315 0613952R03 CER CHIP RES 12K OHM 5 0402 R320 NOTPLACED R321 0613952R15 CER CHIP RES 39K OHM 5 0402 R322 0613952Q73 CER CHIP RES 1000 OHM 5 0402 R324 0613952R08 CER CHIP RES 20K OHM 5 0402 R328 0613952R66 CER CHIP RES 0 0 0 050 OHM R329 0613952R66 ...

Page 301: ...0U56 IC PKG DIE VCO BUFFER U247 5115026H01 IC LOW DROPOUT SM SOT 23 6 P U248 5115019H01 IC LOW DROPOUT SOT 23 SOT 23 U301 5115281H01 FM IF IC SA616 FROM PHILIPS U302 5115070H01 IC INVTR TC7W04FU SSOP U303 NOTPLACED VR439 4813977M21 DIODE 12V ZENER _5242_ VR440 4815038H01 DIODE ARRAY ZEN SM SOD 323 6 93V VR441 4815038H01 DIODE ARRAY ZEN SM SOD 323 6 93V VR443 4815038H01 DIODE ARRAY ZEN SM SOD 323 6...

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Page 303: ...8 C599 CR101 CR102 CR201 CR301 CR302 4 3 2 CR503 6 4 3 1 FL201 2 3 4 5 6 FL301 FL302 4 3 2 FL303 4 3 2 FL304 1 40 J200 L101 L102 L104 L105 L106 L107 L108 L109 L113 L114 L115 L160 L201 L202 L203 L232 1 3 L243 1 3 L253 L271 L273 L282 L301 L302 L309 L310 L311 L321 L330 2 3 4 PB501 2 3 4 PB502 2 3 4 PB504 2 3 4 PB505 1 2 3 Q110 4 3 Q210 Q241 4 3 Q260 4 3 Q261 Q502 Q505 R103 R104 R106 R107 R108 R120 R1...

Page 304: ... C600 C601 C602 CR103 CR105 CR160 CR203 CR241 CR242 CR243 CR251 CR303 CR304 CR305 CR306 CR311 CR312 CR313 CR501 D101 E101 E102 E103 E104 E105 F501 H101 L112 L241 L242 L251 L261 L281 L303 L304 L305 L306 L307 L325 L331 L332 L505 M1001 M1002 M1003 M1004 M1005 P100 5 2 3 4 P3501 4 3 Q111 Q301 Q302 Q310 Q320 R101 R102 R109 R110 R111 R112 R130 R131 R132 R133 R136 R170 R172 R201 R202 R204 R231 R232 R233 ...

Page 305: ...C531 100pF C530 100pF C529 100pF C528 100pF C527 100pF C526 100pF C525 100pF J200 1 J200 16 J200 2 J200 18 J200 17 J200 36 J200 40 J200 39 J200 21 J200 27 J200 20 J200 13 J200 14 J200 4 J200 5 J200 6 J200 7 J200 8 J200 10 J200 9 J200 11 J200 12 J200 19 J200 38 J200 22 J200 26 J200 28 J200 37 J200 23 J200 32 J200 33 J200 29 J200 30 J200 15 J200 3 J200 24 J200 31 J200 25 RTA1 RTA2 RTA3 SB1 SB2 SB3 S...

Page 306: ... 240 VOL RTA0 20pF C175 C502 VR506 100pF R506 if A1 CR160 100pF A1 1 A2 3 B1 2 B2 4 1 2 a d d V a d d V BATT_CODE C505 B W S N U RF_JACK PB501 SWITCH VR444 6 8V VR441 P100 SB2 PB505 SWITCH A1 1 A2 3 B1 2 B2 4 R502 390nH L505 5 1 6 BATT BATT NU NU BATTERY_CONTACT Q502 CR503 2 4 1 3 6 TAB1 7 TAB2 2 LI_ION RED_LED SWITCH S502 4 1 W O L 5 H G I H 3 01uF VR501 6 8V 1 PC1 2 PC2 4 8 PC3 10K C0 C0 C1 C1 G...

Page 307: ...CR304 9 1pF 240 R331 C381 0 R309 R330 2 3 1 10K CR303 100K R307 L304 180nH 100K R301 6 2pF R304 C320 12K C306 100pF C321 C375 100pF R340 2 3 4 1 9 1K CR306 C305 TP302 L307 20pF 13 9nH C315 100pF C322 82pF SH302 SHIELD 1 13 9nH VCOBUF L301 CR305 C374 100pF C372 100pF L306 13 9nH 2 2K R303 4 6 3 1 2 12K R332 XFMR T302 100K R342 13 9nH L302 SH301 SHIELD 1 0 R329 C386 100pF C380 01uF C371 1pF C319 C31...

Page 308: ...C E D _ N I F R 5 T U O I S S R 9 D E E F _ I S S R 6 VCC 7 1 2 C E D _ P M A F I 4 1 N I M I L 1 1 T U O M I L 3 1 1 C E D _ M I L 2 1 2 C E D _ M I L 0 2 T U O X I M 4 N I C S O 3 T U O C S O 8 T U O O I D U A 7 D E E F _ O I D U A 15 GND 8 1 N I P M A F I 6 1 T U O P M A F I 9 1 1 C E D _ P M A F I SA616 U301 R374 C358 C343 0 1uF R350 3 3K R365 1 2K 20K R324 D N G 3 IN 1 OUT 2 C355 0 1uF 30pF C...

Page 309: ... 1 D N G 5 IN 2 NR 4 OUT 3 SD ADP3300 U247 2 2uF C278 C233 C279 0 1uF 2 2uF C224 0 1uF C231 0 1uF R281 330pF C206 SHIELD SH201 1 C208 0 1uF C298 100pF C201 IN 6 R204 47K FL201 75Z04 16 8MHz D N G 1 1 D N G 4 OUT 3 MODOUT 0 1uF C292 C296 C257 100pF 2 1 NC 4 5 VCC 0 1uF TC7ST04FU U210 3 GND WARP XTAL1 23 XTAL2 24 C238 470pF VBPASS 21 P C V 7 4 VMULT1 15 VMULT2 14 12 VMULT3 VMULT4 11 O R V 3 1 25 PVR...

Page 310: ... 1 P 1 2 P2 3 3 P 1 5pF 1 C253 100pF SH241 SHIELD C255 12K R244 C281 100pF PRESC 0 1uF C271 C248 CR243 R253 7 5K 1 3 L241 390nH Q260 2 4 15 TX_EMITTER 1 TX_IADJ 10 TX_OUT 13 TX_SWITCH 14 S R E F F U B _ C C V 18 C I G O L _ C C V 5 RX_BASE 6 RX_EMITTER 2 RX_IADJ 8 RX_OUT 7 RX_SWITCH 3 SUPER_FLTR 19 TRB_IN 16 TX_BASE 4 COLL_RFIN 20 FLIP_IN 11 S R E F F U B _ D N G 9 G A L F _ D N G C I G O L _ D N ...

Page 311: ...F R136 1MEG 7 5pF C129 C152 022uF 300 R110 5 0 1 E 1 N S 1 2 2 G P 1 2 M L B R106 10 R176 6 2 C132 100pF N I F R 6 1 1 T U O F R 6 2 T U O F R 7 L R T N C V 1 1 D V 4 1 1 G V 2 2 G V 3 GND1 4 GND2 5 GND3 12 GND4 13 1 C N 8 2 C N 9 3 C N 0 1 4 C N 5 1 30C65 U101 17 EP 2 G 1 1 R131 18K 022uF 200K C135 2 3 1 R109 100pF CR103 43K C295 R171 L106 7 66nH 15 0nH L160 43 R103 R175 6 2 5 6pF C169 R132 270K ...

Page 312: ...3 54 UHF1 PCB and Schematic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 313: ...it Ref Motorola Part No Description C174 2113944A40 CAP CER CHP 100 0PF 50V 5 C175 2113944C45 CAP CER CHP 100 0PF 50V 5 C201 2113944A40 CAP CER CHP 100 0PF 50V 5 C202 2113945A09 CAP CER CHP 1000PF 50V 10 C203 2113946H01 CAP CER CHP 4 7UF 10V 10 C204 2113946N03 CAP CER CHP 2 2UF 16V C206 2113944C04 CAP CER CHP 330 0PF 50V 5 C207 2113944A33 CAP CER CHP 47 0PF 50V 5 C208 NOTPLACED GCAM DUMMY PART NUM...

Page 314: ...0 10UF 16V C355 2113946K02 CAP CER CHP 0 10UF 16V C357 2113946K02 CAP CER CHP 0 10UF 16V C358 NOTPLACED GCAM DUMMY PART NUMBER C359 NOTPLACED GCAM DUMMY PART NUMBER C360 2113944A13 CAP CER CHP 3 3PF 50V 0 25 C361 2113946K02 CAP CER CHP 0 10UF 16V C362 2113946K02 CAP CER CHP 0 10UF 16V Circuit Ref Motorola Part No Description C364 2113944A81 CAP FXD 24PF 5 5 50V DC 04 C366 NOTPLACED GCAM DUMMY PART...

Page 315: ... 2479990G01 AIR WOUND COIL GREEN COLOR 33 L108 2479990A01 AIR WOUND COIL GREEN COLOR 4 2 L109 2479990B01 AIR WOUND COIL GREEN COLOR 11 Circuit Ref Motorola Part No Description L112 2414032B45 IDCTR WW 22NH 5 1A 12 OHM CER L113 2414017N09 IDCTR CHIP 5 6NH 600MA 2 OHM C L114 2414032B45 IDCTR WW 22NH 5 1A 12 OHM CER L115 2414032B22 IDCTR WW 390NH 10 620 MA 1 12O L160 2414017N14 IDCTR CHIP 15NH 5 600M...

Page 316: ...000 OHM 5 0402 R304 0613952R03 CER CHIP RES 12K OHM 5 0402 R305 0613952Q66 CER CHIP RES 510 OHM 5 0402 Circuit Ref Motorola Part No Description R306 0613952R25 CER CHIP RES 100K OHM 5 0402 R307 0613952R25 CER CHIP RES 100K OHM 5 0402 R308 0613952Q42 CER CHIP RES 51 0 OHM 5 0402 R309 0613952R66 CER CHIP RES 0 0 0 050 OHM R310 NOTPLACED GCAM DUMMY PART NUMBER R311 0613952R13 CER CHIP RES 33K OHM 5 0...

Page 317: ...3 2615924H01 SHIELD CRYSTAL FILTER T301 2515121H01 BALUN TRANSFORMER W18 COMP T302 2515121H01 BALUN TRANSFORMER W18 COMP U101 5115678H01 VHF UHF 800 900 MHZ LDMOS DRIV U102 5185765B26 IC PWR CTRL IN MOS20 U201 5185177Y01 IC TESTED AT25016 48 PIN W18 U210 5115266H01 INVERTER TC7ST04FU SS0P5 P A U211 5115266H01 INVERTER TC7ST04FU SS0P5 P A U241 5105750U56 IC PKG DIE VCO BUFFER U247 5115026H01 MAX SU...

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Page 319: ... C512 C513 C514 C520 C521 C597 C598 C599 CR101 CR102 CR201 CR301 CR302 4 3 2 CR503 6 4 3 1 FL201 2 3 4 5 6 FL301 FL302 4 3 2 FL303 4 3 2 FL304 1 40 J200 L101 L102 L104 L105 L106 L107 L108 L109 L113 L114 L115 L116 L160 L201 L202 L203 L232 1 3 L243 1 3 L253 L271 L273 L282 L301 L302 L309 L310 L311 L321 L330 2 3 4 PB501 2 3 4 PB502 2 3 4 PB504 2 3 4 PB505 1 2 3 Q110 4 3 Q210 Q241 4 3 Q260 4 3 Q261 Q50...

Page 320: ...9 C550 C551 C552 C553 C555 C600 C601 C602 CR103 CR105 CR160 CR203 CR241 CR242 CR243 CR251 CR303 CR304 CR305 CR306 CR311 CR312 CR313 CR501 D101 E101 E102 E103 E104 E105 F501 H101 2 3 4 1 J101 J102 L112 L241 L242 L251 L261 L281 L303 L304 L305 L306 L307 L325 L331 L332 L505 P100 4 3 Q111 Q301 Q302 Q310 Q320 R101 R102 R109 R110 R111 R112 R130 R131 R132 R133 R136 R170 R172 R201 R202 R204 R231 R232 R233 ...

Page 321: ... SWB J200 26 SWB 100pF C537 RF_JACK 4 GND 1 2 3 J101 RTA3 LI_ION RED_LED J200 25 180 R502 PTT BATT_CODE RESET 6 8V VR440 J200 37 100pF C526 100pF C532 LI_ION 100pF C531 RTA2 RTA3 SB3 J200 19 J200 17 RTA1 C140 SB1 SB3 2 B2 4 VR501 6 8V PB505 SWITCH A1 1 A2 3 B1 VR443 6 8V 100pF C538 a d d V J200 23 L505 a d d V J200 40 390nH J200 12 BATT_CODE 9 75nH L116 EMER J200 35 C505 100pF J200 39 LOCK 100pF C...

Page 322: ...10 C304 CR304 9 1pF 240 R331 C381 0 R309 R330 2 3 1 10K CR303 100K R307 L304 180nH 100K R301 6 2pF R304 C320 12K C306 100pF C321 C375 100pF R340 2 3 4 1 9 1K CR306 C305 TP302 L307 20pF 13 9nH C315 100pF C322 82pF SH302 SHIELD 1 13 9nH VCOBUF L301 CR305 C374 100pF C372 100pF L306 13 9nH 2 2K R303 4 6 3 1 2 12K R332 XFMR T302 100K R342 13 9nH L302 SH301 SHIELD 1 0 R329 C386 100pF C380 01uF C371 1pF ...

Page 323: ...46 3 IN 1 12K Y300 TSS 2 44 395MHz D N G 2 1 D N G 4 OUT C328 R366 12K R375 R376 0 R370 390 R363 C366 4 7K R312 CC1 2 CC2 5 1 D N G 1 2 D N G 4 IN 3 OUT 6 FL301 MXF45 44 85MHz U302 1 TC7W04F 1 7 R345 39K R360 Q302 20K 680 R369 5V NC R377 6 VCC 5V L311 560nH 0 2 T U O X I M 4 N I C S O 3 T U O C S O 0 1 N I D A U Q 1 N I F R 2 C E D _ N I F R 5 T U O I S S R 9 D E E F _ I S S R 8 1 N I P M A F I 6 ...

Page 324: ...ND 6 22 PD_VDD PRE_VDD AVDD DVDD VRO VCP 47 13 5 34 36 20 R201 82K R202 100K 100pF C211 C214 100pF DATA CSX MODIN 100pF C212 100pF C210 L261 39nH 100pF C264 CLK PRESC C263 0 75pF C201 100pF VSF 1000pF C202 4 7uF C203 NU R281 330pF C206 C207 39pF 6 IN 75Z04 1 GND 4 GND1 3 OUT NU C208 R204 47K 16 8MHz FL201 CR203 1 TP201 TEST_POINT C213 100pF 5V LOCK SYNTHESIZER BOTTOM SHIELD SYNTHESIZER TOP SHIELD ...

Page 325: ...SH242 SHIELD SH241 SHIELD 1 VCO BOTTOM SHIELD VCO TOP SHIELD AUX3 01uF C297 5V 2 4 10K 47K 47K 4 7K 10K 47K 47K 4 7K 1 3 Q260 1K R260 DD 2 4 1 3 Q261 AUX4 100pF C289 7 5K R254 R252 330 C255 100pF R251 18 2 4pF C254 2 P2 3 P3 RESONATOR L253 P1 1 1 5pF C253 CR251 68nH L251 C252 5 6pF 100pF C251 CR241 A1 A2 1 2 C241 100pF VCTRL 390nH L241 CR242 CR243 L242 220nH 2pF C244 C243 7 5pF 100pF C247 0 1uF C2...

Page 326: ...28 022uF R136 1MEG 7 5pF C129 C152 022uF 300 R110 5 0 1 E 1 N S 1 2 2 G P 1 2 M L B R106 10 R176 6 2 C132 100pF N I F R 6 1 1 T U O F R 6 2 T U O F R 7 L R T N C V 1 1 D V 4 1 1 G V 2 2 G V 3 GND1 4 GND2 5 GND3 12 GND4 13 1 C N 8 2 C N 9 3 C N 0 1 4 C N 5 1 30C65 U101 17 EP 2 G 1 1 R131 18K 022uF 200K C135 2 3 1 R109 100pF CR103 43K C295 R171 L106 7 66nH 15 0nH L160 43 R103 R175 6 2 5 6pF C169 R13...

Page 327: ... SHIELD C175 20pF 240 R170 240 R101 100pF L105 C108 1 RF_JACK 390nH ANT_BIAS SHIELD SH100 C107 2 3 1 3 3pF CR102 CR101 19 61nH L104 17 02nH L102 L101 C106 17 02nH 4 7pF 7 5pF C104 13pF C103 8 2pF C102 TX_OUT 100pF C101 RX_IN UHF Narrow Band 450 470MHz Harmonic Filter Diagram 8415563H06 ...

Page 328: ...3 70 UHF Narrow Band PCB Schematic Diagrams and Radio Parts List RF Board THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 329: ...7R 55DEG CMIN 125DEG CMA Circuit Ref Motorola Part No Description C160 2113944A40 CAP CER CHP 100 0PF 50V 5 C161 2113946K02 CAP CER CHP 0 10UF 16V C165 2113944A40 CAP CER CHP 100 0PF 50V 5 C166 2113944A40 CAP CER CHP 100 0PF 50V 5 C169 2113944A19 CAP CER CHP 5 6PF 50V 0 5PF C170 2113944A40 CAP CER CHP 100 0PF 50V 5 C171 2113944A40 CAP CER CHP 100 0PF 50V 5 C172 2113944C45 CAP CER CHP 100 0PF 50V 5...

Page 330: ...6K02 CAP CER CHP 0 10UF 16V C329 2113946K02 CAP CER CHP 0 10UF 16V C334 2113945A13 CAP CER CHP 4700PF 50V 10 Circuit Ref Motorola Part No Description C337 NOTPLACED GCAM DUMMY PART NUMBER C338 NOTPLACED GCAM DUMMY PART NUMBER C343 2113946K02 CAP CER CHP 0 10UF 16V C344 2113945D04 CAP CER CHP 100 000PF 25V 10 C345 2113946K02 CAP CER CHP 0 10UF 16V C346 2113946K02 CAP CER CHP 0 10UF 16V C347 2113946...

Page 331: ...ND SWITCHIND DIODE ROHM DAN CR501 4815155H01 RECTIFIER CR503 4805729G49 DIODE RED YEL D101 4813978C06 DIODE ARRAY SIGNL SWG BD2836 SM SOT 23 100MA 75V 225W SHTK 2 PB E101 2415954H02 INDUCTOR BEAD CHIP EPP WITH EPOXY E102 7686949J14 FLTR FERRITE BEAD 2A SM 0805 CHIP 220OHM E103 7686949J08 FLTR FERR 1A SM 0603 E104 7686949J08 FLTR FERR 1A SM 0603 E105 7686949J14 FLTR FERRITE BEAD 2A SM 0805 CHIP 220...

Page 332: ...110 0613952Q60 CER CHIP RES 300 OHM 5 0402 R111 0613952Q32 CER CHIP RES 20 0 OHM 5 0402 R112 0613952Q60 CER CHIP RES 300 OHM 5 0402 R120 0613952R16 CER CHIP RES 43K OHM 5 0402 Circuit Ref Motorola Part No Description R130 0613952R01 CER CHIP RES 10K OHM 5 0402 R131 0613952R07 CER CHIP RES 18K OHM 5 0402 R132 0613952R35 CER CHIP RES 270K OHM 5 0402 R133 NOTPLACED GCAM DUMMY PART NUMBER R136 NOTPLAC...

Page 333: ...378 NOTPLACED GCAM DUMMY PART NUMBER R501 0613952Q69 CER CHIP RES 680 OHM 5 0402 R502 0613952Q55 CER CHIP RES 180 OHM 5 0402 R505 0613952R01 CER CHIP RES 10K OHM 5 0402 R506 0613952R17 CER CHIP RES 47K OHM 5 0402 R507 0613952R66 CER CHIP RES 0 0 0 050 OHM R509 0613952R66 CER CHIP RES 0 0 0 050 OHM R510 0613952R66 CER CHIP RES 0 0 0 050 OHM R511 NOTPLACED GCAM DUMMY PART NUMBER S501 4080710Z19 SWIT...

Page 334: ...3 76 UHF Narrow Band PCB Schematic Diagrams and Radio Parts List RF Board THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 335: ...Compact Professional Portable Radios UHF2 450 527MHz Service Information Issue July 2007 ...

Page 336: ...he copyrighted computer program Accordingly any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola Furthermore the purchase of Motorola products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the cop...

Page 337: ...hooting Chart for Receiver Sheet 1 of 2 2 2 Troubleshooting Chart for Receiver Sheet 2 of 2 2 3 Troubleshooting Chart for Transmitter 2 4 Troubleshooting Chart for Synthesizer 2 5 Troubleshooting Chart for VCO 2 6 Troubleshooting Chart for Controller 2 7 Chapter 3 UHF PCB SCHEMATICS PARTS LISTS 1 0 Notes For All Schematics and Circuit Board 3 1 2 0 Allocation of Schematics and Circuit Boards 3 2 2...

Page 338: ...iv THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 339: ...ains five basic circuits 1 Power Amplifier 2 Antenna Switch 3 Harmonic Filter 4 Antenna Matching Network 5 Power Control Integrated Circuit PCIC 2 1 1 Power Amplifier The power amplifier consists of two devices 1 9Z67 LDMOS driver IC U101 and 2 PRF1507 LDMOS PA Q110 The 9Z67 LDMOS driver IC contains a 2 stage amplification with a supply voltage of 7 3V Figure 1 1 Transmitter Block Diagram PCIC Ant...

Page 340: ...wer module This type of filter has the advantage that it can give a greater attenuation in the stop band for a given ripple level The harmonic filter insertion loss is typically less than 1 2dB 2 1 4 Antenna Matching Network A matching network which is made up of L116 is used to match the antenna s impedance to the harmonic filter This will optimize the performance of the transmitter and receiver ...

Page 341: ...01 and CR302 in the filter The bandpass filter is electronically tuned by the DACRx from IC404 which is controlled by the microprocessor Depending on the carrier frequency the DACRx will supply the tuned voltage to the varactor diodes in the filter Wideband operation of the filter is achieved by shifting the bandpass filter across the band The output of the bandpass filter is coupled to the RF amp...

Page 342: ... is dependent on the radio channel spacing is controlled by the microprocessor Additional filtering once externally provided by the conventional ceramic filters is replaced by internal filters in the IF module U301 The IF IC uses a type of direct conversion process whereby the externally generated second LO frequency is divided by two in U301 so that it is very close to the first IF frequency The ...

Page 343: ...switching here Maximum current flowing through the PIN is mainly limited by the resistor R319 Radio signal strength indicator RSSI a voltage signal is used to drive Q315 to saturation hence turning it on RSSI is produced by U301 and is proportional to the gain of the RF amplifier and the input RF signal power to the radio Resistor network at the input to the base of Q315 is scaled to turn on Q315 ...

Page 344: ...op divider to provide the low port modulation The audio runs through an internal attenuator for modulation balancing purposes before going out to the VCO 4 1 Synthesizer The Fractional N Synthesizer uses a 16 8MHz crystal FL201 to provide a reference for the system The LVFractN IC U201 further divides this to 2 1MHz 2 225MHz and 2 4MHz as reference frequencies Together with C206 C207 C208 R204 and...

Page 345: ...ATA CLK CEX MODIN VCC DC5V XTAL1 XTAL2 WARP PREIN VCP REFERENCE OSCILLATOR VOLTAGE MULTIPLIER VOLTAGE CONTROLLED OSCILLATOR 2 POLE LOOP FILTER DATA U409 PIN 100 CLOCK U409 PIN 1 CSX U409 PIN 2 MOD IN U404 PIN 40 5V U247 PIN 4 7 8 9 10 13 30 23 24 25 32 47 VMULT2 VMULT1 BIAS1 SFOUT AUX3 AUX4 IADAPT IOUT GND FREFOUT LOCK 4 19 6 22 23 24 43 45 3 2 28 14 15 40 FILTERED 5V STEERING LINE LOCK U409 PIN 5...

Page 346: ...d at the VCO This voltage is a DC voltage between 3 5V and 9 5V when the PLL is locked on frequency Figure 1 5 VCO Block Diagram Presc RX TX Matching Network Low Pass Filter Attenuator Pin8 Pin14 Pin10 Level Shifter Network 5V U201 Pin28 VCC Buffers TX RF Injection U201 Pin 32 AUX4 U201 Pin3 AUX3 U201 Pin2 Prescaler Out Pin 12 Pin 19 Pin 20 TX RX BS Switching Network U241 VCOBIC Rx Active Bias Tx ...

Page 347: ...hematic Diagram on page 5C 22 During the transmit condition when PTT is depressed five volts is applied to U241 pin 19 This activates the transmit VCO by enabling the transmit oscillator and the transmit buffer of U241 The RF signal at U241 pin 10 is injected into the input of the PA module U101 pin16 This RF signal is the TX RF INJECTION Also in transmit mode the audio signal to be frequency modu...

Page 348: ...1 10 THEORY OF OPERATION THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 349: ...lated detailed circuit descriptions in the theory of operation sections prior to troubleshooting a radio Most troubleshooting charts end up by pointing to an IC to replace It is not always noted but it is good practice to verify supplies and grounds to the affected IC and to trace continuity to the malfunctioning signal and related circuitry before replacing any IC For instance if a clock signal i...

Page 350: ... Freq 45 1MHz Audio heard B Yes No Check 2nd LO Control Voltage at C363 VCO locked B Yes 16 8 MHz check at pin 22 U301 Activity on U301 sel pin Check FGU No No A A Yes Check Q320 bias circuitry for faults Rotate Freq Knob Check controller Before replacing U301 check 2nd VCO Q320 Check VCO O P level C351 C352 Yes No Figure 3 1 Troubleshooting Chart Receiver Sheet 1 of 2 ...

Page 351: ...p Q301 Stage Check filter between C310 T301 Yes Check T301 T302 CR306 R308 R309 Yes 1st LO O P OK Locked Yes Check FGU Yes Trace IF signal from L311 to Q302 Check for bad XTAL filter No Yes Q302 collector OK IF signal present Beforereplacing U301 check U301 voltages trace IF signal path Yes Check for 2 6 VDC Is R5 present Check Q210 U201 pin 48 voltages and U247 No No No Check U404 voltage U404 ca...

Page 352: ...k Pin Diodes 2 Check Harmonic Filter Inspect Repair Tx Output Network Is Power OK Done Check Drive to Module Is Drive OK Troubleshoot VCO Inspect PA Network Check Power Out of U101 at Cap C160 Is Power OK Replace U101 Is Power OK Replace Q101 Done Done No Yes Yes No No Yes Low High No Yes Yes No Yes No Figure 3 3 Troubleshooting Chart Transmitter ...

Page 353: ...d Pins 14 15 of U201 Replace or resolder necessary components Is RF level at U201 Pin 32 30 dBm Are R231 R232 R233 C231 C232 C233 OK Replace U201 If L261 C263 C264 are OK then see VCO troubleshooting chart Are Waveforms at Pins 14 15 triangular Do Pins 7 8 9 of U201 toggle when channel is changed Check programming lines between U409 and U201 Pins 7 8 9 Replace U201 Check uP U409 Troubleshooting Ch...

Page 354: ...or 3 2V Pin 19 0V AUX 4 High Change Q261 V ctrl 0V or 13V L243 Open Circuit Change U241 Change L243 Change U201 Check for faulty parts or dry joints of L271 L273 C370 C386 R339 L320 A A No No Yes Yes Yes No No Yes Yes Yes No Yes No No Yes Yes No No Check R245 for dry joint or faulty No Figure 3 5 Troubleshooting Chart Voltage Controlled Oscillator ...

Page 355: ...h Check PB504 Check Q502 2 voltage LED Q502 R501 OK Replace Faulty Component Check Accessories J403 OPT_SEL_1 OPT_SEL_2 Pin 8 9 low Radio could not PTT externally U409 Pin 52 6 low See FGU Troubleshooting chart LED should light up Check MCU PTT NO YES YES No No NO YES YES NO YES YES NO NO YES YES NO NO YES NO YES NO YES YES NO NO YES EXT SPKR EXT PTT INT AUDIO J403 Pin 9 low Pin 8 high ASFIC U404 ...

Page 356: ...2 8 TROUBLESHOOTING CHARTS THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 357: ...3 Reference Designators are assigned in the following manner 100 Series Transmitter 200 Series Frequency Generation 300 Series Receiver 400 500 Series Controller 600 Series Keypad Board 4 Interconnect Tie Point Legend UNSWB Unswitch Battery Voltage 7 5V SWB Switch Battery Voltage 7 5V R5 Receiver Five Volts CLK Clock Vdda Regulated 3 3 Volts for analog Vddd Regulated 3 3 Volts for digital CSX Chip...

Page 358: ...ge 3 9 Page 3 10 SCHEMATICS UHF2 Controls and Switches Sht 1 of 2 8404102G03 G04 G05 G07 G08 UHF2 Controls and Switches Sht 2 of 2 8404102G03 G04 G05 G07 G08 UHF2 Receiver Front End UHF2 Receiver Back End UHF2 Synthesiser UHF2 VCO UHF2 Transmitter Page 3 11 Page 3 12 Page 3 13 Page 3 14 Page 3 15 Page 3 16 Page 3 17 Parts List UHF2 Radio RF Board Page 3 19 PCB 8416243H04 Main Board Top Side 841624...

Page 359: ...er Back End UHF2 Synthesiser UHF2 VCO UHF2 Transmitter Page 3 39 Page 3 40 Page 3 41 Page 3 42 Page 3 43 Page 3 44 Page 3 45 Parts List UHF2 Radio RF Board Page 3 47 PCB 8485641Z02 Main Board Top Side 8485641Z02 Main Board Bottom Side Page 3 51 Page 3 52 SCHEMATICS UHF2 Controls and Switches UHF2 Receiver Front End UHF2 Receiver Back End UHF2 Synthesiser UHF2 VCO UHF2 Transmitter Page 3 53 Page 3 ...

Page 360: ...3 4 UHF2 PCB SCHEMATICS PARTS LISTS THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 361: ...108 L113 L117 L160 3 2 Q110 1 R104 R106 R107 R174 R108 R120 R171 R161 R173 R191 SH101 U101 9 8 16 1 C375 C320 C319 C322 C381 L309 L310 R309 R308 R310 R348 SH303 T301 3 4 6 T302 3 4 6 C324 C325 C323 FL301 L311 R351 R352 SH323 C521 PB501 PB502 VR440 C328 C391 C397 Q315 Q316 R326 R338 R300 R314 R316 R318 R319 R325 R327 R334 R335 RT300 RT301 VR300 C331 C396 C333 CR308 R342 R317 R336 C101 C102 C104 C10...

Page 362: ... E101 F501 L112 R102 R329 SH304 VR439 C105 C174 C133 C135 C134 R109 R130 R131 R132 25 9 17 U102 1 C241 C246 C255 C281 C295 C372 C371 C373 C378 C242 C243 C250 C244 C245 C252 C254 CR241 CR242 CR243 CR251 L241 L251 L281 L242 M300 Q310 R330 R332 R110 R112 R111 R349 R242 R241 R244 R245 R251 R252 R254 R331 SH242 U241 10 20 1 11 C201 C264 C218 C223 C224 C231 C296 C298 C202 C265 C204 C206 C207 C208 C219 C...

Page 363: ...3 2 Q110 1 R104 R174 R106 R107 R108 R120 R171 R161 R173 R175 R176 R191 SH101 1 16 8 9 U101 C101 C102 C104 C103 C106 C107 C188 CR101 CR102 L101 L102 L104 L105 SH100 C140 C141 L116 C511 C514 C520 CR503 2 3 4 PB505 R501 R502 VR443 C308 C304 C301 C305 C302 C303 CR301 CR302 L301 L302 R301 R302 SH301 C331 C333 C396 CR308 R336 R342 R317 SH321 C375 C320 C319 C322 C381 L309 L310 R309 R308 R310 R348 SH303 T...

Page 364: ...132 R136 25 9 17 U102 1 C503 CR306 CR501 F501 R329 SH304 VR439 C327 C326 C330 C338 L330 Q302 R315 R311 R312 R313 1 2 3 B501 C277 C215 C279 C522 C278 L505 R205 U248 VR441 VR506 Y201 4 3 2 C525 C526 C527 C528 C529 C530 C531 C532 C533 C534 C535 C536 C537 C538 C544 C545 C546 C547 C549 C550 C555 C539 C540 C541 C542 C543 C548 R509 R510 C551 C552 C553 R511 C201 C264 C208 C265 C218 C223 C224 C231 C296 C29...

Page 365: ...386 3 L243 3 L253 L271 L273 L282 L321 Q241 4 3 Q261 R243 R248 R253 R260 R333 R339 SH241 TP202 TP302 C109 C110 C111 C112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 C125 C127 C129 C131 C160 C161 C165 C166 C169 C171 C180 C181 L106 L107 L108 L113 L114 L115 L117 L160 1 2 3 Q110 R104 R106 R107 R108 R120 R161 R171 R173 R174 R175 R176 R191 SH101 9 8 16 1 U101 C101 C102 C103 C104 C106 C107 C188 CR10...

Page 366: ...70 C172 C173 C174 CR105 E101 L112 R102 R109 R130 R131 R132 R133 R136 R172 R329 1 17 9 25 U102 VR439 C201 C202 C204 C206 C207 C208 C218 C219 C223 C224 C231 C232 C234 C258 C259 C263 C264 C265 C293 C296 C298 CR203 L261 R201 R202 R204 R231 R232 R233 R281 SH202 1 37 25 13 U201 4 3 U210 4 3 U211 C503 CR306 CR501 F501 SH304 C326 C327 C330 C338 L330 Q302 R311 R312 R313 R315 C329 C334 C336 C337 C339 C340 C...

Page 367: ...CK 5V DEMOD RESET J200 J200 18 J200 16 J200 17 J200 36 J200 40 J200 39 J200 37 J200 32 J200 33 J200 23 J200 38 J200 28 J200 22 J200 26 J200 34 J200 30 J200 19 J200 20 J200 4 J200 5 J200 6 J200 7 J200 8 J200 9 J200 10 J200 29 J200 15 J200 3 J200 24 J200 31 J200 25 J200 1 J200 11 J200 12 J200 2 J200 21 J200 27 J200 13 J200 14 J200 35 100pF C536 100pF C535 C533 100pF 100pF C537 C534 C532 100pF 100pF ...

Page 368: ... TAB5 5 CONN_J B501 ANTENNA_NUT J102 TAB1 1 R507 0 2 4 1 3 CR503 VR441 6 8V CR160 A1 A2 A3 K1 K2 K3 01uF if 4 GND 1 2 3 C522 J101 RF_JACK 47K R506 RF_JACK VR506 6 8V 1 A1 3 A2 2 B1 4 B2 C141 8 2pF SWITCH PB505 C503 C521 100pF 01uF 100pF 100pF C514 C513 3 A2 2 B1 4 B2 PB502 SWITCH 1 A1 CR501 1 2 B504 100pF IMX1 5 1 6 C505 6 8V VR443 A1 3 A2 2 B1 4 B2 VR444 6 8V SWITCH PB504 1 6 8V VR440 01uF C520 L...

Page 369: ... 11pF C317 7 5pF T301 4 6 3 1 2 XFMR TP302 T302 XFMR 4 6 3 1 2 C320 C319 7 5pF 3 6pF 16 28nH L309 R348 3 6K R336 C333 R5 NU NU 33K R327 R316 91K Q315 1 3 2 18K R318 R319 150 C396 NU R300 2 2K 0 47pF C397 1 33 0K RT300 2 R334 Q316 1 3 2 VR300 R326 NU NU NU NU R325 6 8K R338 R335 RT301 2 1 C391 NU NU NU NU R5 C370 100pF R330 RSSI RX_INJ NU R331 C372 Q310 1 3 2 C371 100pF C386 NU NU NU NU 0 R349 100p...

Page 370: ...uF Q302 R351 0 3 3K R352 12K R315 680nH L330 01uF C325 C323 150pF 20pF C324 750nH L311 GND2 4 GND3 5 OUT 3 IN 6 TBD XTAL FL301 GND 1 GND1 2 IF 10uF C382 C348 0 1uF 0 1uF C329 2 20uH L331 R343 10 0 1uF C344 Vdd_FILTERED SOURCE C343 0 22uF 0 1uF C347 0 1uF C346 Vdda 022uF C334 DB 0 1uF C359 1200pF C358 R344 12K C383 100pF 0 22uF C357 16 8MHz Vdd_FILTERED CLK DATA LVZIF_SEL C350 330pF C349 022uF 2K R...

Page 371: ... SH201 SHIELD SH202 L232 12uH 47K R204 CR203 C238 470pF 1 6pF C208 1 GND GND1 4 OUT 3 IN 6 FL201 75Z04 100pF C260 100pF C213 5V LOCK AUX4 AUX3 4 3K R255 30 R256 Q210 2 4 1 3 R5 16 8MHz 10K 47K 4 7K 47K 120 R232 620 R231 0 1uF C233 560 R233 C231 0 1uF C234 0 47uF C232 047uF TP202 1 MODOUT 100pF C277 2 2uF C278 4V_3 3V C279 2 2uF 100pF C220 GND 2 NC 4 3 ON_OFF VIN 1 VOUT 5 U248 LP2980 C294 100pF 0 4...

Page 372: ... R244 L243 RESONATOR 1 2 3 4 3pF C250 4 3pF C242 4 3pF C243 1 2 CR243 A1 A2 CR241 C241 100pF 22nH L242 390nH L241 CR242 R243 10K C244 3 6pF Rx_sw 1 3 2 Q241 BFQ67W 30 R248 L282 390nH C247 0 1uF C248 100pF R253 7 5K Tx_sw C253 1 5pF 100pF C251 CR251 20pF C252 390nH L251 C254 3 3pF R251 33 L253 RESONATOR 1 2 3 100pF C289 100pF C255 R252 270 R254 8 2K 1K R260 4 1 3 Q261 2 10K 47K 47K 4 7K 2 4 1 3 Q26...

Page 373: ...1 100pF C161 0 1uF 200 R161 100pF C130 C128 022uF 390nH L112 R108 5 6K L160 15 0nH 56pF C160 022uF C152 UNSWB 33pF C116 C117 30pF 11 03nH L109 4 22nH L108 10 R106 100pF C115 C118 30pF C125 100pF 100pF C295 300 R112 R110 300 20 R111 R107 TX_INJ_1 TX_INJ NU Microstrip Microstrip 1 2 3 C111 11pF C112 47pF L107 33 47nH 0 1 R102 C113 10pF BEAD E101 C114 100pF C123 10uF 200 R172 0 1uF C172 Q110 Microstr...

Page 374: ...3 18 UHF2 PCB and Schematic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 375: ...254 2113743N26 10 0 pF 5 Circuit Ref Motorola Part No Description C255 2113743N50 100 pF 5 C257 2113743N50 100 pF 5 C258 2113743L41 10000 pF 10 C259 2113743L41 10000 pF 10 C260 2113743N50 100 pF 5 C263 2113743N02 0 75 pF 0 25 pF C264 2113743N50 100 pF 5 C265 NOT PLACED C271 2113743N03 1 0 pF 0 25 pF C272 2113743N04 1 1 pF 0 25 pF C273 2113743M24 100000 pF 80 20 C276 2104993J02 2 2 uF C277 2113743N...

Page 376: ...on Resonator L251 2462587V41 390 nH 10 L253 2460593C03 Teflon Resonator L261 2462587V29 39 nH 5 L271 2462587V27 27 nH 5 Circuit Ref Motorola Part No Description L273 2462587V25 18 nH 5 L281 2462587V41 390 nH 10 L282 2462587V41 390 nH 10 L301 2479990B01 11 03 nH L302 2479990B01 11 03 nH L303 2462587V26 22 nH 5 L304 2462587V37 180 nH 5 L305 2462587V23 12 nH 5 L306 2479990B01 11 03 nH L307 2479990B01...

Page 377: ...tch used in GP344 S502 1880619Z02 Potentiometer Volume Circuit Ref Motorola Part No Description SH100 2680507Z01 Shield Harmonic Filter SH101 2680510Z01 Shield PA SH201 2680511Z01 Shield Synthesizer SH202 2680511Z01 Shield Synthesizer SH241 2604120G01 Shield VCO SH242 2680514Z01 Shield VCO Bottom LVZIF SH301 2680554Z01 Shield Receiver Front End Top SH302 2680555Z01 Shield Receiver Front End Bottom...

Page 378: ...3 22 UHF2 PCB and Schematic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 379: ...512 C513 C514 C520 C521 C597 C598 C599 CR101 CR102 CR201 CR301 CR302 4 3 2 CR503 6 4 3 1 FL201 2 3 4 5 6 FL301 2 3 FL302 4 3 2 FL303 4 3 2 FL304 1 40 J200 L101 L102 L104 L105 L106 L107 L108 L113 L114 L115 L116 L117 L160 L201 L202 L203 L232 3 L243 3 L253 L271 L273 L282 L301 L302 L309 L310 L311 L321 L330 2 3 4 PB501 2 3 4 PB502 2 3 4 PB504 2 3 4 PB505 1 2 3 Q110 4 3 Q210 Q241 4 3 Q260 4 3 Q261 Q502 ...

Page 380: ...553 C555 C600 C601 C602 CR103 CR105 CR160 CR203 CR241 CR242 CR243 CR251 CR303 CR304 CR305 CR306 CR311 CR312 CR313 CR501 D104 E101 E102 E103 E104 E105 F501 H101 1 2 3 4 J101 J102 L112 L241 L242 L251 L261 L281 L303 L304 L305 L306 L307 L325 L332 L505 P100 4 3 Q111 Q301 Q302 Q310 Q320 R101 R102 R109 R110 R111 R112 R130 R131 R132 R133 R136 R170 R172 R201 R202 R204 R231 R232 R233 R241 R242 R244 R245 R25...

Page 381: ... C599 3 9pF J200 10 J200 19 LOCK RESET LI_ION Vdda EMER VOL RED_LED J200 35 C555 100pF J200 29 J200 30 J200 15 100pF C511 0 R509 100pF C553 100pF C552 RTA2 J200 16 C503 VOL 100pF J200 39 J200 40 J200 21 TAB1 1 TAB2 2 TAB3 3 TAB4 4 TAB5 5 4 GND 1 2 3 ANTENNA_NUT J102 J101 RF_JACK if J200 14 J200 4 C534 J200 5 R501 100pF 680 100pF C546 100pF C545 J200 13 J200 20 100pF C541 100pF C525 J200 1 DACRX SW...

Page 382: ... R307 100K C305 100K R342 R333 18 C308 R309 100pF R329 0 L302 11 03nH C371 C374 1 100pF L305 SHIELD SH302 C315 12nH 100pF C314 R308 270 0 1uF CR305 L310 150nH C313 11pF 4 3pF C303 16 28nH L309 8 2pF C301 C309 100pF 4 6 3 1 2 R348 3 6K T302 XFMR C304 11pF C306 3 6pF C319 R306 100K R330 C373 7 5pF C320 CR306 2 3 4 1 2 3 1 12K CR303 R304 R301 100K L321 7 5pF C312 R305 470 T301 4 6 3 1 2 R340 8 2K XFM...

Page 383: ... D E E F _ O I D U A 7 GND 15 N I P M A F I 8 1 T U O P M A F I 6 1 1 C E D _ P M A F I 9 1 2 C E D _ P M A F I 7 1 SA616 U301 R346 15K L325 1uH C361 0 1uF 3 3pF C360 R314 1 6K R312 4 7K C327 0 1uF R313 C338 33K 330 2 D N G 4 1 IN 2 OUT R311 2 OUT FL304 CFWC455G 3 1 D N G FL303 CFWC455E 3 1 D N G 2 D N G 4 1 IN C359 C358 C390 C383 C337 C328 R372 R378 R377 R344 51 5V 12K R315 R365 1 2K R364 1 8K R3...

Page 384: ...28 TEST1 37 TEST2 38 VBPASS 21 P C V 7 4 VMULT1 15 D N G _ D P 4 4 D D V _ D P 5 PREIN 32 D N G _ E R P 3 3 D D V _ E R P 4 3 PVREF 35 REFSEL 18 SFBASE 27 INDMULT 16 IOUT 43 LOCK 4 MODIN 10 MODOUT 41 NC1 17 NC2 29 NC3 31 42 CCOMP CEX 9 CLK 8 DATA 7 D N G D 6 D D V D 6 3 FREFOUT 19 IADAPT 45 D N G A 2 2 AUX1 48 AUX2 1 AUX3 2 AUX4 3 D D V A 0 2 BIAS1 40 BIAS2 39 63A27 U201 ADAPTSW 46 CR203 100pF C22...

Page 385: ...54 U241 COLL_RFIN 30 R248 C247 C248 100pF 0 1uF 100pF C255 C251 100pF 1 3 1 1pF C272 Q261 2 4 C241 100pF 1 CR242 SHIELD SH242 100pF C246 2 7pF C245 22nH L242 L273 18nH R244 15K L271 27nH L281 L241 390nH 390nH CR243 240 R245 0 1uF C273 CR241 1 A1 A2 2 Q241 BFQ67W 1 3 2 4 3pF C250 C256 5 1pF 100pF C289 3 3pF C254 CR251 R252 C252 270 390nH L251 5 1pF R242 120 R251 33 Q260 2 4 1 3 1pF 390nH C271 R243 ...

Page 386: ...3 47K L160 C117 C138 100pF 10pF R130 C181 022uF 10K C121 C150 100pF C160 1MEG R136 56pF BEAD E101 100pF C132 SHIELD SH101 1 L108 TX_INJ_1 4 22nH C118 100pF 100pF C130 Q111 2 6 4 1 3 18K R131 180K 0 1uF C126 R173 43K R171 1000pF C127 100pF C170 R161 200 V5EXT 20 VAR1 18 VAR2 24 VAR3 G V 5 1 VL 6 VLIM 19 RFIN RS 21 1 3 T E S R RX 23 T1 2 P M E T 0 3 0 1 V 4 1 5 4 V 6 1 17 8 2 8 6 1 F 9 GND1 8 2 D N ...

Page 387: ...D ANT_BIAS C188 36pF 240 R170 240 R101 100pF L105 C108 1 TX_OUT RF_JACK 390nH SHIELD SH100 C107 2 3 1 3 3pF CR102 CR101 12 39nH L104 L102 L101 12 39nH C106 12 39nH 4 7pF 6 2pF C104 13pF C103 C102 7 5pF 100pF C101 RX_IN UHF2 Harmonic Filter Diagram 8416243H04 ...

Page 388: ...3 32 UHF2 PCB and Schematic Diagrams EPP THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 389: ...scription C172 2113945D04 CAP CER CHP 100 000PF 25V 10 C173 2113945B04 CAP FXD 022UF 10 10 25V D C174 2113944A40 CAP CER CHP 100 0PF 50V 5 C188 2113944A83 CAP FXD 36PF 5 5 50V DC 0 C201 2113944A40 CAP CER CHP 100 0PF 50V 5 C202 2113945A09 CAP CER CHP 1000PF 50V 10 C203 2313960B30 CAP FXD 4 7UF 10 10 10V DC C204 2113946N03 CAP CER CHP 2 2UF 16V C206 2113944C04 CAP CER CHP 330 0PF 50V 5 C207 2113944...

Page 390: ...113944A40 CAP CER CHP 100 0PF 50V 5 C380 2113945B02 CAP CER CHP 10 000PF 25V 10 C382 2313960B57 CAP TANTALUM 10UF 10 10 4V C385 2113944A81 CAP FXD 24PF 5 5 50V DC 04 Circuit Ref Motorola Part No Description C386 2113944A40 CAP CER CHP 100 0PF 50V 5 C391 2113944A81 CAP CHIP 24 0 PF 5 COG C502 2313960A55 CAP TANT 0 47 UF 10 25V 3216 C503 2113944A84 CAP FXD 43PF 5 5 50V DC 04 C505 2113944A40 CAP CER ...

Page 391: ...LOR 11 L302 2479990B01 AIR WOUND COIL GREEN COLOR 11 L303 2414032F26 IDCTR WW 22NH 5 500MA 22OHM L304 2414032F37 IDCTR WW 180NH 5 400M A 64OHM Circuit Ref Motorola Part No Description L305 2414032F23 IDCTR WW 12NH 5 600MA 15OHM L306 2479990B01 AIR WOUND COIL GREEN COLOR 11 L307 2479990B01 AIR WOUND COIL GREEN COLOR 11 L309 2479990C02 AIR WOUND COIL GREEN COLOR 16 L310 2414032F36 IDCTR WW 150NH 5 4...

Page 392: ...OHM 5 0402 R355 0613952R25 CER CHIP RES 100K OHM 5 0402 R358 0613952Q73 CER CHIP RES 1000 OHM 5 0402 Circuit Ref Motorola Part No Description R360 0613952R08 CER CHIP RES 20K OHM 5 0402 R361 0613952R08 CER CHIP RES 20K OHM 5 0402 R363 0613952Q63 CER CHIP RES 390 OHM 5 0402 R364 0613952Q79 CER CHIP RES 1800 OHM 5 0402 R365 0613952Q75 CER CHIP RES 1200 OHM 5 0402 R366 0613952R03 CER CHIP RES 12K OHM...

Page 393: ...C512 C513 C514 C520 C521 C597 C598 C599 CR101 CR102 CR201 CR301 CR302 4 3 2 CR503 6 4 3 1 FL201 2 3 4 5 6 FL301 2 3 FL302 4 3 2 FL303 4 3 2 FL304 1 40 J200 L101 L102 L104 L105 L106 L107 L108 L113 L114 L115 L117 L160 L201 L202 L203 L232 3 L243 3 L253 L271 L273 L282 L301 L302 L309 L310 L311 L321 L330 2 3 4 PB501 2 3 4 PB502 2 3 4 PB504 2 3 4 PB505 1 2 3 Q110 4 3 Q210 Q241 4 3 Q260 4 3 Q261 Q502 Q505...

Page 394: ...601 C602 CR103 CR105 CR160 CR203 CR241 CR242 CR243 CR251 CR303 CR304 CR305 CR306 CR311 CR312 CR313 CR501 D104 E101 E102 E103 E104 E105 F501 H101 L112 L241 L242 L251 L261 L281 L303 L304 L305 L306 L307 L325 L332 L505 M1001 M1002 M1003 M1004 M1005 P100 5 2 3 4 P3501 4 3 Q111 Q301 Q302 Q310 Q320 R101 R102 R109 R110 R111 R112 R130 R131 R132 R133 R136 R170 R172 R201 R202 R204 R231 R232 R233 R241 R242 R2...

Page 395: ...533 C531 100pF C530 100pF C529 100pF C528 100pF C527 100pF C526 100pF C525 100pF J200 1 J200 16 J200 2 J200 18 J200 17 J200 36 J200 40 J200 39 J200 21 J200 27 J200 20 J200 13 J200 14 J200 4 J200 5 J200 6 J200 7 J200 8 J200 10 J200 9 J200 11 J200 12 J200 19 J200 38 J200 22 J200 26 J200 28 J200 37 J200 23 J200 32 J200 33 J200 29 J200 30 J200 15 J200 3 J200 24 J200 31 J200 25 RTA1 RTA2 RTA3 SB1 SB2 S...

Page 396: ... 240 VOL RTA0 36pF C175 C502 VR506 100pF R506 if A1 CR160 100pF A1 1 A2 3 B1 2 B2 4 1 2 a d d V a d d V BATT_CODE C505 B W S N U RF_JACK PB501 SWITCH VR444 6 8V VR441 P100 SB2 PB505 SWITCH A1 1 A2 3 B1 2 B2 4 R502 390nH L505 5 1 6 BATT BATT NU NU BATTERY_CONTACT Q502 CR503 2 4 1 3 6 TAB1 7 TAB2 2 LI_ION RED_LED SWITCH S502 4 1 W O L 5 H G I H 3 01uF VR501 6 8V 1 PC1 2 PC2 4 8 PC3 10K C0 C0 C1 C1 G...

Page 397: ... L310 11pF C313 150nH 4 3pF 16 28nH C303 C301 8 2pF L309 100pF C309 1 2 3 6K R348 XFMR T302 4 6 3 11pF C304 C306 C319 3 6pF 100K R306 R330 C373 2 3 4 1 C320 7 5pF 2 3 1 CR306 CR303 12K R304 180nH C378 L304 TP302 11 03nH R332 L306 0 1uF C307 C386 100pF 8 2pF C305 100K R307 R342 100K R333 18 R309 C308 100pF R329 0 C371 11 03nH L302 C374 100pF 270 R310 1 3 2 Q310 1 5K R303 C372 R349 0 R331 CR302 C322...

Page 398: ...F C360 R314 1 6K R355 100K R360 20K R345 39K R361 20K R378 R377 R344 51 R350 3 3K C358 C390 0 1uF C329 0 1uF C357 C343 0 1uF C345 0 1uF 1 Y301 45B02 455KHz 3 2 R315 1 2K 12K R364 1 8K R365 C350 0 1uF 4700pF R366 12K 680 C334 TC7W04F U302 1 1 7 R369 TC7W04F U302 2 6 2 0 1uF 5V Vdda N I F R 1 C E D _ N I F R 2 T U O I S S R 5 D E E F _ I S S R 9 VCC 6 C348 N I M I L 4 1 T U O M I L 1 1 1 C E D _ M I...

Page 399: ...BPASS 21 P C V 7 4 VMULT1 15 VMULT2 D N G _ D P 4 4 D D V _ D P 5 PREIN 32 D N G _ E R P 3 3 D D V _ E R P 4 3 PVREF 35 REFSEL 18 SFBASE 27 INDMULT 16 IOUT 43 LOCK 4 MODIN 10 MODOUT 41 NC1 17 NC2 29 NC3 31 CCOMP CEX 9 CLK 8 DATA 7 D N G D 6 D D V D 6 3 FREFOUT 19 IADAPT 45 D N G A 2 2 AUX1 48 AUX2 1 AUX3 2 AUX4 3 D D V A 0 2 BIAS1 40 BIAS2 39 42 63A27 U201 ADAPTSW 46 C223 0 1uF 100pF C220 3 GND 2 ...

Page 400: ...D N G 11 G A L F _ D N G 9 17 C I G O L _ D N G R248 50U54 30 C247 C248 100pF C255 0 1uF 100pF 100pF C251 C272 4 1 3 1 1pF Q261 2 C241 100pF R254 8 2K R260 1K CR242 SHIELD SH242 1 100pF C246 2 7pF C245 22nH L242 L273 18nH R244 15K L271 27nH L241 390nH 390nH L281 CR243 1 A1 A2 2 CR241 4 3pF C250 C256 5 1pF C289 C254 100pF CR251 3 3pF 270 R252 5 1pF C252 390nH L251 R242 120 4 1 3 R251 33 Q260 2 C271...

Page 401: ...100pF C166 L112 390nH L117 3 GND S O P 1 VOUT 2 22 0nH CR105 LM50 R104 47K L160 C117 10pF C138 C181 100pF 10K R130 022uF C150 C121 100pF C160 56pF R136 1MEG E101 BEAD C132 100pF SH101 SHIELD 1 L108 4 22nH 100pF C118 TX_INJ_1 3 C130 100pF Q111 2 6 4 1 R131 18K C126 0 1uF R173 R171 43K 180K R107 R132 100K 36pF C112 6 8pF 3 0 R176 C129 3 0 R175 100pF C110 43K R120 3300pF C134 R133 C119 100pF R106 10 ...

Page 402: ...3 46 UHF2 PCB and Schemtaic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 403: ... Part No Description C188 2113944A83 CAP FXD 36PF 5 5 50V DC 0 C201 2113944A40 CAP CER CHP 100 0PF 50V 5 C202 2113945A09 CAP CER CHP 1000PF 50V 10 C203 2313960B30 CAP FXD 4 7UF 10 10 10V DC C204 2113946N03 CAP CER CHP 2 2UF 16V C206 2113944C04 CAP CER CHP 330 0PF 50V 5 C207 2113944A32 CAP CER CHP 39 0PF 50V 5 C210 2113944A40 CAP CER CHP 100 0PF 50V 5 C211 2113944A40 CAP CER CHP 100 0PF 50V 5 C212 ...

Page 404: ...2 2313960B57 CAP FXD 10UF 10 10 6 3V DC C385 2113944A81 CAP FXD 24PF 5 5 50V DC 04 C386 2113944A40 CAP CER CHP 100 0PF 50V 5 C391 2113944A84 CAP FXD 43PF 5 5 50V DC 04 Circuit Ref Motorola Part No Description C502 2313960A55 CAP FXD 47UF 10 10 25V DC C503 2113944A84 CAP FXD 43PF 5 5 50V DC 04 C505 2113944A40 CAP CER CHP 100 0PF 50V 5 C511 2113944A40 CAP CER CHP 100 0PF 50V 5 C512 2113944A40 CAP CE...

Page 405: ...B01 AIR WOUND COIL GREEN COLOR 11 L307 2479990B01 AIR WOUND COIL GREEN COLOR 11 L309 2479990C02 AIR WOUND COIL GREEN COLOR 16 L310 2414032F36 IDCTR WW 150NH 5 400M A 56OHM Circuit Ref Motorola Part No Description L311 2414017K32 IDCTR CHIP 560NH 5 50M A 5OHM L321 2414032F37 IDCTR WW 180NH 5 400M A 64OHM L325 2414032H69 IDCTR WW 1 2UH 5 220MA 2 7OHM L330 2414017K33 IDCTR CHIP 680NH 5 50M A 5 5OH L3...

Page 406: ...13952R08 CER CHIP RES 20K OHM 5 0402 R361 0613952R08 CER CHIP RES 20K OHM 5 0402 R363 0613952Q63 CER CHIP RES 390 OHM 5 0402 R364 0613952Q79 CER CHIP RES 1800 OHM 5 0402 R365 0613952Q75 CER CHIP RES 1200 OHM 5 0402 Circuit Ref Motorola Part No Description R366 0613952R03 CER CHIP RES 12K OHM 5 0402 R367 0613952N09 CER CHIP RES 12 1K OHM 1 0402 R368 0613952N01 CER CHIP RES 10 0K OHM 1 0402 R369 061...

Page 407: ... L106 L107 L108 L113 L117 L160 3 2 Q110 1 R104 R106 R107 R174 R108 R120 R171 R161 R173 R191 SH101 U101 9 8 16 1 C375 C320 C319 C322 C381 L309 L310 R309 R308 R310 R348 SH303 T301 3 4 6 T302 3 4 6 C324 C325 C323 FL301 L311 R351 R352 SH323 C521 PB501 PB502 VR440 C328 C391 C397 Q315 Q316 R326 R338 R300 R314 R316 R318 R319 R325 R327 R334 R335 RT300 RT301 VR300 C331 C396 C333 CR308 R342 R317 R336 C101 C...

Page 408: ...CR501 E101 F501 L112 R102 R329 SH304 VR439 C105 C174 C133 C135 C134 R109 R130 R131 R132 25 9 17 U102 1 C241 C246 C255 C281 C295 C372 C371 C373 C378 C242 C243 C250 C244 C245 C252 C254 CR241 CR242 CR243 CR251 L241 L251 L281 L242 M300 Q310 R330 R332 R110 R112 R111 R349 R242 R241 R244 R245 R251 R252 R254 R331 SH242 U241 10 20 1 11 C201 C264 C218 C223 C224 C231 C296 C298 C202 C265 C204 C206 C207 C208 C...

Page 409: ...6 8MHz UNSWB LOCK 5V DEMOD RESET J200 J200 18 J200 16 J200 17 J200 36 J200 40 J200 39 J200 37 J200 32 J200 33 J200 23 J200 38 J200 28 J200 22 J200 26 J200 34 J200 30 J200 19 J200 20 J200 4 J200 5 J200 6 J200 7 J200 8 J200 9 J200 10 J200 29 J200 15 J200 3 J200 24 J200 31 J200 25 J200 1 J200 11 J200 12 J200 2 J200 21 J200 27 J200 13 J200 14 J200 35 100pF C536 100pF C535 C533 100pF 100pF C537 C534 C5...

Page 410: ...9 0 C318 11pF C317 7 5pF T301 4 6 3 1 2 XFMR TP302 T302 XFMR 4 6 3 1 2 C320 C319 7 5pF 3 6pF 16 28nH L309 R348 3 6K R336 C333 R5 NU NU 33K R327 R316 91K Q315 1 3 2 18K R318 R319 150 C396 NU R300 2 2K 0 47pF C397 1 33 0K RT300 2 R334 Q316 1 3 2 VR300 R326 NU NU NU NU R325 6 8K R338 R335 RT301 2 1 C391 NU NU NU NU R5 C370 100pF R330 RSSI RX_INJ NU R331 C372 Q310 1 3 2 C371 100pF C386 NU NU NU NU 0 R...

Page 411: ... C326 01uF Q302 R351 0 3 3K R352 12K R315 680nH L330 01uF C325 C323 150pF 20pF C324 750nH L311 GND2 4 GND3 5 OUT 3 IN 6 TBD XTAL FL301 GND 1 GND1 2 IF 10uF C382 C348 0 1uF 0 1uF C329 2 20uH L331 R343 10 0 1uF C344 Vdd_FILTERED SOURCE C343 0 22uF 0 1uF C347 0 1uF C346 Vdda 022uF C334 DB 0 1uF C359 1200pF C358 R344 12K C383 100pF 0 22uF C357 16 8MHz Vdd_FILTERED CLK DATA LVZIF_SEL C350 330pF C349 02...

Page 412: ...D SHIELD SH201 SHIELD SH202 L232 12uH 47K R204 CR203 C238 470pF 1 6pF C208 1 GND GND1 4 OUT 3 IN 6 FL201 75Z04 100pF C260 100pF C213 5V LOCK AUX4 AUX3 4 3K R255 30 R256 Q210 2 4 1 3 R5 16 8MHz 10K 47K 4 7K 47K 120 R232 620 R231 0 1uF C233 560 R233 C231 0 1uF C234 0 47uF C232 047uF TP202 1 MODOUT 100pF C277 2 2uF C278 4V_3 3V C279 2 2uF 100pF C220 GND 2 NC 4 3 ON_OFF VIN 1 VOUT 5 U248 LP2980 C294 1...

Page 413: ...1 18 15K R244 L243 RESONATOR 1 2 3 4 3pF C250 4 3pF C242 4 3pF C243 1 2 CR243 A1 A2 CR241 C241 100pF 22nH L242 390nH L241 CR242 R243 10K C244 3 6pF Rx_sw 1 3 2 Q241 BFQ67W 30 R248 L282 390nH C247 0 1uF C248 100pF R253 7 5K Tx_sw C253 1 5pF 100pF C251 CR251 20pF C252 390nH L251 C254 3 3pF R251 33 L253 RESONATOR 1 2 3 100pF C289 100pF C255 R252 270 R254 8 2K 1K R260 4 1 3 Q261 2 10K 47K 47K 4 7K 2 4...

Page 414: ...22uF C151 100pF C161 0 1uF 200 R161 100pF C130 C128 022uF 390nH L112 R108 5 6K L160 15 0nH 56pF C160 022uF C152 UNSWB 33pF C116 C117 30pF 11 03nH L109 4 22nH L108 10 R106 100pF C115 C118 30pF C125 100pF 100pF C295 300 R112 R110 300 20 R111 R107 TX_INJ_1 TX_INJ NU Microstrip Microstrip 1 2 3 C111 11pF C112 47pF L107 33 47nH 0 1 R102 C113 10pF BEAD E101 C114 100pF C123 10uF 200 R172 0 1uF C172 Q110 ...

Page 415: ...C260 2113743N50 100pF C263 2113743N02 0 75 pF Circuit Ref Motorola Part No Description C264 2113743N50 100pF C271 2113743N03 1 0 PF C272 2113743N04 1 1pF C273 2113743M24 0 1uF C276 2104993J02 2 2uF C277 2113743N50 100pF C278 2311049A09 2 2 uF C279 2104993J02 2 2uF C281 2113743N50 100pF C285 2113743N50 100pF C286 2113743M24 0 1uF C289 2113743N50 100pF C291 2311049A69 10 0 uF C292 2113743M24 0 1uF C...

Page 416: ...0662057N15 47K R106 0662057M26 10 R108 0662057M92 5 6K R109 0662057N30 200K R110 0662057M61 300 R112 0662057M61 300 R120 0662057N14 43K R130 0662057M98 10K R131 0662057N05 18K R132 0662057N33 270K R136 0662057N47 1M Circuit Ref Motorola Part No Description R161 0662057M57 200 R170 0662057A34 240 R171 0662057N14 43K R172 0662057A32 200 R173 0662057N29 180K R175 0662057B59 3 R176 0662057B59 3 R191 0...

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Motorola GP-688, Detailed Service Manual

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