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Radio Disassembly — Detailed

4-9

5.

The keypad/option board, and the keypad, can be removed without the use of tools.

6.4

Speaker, Microphone, and Wire Disassembly

1.

Using a screwdriver, push down on the portion of the speaker retainer bracket pointing toward
the bottom of the radio. Then, remove the retainer by slightly pushing it toward the top of the
radio until you slide it past the front cover slot.

2.

Pull the rubber microphone boot from its seated position. Unless you are replacing the micro-
phone, leave it in the boot.

Figure 4-7 Removing the Keypad Retainer and Other Boards from the Radio Housing

NOTE

At this point, the Option Board Installation Procedure should be performed, if necessary.

NOTE

The speaker is held in place with a two-legged retainer bracket. The bracket legs are
secured by the front cover slots. Be careful not to damage the speaker when removing the
retainer bracket.

Jumper Flex

Keypad

Radio Housing

Keypad/Option Board

Retainer

Wire Assembly

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Содержание GP88s

Страница 1: ...November 2003 GP88s Portable Radio Service Manual 6804111J47 D ...

Страница 2: ... 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 prod ucts shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the copy...

Страница 3: ...ory iii Document History The following major changes have been implemented in this manual since the previous edition Edition Description Date 6804111J47 D Updated the mechanical parts list and exploded view Nov 2003 ...

Страница 4: ...iv Document History THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 5: ...ser safety booklet includes useful information about RF exposure and helpful instructions on how to control your RF exposure Your Motorola two way radio is designed and tested to comply with a number of national and international standards and guidelines listed below regarding human exposure to radio frequency electromagnetic energy This radio complies with the IEEE FCC and ICNIRP exposure limits ...

Страница 6: ...torola approved accessories may result in exposure levels which exceed the FCC s occupational controlled environment RF exposure lim its If you are not using a body worn accessory and are not using the radio in the intended use posi tion in front of the face ensure the antenna and the radio are kept one inch 2 5 centimeters from the body when transmitting Keeping the radio at a proper distance is ...

Страница 7: ...e any reason to suspect that interference is taking place Hearing Aids Some digital wireless radios may interfere with some hearing aids In the event of such interference you may want to consult your hearing aid manufacturer to discuss alternatives Other Medical Devices If you use any other personal medical device consult the manufacturer of your device to determine if it is adequately shielded fr...

Страница 8: ...nts of the vehicle Potentially Explosive Atmospheres Turn off your radio prior to entering any area with a potentially explosive atmosphere unless it is a portable radio type especially qualiﬁed for use in such areas as Intrinsically Safe for example Factory Mutual CSA UL or CENELEC Do not remove install or charge batteries in such areas Sparks in a potentially explosive atmosphere can cause an ex...

Страница 9: ...esult Do not operate an FMRC Approved product in a hazardous atmosphere if it has been physically damaged for example cracked housing An explosion or ﬁre may result Do not replace or charge batteries in a hazardous atmosphere Contact sparking may occur while installing or removing batteries and cause an explosion or ﬁre Do not replace or change accessories in a hazardous atmosphere Contact sparkin...

Страница 10: ...rer with an FM Approval label in place FMRC Approval labels shall not be stocked by the repair facility An FMRC Approval label shall be ordered from the original manufacturer as needed to repair a speciﬁc unit Replacement labels may be obtained and applied by the repair facility provided there is satisfactory evidence that the unit being relabeled was originally an FMRC Approved unit Veriﬁcation m...

Страница 11: ...0 Chargers 2 1 4 0 Batteries 2 1 5 0 Adaptors 2 1 6 0 Audio Accessories 2 2 7 0 Option Boards 2 2 8 0 Manuals 2 2 9 0 Retrofit Kit 2 2 10 0 Service Kits 2 2 Section 3 Service Aids 1 0 Recommended Test Tools 3 1 2 0 Service Aids 3 2 3 0 Test Equipment 3 3 4 0 Programming Test Cable 3 4 Section 4 Maintenance 1 0 Introduction 4 1 2 0 Preventive Maintenance 4 1 2 1 Inspection 4 1 2 2 Cleaning Procedur...

Страница 12: ... 4 13 8 1 Configuring the Radio after Option Board Installation 4 15 8 2 Additional Configuration required by the DTMF Option Board 4 16 9 0 Mechanical View and Parts List 4 17 9 1 GP88s Exploded View and Parts List 4 17 Section 5 Transceiver Performance Testing 1 0 Introduction 5 1 2 0 Setup 5 1 3 0 Test Mode 5 2 3 1 RF Test Mode 5 2 Section 6 Radio Tuning And Programming 1 0 Introduction 6 1 2 0...

Страница 13: ...And Schematic Diagram 8 3 Keypad Board Top and Bottom View PCB No 8485642Z01 8 3 Keypad Board Schematic Diagram 8 4 Section 9A Model Chart and Test Specifications 403 470 MHz 1 0 Model Chart 9A 1 2 0 Specifications 9A 2 3 0 Transmitter 9A 3 3 1 General 9A 3 4 0 Receiver 9A 5 4 1 Receiver Front End 9A 5 4 2 Receiver Back End 9A 6 4 3 Automatic Gain Control Circuit 9A 7 5 0 Frequency Generation Circ...

Страница 14: ...Z06 9A 39 UHF Controls And Switches Schematic Diagram 9A 40 UHF Receiver Front End Schematic Diagram 9A 41 UHF Receiver Back End Schematic Diagram 9A 42 UHF Synthesizer Schematic Diagram 9A 43 UHF Voltage Controlled Oscillator Schematic Diagram 9A 44 UHF Transmitter Schematic Diagram 9A 45 UHF Harmonic Filter Schematic Diagram 9A 46 UHF Radio Parts List 9A 47 10 0 Troubleshooting charts 9A 51 Trou...

Страница 15: ...age Controlled Oscillator Schematic Diagram 9B 30 VHF Transmitter Schematic Diagram 9B 31 VHF Radio Parts List 9B 32 9 0 Circuit Board Schematic Diagrams and Parts List 9B 36 VHF 136 174MHz Main Board Top Side PCB No 8480675Z04 9B 36 VHF 136 174MHz Main Board Bottom Side PCB No 8480675Z04 9B 37 VHF Controls And Switches Schematic Diagram 9B 38 VHF Receiver Front End Schematic Diagram 9B 39 VHF Rec...

Страница 16: ...xvi 4 0 Parts List for Speaker Mic Assembly 0104008J99 10 2 Glossary of Terms G 1 ...

Страница 17: ...and the following notes 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 an...

Страница 18: ... 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 Depot only If a parts list is not included this generally means that no user serviceable parts are available for that kit or assembly All orders for parts information should include the complete Motorola identification number All part orders shoul...

Страница 19: ...s serial number Toll Free Non Toll Free Country or Territory Number China 800 810 0976 Indonesia 0800 1 686868 Malaysia 1800 801687 Philippines 1800 16510271 Singapore 1800 4855333 Thailand 1800 225412 Country or Territory Number China 86 10 6843 8231 Hong Kong SAR 852 2966 4188 India 91 80 658 7677 7678 Indonesia 62 21 251 3050 Korea 822 3466 5401 Malaysia 603 7803 9922 Philippines 63 2 810 0762 ...

Страница 20: ... protocols and physical packages The example below shows one portable radio model number and its specific characteristics Table 1 1 Radio Model Number Example AZH34KDC9AA3 Type of Unit Model Series Freq Band Power Level Physical Packages Channel Spacing Protocol Feature Level AZ H 34 K VHF 136 174 MHz D 4 5W C GP88s 9 Programma ble AA Conventional 3 GP88s R UHF 403 470 MHz H Portable AZ Country Co...

Страница 21: ... 155 174 MHz PMAE4002A UHF 9cm Antenna 403 433 MHz Stubby PMAE4003A UHF 9cm Helical Antenna 430 470 MHz NAE6483AR UHF Whip Antenna 403 470 MHz 2 0 Carrying Accessories HLN9714A Spring Belt Clip Large for 2 belt width HLN9844A Spring Belt Clip Medium for 1 5 belt width 4285631Z01 Lanyard 3 0 Chargers PMTN4034A Charger Single Unit Pocket only 4 0 Batteries PMNN4017A AA NiMH Battery Black PMNN4020A A...

Страница 22: ...Option Boards RLN4855A DTMF Decode Option Board 8 0 Manuals 6804111J46 GP88s User Guide 6804111J47 GP88s Service Manual 6804111J48 GP88s Selling Guide PMLN4357A GP88s Product Manual 9 0 Retrofit Kit PMLN4352A GP88s Keypad Retrofit Kit 10 0 Service Kits PMKN4004 Programming Test Cable PMKN4003 Cloning Cable 0180305H20 Battery Eliminator 8180384J58 Housing Eliminator PMVN4047 Customer Programmable S...

Страница 23: ...ing glass with lens attachment For 0180382A31 portable desoldering unit 0180386A82 6684253C72 6680384A98 1010041A86 1080370B43 Anti static grounding kit Straight prober Brush Solder RMA type 63 37 0 020 diameter 1 lb spool RMA liquid flux Used during all radio assembly and disassem bly procedures R 1070A or R 1319A Shields and surface mounted component IC removal rework station order all heat focu...

Страница 24: ...ware Software on CD Rom Program customer option and channel data PMKN4004A Programming Cable Test Cable Connects radio to RIB RLN4008B PMKN4003A Radio to Radio Cloning Cable Allows a radio to be duplicated from a master radio by transferring programmed data from the master radio to the other RLN4008B Radio Interface Box Enables communications between the radio and the computer s serial communicati...

Страница 25: ...easurements S1100 Audio Oscillator 67 to 200Hz tones Used with service monitor for injection of PL tones S1053 SKN6009 SKN6001 AC Voltmeter Power Cable for meter Test leads for meter 1 mV to 300 V 10 Megohm input impedance Audio voltage measure ments R1053 Dual trace Oscillo scope 20 MHz bandwidth 5 mV cm 20 V cm Waveform measurements S1350 ST1215 VHF ST1223 UHF T1013 Wattmeter Plug in Elements VH...

Страница 26: ...POSITION FEMALE CONNECTOR P2 P3 36 0 CABLE P1 36 0 CABLE P2 25 ways Female D Connector Components molded inside 1 5 24 7 20 8 15 16 9 47 ohm 33K 1UF 16V 5 Orange Blue White Spiral Yellow P1 2 5mm stereo and 3 5mm 1 2 5 3 4 3 5mm Tip Speaker 3 5mm Sleeve 2 5mm Tip Microphone 2 5mm 2 5mm Center P3 25 ways Male D 1 15 4 11 1 2 3 4 5 3 5mm mono 2 5mm stereo ...

Страница 27: ...Programming Test Cable 3 5 Figure 3 3 Front end Filter Tuning Using 3rd Battery Contact Figure 3 4 Battery Terminals For front end tuning use only ...

Страница 28: ...3 6 Programming Test Cable THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 29: ...e the front cover housing assembly and battery case These surfaces should be cleaned whenever a periodic visual inspection reveals the presence of smudges grease and or grime The only recommended agent for cleaning the external radio surfaces is a 0 5 solution of a mild dishwashing detergent in water The only factory recommended liquid for cleaning the printed circuit boards and their components i...

Страница 30: ...an container to prevent contamination by dissolved material from previous usage CAUTION This radio contains static sensitive devices Do not open the radio unless you are properly grounded Take the following precautions when working on this unit Store and transport all CMOS devices in conductive material so that all exposed leads are shorted together Do not insert CMOS devices into conventional pla...

Страница 31: ...it can damage the material Therefore avoid excessive heat and excessive bending For parts replacement use the ST 1087 Temperature Controlled Solder Station with a 600 700 degree tip and use small diameter solder such as ST 633 The smaller size solder will melt faster and require less heat to be applied to the circuit To replace a component on a flexible circuit 1 Grasp with seizers hemostats the e...

Страница 32: ...urning on the vacuum pump Lower the focus head until it is approximately 1 8 0 3cm above the shield Turn on the heater and wait until the shield lifts off the circuit board Once the shield is off turn off the heat grab the part with a pair of tweezers and turn off the vacuum pump Remove the circuit board from the R 1070 s circuit board holder To replace the shield add solder to the shield if neces...

Страница 33: ...ragraph 6 4 PTT Disassembly Paragraph 6 5 Control Top Disassembly Paragraph 6 6 6 0 Radio Disassembly Detailed 6 1 Front Cover from Chassis Disassembly 1 Turn off the radio 2 Remove the battery a Pull down on the two battery release buttons b With the buttons pulled down the top of the battery will fall from the radio c Remove the battery from the radio 3 Remove the antenna Figure 4 1 Battery Remo...

Страница 34: ...the base of the radio releasing the two chassis base tabs 6 Lay the chassis down Rotate the front cover backward and slightly away from the chassis 7 Lift the latch on the main circuit board to release the jumper flex from its connector Figure 4 2 Knob Removal NOTE Both knobs slide on and off However they are supposed to fit very tightly on their shafts Figure 4 3 Chassis Removal CAUTION Marring t...

Страница 35: ...d to the chassis 1 Lift the main board from the chassis See Figure 4 5 Figure 4 4 Unlatch Flex Connectors Figure 4 5 Remove Main Board from Chassis CAUTION Refer to the CMOS CAUTION paragraph on page 2 before removing the main board Be sure to use ESD protection when handling circuit boards Latch Jumper Flex 4 Pin Connector Wire Assembly Main Board Radio Chassis O Ring Retaining Features Pos ...

Страница 36: ...e the keypad retainer shield a Insert the keypad retainer tool part number 6685707Z01 in the opening at the end of the keypad retainer arm tab b Pry the tab away from the side of the front cover until it moves past the ledges on the side wall Duplicate this procedure for each of the four retainer arm tabs 4 Note that the two top hooks are still held underneath the front cover right below the speak...

Страница 37: ...front cover slot 2 Pull the rubber microphone boot from its seated position Unless you are replacing the micro phone leave it in the boot Figure 4 7 Removing the Keypad Retainer and Other Boards from the Radio Housing NOTE At this point the Option Board Installation Procedure should be performed if necessary NOTE The speaker is held in place with a two legged retainer bracket The bracket legs are ...

Страница 38: ...river in between the bezel and side button 2 refer to Figure 4 9 b Insert the tip of a small screwdriver in between side button 2 and PTT button refer to Figure 4 9 c Pry the PTT bezel away from the radio housing d If required the PTT seal can be easily lifted from the bezel without the use of tools Figure 4 8 Removal Speaker Microphone Assembly Figure 4 9 PTT Removal Speaker Retainer Speaker Mic ...

Страница 39: ...Press the top escutcheon down uniformly 7 2 PTT Reassembly 1 Put the PTT seal in the PTT bezel 2 Place the bezel T tab in the T slot inside the front cover PTT opening Slightly slide down the bezel so that the two snaps can be aligned and inserted into the two rectangular slots 3 Press the PTT assembly against the front cover opening 7 3 Speaker Reassembly 1 Align the notch in the speaker at the s...

Страница 40: ...O ring to place it into the retaining pocket at the bottom end of the chassis 3 Replace the battery contact seal if necessary surrounding the battery contact 4 Place the main circuit board straight down on top of the chassis 5 Use the T6 TORX screwdriver to fasten the screws holding the main board to the chassis NOTE Pull the speaker microphone wire out of harm s way during reassembly Figure 4 10 ...

Страница 41: ...ver 5 Push the chassis assembly completely into the top of the front cover until it settles in place 6 Be sure the O ring is properly seated 7 Snap the bottom of the chassis into the front cover 8 Reassemble the knobs dust cover antenna and battery 8 0 Option Board Installation 1 With the keypad retainer removed the keypad board can be removed without the use of tools 2 Remove the jumper flex from...

Страница 42: ...nto the connector 6 Replace the retainer by placing the two top hooks into the slots below the speaker in the front cover then pivot the retainer into the front cover Ensure that all four tab arms snap correctly into the front cover 7 With the keypad option board and retainer correctly in place the front cover assembly can now be reassembled as described in Service Manual Figure 4 12 Changing the ...

Страница 43: ...x and proceed to the Option Board tab From the pull down menu choose the option board type that you just installed choose Simple Decoder for the DTMF option board 4 Open the Personality dialog box For every personality that you want the option board features to be acti vated click on the Option Board Feature check box of the Advanced tab Figure 4 13 Option Board tab of the Radio Configuration dial...

Страница 44: ... DTMF Option Board 1 In the Tree View window of your CPS expand the Signalling node Also expand the DTMF System node Open each of the DTMF System dialog boxes under this node and fill in the relevant information pertinant to your DTMF system Figure 4 15 DTMF System dialog box ...

Страница 45: ...Mechanical View and Parts List 4 17 9 0 Mechanical View and Parts List 9 1 GP88s Exploded View and Parts List Figure 4 16 GP88s Radio Exploded View ...

Страница 46: ...ad Board Assembly 16 4285609Z04 Retainer Plate 17 8480475Z03 Flex Keypad Controller 18 3585606Z01 Felt Speaker 19 5085738Z04 Speaker 20 1480577C01 Boot Microphone 21 5013920A04 Microphone 22 2113740A55 Cap 100pF 23 0980727Z01 Connector Wire 24 4285601Z01 Retainer Speaker 25 1485798Z01 Insulator Speaker 26 0304726J05 Screw 27 1586657Z01 Retainer Jack 28 1585815Z01 Shroud Jack 29 3980667Z01 Contact ...

Страница 47: ...connected from the battery eliminator The equipment required for alignment procedures is connected as shown in the Radio Alignment Test Setup diagram Initial equipment control settings should be as indicated in the following table and should hold for all alignment procedures except as noted in Table 5 1 Table 5 1 Initial Equipment Control Settings Service Monitor Test Set Power Supply Monitor Mode...

Страница 48: ...ress of SB2 will scroll through to the next channel spacing and a corresponding set of tones will be sounded Pressing SB1 will scroll through and access test environments as shown in Table 5 2 Pressing SB2 for 3 seconds will switch the radio to the Control Head Test mode where button test is activated Any button pressed will generate tone Pressing SB2 for 3 seconds in the Control Head Test mode wi...

Страница 49: ...wer 9 High Power TX 2 or 9 RX 2 or 9 142 325 142 325 415 025 415 025 3 Low Power 10 High Power TX 3 or 10 RX 3 or 10 148 625 148 625 425 025 425 025 4 Low Power 11 High Power TX 4 or 11 RX 4 or 11 154 925 154 925 436 025 436 025 5 Low Power 12 High Power TX 5 or 12 RX 5 or 12 161 225 161 225 449 025 449 025 6 Low Power 13 High Power TX 6 or 13 RX 6 or 13 167 525 167 525 460 025 460 025 7 Low Power...

Страница 50: ...M AC Volts TEST MODE Test Channel 4 carrier squelch PTT to OFF center meter selector to Audio PA Set volume control to 3 16Vrms Distortion As above except to distor tion As above As above Distortion 3 0 Sensitivity SINAD As above except SINAD lower the RF level for 12dB SINAD As above PTT to OFF center RF input to be 0 35µ Noise Squelch Threshold RF level set to 1mV RF As above PTT to OFF center m...

Страница 51: ...ut level for 0 025Vrms at test set 80mVrms at AC DC test set jack As above As above meter selector to mic Deviation VHF UHF 4 0 kHz but 5 0 kHz 25 kHz Ch Sp Voice Modulation internal Mode PWR MON 4th channel test frequency atten to 70 input to RF In Out TEST MODE Test Channel 4 carrier squelch out put at antenna Remove modu lation input Press PTT switch on radio Say four loudly into the radio mic ...

Страница 52: ...5 6 Test Mode THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 53: ...t Both these software will essentially cover all the functions of the traditional Radio Service Software RSS package They are available in separate kits as shown in the table below An Installation instruction manual is contained within each kit Description Kit Number Customer Programmable Software Diskette PMVN4047 Customer Programmable Software CD Rom PMVN4048 Tuner Installation Kit Disk PMVN4029...

Страница 54: ... as shown in figure below Refer to online help files for the tuning procedures Figure 6 1 Radio Tuning Setup Service Monitor or Counter Wattmeter Audio Generator Sinad Meter AC Voltmeter 30 dB Pad 30 dB Pad Battery Eliminator Power Supply Audio In Tx Rx Receive Transmit RF Generator BNC RF Adaptor HLN9756B RIB RLN 4008B RIB Power Supply RLN4460A Test Box Rx Gnd Data Tx Data Radio Computer Interfac...

Страница 55: ... process Unique IDs may be assigned with the CPS Unsuccessful cloning attempts will not damage the radio Procedure 1 Turn source and target radios off 2 Connect cloning cable to side connector of both radios 3 Turn on target radio 4 On source radio simultaneously press side buttons 1 and 2 then turn radio on Both radios pro duce a clone entry tone and turn on their green LEDs 5 Release both side b...

Страница 56: ...6 4 Cloning Information THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 57: ... Vdda from 3 3V Vdda regulator will then supply the microprocessor Data is then sent to ASFIC_CMP to turn on GCB4 DAC GCB4 will take over the momentary on path within 12ms SWB will continue to support the whole board until the radio is turned off Figure 7 1 DC Power Distribution Block Diagram Control On Off Switch SWB Fuse Low Battery Detect Ant SW PCIC ALC PA Driver 7 5V Audio PA Vddd Reg 5V ASFI...

Страница 58: ... and audio architectures The digital portion consists of a special Motorola microcontroller HC11FL0 The audio power amplifier Audio PA and audio signalling filter companding IC ASFIC_CMP form the backbone of the audio signalling architecture Figure 7 2 Controller Block Diagram Internal Microphone External Speaker Internal Speaker SCI to Side Connector Audio PA Audio Signalling Architecture To Synt...

Страница 59: ...re available for various application software ModB Vstby Supply Under various conditions the supply to the ModB Vstby would vary Table 7 1 shows these conditions and circuits in operation Table 7 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 Q416 is switched on U410 supplies 3 2V to ModB Vstby Pr...

Страница 60: ...7 4 Controller Board THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 61: ...OW URX_SND KEYPAD_COL Interface D7 FLASH_EN FLASH_OE RAM_CS R_W Vddd XA18 A17 A2 A3 A4 A5 A6 A7 A8 A9 D0 D1 D2 D3 D4 D5 D6 A0 A1 A10 A11 A12 A13 A14 A15 A16 Memory FLASH_OE RAM_CS FLASH_EN R_W Vddd XA18 RTA3 R_W SB1 SB2 SCI SQ_DET SWB SYN UNSWB VOL VOX Vddd XA18 MISO OFF_BATT_DATA_OUT OPT_ENA PE2 PG0 PI1 PJ6 PTT PTT_MIC RAM_CS RDY RESET RSSI RTA0 RTA1 RTA2 D7 DATA EE_CS F1200 FLASH_EN FLASH_OE FLA...

Страница 62: ...Q405 2 4 1 3 C402 0 1uF C403 10uF 3 1 2 Q400 75K R406 UNSWB 10K R427 5 3 1 2 4 CR412 BATT_CODE 27 36 32 33 26 25 28 31 30 29 35 34 C416 0 1uF SYN F1200 TX_AUD_RTN 16 8MHz RED_LED C419 NU DATA CLK CSX CHACT SQ_DET LSIO HSIO EXT_SPKR_SEL AUDIO_PA_ENA GREEN_LED Vddd BATT_DATA_IN OFF_BATT_DATA_OUT R476 24K OUTPUT SENSE SHUTDOWN VTAP ERROR FEEDBACK GND INPUT LP2951ACMM 3 3 U400 4 1 2 6 5 3 7 8 C400 01u...

Страница 63: ...56 70 10 11 9 21 15 8 7 14 27 26 25 24 23 22 29 28 30 31 32 33 34 35 36 37 46 45 44 43 42 41 38 47 16 20 19 17 18 5 6 97 98 99 100 1 2 3 79 80 81 82 83 84 85 86 93 91 12 92 69 68 90 95 39 88 59 C431 100pF 100pF C449 C453 100pF C423 100pF R411 10K 100pF C456 NU C493 KEY_INT RESET R_W RTA0 RTA2 RTA3 SB1 SB2 PJ6 OFF_BATT_DATA_OUT RTA1 PE2 VOL RSSI VOX KEYPAD_COL KEYPAD_ROW PTT_MIC OPT_ENA LOCK PI1 PT...

Страница 64: ...CE EN_OE EN_WE VCC FLASH_EN U406 AT49BV020 8 30 32 7 0 R492 NU R408 XA18 C429 0 1uF 100K R410 FLASH_OE 2 2 R428 C424 10uF VSS 14 WE OE CS 27 22 20 D0 D1 D2 D3 D4 D5 D6 D7 D2 D3 D4 D5 D6 D7 D8 D1 RAM 12 13 15 16 17 18 19 11 A4 A5 A6 A7 A8 A9 A1 A10 A11 A12 A13 A14 A2 A3 A0 VDD 28 U405 SRM2B256 6 5 4 3 25 24 9 21 23 2 26 1 8 7 10 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 RAM_CS C425 0 1uF 10...

Страница 65: ...S 14 IN2NEG 15 IN2POS 4 R471 5 6K R434 NU R438 5V Vdda SWB 0 2K R435 100K R496 100K R439 R436 180K Q420 C440 4 7uF C486 1000pF C488 1000pF 100K Q421 R495 PTT_MIC Vddd 470pF C473 390nH L400 MIC Speaker Mic Connector MIC_LINE SPP SPN 10 0 1uF R473 C442 100pF C472 C471 100pF 100pF C470 100pF C485 100pF C483 100pF C484 4 1 J402 3 3 J402 4 J402 1 J402 2 2 GND INT_MIC INT_SPN SPP J402 INT_SPN INT_MIC 10...

Страница 66: ...31 26 6 7 21 19 20 39 3 15 16 34 35 2 18 25 38 24 10 5 9 29 36 37 28 8 22 23 1 27 13 14 32 33 J400 4 J400 17 J400 40 J400 12 J400 30 J400 31 J400 11 J400 26 J400 7 J400 21 J400 6 J400 19 J400 20 J400 39 J400 3 J400 16 J400 35 J400 15 J400 18 J400 34 J400 38 J400 2 J400 24 J400 25 J400 10 J400 5 J400 29 J400 37 J400 9 J400 36 J400 28 J400 8 J400 22 J400 23 J400 1 J400 27 J400 14 J400 33 J400 13 J40...

Страница 67: ...A6 A7 A8 A9 D0 D1 D2 D3 D4 D5 D6 A0 A1 A10 A11 A12 A13 A14 A15 A16 Memory FLASH_OE RAM_CS FLASH_EN R_W Vddd XA18 RTA3 R_W SB1 SB2 SCI SQ_DET SWB SYN UNSWB VOL VOX Vddd XA18 MISO OFF_BATT_DATA_OUT OPT_ENA PE2 PG0 PI1 PJ6 PTT PTT_MIC RAM_CS RDY RESET RSSI RTA0 RTA1 RTA2 D7 DATA EE_CS F1200 FLASH_EN FLASH_OE FLAT_SW HSIO KEYPAD_COL KEYPAD_ROW KEY_INT LCD_SEL LOCK LSIO LVZIF_SEL MECH_SWB A6 A7 A8 A9 B...

Страница 68: ... SYN F1200 TX_AUD_RTN 16 8MHz RED_LED C419 NU DATA CLK CSX CHACT SQ_DET LSIO HSIO EXT_SPKR_SEL AUDIO_PA_ENA GREEN_LED Vddd BATT_DATA_IN OFF_BATT_DATA_OUT R476 24K OUTPUT SENSE SHUTDOWN VTAP ERROR FEEDBACK GND INPUT LP2951ACMM 3 3 U400 4 1 2 6 5 3 7 8 C400 01uF 4V_3 3V NU R402 0 R405 SWB Vddd MIC_LINE TP406 1 C401 0 1uF 0 R401 0 1uF C410 TP410 1 C408 100pF 0 1uF C409 0 R475 Vdda RESET C411 0 1uF C4...

Страница 69: ... 9 21 15 8 7 14 27 26 25 24 23 22 29 28 30 31 32 33 34 35 36 37 46 45 44 43 42 41 38 47 16 20 19 17 18 5 6 97 98 99 100 1 2 3 79 80 81 82 83 84 85 86 93 91 12 92 69 68 90 95 39 88 59 C431 100pF 100pF C449 C453 100pF C423 100pF R411 10K 100pF C456 NU C493 KEY_INT RESET R_W RTA0 RTA2 RTA3 SB1 SB2 PJ6 OFF_BATT_DATA_OUT RTA1 PE2 VOL RSSI VOX KEYPAD_COL KEYPAD_ROW PTT_MIC OPT_ENA LOCK PI1 PTT A4 A3 A2 ...

Страница 70: ...8 EN_CE EN_OE EN_WE VCC FLASH_EN U406 AT49BV020 8 30 32 7 2 NU R408 XA18 C429 0 1uF 100K R410 FLASH_OE 2 2 R428 C424 10uF VSS 14 WE OE CS 27 22 20 D0 D1 D2 D3 D4 D5 D6 D7 D2 D3 D4 D5 D6 D7 D8 D1 RAM 12 13 15 16 17 18 19 11 A4 A5 A6 A7 A8 A9 A1 A10 A11 A12 A13 A14 A2 A3 A0 VDD 28 U405 SRM2B256 6 5 4 3 25 24 9 21 23 2 26 1 8 7 10 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 RAM_CS C425 0 1uF 10...

Страница 71: ...POS 14 IN2NEG 15 IN2POS 4 R471 5 6K R434 NU R438 5V Vdda SWB 0 2K R435 100K R496 100K R439 R436 47K UHF 180K VHF Q420 C440 4 7uF C486 NU C488 NU 100K Q421 R495 PTT_MIC Vddd 470pF C473 390nH L400 MIC Speaker Mic Connector MIC_LINE SPP SPN 10 0 1uF R473 C442 100pF C472 C471 100pF 100pF UHF NU VHF C470 100pF C485 100pF C483 100pF C484 4 1 J402 3 3 J402 4 J402 1 J402 2 2 GND INT_MIC INT_SPN SPP J402 I...

Страница 72: ...31 26 6 7 21 19 20 39 3 15 16 34 35 2 18 25 38 24 10 5 9 29 36 37 28 8 22 23 1 27 13 14 32 33 J400 4 J400 17 J400 40 J400 12 J400 30 J400 31 J400 11 J400 26 J400 7 J400 21 J400 6 J400 19 J400 20 J400 39 J400 3 J400 16 J400 35 J400 15 J400 18 J400 34 J400 38 J400 2 J400 24 J400 25 J400 10 J400 5 J400 29 J400 37 J400 9 J400 36 J400 28 J400 8 J400 22 J400 23 J400 1 J400 27 J400 14 J400 33 J400 13 J40...

Страница 73: ...ut KEY_INT telling it that a key has been pressed The microprocessor will then sample 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 2 0 Troubleshooting Chart Figure 8 2 Keypad Board Troubleshooting Chart Figure 8 1 Keypad Block Diagram 40 pin connector Comparator Keypad Button 9 pin connector Key_Int Key...

Страница 74: ...00pF C614 2113740F51 100pF C615 2113740F51 100pF C616 2113740F51 100pF J600 0985627Z01 11 pin connector J601 0980521Z01 44 pin connector R618 0660076E90 51K R619 0660076E90 51K R621 0662057P15 13K R622 0660079J37 22K R623 0660079J72 43K R624 0662057G19 130K R627 0662057P15 13K R628 0660079J37 22K R629 0660079J72 43K R630 0662057G19 130K R634 0660076E90 51K R635 0662057B16 560K R636 0662057B22 1Meg...

Страница 75: ...M616 M617 M619 M620 M618 M621 M612 M615 TP14 TP15 TP16 M606 M623 TP7 TP8 TP9 GP88S002 A R619 C607 1 9 J600 C603 C609 C610 C611 C612 R618 R621 R622 R627 R628 R629 R630 R634 R635 R636 U602 R623 R624 C606 C614 C615 C616 C613 J601 2 39 40 ZMY0130326 A Keypad Board Top and Bottom View PCB No 8485642Z01 Top View Bottom View ...

Страница 76: ...51K R619 43K R623 ROW2 ROW3 ROW4 R634 51K 560K R635 4 3 1 2 5 U602 LMC7211 1MEG R636 100pF C609 100pF C610 100pF C611 10uF C612 Vddd KEY_INT COL2 COL3 Vddd COL4 130K R624 130K R630 COL5 ROW5 GND 3 IN 4 OUT1 1 OUT2 2 SWITCH M619 COL2 KEYPAD_COL GND 3 IN 4 OUT1 1 OUT2 2 M616 SWITCH 7 GND 3 IN 4 OUT1 1 OUT2 2 SWITCH M613 4 GND 3 4 IN OUT1 1 OUT2 2 M610 SWITCH 1 IN 4 OUT1 1 OUT2 2 M604 SWITCH GND 3 CO...

Страница 77: ...ion X PMUE1542 GP88s Super Tanapa 403 470 MHz 4W X PMUE1543 GP88s Tanapa 403 470 MHz 4W X PMLE4173 GP88s B C Kit 403 470 MHz 4W X PMLN4343 GP88s Front Housing Kit X PMAE4002A Antenna 403 433 MHz Stubby X PMAE4003A Antenna 430 470 MHz Helical X NAE6483AR Antenna 403 470 MHz Whip X 6804111J46 GP88s User Guide x Indicates one of each is required Motorola Depot Servicing only ...

Страница 78: ...nd TIA EIA 603 Vibration Meets MIL STD 810 C D E and TIA EIA 603 Dust Meets MIL STD 810 C D E and IP54 Humidity Meets MIL STD 810 C D E and TIA EIA 603 UHF RF Output NiMH 7 5V Low 1W High 4W Frequency 403 470 MHz Channel Spacing 12 5 20 25 kHz Freq Stability 30 C to 60 C 0 00025 Spurs Harmonics 36 dBm 1 GHz 30 dBm 1 GHz Audio Response from 6 dB oct Pre Emphasis 300 to 3000Hz 1 3 dB Audio Distortio...

Страница 79: ...of 7 3V This RF power amplifier is capable of supplying an output power of 0 3W pin 6 and 7 with an input signal of 2mW 3dBm pin16 The current drain would typically be 160mA while operating in the frequency range of 403 470MHz The PRF1507 LDMOS PA is capable of supplying an output power of 7W with an input signal of 0 3W The current drain would typically be 1300mA while operating in the frequency ...

Страница 80: ... and C141 is used to match the antenna s impedance to the harmonic filter This will optimize the performance of the transmitter and receiver into an antenna 3 1 5 Power Control Integrated Circuit PCIC The transmitter uses the Power Control IC PCIC U102 to regulate the power output of the radio The current to the final stage of the power module is supplied through R102 0 075 ohm which provides a vo...

Страница 81: ...essor 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 amplifier transistor Q301 via C307 After being amplified by the RF amplifier the RF signal is further filtered by a second varactor tu...

Страница 82: ...iltering 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 IF IC U301 synthesizes the second LO and phase locks the VCO to track the first IF frequenc...

Страница 83: ...5 is an NPN transistor used 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...

Страница 84: ...ynthesizer must interface with the logic and ASFIC circuitry Programming for the synthesizer is accomplished through the data clock and chip select lines from the microprocessor A 3 3V dc signal from synthesizer lock detect line indicates to the microprocessor that the synthesizer is locked Transmit modulation from the ASFIC is supplied to pin10 of U201 Internally the audio is digitized by the Fra...

Страница 85: ...uency is then locked by normal mode charge pump at pin 43 Both the normal and adapt charge pumps get their supply from the capacitive voltage multiplier which is made up of C258 C259 C228 triple diode CR201 and level shifters U210 and U211 Two 3 3V square waves 180 deg out of phase are first shifted to 5V then along with regulated 5V put through arrays of diodes and capacitors to build up 13 3V at...

Страница 86: ...ency comparison in the synthesizer a resultant CONTROL VOLTAGE is received at the VCO This voltage is a DC voltage between 3 5V and 9 5V when the PLL is locked on frequency 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 Swit...

Страница 87: ...c Diagram on page 9A 16 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 modulated ...

Страница 88: ...g 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 Ch...

Страница 89: ...6 L321 R333 R339 SH241 C251 C253 C289 1 3 L253 4 3 Q261 R260 C118 C120 C121 C127 C160 L115 L160 R105 R107 R108 1 16 8 9 U101 C122 C125 C129 C161 C165 C169 L113 L114 R161 C110 C112 C113 C114 C131 C166 L106 L107 SH101 C115 C116 C117 C119 C171 L108 R103 R104 R106 R120 R171 R173 1 2 3 Q110 C109 C111 C322 C381 L310 R308 R309 R310 SH303 6 4 3 T301 C319 C320 C375 L309 R348 6 4 3 T302 TP202 TP302 C323 C32...

Страница 90: ...C500 C522 CR501 L505 VR439 VR441 VR506 C201 C224 C231 C232 C234 R201 R202 R231 R232 R233 C202 C204 C219 C223 C263 C264 C293 C298 L261 SH202 1 37 25 13 U201 C206 C207 C208 C218 C265 CR203 R204 R281 4 3 U210 C258 C259 C296 4 3 U211 C252 C254 C255 CR251 L251 R251 R252 R254 11 1 20 10 U241 C281 C371 C372 C373 L281 Q310 R245 R330 R331 R332 R349 C295 C378 CR241 L242 R110 R111 R112 C241 C242 C243 C244 C2...

Страница 91: ...SWB 1000pF C500 100pF C503 BATT_CODE 6 8V VR506 L505 390nH B501 RSSI_FIL 2 NEG 1 POS 3 01uF C521 2 6 8V VR440 SB1 1 SWITCH PB501 6 8V VR444 2 PTT 1 SWITCH PB504 01uF C522 VR441 6 8V PB502 1 2 SWITCH SB2 1 S1 4 S2 2 S3 J407 SPN SPP ANT_BIAS MIC 5V 0 1uF C515 Q503 2 6 4 1 3 4 7K 47K 47K 10K 10K R510 C478 100pF 100pF C477 VR431 6 8V SCI 100pF C498 100pF C499 4700pF C446 C454 100pF C455 470pF C520 100...

Страница 92: ... R306 100K L306 13 9nH L307 13 9nH C316 3 9pF C313 10pF C311 27nH L305 13pF C312 C306 NU NU R303 4 3K C310 0 1uF Q301 1 3 2 R340 6 8K 0 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 0 R309 NU 47 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 C30...

Страница 93: ...FC BASE 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 33uF 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 ...

Страница 94: ...OUT 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 C204 100K R202 ...

Страница 95: ...42 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 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 4pF C245 C244 ...

Страница 96: ...34 1 6M L115 390nH 5 12 13 4 RFOUT1 RFOUT2 VCNTRL VD1 VG1 VG2 GND2 GND3 GND4 NC1 NC2 NC3 NC4 RFIN G2 GND1 U101 09Z67 1 14 8 9 10 15 16 11 6 7 2 3 C161 0 1uF 200 R161 C127 1000pF 022uF C128 390nH L112 100pF C130 UNSWB 100pF C160 10pF C120 C121 100pF 15 0nH L160 022uF C152 R108 5 6K R107 C151 100pF C150 022uF NU 300 R110 47K R104 R111 20 300 R112 C125 100pF C295 100pF TX_INJ TX_INJ_1 4 22nH L108 11 ...

Страница 97: ...A_CONTACT 9 75nH L116 C140 NU NU NU C141 C102 L101 6 8pF C103 15 22nH 1pF C143 2 7pF C142 15 22nH L102 5 6pF C104 CR101 15 22nH L104 C106 3 9pF C107 CR102 1 2 3 NU 43pF C144 240 240 R101 R170 SHIELD SH100 1 HF Shield ANT_BIAS L105 390nH 100pF C108 RX_IN TX_OUT ZMY0130313 O UHF Harmonic Filter Schematic Diagram ...

Страница 98: ...F C263 2113743N02 0 75pF C264 2113743N50 100pF C273 2113743M24 0 1uF Circuit Ref Motorola Part No Description 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 C289 2113743N50 100pF C291 2380737Z10 10 0uF C292 2113743M24 0 1uF C293 2113743A27 0 470uF C294 2113743N50 100pF C295 2113743N50 100pF C...

Страница 99: ...y Circuit Ref Motorola Part No Description CR440 4813833C02 Dual Diode Common Cathode CR501 4880107R01 Rectifier CR503 4805729G49 LED Red Yel E101 2484657R01 Ferrite Bead E400 2480640Z01 Ferrite Bead F501 6580542Z01 Fuse 3A FL201 4802245J49 Crystal 16 8MHz Clip FL301 4802245J43 XTAL Filter 45 1MHz H101 2680499Z01 Heat Spreader J101 0180117S05 RF Jack Assembly J104 3980686Z01 Antenna Contact J400 0...

Страница 100: ...K Circuit Ref Motorola Part No Description R463 0662057M61 300 R471 0662057M92 5 6K R472 0662057N12 36K R473 0662057M26 10 R475 0662057M01 0 R476 0662057N08 24K R478 0662057M98 10K R481 0662057N08 24K R492 0662057M01 0 R494 0662057M01 0 R495 0662057N23 100K R496 0662057N23 100K R498 0662057N23 100K R499 0662057M98 10K R501 0662057M70 680 R502 0662057M56 180 R505 0662057M98 10K R506 0662057N15 47K ...

Страница 101: ...C276 C253 C271 C272 L282 3 L243 1 L273 3 L253 1 L271 L321 Q261 3 4 Q241 R333 R339 R243 R248 R253 R260 SH241 C109 C110 C114 C118 C119 C121 C122 C125 C160 C165 C166 C171 C111 C112 C113 C115 C120 C116 C117 C161 C127 C131 C129 C169 L114 L115 L106 L107 L108 L113 L160 3 2 Q110 1 R103 R104 R175 R105 R106 R107 R108 R120 R171 R161 R173 R176 R177 SH101 U101 9 8 16 1 C325 R351 R352 SH323 PB504 C397 R300 VR44...

Страница 102: ...35 C134 R109 R130 R131 R132 R134 25 9 17 U102 1 C201 C264 C218 C223 C224 C231 C296 C298 C202 C204 C206 C207 C208 C219 C232 C234 C258 C259 C263 C265 C293 CR203 L261 R204 R281 R201 R202 R231R232 R233 SH202 13 25 37 1 U201 U210 3 4 U211 3 4 C431 C494 C435 C489 C433 CR414 Q418 3 R463 R414 R415 R460 51 U410 Q419 C434 R461 R462 R419 U409 76 1 C453 C456 C493 L411 R411 R457 R432 E400 L410 C449 C463 C486 C...

Страница 103: ...F C514 100pF PC0 1 PC1 2 PC2 PC3 SWITCH C0 C0 C1 C1 GND GND1 SWITCH S501 4 8 9 7 5V SWITCH 1 2 PB502 VR444 6 8V 01uF C522 VR441 6 8V C521 01uF 1 2 PB501 SWITCH PB504 SWITCH 1 2 6 8V VR440 SB1 PTT SB2 J407 S1 S2 S3 S4 M1 M2 M3 C525 C528 100pF C527 C526 1000pF 1000pF 100pF ANT_BIAS C509 C508 C501 100pF C477 100pF 1000pF 1000pF 1000pF C504 C478 100pF SCI C515 0 1uF C524 1000pF C523 100pF Q506 10K 47K...

Страница 104: ... CR308 2 3 100pF C395 L340 390nH R5 R5 1K R317 C331 100pF Q315 1 3 2 C333 R336 NU NU R316 91K C396 NU R318 18K 150 R319 33K R327 RT300 33 0K 2 1 R334 R326 R325 6 8K VR300 Q316 1 3 2 NU NU NU NU R335 8 2K R338 C391 0 1uF 33 0K RT301 2 1 R5 NU NU NU R300 2 2K C397 0 47uF RSSI SHIELD SH303 if 1 if 1 SHIELD SH304 SH302 SHIELD if 1 SH301 SHIELD if 1 C322 82pF R309 0 270 R310 150nH L310 47 R308 IF XFMR ...

Страница 105: ...1 2 5 4 8 TESTD 3 PRE_IN 6 EXTBS 10 11 EMIT 7 AFC 12 BASE 14 13 COL 0 33uF C355 022uF C356 C338 15pF Vdd_FILTERED 100pF C337 0 1uF C336 L314 2 2uH 0 1uF C328 R314 3K 330 R313 01uF C326 R5 Q302 R312 5 6K C330 10pF R311 30K C327 100pF L330 680nH 12K R315 DA RSSI 01uF C361 R352 3 3K C325 01uF 2 GND1 4 GND2 5 GND3 3 OUT 6 IN FL301 XTAL TBD 1 GND 0 R351 C324 20pF 750nH L311 150pF C323 IF 100pF C390 100...

Страница 106: ...7K 4 7K 10K AUX3 AUX4 TP201 1 47K R204 C213 100pF LOCK R233 560 0 1uF C231 620 R232 470pF C238 12uH L232 GND 1 4 GND1 3 OUT 6 IN 75Z04 FL201 C208 39pF C207 C206 330pF CR203 R281 NU NU if SH201 SHIELD 1 SYNTHESIZER TOP SHIELD 1 if SH202 SHIELD SYNTHESIZER BOTTOM SHIELD DATA CSX CLK MODIN C212 100pF C214 100pF C210 100pF 100pF C211 L261 39nH 100pF C264 PRESC C263 0 75pF 82K R201 R202 100K VSF C204 2...

Страница 107: ...1K R260 DD AUX4 2 1 3 4 Q261 AUX3 5V DUMMY VCO TOP SHIELD VCO BOTTOM SHIELD if SH241 SHIELD 1 if SH242 SHIELD 1 C297 01uF 1 3 2 4 Q260 C272 C271 NU NU C246 100pF 18 R241 C285 100pF 200 R242 RESONATOR L243 3 C250 7 5pF 1 2 C242 7 5pF C243 7 5pF C245 2 4pF 10K R243 Rx_sw 2pF C244 CR243 VSF 12K R244 1 3 2 BFQ67W Q241 390nH L282 30 R248 R253 7 5K Tx_sw 100pF C247 R254 7 5K 3 6pF C254 C248 0 1uF 10pF C...

Страница 108: ...NTRL 1 VD1 14 VG1 2 VG2 3 GND3 12 GND4 13 NC1 8 NC2 9 NC3 10 NC4 15 RFIN 16 RFOUT1 6 G2 11 GND1 4 GND2 5 30C65 U101 0 1uF C161 C152 022uF L113 5 6nH C131 022uF C169 5 6pF 100pF C166 R132 270K C129 7 5pF 390nH L114 1000pF C127 C165 100pF UNSWB FROM_RF 1000pF C133 L115 390nH C134 3300pF C135 022uF R134 1 6MEG R109 200K C174 100pF ANT_BIAS UNSWB DATA CLK CSX 100pF C105 100pF C122 4 1 3 Q111 2 6 10K 4...

Страница 109: ... C101 100pF L116 17 02nH 3 3pF C141 L101 15 22nH C102 2 7pF C142 NU 15 22nH L102 C104 5 6pF C103 6 8pF 1pF C143 100pF C108 ANT_BIAS 390nH L105 TX_OUT CR101 15 22nH L104 RX_IN C107 3 9pF C106 2 3 1 NU CR102 240 R101 240 R170 if SH100 SHIELD 1 43pF C144 A1 A2 A3 K1 K2 K3 CR160 ZMY0130313 C UHF Harmonic Filter Schematic Diagram ...

Страница 110: ...3N50 100pF C258 2113743L41 0 01uF C259 2113743L41 0 01uF C260 2113743N50 100pF C263 2113743N02 0 75pF C264 2113743N50 100pF Circuit Ref Motorola Part No Description C265 Not Placed C271 Not Placed C272 Not Placed C273 2113743M24 0 1uF C276 2104993J02 2 2uF C277 2113743N50 100pF C278 2311049A09 2 2uF C279 2104993J02 2 2uF C280 2311049A40 2 2uF C281 2113743N50 100pF C285 2113743N50 100pF C286 211374...

Страница 111: ...actor CR301 4862824C01 Varactor CR302 4862824C01 Varactor CR303 4880154K03 Dual Common Anode Cath ode CR304 4862824C01 Varactor CR305 4862824C01 Varactor CR306 4802245J42 Ring Quad Diode CR308 4802245J41 Pin Diode CR310 4862824C01 Varactor CR412 4802245J62 Schottky Diode CR413 4802245J62 Schottky Diode CR414 4802245J62 Schottky Diode CR440 4813833C02 Dual Diode Common Cathode CR501 4880107R01 Rect...

Страница 112: ...0662057M86 3 3K R355 0662057M01 0 R400 0662057N15 47K R401 0662057M01 0 R402 Not Placed R403 Not Placed R405 0662057M01 0 R406 0662057N20 75K R408 Not Placed R410 0662057N23 100K R411 0662057M98 10K R413 0662057M01 0 R414 0662057V34 180K R415 0662057V26 91K R416 0662057M98 10K R418 0662057M01 0 R419 0662057M90 4 7K R423 0662057N39 470K R425 0662057N10 30K R427 0662057M98 10K R428 0662057M10 2 2 R4...

Страница 113: ...2463J57 3 3V Regulator U420 5102463J44 Audio PA VR300 Not Placed VR431 4802245J73 6 8V Zener VR432 4880140L15 10V Zener VR433 4880140L15 10V Zener VR439 4880140L15 10V Zener VR440 4802245J73 6 8V Zener VR441 4802245J73 6 8V Zener VR444 4802245J73 6 8V Zener VR450 4802245J74 10V Zener VR451 4802245J74 10V Zener VR501 4813830A18 6 8V Zener VR506 4802245J73 6 8V Zener 1485777Z01 Insulator Kapton 8480...

Страница 114: ...L271 L273 L282 L321 Q241 4 3 Q261 R243 R248 R253 R260 R333 R339 SH241 C323 C324 C325 FL301 L311 R351 R352 SH323 VR444 TP202 TP302 C319 C320 C322 C375 C381 L309 L310 R308 R309 R310 R348 SH303 6 4 3 T301 6 4 3 T302 2 3 4 PB504 C328 C391 C397 Q315 Q316 R300 R314 R316 R318 R319 R325 R326 R327 R334 R335 R338 RT300 RT301 VR300 C331 C333 C396 CR308 R317 R336 R342 C110 C112 C114 C122 C125 C129 C131 C161 C...

Страница 115: ... C458 C459 C466 C473 L400 Q420 Q421 R434 R435 R436 R438 R439 R467 R495 R496 C447 R423 C329 C334 C336 C337 C339 C340 C341 C342 C343 C344 C345 C346 C347 C348 C355 C356 C357 C358 C359 C360 C361 C382 C383 C390 L314 L331 R343 R344 R350 SH322 1 37 25 13 U301 C306 C307 C309 C310 C311 C312 C313 C314 C315 C316 C317 C318 C321 C380 C395 CR303 CR304 CR305 L303 L304 L305 L306 L307 L340 Q301 R303 R304 R305 R306...

Страница 116: ...9 1000pF C520 1000pF 1000pF C509 1000pF 100pF C498 24V F501 3A 2 1 2 RSSI_FIL 1 NEG 3 POS DUMMY B501 Q505 C524 1000pF C523 100pF C526 1000pF 100pF C506 1000pF C507 VR440 6 8V 4 LOW HIGH 3 6 TAB1 7 TAB2 5 2 4 3 mgc_comps SWITCH S502 C499 100pF 1000pF C504 C508 100pF C501 1000pF C515 0 1uF R506 47K PC2 4 8 PC3 C0 C0 C1C1 GND 7 9 GND1 PC0 1 PC1 2 SWITCH S501 SWITCH 1 A1 3 A2 2 B1 4 B2 1 A1 3 A2 2 B1 ...

Страница 117: ... CR308 2 3 100pF C395 L340 390nH R5 R5 1K R317 C331 100pF Q315 1 3 2 C333 R336 NU NU R316 91K C396 NU R318 18K 150 R319 33K R327 RT300 33 0K 2 1 R334 R326 R325 6 8K VR300 Q316 1 3 2 NU NU NU NU R335 8 2K R338 C391 0 1uF 33 0K RT301 2 1 R5 NU NU NU R300 2 2K C397 0 47uF RSSI SHIELD SH303 if 1 if 1 SHIELD SH304 SH302 SHIELD if 1 SH301 SHIELD if 1 C322 82pF R309 0 270 R310 150nH L310 47 R308 IF XFMR ...

Страница 118: ...1 2 5 4 8 TESTD 3 PRE_IN 6 EXTBS 10 11 EMIT 7 AFC 12 BASE 14 13 COL 0 33uF C355 022uF C356 C338 15pF Vdd_FILTERED 100pF C337 0 1uF C336 L314 2 2uH 0 1uF C328 R314 3K 330 R313 01uF C326 R5 Q302 R312 5 6K C330 10pF R311 30K C327 100pF L330 680nH 12K R315 DA RSSI 01uF C361 R352 3 3K C325 01uF 2 GND1 4 GND2 5 GND3 3 OUT 6 IN FL301 XTAL TBD 1 GND 0 R351 C324 20pF 750nH L311 150pF C323 IF 100pF C390 100...

Страница 119: ...7K 4 7K 10K AUX3 AUX4 TP201 1 47K R204 C213 100pF LOCK R233 560 0 1uF C231 620 R232 470pF C238 12uH L232 GND 1 4 GND1 3 OUT 6 IN 75Z04 FL201 C208 39pF C207 C206 330pF CR203 R281 NU NU if SH201 SHIELD 1 SYNTHESIZER TOP SHIELD 1 if SH202 SHIELD SYNTHESIZER BOTTOM SHIELD DATA CSX CLK MODIN C212 100pF C214 100pF C210 100pF 100pF C211 L261 39nH 100pF C264 PRESC C263 0 75pF 82K R201 R202 100K VSF C204 2...

Страница 120: ...1K R260 DD AUX4 2 1 3 4 Q261 AUX3 5V DUMMY VCO TOP SHIELD VCO BOTTOM SHIELD if SH241 SHIELD 1 if SH242 SHIELD 1 C297 01uF 1 3 2 4 Q260 C272 C271 NU NU C246 100pF 18 R241 C285 100pF 200 R242 RESONATOR L243 3 C250 7 5pF 1 2 C242 7 5pF C243 7 5pF C245 2 4pF 10K R243 Rx_sw 2pF C244 CR243 VSF 12K R244 1 3 2 BFQ67W Q241 390nH L282 30 R248 R253 7 5K Tx_sw 100pF C247 R254 7 5K 3 6pF C254 C248 0 1uF 10pF C...

Страница 121: ...NTRL 1 VD1 14 VG1 2 VG2 3 GND3 12 GND4 13 NC1 8 NC2 9 NC3 10 NC4 15 RFIN 16 RFOUT1 6 G2 11 GND1 4 GND2 5 30C65 U101 0 1uF C161 C152 022uF L113 5 6nH C131 022uF C169 5 6pF 100pF C166 R132 270K C129 7 5pF 390nH L114 1000pF C127 C165 100pF UNSWB FROM_RF 1000pF C133 L115 390nH C134 3300pF C135 022uF R134 1 6MEG R109 200K C174 100pF ANT_BIAS UNSWB DATA CLK CSX 100pF C105 100pF C122 4 1 3 Q111 2 6 10K 4...

Страница 122: ... C101 100pF L116 17 02nH 3 3pF C141 L101 15 22nH C102 2 7pF C142 NU 15 22nH L102 C104 5 6pF C103 6 8pF 1pF C143 100pF C108 ANT_BIAS 390nH L105 TX_OUT CR101 15 22nH L104 RX_IN C107 3 9pF C106 2 3 1 NU CR102 240 R101 240 R170 if SH100 SHIELD 1 43pF C144 A1 A2 A3 K1 K2 K3 CR160 ZMY0130313 C UHF Harmonic Filter Schematic Diagram ...

Страница 123: ...3N50 100pF C258 2113743L41 0 01uF C259 2113743L41 0 01uF C260 2113743N50 100pF C263 2113743N02 0 75pF C264 2113743N50 100pF Circuit Ref Motorola Part No Description C265 Not Placed C271 Not Placed C272 Not Placed C273 2113743M24 0 1uF C276 2104993J02 2 2uF C277 2113743N50 100pF C278 2311049A09 2 2uF C279 2104993J02 2 2uF C280 2311049A40 2 2uF C281 2113743N50 100pF C285 2113743N50 100pF C286 211374...

Страница 124: ...r CR301 4862824C01 Varactor CR302 4862824C01 Varactor CR303 4880154K03 Dual Common Anode Cath ode CR304 4862824C01 Varactor CR305 4862824C01 Varactor CR306 4802245J42 Ring Quad Diode CR308 4802245J41 Pin Diode CR310 4862824C01 Varactor CR412 4802245J62 Schottky Diode CR413 4802245J62 Schottky Diode CR414 4802245J62 Schottky Diode CR440 4813833C02 Dual Diode Common Cathode CR501 4880107R01 Rectifie...

Страница 125: ...R400 0662057N15 47K R401 0662057M01 0 R402 Not Placed R403 Not Placed R405 0662057M01 0 R406 0662057N20 75K R408 Not Placed R410 0662057N23 100K R411 0662057M98 10K R413 0662057M01 0 R414 0662057V34 180K R415 0662057V26 91K R416 0662057M98 10K R418 0662057M01 0 R419 0662057M90 4 7K R423 0662057N39 470K R425 0662057N10 30K R427 0662057M98 10K R428 0662057M10 2 2 R429 0662057M98 10K R432 0662057N16 ...

Страница 126: ...gulator U420 5102463J44 Audio PA VR300 Not Placed VR431 4802245J73 6 8V Zener VR432 4880140L15 10V Zener VR433 4880140L15 10V Zener VR439 4880140L15 10V Zener VR440 4802245J73 6 8V Zener VR441 4802245J73 6 8V Zener VR444 4802245J73 6 8V Zener VR450 4802245J74 10V Zener VR451 4802245J74 10V Zener VR501 4813830A18 6 8V Zener VR506 4802245J73 6 8V Zener 1485777Z01 Insulator Kapton 8480672Z06 UHF B1 P...

Страница 127: ...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 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 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 J402 Pin 3 low Pin 4 high ASFIC U404 Pin ...

Страница 128: ...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 LVZIF_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 Troubleshooting Flow Chart for Receiver Sheet 1 of 2 ...

Страница 129: ...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 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 volt...

Страница 130: ...IC 1 Check 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 Q110 Done Done No Yes Yes No No Yes Low High No Yes Yes No Yes No Troubleshooting Flow Chart for Transmitter ...

Страница 131: ... 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 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 Troubleshoot...

Страница 132: ...gh Check U201 Pin 2 for 3 2V U241 Pin 19 0V AUX 4 High Change Q261 VCTRL 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 L309 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 Troubleshooting Flow Chart for VCO ...

Страница 133: ...D1591 GP88s Tanapa 136 174 MHz 5W X PMLD4162 GP88s B C Kit 136 174 MHz 5W X PMLN4343 GP88s Front Housing Kit X PMAD4012 Antenna 136 155 MHz Stubby X PMAD4013 Antenna 155 174 MHz Stubby X PMAD4014 Antenna 136 155 MHz 14 cm X PMAD4015 Antenna 155 174 MHz 14 cm X PMAD4023 Antenna 150 161 MHz 14 cm X PMAD4025 Antenna 150 161 MHz Stubby X 6804111J46 GP88s User Guide x Indicates one of each is required ...

Страница 134: ...nd TIA EIA 603 Vibration Meets MIL STD 810 C D E and TIA EIA 603 Dust Meets MIL STD 810 C D E and IP54 Humidity Meets MIL STD 810 C D E and TIA EIA 603 VHF RF Output NiMH 7 5V Low 1W High 5W Frequency 136 174 MHz Channel Spacing 12 5 20 25 kHz Freq Stability 30 C to 60 C 0 00025 Spurs Harmonics 36 dBm 1 GHz 30 dBm 1 GHz Audio Response from 6 dB oct Pre Emphasis 300 to 3000Hz 1 3 dB Audio Distortio...

Страница 135: ... of 7 3V This RF power amplifier is capable of supplying an output power of 0 3W pin 6 and 7 with an input signal of 2mW 3dBm pin16 The current drain would typically be 130mA while operating in the frequency range of 136 174MHz The PRF1507 LDMOS PA is capable of supplying an output power of 7W with an input signal of 0 3W The current drain would typically be 1800mA while operating in the frequency...

Страница 136: ...3538 C3537 and C3539 is used to match the antenna s impedance to the harmonic filter This will optimize the performance of the transmitter and receiver into an antenna 3 1 5 Power Control Integrated Circuit PCIC The transmitter uses the Power Control IC PCIC U3502 to control the power output of the radio by maintaining the radio current drain The current to the final stage of the power module is s...

Страница 137: ...d 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 amplifier transistor Q3302 via C3306 After being amplified by the RF amplifier the RF signal is further filtered by ...

Страница 138: ...icroprocessor Additional filtering once externally provided by the conventional ceramic filters is replaced by internal filters in the IF module U3220 The IF IC uses a type of direct conversion process whereby the externally generated second LO frequency is divided by two in U3220 so that it is very close to the first IF frequency The IF IC U3220 synthesizes the second LO and phase locks the VCO t...

Страница 139: ...esigned 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 Vbe 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 t...

Страница 140: ...U3801 In addition to the VCO the synthesizer must interface with the logic and ASFIC circuitry Programming for the synthesizer is accomplished through the data clock and chip select lines from the microprocessor A 3 3V dc signal from synthesizer lock detect line indicates to the microprocessor that the synthesizer is locked Transmit modulation from the ASFIC is supplied to pin10 of U3701 Internall...

Страница 141: ...thin the lock range The required frequency is then locked by normal mode charge pump at pin 43 Both the normal and adapt charge pumps get their supply from the capacitive voltage multiplier which is made up of C3701 to C3704 and triple diodes D3701 D3702 Two 3 3V square waves 180 deg out of phase are first multiplied by four and then shifted along with regulated 5V to build up 13 5V at pin 47 of U...

Страница 142: ... in the synthesizer a resultant CONTROL 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 9 5 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 ...

Страница 143: ...on when 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 4...

Страница 144: ...gnators are assigned in the following manner 400 500 Series Controller 600 Series Keypad Board 3200 Series IF Circuitry 3300 Series Receiver 3500 Series Transmitter 3700 and 3800 Series Frequency Generation 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...

Страница 145: ...518 C3546 C3547 R3512 R3544 R3546 R3547 R3548 SH3502 C3519 C3527 L3518 L3522 R3513 L3521 1 2 3 Q3501 C3514 C3517 L3502 L3511 L3512 L3513 C3512 C3513 L3504 C3521 C3523 L3515 C3320 C3334 C3335 L3312 R3318 TP3301 L3309 R3321 R3322 R3323 SH3302 6 4 3 T3301 6 4 3 T3302 C3318 C3319 C3329 C3330 C3331 C3332 L3306 R3317 C3310 C3311 C3312 C3313 C3314 C3327 D3302 L3305 C3306 C3307 C3338 CR3303 Q3302 R3308 R3...

Страница 146: ... C3709 D3701 D3702 C503 C3336 F501 C3526 C3569 L3523 R3571 R3572 R3573 TP3502 H3501 C3516 D3521 D3551 L3551 C3506 C3507 C3509 C3561 C3566 C3567 L3519 R3561 R3562 R3563 U3503 C3560 C3568 C3570 1 17 9 25 U3502 C3562 C3563 C3565 R3564 R3565 C3515 C3564 R3519 C3508 Q3561 R3570 R3569 C3812 C3813 C3818 R3812 R3818 R3826 11 1 20 10 U3801 C3801 C3802 C3803 C3804 C3805 C3806 C3808 C3809 C3810 C3811 C3821 C...

Страница 147: ...SWB 1000pF C500 100pF C503 BATT_CODE 6 8V VR506 L505 390nH B501 RSSI_FIL 2 NEG 1 POS 3 01uF C521 2 6 8V VR440 SB1 1 SWITCH PB501 6 8V VR444 2 PTT 1 SWITCH PB504 01uF C522 VR441 6 8V PB502 1 2 SWITCH SB2 1 S1 4 S2 2 S3 J407 SPN SPP ANT_BIAS MIC 5V 0 1uF C515 Q503 2 6 4 1 3 4 7K 47K 47K 10K 10K R510 C478 100pF 100pF C477 VR431 6 8V SCI 100pF C498 100pF C499 4700pF C446 C454 100pF C455 470pF C520 100...

Страница 148: ... C3312 L3308 16pF C3315 10nH L3306 10pF 12nH 33nH L3312 022uF C3337 R3309 C3304 5 6K C3331 150pF C3330 100pF 100pF 0 1uF C3326 NU 1000pF C3325 330pF C3327 CR3301 2 3 4 1 C3319 NU 0 1uF C3306 330 R3315 C3334 L3305 20pF 12nH DACRx IF C3322 100pF NU R3312 R5_2_FE R5_3_FE R3301 R3322 33K NU R3323 220 18 C3316 RSSI_1_FE DACRx_1_FE 3 3pF 2 IF_1_FE XFMR T3302 4 6 3 1 C3329 330pF C3301 RX_INJ RSSI 5 6pF C...

Страница 149: ... 01uF C3206 C3226 SH3203 SHIELD 0 1uF 5V SHIELD C3274 33pF C3237 100pF R3223 C3233 1K 1uF 4 7uF C3213 C3212 1uF R3214 22 Q3200 MMBR941 R3203 R3221 10K 100 022uF C3239 R3200 R5 150 47 SQ_OUT_1_ZIF SWB R3271 R3201 2 2K C3204 C3205 01uF 0 1uF DATA_3_ZIF CLK_3_ZIF 0 1uF C3225 C3208 0 1uF NU 100 R3208 10 R3224 0 22uF C3201 C3240 NU 1 5pF 2 2K 1uF R3213 C3209 C3221 01uF 0 1uF 100 C3219 R3219 R3226 10 RS...

Страница 150: ... 1uF C3705 C3706 4 7uF 470 R3721 100pF C3716 100pF C3715 4 7uF C3714 1uF C3724 R3723 100 TP3701 1 0 1uF C3722 1K R3722 0 1uF C3721 4 1 3 Q3721 2 UMC5N R5 5V T5_1_FN R5_2_FN VCTRL_1_FN R5_1_FN T5 VCTRL 4 7K 47K 47K 10K 5V_1_FN 5V SOURCE 10uF C3711 2 NR 4 OUT 3 SD 6 ERR 1 GND 5 IN ADP3300 U3711 SWB_PLUS_1_FN 2 2uF C3713 C3712 0 1uF SWB VCO_MOD_1_FN VCO_MOD SH3702 SHIELD 1 1 SH3701 SHIELD NU 16_8MHz_...

Страница 151: ... PRESC_1_VCO U3801 50U54 47 10K R3834 220 R3836 R3821 R3825 33 VCTRL_1_VCO L3826 1uH L3822 47nH 47 BIAS_ADJ R3822 C3825 15pF 27nH L3809 L3831 56nH 220 R3833 C3801 4 7pF C3808 15pF D3831 BIAS_ADJ_1_VCO T5_1_VCO R3806 22 D3832 R3801 220 100 R3802 R3803 220 C3802 22pF NU 0 1uF 56nH C3812 L3833 C3810 10pF NU L3816 100nH R3811 100 0 22uF C3827 C3823 01uF C3811 0 1uF 56pF VCTRL C3828 C3834 01uF 100 R382...

Страница 152: ..._3_PA 33K R3562 12K R3561 C3561 022uF POS VOUT 2 U3503 GND 3 100pF C3566 LM50C 5185963A15 L3504 68nH 270K R3563 C3508 022uF 330pF C3509 022uF 68nH L3503 C3504 5 6nH L3501 C3503 33pF C3502 33pF 18nH L3511 NU C3507 C3506 NU NU L3502 47pF C3512 R3541 NU 330pF C3542 L3512 11 03nH C3513 30pF C3541 022uF C3517 100pF 7 66nH L3513 R3512 120 470pF C3514 BIAS_TUNING TP3502 1 12K R3547 022uF C3547 100 R3544 ...

Страница 153: ...19 2113740F35 22pF C3521 2111078B51 220pF C3523 2111078B45 130pF Circuit Ref Motorola Part No Description C3524 2113740F34 22pF C3525 2113740F35 10pF C3526 2113743M08 022uF C3528 2113740F26 9 1pF C3531 2113740F29 12pF C3532 2113740F38 68pF C3533 2113740F26 7 5pF C3534 2113740F27 10pF C3535 2113740F36 24pF C3536 2113740F31 15pF C3537 2113740F33 18pF C3539 2113740F21 5 6pF C3541 2113743M08 022uF C35...

Страница 154: ...ple Diode D3702 4802233J09 Triple Diode D3761 4862824C03 Varactor D3821 4805649Q13 Dual Varactor D3831 4805649Q13 Dual Varactor Circuit Ref Motorola Part No Description D3832 4862824C01 Varactor E400 2480640Z01 Ferrite Bead F501 6580542Z01 Fuse 3A H3501 2680499Z01 Heatsink J104 3980686Z01 Contact Antenna J3501 0180117S05 RF_Jack J3502 3980686Z01 Antenna Contact J400 0905505Y04 40 pin Connector J40...

Страница 155: ... 0662057V26 91K 1 R416 0662057N13 39K R418 0662057M01 0 R419 0662057M90 4700 R423 0662057N15 47K R425 0662057N10 30K R427 0662057M98 10K R428 0662057M10 2 2K R429 0662057M98 10K R432 0662057N16 51K R434 Not Placed R435 0662057M81 2K R436 0662057N16 0 R437 Not Placed R438 0662057M01 0 R439 0662057N23 100K R445 0662057N08 24K R446 0662057N30 200K R447 0662057N52 1 6M R448 0662057N33 270K R449 066205...

Страница 156: ...13 C3310 C3314 C3332 C3319 CR3303 D3302 L3305 L3306 L3304 Q3302 R3317 R3310 R3309 R3311 R3313 R3308 R3312 R3316 T3301 3 4 6 Q431 5 6 4 3 1 2 J402 C470 C485 CR412 CR413 Q417 3 4 Q433 TP405 TP406 TP415 C471 C472 C483 C484 R493 R494 R498 R499 C402 C467 CR440 Q403 R454 R455 R456 R447 R448 R481 R446 R451 C480 R452 C482 Q405 3 4 R416 C400 C401 C403 Q400 R401 R402 R403 R405 R406 R427 R476 U400 8 5 4 C382...

Страница 157: ... R3818 R3829 R3830 R3812 R3831 R3816 R3832 SH3802 U3801 10 20 1 11 C3813 C3823 C3803 C3801 C3805 C3802 L3801 Q3801 R3804 R3808 R3807 R3825 R3801 R3803 R3826 C3812 C3821 C3811 C3806 C3804 C3810 C3808 C3809 L3826 L3811 L3812 L3809 R3805 R3806 R3802 R3811 R3824 B501 3 2 1 C503 C522 C3735 C500 CR501 L505 R3763 VR441 VR506 VR439 4 3 2 Y3762 C3751 C3763 D3761 R3761 R3760 13 25 37 1 U3701 C3701 C3702 C37...

Страница 158: ... 1 PC0 2 PC1 4 PC2 PC3 8 S501 SWITCH C0 C0 C1 C1 C528 1000pF C527 100pF C526 1000pF 100pF C525 5V ANT_BIAS Q506 6 8V VR431 INT_MIC 0 1uF C515 C524 1000pF C523 100pF R510 10K 4 7K 47K 47K 10K 1000pF C520 C455 470pF 100pF C454 1000pF 022uF C529 C530 1000pF C446 100pF C499 C498 100pF 1000pF C518 1000pF C519 1000pF C531 VR432 10V 10V VR433 2 3 1 2 3 1 MIC 01uF C521 2 6 8V VR440 1 SWITCH PB501 6 8V VR4...

Страница 159: ... C3317 39pF 10nH L3308 10pF C3339 022uF C3318 C3319 2 7pF 3 1 2 T3301 XFMR 4 6 mgc_comps R3320 1K 1K R3319 2 3 4 1 CR3301 IF if IF_1_FE L3309 150nH 150 R3321 R3322 220 18 R3323 C3320 91pF C3334 XFMR T3302 4 6 3 1 2 mgc_comps C3335 22pF 33nH L3312 20pF TP3301 1 1 1 SH3303 SHIELD 1 SH3302 SHIELD SH3301 SHIELD R3318 470 C3331 C3330 100pF 100pF 330pF C3329 100K R3317 C3332 39pF 2 2K R3306 1000pF C3325...

Страница 160: ...78 0 1uF C3280 8200pF R3274 1K C3279 1uF R3276 200K D3270 CLK LVZIF_SEL 16 8MHz DATA SH3201 1 SHIELD C3219 0 1uF 100 R3219 Vdd_FILTERED 0 1uF C3222 100K R3222 022uF C3243 01uF C3244 5V Vdd_FILTERED Vdd_FILTERED C3220 10pF R3220 4 7K 1uH L3221 C3228 01uF R3221 100 C3229 100pF 022uF C3239 C3226 0 1uF C3225 0 1uF 0 15uF C3238 1uF C3232 1uF C3233 C3234 1uF C3231 1uF C3235 0 22uF 0 1uF C3224 100pF C323...

Страница 161: ...724 R3723 100 TP3701 1 0 1uF C3722 1K R3722 0 1uF C3721 4 1 3 Q3721 2 UMC5N R5 5V T5_1_FN R5_2_FN VCTRL_1_FN R5_1_FN T5 VCTRL 4 7K 47K 47K 10K 5V_1_FN 5V SOURCE 10uF C3711 2 NR 4 OUT 3 SD 6 ERR 1 GND 5 IN ADP3300 U3711 SWB_PLUS_1_FN 2 2uF C3713 C3712 0 1uF SWB VCO_MOD_1_FN VCO_MOD 1 1 SH3702 SHIELD SH3701 SHIELD 16_8MHz_1_FN 16 8MHz 100 R3741 NU C3741 330pF C3762 R3762 NU C3735 NU R3763 NU 56pF C3...

Страница 162: ... VCO_MOD_1_VCO 10K R3836 L3831 56nH D3832 56nH L3833 56pF C3834 VCO_MOD L3832 68nH C3835 C3826 4 7pF 18 R3826 C3824 56pF L3821 56nH R3825 33 L3822 47nH C3825 15pF C3830 68pF L3823 47nH NU R3812 10K R3831 L3826 1uH BIAS_ADJ BIAS_ADJ_1_VCO 0 22uF C3827 C3823 01uF 33K R3823 C3821 01uF R3824 22K L3824 1uH L3825 100nH VCTRL_1_VCO VCTRL C3828 01uF 100 R3828 01uF C3829 D3821 L3834 1uH C3842 1000pF D3831 ...

Страница 163: ...5185963A15 L3504 68nH 270K R3563 C3508 022uF 330pF C3509 022uF 68nH L3503 C3504 5 6nH L3501 C3503 33pF C3502 33pF 18nH L3511 NU C3507 C3506 NU NU L3502 47pF C3512 R3541 NU 330pF C3542 L3512 11 03nH C3513 30pF C3541 022uF BIAS_TUNING TP3502 1 12K R3547 022uF C3547 100 R3544 100 R3545 R3546 33K C3546 330pF R3548 7 5K H3501 1 HEATSINK SHIELD SH3501 SH3502 SHIELD C3544 330pF 100 R3543 022uF C3543 5 6K...

Страница 164: ...0pF 80 20 Circuit Ref Motorola Part No Description C3509 2113743L05 330pF C3512 2113740F43 47pF C3513 2113740F38 30pF C3514 2113740F47 68pF C3515 2113743L29 3300pF C3516 2311049A08 1uF C3518 Not Placed C3519 Not Placed C3521 2111078B51 220pF C3523 2111078B45 130pF C3524 2113740F34 20pF C3525 2113740F35 22pF C3526 2113743M08 22000pF 80 20 C3527 Not Placed GCAM Dummy Part Number C3528 2113740F27 10p...

Страница 165: ...743L17 1000pF C519 2113743L17 1000pF Circuit Ref Motorola Part No Description C520 2113743L17 1000pF C521 2113743L41 10000pF 10 C522 2113743L41 10000pF 10 C523 2113743N50 100pF C524 2113743L17 1000pF C525 2113743N50 100pF C526 2113743L17 1000pF C527 2113743N50 100pF C528 2113743L17 1000pF C529 2113743L17 1000pF C530 2113743L17 1000pF C531 2113743L17 1000pF CR3301 4802245J42 Ring Quad Diode CR3302 ...

Страница 166: ... Placed R3519 0680539Z01 0 1 R3541 0662057N13 39K R3542 0662057M92 5600 R3543 0662057M50 100 R3544 0662057A25 100 R3545 0662057A25 100 R3546 0662057N01 12K R3547 0662057N11 33K R3548 0662057N07 22K R3551 0662057M40 39 R3561 0662057N01 12K R3562 0662057N11 33K R3563 0662057N33 270K R3564 0662057N35 330K Circuit Ref Motorola Part No Description R3565 Not Placed R3569 Not Placed R3570 Not Placed R357...

Страница 167: ...dio PA Con troller Shield T3301 2580541Z01 XFMR Coil T3302 2580541Z01 XFMR Coil U3201 5102463J58 3 3V Voltage Regulator U3220 5109632D83 LVZIF IC U3501 5185130C65 LDMOS Driver IC U3502 5185765B28 Power Control IC U3503 5185963A15 Temperature Sense U3701 5185963A27 LVFRACN Synthesizer IC U3711 5105739X05 5V Regulator U3801 5105750U54 VCO Buffer IC U400 5102463J40 3 3V Voltage Regulator U404 5185130...

Страница 168: ...413 2 1 3 4 6 5 J402 4 3 Q417 Q431 Q433 R493 R494 R498 R499 TP402 TP405 TP406 TP410 C400 C401 C402 C403 C467 C480 C482 CR412 CR440 Q400 Q403 4 3 Q405 R401 R402 R403 R405 R406 R416 R427 R446 R447 R448 R451 R452 R454 R455 R456 R476 R481 SH401 TP415 4 5 8 U400 C3822 C3824 C3825 C3826 C3828 C3829 C3830 C3832 C3833 C3834 C3835 C3836 C3842 D3821 D3831 D3832 L3821 L3822 L3823 L3824 L3825 L3831 L3832 L383...

Страница 169: ... SH403 1 37 25 13 U404 11 1 20 10 U420 C440 C458 C459 C466 C473 L400 Q420 Q421 R434 R435 R436 R438 R439 R467 R495 R496 C419 C420 C421 R413 C3224 C3231 C3232 C3233 C3234 C3235 C3236 C3237 C3240 C3242 R3223 R3224 C3211 C3218 C3219 C3220 C3221 C3222 C3223 C3226 C3227 C3228 C3229 C3230 C3238 C3239 C3241 C3243 C3244 L3221 R3219 R3220 R3221 R3222 SH3202 1 37 25 13 U3220 C3301 C3302 C3303 C3304 C3305 C33...

Страница 170: ...F C506 100pF C507 GREEN_LED SWB RED_LED Vdda R502 180 2 1 CR503 R501 680 3 4 100pF C514 100pF C512 100pF C513 100pF C511 8 C0 C0 C1 C1 7 GND GND1 9 1 PC0 2 PC1 4 PC2 PC3 SWITCH S501 RTA3 RTA2 RTA0 RTA1 DUMMY 1000pF C517 C477 VR451 10 0V 100pF VR450 10 0V 1000pF C504 C508 100pF C478 100pF 1000pF C516 1000pF C509 1000pF C501 SPN SPP INT_SPN SCI 2 M2 3 M3 S1 7 S2 4 S3 6 5 S4 J407 1 M1 C518 C519 1000p...

Страница 171: ... C3317 39pF 10nH L3308 10pF C3339 022uF C3318 C3319 2 7pF 3 1 2 T3301 XFMR 4 6 mgc_comps R3320 1K 1K R3319 2 3 4 1 CR3301 IF if IF_1_FE L3309 150nH 150 R3321 R3322 220 18 R3323 C3320 91pF C3334 XFMR T3302 4 6 3 1 2 mgc_comps C3335 22pF 33nH L3312 20pF TP3301 1 1 1 SH3303 SHIELD 1 SH3302 SHIELD SH3301 SHIELD R3318 470 C3331 C3330 100pF 100pF 330pF C3329 100K R3317 C3332 39pF 2 2K R3306 1000pF C3325...

Страница 172: ...78 0 1uF C3280 8200pF R3274 1K C3279 1uF R3276 200K D3270 CLK LVZIF_SEL 16 8MHz DATA SH3201 1 SHIELD C3219 0 1uF 100 R3219 Vdd_FILTERED 0 1uF C3222 100K R3222 022uF C3243 01uF C3244 5V Vdd_FILTERED Vdd_FILTERED C3220 10pF R3220 4 7K 1uH L3221 C3228 01uF R3221 100 C3229 100pF 022uF C3239 C3226 0 1uF C3225 0 1uF 0 15uF C3238 1uF C3232 1uF C3233 C3234 1uF C3231 1uF C3235 0 22uF 0 1uF C3224 100pF C323...

Страница 173: ...724 R3723 100 TP3701 1 0 1uF C3722 1K R3722 0 1uF C3721 4 1 3 Q3721 2 UMC5N R5 5V T5_1_FN R5_2_FN VCTRL_1_FN R5_1_FN T5 VCTRL 4 7K 47K 47K 10K 5V_1_FN 5V SOURCE 10uF C3711 2 NR 4 OUT 3 SD 6 ERR 1 GND 5 IN ADP3300 U3711 SWB_PLUS_1_FN 2 2uF C3713 C3712 0 1uF SWB VCO_MOD_1_FN VCO_MOD 1 1 SH3702 SHIELD SH3701 SHIELD 16_8MHz_1_FN 16 8MHz 100 R3741 NU C3741 330pF C3762 R3762 NU C3735 NU R3763 NU 56pF C3...

Страница 174: ... VCO_MOD_1_VCO 10K R3836 L3831 56nH D3832 56nH L3833 56pF C3834 VCO_MOD L3832 68nH C3835 C3826 4 7pF 18 R3826 C3824 56pF L3821 56nH R3825 33 L3822 47nH C3825 15pF C3830 68pF L3823 47nH NU R3812 10K R3831 L3826 1uH BIAS_ADJ BIAS_ADJ_1_VCO 0 22uF C3827 C3823 01uF 33K R3823 C3821 01uF R3824 22K L3824 1uH L3825 100nH VCTRL_1_VCO VCTRL C3828 01uF 100 R3828 01uF C3829 D3821 L3834 1uH C3842 1000pF D3831 ...

Страница 175: ...5185963A15 L3504 68nH 270K R3563 C3508 022uF 330pF C3509 022uF 68nH L3503 C3504 5 6nH L3501 C3503 33pF C3502 33pF 18nH L3511 NU C3507 C3506 NU NU L3502 47pF C3512 R3541 NU 330pF C3542 L3512 11 03nH C3513 30pF C3541 022uF BIAS_TUNING TP3502 1 12K R3547 022uF C3547 100 R3544 100 R3545 R3546 33K C3546 330pF R3548 7 5K H3501 1 HEATSINK SHIELD SH3501 SH3502 SHIELD C3544 330pF 100 R3543 022uF C3543 5 6K...

Страница 176: ...0pF 80 20 Circuit Ref Motorola Part No Description C3509 2113743L05 330pF C3512 2113740F43 47pF C3513 2113740F38 30pF C3514 2113740F47 68pF C3515 2113743L29 3300pF C3516 2311049A08 1uF C3518 Not Placed C3519 Not Placed C3521 2111078B51 220pF C3523 2111078B45 130pF C3524 2113740F34 20pF C3525 2113740F35 22pF C3526 2113743M08 22000pF 80 20 C3527 Not Placed GCAM Dummy Part Number C3528 2113740F27 10p...

Страница 177: ...43L17 1000pF C519 2113743L17 1000pF Circuit Ref Motorola Part No Description C520 2113743L17 1000pF C521 2113743L41 10000pF 10 C522 2113743L41 10000pF 10 C523 2113743N50 100pF C524 2113743L17 1000pF C525 2113743N50 100pF C526 2113743L17 1000pF C527 2113743N50 100pF C528 2113743L17 1000pF C529 2113743L17 1000pF C530 2113743L17 1000pF C531 2113743L17 1000pF CR3301 4802245J42 Ring Quad Diode CR3302 4...

Страница 178: ... 1 R3541 0662057N13 39K R3542 0662057M92 5600 R3543 0662057M50 100 R3544 0662057A25 100 R3545 0662057A25 100 R3546 0662057N01 12K R3547 0662057N11 33K R3548 0662057N07 22K R3551 0662057M40 39 R3561 0662057N01 12K R3562 0662057N11 33K R3563 0662057N33 270K R3564 0662057N35 330K R3565 Not Placed Circuit Ref Motorola Part No Description R3569 Not Placed R3570 Not Placed R3571 Not Placed R3572 0662057...

Страница 179: ...on troller Shield T3301 2580541Z01 XFMR Coil T3302 2580541Z01 XFMR Coil U3201 5102463J58 3 3V Voltage Regulator U3220 5109632D83 LVZIF IC U3501 5185130C65 LDMOS Driver IC U3502 5185765B28 Power Control IC U3503 5185963A15 Temperature Sense U3701 5185963A27 LVFRACN Synthesizer IC U3711 5105739X05 5V Regulator U3801 5105750U54 VCO Buffer IC U400 5102463J40 3 3V Voltage Regulator U404 5185130C53 ASFI...

Страница 180: ...9B 48 Circuit Board Schematic Diagrams and Parts List THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 181: ...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 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 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 J402 Pin 3 low Pin 4 high ASFIC U404 Pin ...

Страница 182: ...q 45 1MHz Audio heard B Yes No Check 2nd LO Control Voltage at C3279 VCO locked B Yes 16 8 MHz check at pin 22 U3220 Activity on U3220 LVZIF_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 Troubleshooting Flow Chart for Receiver Sheet 1 of 2 ...

Страница 183: ...s 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 Q3200 collec tor 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 volt ages and U37...

Страница 184: ...C 1 Check 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 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 Troubleshooting Flow Chart for Transmitter ...

Страница 185: ...15 of U3701 Replace or resolder necessary components Is RF level at U3701 Pin 32 30 dBm Are C3721 C3722 C3724 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 Troubleshooti...

Страница 186: ...n 2 for 3 2V U3801 Pin 19 0V AUX 3 at U3701 Low Change U3801 VCTRL 0V or 13V L3821 L3822 L3823 Open Circuit Change U3801 Change L3821 L3822 L3823 L3825 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 Troubleshooting Flow Chart for VCO Yes ...

Страница 187: ...WB GND KEY_INT GND LEDBL Vddd Vddd GND DATA GND LCD_SEL GND CLK GND RESERVED GND RESERVED RESERVED RESERVED GND FLAT_RX_SND GND RX_AUD_RTN GND TX_AUD_SND TX_AUD_RTN GND FLAT_TX_RTN OPT_ENA RDY GND URX_SND PTT MISO GND KEYPAD_ROW KEYPAD_COL GND GND SWB SWB GND KEY_INT GND LEDBL Vddd Vddd GND DATA GND LCD_SEL GND CLK GND RESERVED GND RESERVED RESERVED RESERVED 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...

Страница 188: ...t for Speaker Mic Assembly 0104008J99 Reference Symbol Motorola Part No Description C800 2113740A55 Cap 100pF M400 5085738Z02 Speaker M401 5013920A04 Mic Mini electrec 8485687Z01 Flex Mic 0980727Z01 Connector Wire 1 2 C800 100pF M401 GND INT_MIC INT_SPN SPP 1 2 3 4 J402 4 PIN CONN M400 SPKR_20 SPKR_20 ZMY0130346 O ...

Страница 189: ...rsenide a type of crystalline material used in some semiconductors ISW Inbound Signalling Word data transmitted on the control channel from a sub scriber unit to the central control unit LH DATA Longhorn Data a bidirectional 0 5V RS 232 line that uses the microntroller s integrated RS 232 asynchronous serial communications interface SCI pe ripheral LLE Low Level Expander slight amount of volume ex...

Страница 190: ...rength RPT TA Repeater Talk Around Softpot Software Potentiometer a computer adjustable electronic attenuator Software Computer programs procedures rules documentation and data pertaining to the operation of a system SPI clock and data lines Serial Peripheral Interface how the microcontroller communicates to modules and ICs through the CLOCK and DATA lines Squelch Muting of audio circuits when rec...

Страница 191: ...anual No 6804111J47 Kindly complete the Service Manual Feedback Form on the next page to help us ensure that you receive the most accurate and complete information Fax to 6 04 6124944 The Technical Publications Coordinator Media and Communications R D Department Motorola Penang Your Details Name Contact Person Company Name Address Telephone No Fax No Email Address How would you like to receive the...

Страница 192: ...ic equipment o very much so o generally yes o to some extent o no 4 We would appreciate any corrections or recommendations for improving this manual Please include the specific page number s of the diagram or procedure in question 5 General comments suggestions Manual No 6804111J47 Fax to 6 04 6124944 The Technical Publications Coordinator Media and Communications R D Department Motorola Penang Co...

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