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Motorola CP 140, Подробное руководство по обслуживанию

Motorola CP140 - это компактная портативная радиостанция, предназначенная для профессионального использования. Для ознакомления с основными функциями устройства рекомендуется скачать бесплатное руководство пользователя на сайте manualshive.com. Базовое руководство пользователя доступно для загрузки на данной странице.

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Controller Schematics

3-3

2.0

Controller Schematics

AUDI O 

DC_REGULATION 

MICROPROCESSOR 

ACCESSORY/KEYPA D 

Controller

CONNECTOR 

CNTL_5T 

C50 4 

1000pF 

1000p 

F 

C507 

1000pF 

1000pF 

C506 

11 

C503 

SPI_D

A

TA_OUT 

SQ_DET 

SW_B + 

VO

 X 

VS_AUDIO_SEL 

VS_GAIN_SEL 

uP_CL K 

CNTL_TX_EN A 

EXT_MIC_PTT 

F120 

0 

HSIO 

LSI O 

MOD_OUT 

OPT_MI C 

OPT_RX_AUD_RETURN 

OPT_RX_AUD_SEND_DETECTO R 

OPT_RX_AUD_SEND_UNMUTED 

OPT_TX_AUD_FLAT_RETURN 

OPT_TX_AUD_RETURN 

OPT_TX_AUD_SEN D 

PWR_SET 

RESET 

SC 

I 

SPI_CLK 

9 

16_8_MHZ 

3V 

5V 

ASFIC_CS 

BA

TT_CHARGE 

BOO

T_ENA 

BW_SEL 

CH_A

CT 

DEMO D 

100 

7 

CN 

R504 

CNTL_5 V 

SW_B 

+ 

12 

3 

SW_B 

+3 V 

CNTL_MOD_OU T 

3V 

D3_3V 

CNTL_3 V 

1uF 

SW_B + 

NC 

BK1005HM47 

1 

E500 

C501 

17 

C505 

1000pF 

PC3 

8 

C408 

1000pF 

C0 

C0 

C1 

C1 

GN 

D 

7 

GND1 
9 

PC0 

1 

PC1 

2 

PC2 

4 

5T D3_3V 

SWITCH 

S440 

TP40 3 

TP301 

3V 

5R 

5T 

5V 

BATT_CHARGE 

D3_3 

V 

ON_OF F 

RESET 

RX_EN A 

SWB+ 

TX_EN A 

USWB 

+ 

VOLUME 

14 

C407 

1000pF 

CNTL_SYNTH_C S 

3  A2 

2 

B1 

4 

B2 

CNTL_SPI_CLK 

SWITCH 

S443 

1  A1 

C403 

150p 

F 

32 

1000pF 

C40 2 

5R 

CNTL_LOCK 

R505 

100 

1 

A1 

3 

A2 

2 

B1 

4 

B2 

CNTL_RSSI 

3V 

SWITCH 

S441 

8 

24 

6 

29 

28  27 

C406 

150p F 

C409 

1000pF 

150pF 

C405 

5V 

C404 

1000pF 

CNTL_SPI_DATA_OUT 

CNTL_5R 

31 

30 

5V 

R503 

13 

10 0 

21 

18 

19 

TP40 4 

15 

16 

1000p F 

23 

10 

C500 

CNTL_BW_SEL 

1  A1 
3 A2 

B1  2 

4 

B2 

USWB 

+ 

5V 

SYNTH_C S 

TX_EN A 

VOLUME 

VO

 X 

VS_CS 

VS_IN T 

VS_RAC 

uP_CLK 

SWITCH 

S442 

LSI 

O 

ON_OF F 

OPT_BUTTON_ 1 

OPT_BUTTON_ 2 

OPT_DATA_READY 

OPT_EN A 

PTT 

RESET 

RSSI 

RX_ENA 

SC 

I 

SPI_CLK 

SPI_D

A

TA

_IN 

SPI_D

A

TA_OUT 

SQ_DET 

SW_B 

+ 

BA

TT_DETEC 

T 

BOO

T_ENA 

CH_A

CT 

D3_3 V 

DISPL_COM_DATA_SEL 

DISP_EN A 

EXT_MIC_PTT 

F120 0 

FREQ_SEL_ 0 

FREQ_SEL_  1 

FREQ_SEL_  2 

FREQ_SEL_ 3 

HSIO 

KEYPAD_COL 

KEYPAD_ROW 

LOCK 

100 

R501 

3V 

5V 

ASFIC_CS 

BACKLIGHT 

R502 

100 

4 

CNTL_DEMO D 

D3_3 V 

3V 

CNTL_16_8_MHZ 

CNTL_PWR_SET 

2 

25 

26 

J460-1 

1 

20 

22 

5 

SW_B 

+ 

5T 

SPI_CLK 

BW_SEL 

MOD_OUT 

SYNTH_CS 

RSSI 

SPI_DATA_OUT 

5R 

5V 

USWB+ 

TX_ENA 

DEMOD 

3V 

16_8_MHZ 

LOCK 

PWR_SET 

Controller Interconnect Schematic Diagram

Содержание CP 140

Страница 1: ...Commercial Series CP140 CP160 CP180 Portable Radios Detailed Service Manual 6866550D20 O ...

Страница 2: ...ii ...

Страница 3: ...cial Series CP140 CP160 CP180 Portable Radios Detailed Service Manual 6866550D20 O 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 Section 6 UHF3 Service Information ...

Страница 4: ...iv ...

Страница 5: ...Commercial Series CP140 CP160 CP180 Portable Radios Service Maintainability Issue December 2003 ...

Страница 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...

Страница 7: ...erms of measuring RF energy for compliance with the IEEE ICNIRP exposure guidelines the radio radiates measurable RF energy only while it is transmitting during talking not when it is receiving listening or in standby mode NOTE The approved batteries supplied with this radio are rated for a 5 5 90 duty cycle 5 talk 5 listen 90 standby even though this radio complies with IEEE ICNIRP occupational e...

Страница 8: ...s place the radio in a Motorola approved clip holder holster case or body harness for this product Using Motorola non approved accessories may result in exposure levels which exceed the IEEE ICNIRP occupational controlled environment RF exposure limits If you are not using a body worn accessory and are not using the radio in the intended use position in front of the face then ensure the antenna an...

Страница 9: ...od and Drug Administration Persons with pacemakers should ALWAYS keep the radio more than 15 cms from their pacemaker when the radio is turned ON Not carry the radio in the breast pocket Use the ear opposite the pacemaker to minimize the potential for interference Turn the radio OFF immediately if you have any reason to suspect that interference is taking place Hearing Aids Some digital wireless r...

Страница 10: ...e areas with potentially explosive atmospheres referred to above include fuelling areas such as below decks on boats fuel or chemical transfer or storage facilities areas where the air contains chemicals or particles such as grain dust or metal powders Areas with potentially explosive atmospheres are often but not always posted WARNING To avoid possible interference with blasting operations turn o...

Страница 11: ...rdering 1 2 2 5 EMEA Test Equipment Support 1 2 2 6 Technical Support 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 5 0 Notes For All Schematics and Circuit Boards 2 5 Chapter 3 SERVICE...

Страница 12: ...viii ...

Страница 13: ...e 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 approp...

Страница 14: ...pare 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 Aftermarket and Accessory Division AAD 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 Depot only If a parts list is not include...

Страница 15: ...0 Email C14749 email mot com Germany Customer Connect Team Telephone 49 0 30 6686 1539 Fax 49 0 30 6686 1916 Email cgiss emea europe mot com France Lionel Lhermitte Telephone 33 1 6929 5722 Fax 33 1 6929 5904 Email TXE037 email mot com Italy Ugo Gentile Telephone 39 0 2822 0325 Fax 39 0 2822 0334 Email C13864 email mot com Africa Middle East Armand Roy Telephone 33 1 6929 5715 Fax 33 1 6929 5778 E...

Страница 16: ...mber and its specific characteristics Table 1 1 Radio Model Number Example MDH65KDC9AA2_N Type of Unit Model Series Freq Band Power Level Physical Packages Channel Spacing Protocol Feature Level Model Revision Model Package MD H 65 K VHF 146 174 MHz Q UHF1 403 438 MHz R UHF2 438 470 MHz S UHF3 465 495 MHz D 4W or 5W C Non Display F Limited Keypad H Full Keypad 9 Program mable AA Conven tional 2 16...

Страница 17: ...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...

Страница 18: ...en damaged parts are replaced identical parts should be used If the identical replacement component is not locally available check the parts list for the proper Motorola part number and order the component from the nearest Motorola Communications parts center listed in the Piece Parts section of this manual Rigid Circuit Boards The family of radios uses bonded multi layer printed circuit boards Si...

Страница 19: ...he 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 the remaining pad with the soldering iron and apply solder...

Страница 20: ...b 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 the solder pad...

Страница 21: ... the antenna jack J140 4 RF voltages on UHF models are measured both with a high impedance RF voltmeter having a bandwidth in excess of 500 MHz levels are expressed in dBm and with a Fluke model 85 RF probe levels are expressed in mV RF These indicated voltages are DC level readings which correspond approximately 1 1 to the RF voltage level in mV rms and are only approximate for UHF frequency meas...

Страница 22: ... indication from IFIC to uP IF_IN OUT 44 85 MHz from 1st mixer to high IF filter RF_IN OUT RX signal from antenna switch to front end MOD OUT IN TX modulation from ASFIC to synthesizer 16_8_MHZ Ref osc signal from synthesizer to ASFIC SYNTH_CS Synthesizer chip select from uP SPI_CLK Serial clock from uP SPI_DATA_OUT Serial data from uP LOCK Lock detect indication from synth to uP PRESC VCO freq fe...

Страница 23: ...ommunications between the radio and the computer s serial communications adapter 5886564Z01 RF Adaptor Adapts radio s antenna port to BNC cabling of test equipment 0180305K08 Shop Battery Eliminator Interconnects radio to power supply EPN4040 Wall Mounted Power Supply Used to supply power to the RIB UK EPN4041 Wall Mounted Power Supply Used to supply power to the RIB Euro 3080369B71 or 3080369B72 ...

Страница 24: ...y Digital voltmeter is recom mended for AC DC voltage and current measurements Fluke 85 RF probe 500 MHz 30 VAC max Use with Fluke 87 digital multi meter for RF voltage measure ments R1377A AC voltmeter 1mV to 300mV 10 mega ohm input impedance Audio voltage measurements R1611A Dual channel 100 MHz oscillo scope Agillent Two channel 100 MHz bandwidth 200M sample rate sec 2MB memory channel Waveform...

Страница 25: ...Commercial Series CP140 CP160 CP180 Portable Radios Power Distribution Controller and Keypad Service Information Issue December 2003 ...

Страница 26: ...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...

Страница 27: ...4 Keypad 1 11 3 5 Speaker and Microphone 1 11 3 6 LCD Display Module 1 11 Chapter 2 TROUBLESHOOTING CHARTS 1 0 Troubleshooting Flow Chart for Board and IC Signals includes Controller DC Regulation and Audio 2 1 Chapter 3 CONTROLLER SCHEMATICS 1 0 Allocation of PCBs and Schematic Diagrams 3 1 2 0 Controller Schematics includes Keypad and Speaker Microphone 3 3 3 0 Keypad Board Parts List 8466565A01...

Страница 28: ...iv ...

Страница 29: ...se F301 to become USWB VR301 protects against ESD and D301 provides reverse polarity protection This voltage is routed to FET switch Q170 in the TX power control circuit turned on during transmit TX power amplifier module U110 via R150 input pins of regulators U310 U320 and U330 FET switch Q493 turned on whenever the radio is on on off switch S444 part of on off volume control to become SWB Figure...

Страница 30: ...on buffer Q280 Q312 is turned on by Q313 when TX_ENA from U401 pin 50 is high and supplies the 5T source to the first transmitter stage Q100 The digital 3 3 volt source from U320 D_3 3V is applied to microprocessor U401 EEPROM U402 S RAM U403 not used flash ROM U404 The 3V regulated source from U330 is applied to synthesizer IC U201 VCO buffer IC U251 portions of ASFIC U451 microphone bias circuit...

Страница 31: ...as transmitter power and deviation receiver squelch sensitivity and audio level adjustments power up power down and reset routines In the UHF and VHF sections the Radio Block Interconnect Diagram show the interconnections between the controller and the various other radio blocks while the Controller Interconnect Schematic diagram in this chapter shows the connections between the following circuit ...

Страница 32: ...U401 port C DATA0 DATA7 chip select for U403 from PH6 U401 pin 41 chip enable for U404 from PH7 U401 pin 38 output enable for U404 from PA7 U401 pin 86 write enable for both U403 and U404 from PG7_R W U401 pin 4 Serial communication with U402 is via the SPI bus chip select for U402 from PD6 U401 pin 3 3 2 2 Control and Indicator Interface Ports PI3 and PI4 are outputs which control the top mounted...

Страница 33: ... the option board display enable not used in CP150 CP200 port PD6 U401 pin 3 for the serial EEPROM 3 2 4 Interface to RSS Programming The radio can be programmed or the programmed information can be read using a computer with CPS Customer Programming Software connected to the radio via a RIB radio interface box or with the RIB less cable Connection to the radio is made via the microphone connector...

Страница 34: ... PH3 pin 44 remains high keeping the voltage regulators on via Q493 and Q494 until the operating state of the radio has been stored in EEPROM PH3 then goes low and all regulated voltages are removed The microprocessor reset line pin 94 can be controlled directly by the digital 3 3 V regulator U320 pin 7 the microphone jack part of accessory connector J471 via Q472 and Q471 and the microprocessor i...

Страница 35: ...MHz for the microprocessor 3 2 10 Battery Gauge Various battery types are available having different capacities The different battery types contain internal resistors connected from the BATT_CHARGE contact to ground which is routed to the microprocessor as BATT_DETECT A voltage divider is formed with R255 producing a different DC voltage for each battery type which is read by microprocessor port P...

Страница 36: ...lines RX audio buffer U510 amplifies the audio level from the DEMOD output of the IFIC before being applied to the audio filter IC input DISC U451 pin 2 The buffer is DC coupled to avoid corruption of low frequency data waveforms such as DPL Because such waveforms are polarity sensitive this buffer is configured as a single stage inverting amplifier U510 1 only for VHF models where high side first...

Страница 37: ...t and ground referenced test equipment 3 3 3 Internal Microphone Audio Voice Path Microphone audio from internal microphone is routed from J470 1 via C475 L471 and C470 to the ASFIC_CMP mic audio input MICINT U451 pin 46 During transmit Q470 is turned on by a low at U451 pin 35 providing dc bias for the internal MIC via R478 External MIC plug insertion mechanically disconnects the internal microph...

Страница 38: ...e EXT_MIC_PTT sense transistor part of Q470 3 3 7 Programming and Flashing Through Microphone Jack The ring contact on the 2 5 mm microphone jack is used for reading programming or re flashing the radio using CPS This contact J471 pin 6 is routed to ports PD0_RXD data into uP pin 97 and PD1_TXD data out of uP pin 98 Transistor Q410 isolates the input and output functions by allowing PD1 to pull th...

Страница 39: ...he speaker and microphone are mounted in the radio front housing They are connected to the audio circuits on the main board the speaker via connector J491 pins 1 2 and the microphone via connector J470 pins 1 2 Refer to the Audio Circuitry schematic diagram for details 3 6 LCD Display Module The display module is part of the keypad and is connected to the keypad board via a flex cable to connector...

Страница 40: ...1 12 THEORY OF OPERATION ...

Страница 41: ...o 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 is not available at a destination continuity from the source IC should be checked before replacing the source IC IC Designator Pin Pin Function DC Voltage Comments...

Страница 42: ...13 VSS GND 14 PBO_ADDR8 3 05 15 PB5_ADDR13 0 13 16 PG1_XA14 0 20 17 PG4_XA17 3 17 18 PG5_XA18 0 19 PG3_XA16 3 21 20 PG2_XA15 0 30 21 PB4_ADDR12 0 22 22 PF7_ADDR7 3 03 23 PF6_ADDR6 3 08 24 PF5_ADDR5 3 06 25 PF4_ADDR4 0 16 26 PF3_ADDR3 0 26 27 PF2_ADDR2 3 06 28 PF1_ADDR1 3 06 29 PFO_ADDR0 3 05 30 PC0_DATA0 0 69 31 PC1_DATA1 0 96 32 PC2_DATA2 1 10 33 PC3_DATA3 0 81 34 PC4_DATA4 0 62 35 PC5_DATA5 0 68...

Страница 43: ...1 PI5 3 23 52 PI4 0 Green LED enable 53 PI3 0 Red LED enable 54 PI2 0 55 PI1 0 56 PI0 2 98 Lock detect from U201 4 57 MODB_VSTBY 3 22 Boot mode enable 58 MODA_LIR 3 12 59 AVDD 3 23 60 PE7_AN7 3 20 61 PE6_AN6 3 20 62 PE5_AN5 2 91 VOX threshold detect 63 PE4_AN4 0 73 RSSI input 64 PE3_AN3 0 14 65 PE2_AN2 1 62 66 PE1_AN1 0 3 3 V Volume control wiper 67 PE0_AN0 2 48 33 of battery voltage 68 VRL 0 69 V...

Страница 44: ...85 PA6_OC2_OC1 0 86 PA7_PA1_OC1 0 87 VSSR GND 88 VDDR 3 23 89 ECLK NU 1 60 90 EXTAL 1 70 Clock from U451 28 91 XTAL 1 40 Not used 92 VDDSYN 0 93 XFC NU 0 94 RESET 3 20 From U320 95 LVOUT 0 96 IRQ 3 20 97 PD0_RXD 3 23 98 PD1_TXD 1 9 99 PD2_MISO 0 100 PD3_MOSI 3 23 U402 EEPROM 1 Chip select 3 23 From U401 3 2 Serial data out 0 3 Write protect 3 23 4 Vss GND 5 Serial data in 3 23 6 Serial clock 0 7 H...

Страница 45: ...m U401 4 8 Vcc 3 23 9 RESET 3 20 U404 Flash ROM 10 A16 3 17 11 A15 0 30 12 A12 0 22 13 A7 3 03 14 A6 3 08 15 A5 3 06 16 A4 0 17 A3 0 24 18 A2 3 08 19 A1 3 05 20 A0 3 05 21 D0 0 69 22 D1 0 94 23 D2 1 08 24 GND GND 25 D3 0 78 26 D4 0 59 27 D5 0 66 28 D6 0 67 29 D7 0 75 30 EN_CE 3 01 From U401 38 31 A10 0 16 32 EN_OE 0 From U401 86 IC Designator Pin Pin Function DC Voltage Comments Condition ...

Страница 46: ...01 84 17 Squelch detect digital output 0 To U401 83 18 PL low speed data I O 1 50 19 High speed data I O 3 00 20 Chip select 3 23 From U401 2 21 Serial clock input 0 22 Serial data input 3 23 23 Ground for clock synthesizer GND 24 Loop filter cap for clock syn 0 74 25 PLCAP2 for LS integrator 1 17 26 Not used 0 27 Vdd for clock synthesizer 3 00 28 Clock synthesizer output 1 70 29 1200 Hz ref for M...

Страница 47: ...0 8 Vcc 4 96 U490 Audio Power Amp 1 Enable shutdown 0 12 Unsquelched 2 Bias reference 3 26 Unsquelched 3 input 3 26 Unsquelched 4 input 3 27 Unsquelched 5 output 3 25 Unsquelched 6 Vcc 7 48 Unsquelched 7 Ground GND 8 output 3 29 Unsquelched U510 Dual Opamp 1 Unit 1 output 1 75 2 Unit 1 input 1 56 3 Unit 1 input 1 55 4 Ground GND 5 Unit 2 input 1 55 6 Unit 2 input 1 56 7 Unit 2 output 1 38 8 Vcc 4 ...

Страница 48: ...2 8 TROUBLESHOOTING TABLES ...

Страница 49: ...layouts and the complete radio parts lists The Controller schematic diagrams and the related PCBs are shown below Table 3 1 PCBs and Schematics PCBs 8486342Z13_C VHF2 8486635Z03_O UHF1 8486348Z13_C UHF1 8486634Z02_O UHF3 8466565A01_O Keypad top bottom side Page 3 7 SCHEMATICS Controller Interconnect Schematic Microprocessor Circuit Schematic Audio Circuit Schematic DC Regulation Schematic Keypad S...

Страница 50: ...3 2 CONTROLLER KEYPAD SCHEMATICS ...

Страница 51: ...ENA USWB VOLUME 14 C407 1000pF CNTL_SYNTH_CS 3 A2 2 B1 4 B2 CNTL_SPI_CLK SWITCH S443 1 A1 C403 150p F 32 1000pF C40 2 5R CNTL_LOCK R505 100 1 A1 3 A2 2 B1 4 B2 CNTL_RSSI 3V SWITCH S441 8 24 6 29 28 27 C406 150pF C409 1000pF 150pF C405 5V C404 1000pF CNTL_SPI_DATA_OUT CNTL_5R 31 30 5V R503 13 100 21 18 19 TP404 15 16 1000pF 23 10 C500 CNTL_BW_SEL 1 A1 3 A2 B1 2 4 B2 USWB 5V SYNTH_CS TX_ENA VOLUME V...

Страница 52: ...D414 NC R430 100K 0 R432 01uF C420 C412 1000pF D3_3V NC SH400 SHIELD 1 10uF 100K 1 R425 C410 0 1uF D3_3 V C432 R441 4 7K 4 7K R440 100K R418 C400 NU R400 NU 1000pF C417 D3_3V C433 1000pF C443 01uF SH401 SHIELD 1 SW_B NC 0 1uF C418 R416 20K Q440 2 2 4 3 R422 SW_B 1 3 2 NC 100K Q402 100K 1 R421 200K 1 R420 120 R443 01uF C445 C446 100K 01uF R423 BRPY1204W D440 01uF C421 4 7K R445 0 1uF R446 C414 1000...

Страница 53: ...ot_Placed NU C481 01uF NC NU R521 C482 Not Placed NU C463 0 1uF 01uF C480 0 1uF R520 100K U480 2 LM2904 6 5 7 8 4 5V_A 6 3 5V Not_Placed NU 5V_B Q470 10K R496 Not_Placed NU R480 0 BK1005HM471 E451 NC 100K R476 100K R486 5V_A Not_Placed NU 330K R488 Not_Placed NU R489 91K 0 1uF C472 680 R473 C492 10uF R460 24K IMX1 Q520 5 1 6 C484 033uF Not_Placed NU R479 100K R464 30K VR473 MMBZ5250B 20V J491 3 3 ...

Страница 54: ... NC SHUTDOW N 8 TAP 3 R509 ERROR 7 FEEDBACK 2 GND 1 INPUT 4 OUTPUT 5 SENSE 6 C305 100pF LP2986 U320 C331 01uF 330K 1 R320 10uF 1200pF C321 R313 C315 R312 10K HIGH TAB1 6 TAB2 7 2 NC 20K S444 SWITCH 4 1 LOW 5 3 100K R508 01uF C322 C303 33uF Q494 2 6 4 1 3 018uF C320 Q313 01uF D3_3V C306 Q312 01uF C310 R510 330K D3_3V 018uF C311 NC TP302 1 R321 1 200K C314 1200pF D3_3V 20V MMBZ5250B VR301 NEG POS 10...

Страница 55: ...r Schematics 3 7 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 C1 C2 C3 C4 C5 C6 C7 C8 G1 G2 9 J1 28 1 g1 g2 J2 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 Component Side Solder Side Keypad Board PCB No 8466565A01_O ...

Страница 56: ... J2 11 11 J2 1 1 QSMG H799 D6 J2 2 2 J2 22 22 D3 QSMG H799 J1 7 7 J1 2 2 J2 25 25 J2 26 26 D7 QSMG H799 C7 150pF DNF 0 1uF C4 R13 330 470 R12 22K R8 R9 J2 24 24 NC NC 43K J2 4 4 J2 6 6 5 J1 4 4 470 J1 5 NC NC R11 QSMG H799 D11 1 2 3 D10 QSMG H799 1 2 3 SWITCH S32 1 2 3 SWITCH S31 SWITCH S29 1 2 3 SWITCH S30 3 SWITCH S28 1 2 3 2 3 SWITCH S27 1 2 1 2 3 SWITCH S26 1 1 2 3 SWITCH S25 S23 1 2 3 SWITCH ...

Страница 57: ...99 D6 NOTPLACED QSMG H799 D7 NOTPLACED QSMG H799 D8 NOTPLACED QSMG H799 D9 4809496B11 QSMG H799 D10 4809496B11 QSMG H799 D11 4809496B11 QSMG H799 J1 0986632Z01 CONN_J J2 0909059E18 CONN_J R1 0662057A97 RES 100K R2 NOTPLACED RES 13K R3 NOTPLACED RES 22K R4 NOTPLACED RES 43K R5 NOTPLACED RES 130K R6 0662057A97 RES 100K R7 0662057A76 RES 13K R8 0662057A81 RES 22K R9 NOTPLACED RES 43K R10 NOTPLACED RE...

Страница 58: ...3 10 Keypad Board Parts List 8466565A01 O ...

Страница 59: ...Commercial Series CP140 CP160 CP180 Portable Radios VHF 146 174MHz Service Information Issue December 2003 ...

Страница 60: ...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...

Страница 61: ...etwork 2 5 3 5 Power Control 2 5 4 0 VHF 146 174MHz Frequency Generation Circuitry 2 6 4 1 Fractional N Synthesizer 2 7 4 2 Voltage Controlled Oscillator VCO 2 8 Chapter 3 TROUBLESHOOTING TABLES 1 0 Troubleshooting Table for Receiver 3 1 2 0 Troubleshooting Table for Synthesizer 3 3 3 0 Troubleshooting Table for Transmitter 3 4 4 0 Troubleshooting Table for Board and IC Signals 3 6 Chapter 4 UHF P...

Страница 62: ...iv ...

Страница 63: ...Back Cover Kit 146 174 MHz X PMLD4224_ CP180 Back Cover Kit 146 174 MHz X PMLN4601_ CP140 Front Housing Kit 16 Ch X PMLN4602_ CP160 Front Housing Kit 32 Ch X PMLN4603_ CP180 Front Housing Kit 64 Ch X X X NNTN4497_R Li Ion Battery High Capacity 1800 mAH X X X NNTN4851_ NiMh Battery 1400 mAH X X X NNTN4852_ NiMh Battery 1300 mAH FM X X X NNTN4970 Slim Li Ion Battery 1600 mAH X X X WPLN4139_R Rapid D...

Страница 64: ...5mm H x 62mm W x 45mm D 130 5mm H x 62mm W x 43mm D 130 5mm H x 62mm W x 42mm D Weight for 16 Channel Model Batteries High Capacity Li Ion NiMH FM NiMH Std Slim Li Ion 376g 13 26 oz 449g 15 83 oz 446g 15 73 oz 337g 13 30 oz Weight for 32 64 Channel Model Batteries High Capacity Li Ion NiMH FM NiMH Std Slim Li Ion 396g 13 97 oz 469g 16 54 oz 467g 16 47 oz 377g 14 0 oz Average Battery Life 5 5 90 Du...

Страница 65: ... from 6 dB oct Pre emphasis 300 to 3000Hz 1 3 dB Audio Distortion 1000 Hz 60 Rated Max Dev 3 FM Noise 40 dB 12 5 kHz 45 dB 25 kHz Receiver Specifications VHF 12 5 kHz VHF 20 25kHz Frequency 146 174 MHz Sensitivity 12dB EIA SINAD 0 25 µV typical Adjacent Channel Selectivity 65 dB 70 dB Intermodulation 70 dB Freq Stability 30 C to 60 C 0 00025 Spur Rejection 75 dB Image and 1 2 I F Rejection 70 dB A...

Страница 66: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS ...

Страница 67: ...s the range of 146 174 MHz and provides switchable IF bandwidth for use with 20 25 30 kHz or 12 5 kHz channel spacing systems The receiver is divided into two major blocks as shown in Figure 2 1 Front End Back End Figure 2 1 VHF Receiver Block Diagram Demodulator Crystal Filter 1st Mixer RF Amp IF Amp Preselector Filter Interstage Filter Recovered Audio RSSI RX from Antenna Switch Inj Filter First...

Страница 68: ...n Q21 Current mirror Q22 maintains the operating current of Q21 constant at 6 2 mA regardless of device and temperature variations for optimum dynamic range and noise figure The output of the RF amplifier is applied to the interstage filter a fixed tuned 3 pole series coupled resonator design having a 3 dB bandwidth of 58 MHz and insertion loss of 1 8 dB This filter has an image rejection of 42 dB...

Страница 69: ... or FL54 between the IF amp and the limiter input The wider filter FL53 is used for 20 25 kHz channel spacing and the narrower filter FL54 is used for 12 5 kHz channels When the BW_SEL line is high the two upper diodes in packages D51 and D52 are forward biased selecting FL53 for 20 25 kHz channels When the BW_SEL line is low the two lower diodes in packages D51 and D52 are forward biased selectin...

Страница 70: ...control circuit The output power of the module is controlled by varying the DC gate bias on U110 pin 2 VGG 3 2 Antenna Switch The antenna switch consists of two pin diodes D120 and D121 In the receive mode both diodes are off Signals applied at the antenna or at jack J140 are routed via the harmonic filter through network C122 C124 and L121 to the receiver input In the transmit mode Q170 is on and...

Страница 71: ... power set DAC contained in the ASFICcmp IC DACG U451 pin 6 This PWR_SET voltage is applied to U150 pin 3 Stage U150 2 compares the voltage drop across current sense resistor R150 to the voltage drop across resistor R151 caused by current flow through Q150 and adjusts its output pin 7 to maintain equal voltages at pins 5 and 6 Thus the current flow through Q150 and hence its emitter voltage is pro...

Страница 72: ...complished through the microprocessor SPI_DATA_OUT SPI_CLK and SYNTH_CS chip select lines U409 pins 100 1 and 47 respectively A logic high 3V from U201 pin 4 indicates to the microprocessor that the synthesizer is locked Figure 2 3 VHF Frequency Generation Unit Block Diagram Transmit modulation from the ASFICcmp U451 pin 40 is applied to U201 pin 10 MOD_IN An electronic attenuator in the ASFICcmp ...

Страница 73: ...thin lock range The required frequency is then locked by the normal mode charge pump at pin 43 A loop filter C243 C245 and R243 R245 removes noise and spurs from the steering voltage applied to the VCO varactors with additional filtering located in the VCO circuit Both the normal and adapt charge pumps get their supply from the capacitive voltage multiplier made up of C221 C224 and D220 D221 Two 3...

Страница 74: ...varactor D251 The buffered RF signal at U251 pin 8 is further amplified by Q280 and applied as RX_INJ to the low pass injection filter in the receiver front end circuit In the transmit mode U251 19 is driven high by U201 pin 2 enabling the transmit VCO and buffer The 146 174 MHz RF signal from U251 pin 10 is applied as TX_INJ to the input of the transmitter circuit via matching network C290 C291 a...

Страница 75: ... or battery eliminator Charge or replace battery 2 Defective battery contacts Inspect battery contacts for corrosion or bent terminals Clean repair replace J301 3 Blown fuse Check voltage on each side of fuse If blown 0 VDC after fuse Check for short on output check D301 VR301 trouble shoot repair as needed replace fuse 4 DC switching fault Verify battery voltage present at S444 pin 5 when radio i...

Страница 76: ...el at T42 6 is approx 6 dBm Check that RF level at U251 8 is at least 8 dBm Check injection filter C40 44 L40 41 If yes check Q280 and associ ated parts If no check U251 and components on pins 5 and 6 2 No 5R source Verify U401 49 is high in RX Verify Q311 gate is 0V dc in RX Verify Q311 drain is 5V dc in RX Check replace U401 Check replace Q313 Check for shorts check replace Q311 3 Harmonic filte...

Страница 77: ...16 per Board and IC troubleshooting table Verify steering line voltage is between 3V and 10V Check VCO tank components connected to U251 15 and 16 Check for shorts opens replace U251 Check D261 and associated components 2 Synthesizer fault Verify TRB line U201 2 to U251 19 is high 3V in TX mode Check for shorts check U201 voltages per Board and IC troubleshooting table replace U201 if incorrect 3 ...

Страница 78: ... gain stage failure Check RF levels at Q100 and U110 per schematic Troubleshoot Q100 U110 and associated circuitry 8 Antenna switch failure Verify dc voltage at jct R122 L120 is approx 1 5V Check replace D120 121 L120 121 R120 122 etc Low Power 1 Low TX injection Check that RF level at jct R100 R101 per schematic Check U251 L291 292 C290 291 2 Low gain in TX stage Verify dc voltage at Q100 E is 1 ...

Страница 79: ...ce U451 Check replace R474 R476 and Q470 2 Defective mic Verify approx 1 8V dc across cartridge when side PTT button is pressed Verify audio present 10 mV rms when speaking into mic Check mic connector and R478 Replace mic cartridge 3 Defective mic jack Verify continuity between J471 pins 4 and 5 Replace J471 No EXT MIC audio 1 Mic bias fault Verify approx 1 8V dc across EXT MIC cartridge in TX mo...

Страница 80: ...ge U510 9 RSSI feedback 0 74 no received signal 10 Quad detector input 2 22 11 Limiter output 1 25 12 Limiter decoupling 2 1 30 13 Limiter decoupling 1 1 30 14 Limiter input 1 28 15 Ground GND 16 IF amp output 1 22 17 IF amp decoupling 2 1 26 18 IF amp input 1 26 19 IF amp decoupling 1 1 26 20 2nd mixer output 3 09 U52 BW Select Switch 1 Inverter 1 input 0 25 kHz mode 2 Inverter 2 output 0 25 kHz ...

Страница 81: ...8 Vcc 6 79 TX mode U201 Freq Synthesizer 1 AUX2 output NU 0 2 AUX3 output TRB 0 03 To U251 19 RX mode 3 AUX4 output NU 0 4 Lock detect output 2 98 To U401 56 5 PD Vdd 2 98 6 Digital ground GND 7 Serial data input 3 23 8 Serial clock input 0 9 Synth chip select 3 23 From U401 47 10 Modulation input 1 50 From U451 40 11 VMULT4 NU 2 98 12 VMULT3 NU 0 13 VRO 4 96 14 VMULT2 1 49 15 VMULT1 1 49 16 INDMU...

Страница 82: ... in TX mode 41 Modulation output 3 42 typ 1 62V typ in TX mode 42 CCOMP NU 0 05 43 Steering line IOUT 9 62 typ Depends on frequency 44 PD ground GND 45 Steering line IADAPT 9 62 typ Depends on frequency 46 Adapt switch NU 0 47 Voltage from charge pump 12 8 48 AUX1 output NU 2 98 U251 VCO Buffer 1 TX VCO current adjust 4 50 2 RX VCO current adjust 4 35 3 Superfiltered input 4 51 4 Collector RF in a...

Страница 83: ...ass capacitor 1 26 5 Vout 4 96 U320 3 3V Regulator 1 Ground GND 2 Feedback 1 23 3 Tap NU 0 4 Vin 7 48 5 Vout 3 23 6 Sense NU 0 7 Error reset output 3 20 8 Shutdown input 7 48 U330 3V Regulator 1 Vin 7 48 2 Ground GND 3 Control input 7 48 4 Bypass capacitor 1 26 5 Vout 3 00 U401 Microprocessor 1 PD4_SCK serial clock input 0 2 PD5_SS 3 23 ASFIC chip select 3 PD6_VLIN 3 23 EEPROM chip select 4 PG7_R_...

Страница 84: ...6_ADDR6 3 08 24 PF5_ADDR5 3 06 25 PF4_ADDR4 0 16 26 PF3_ADDR3 0 26 27 PF2_ADDR2 3 06 28 PF1_ADDR1 3 06 29 PFO_ADDR0 3 05 30 PC0_DATA0 0 69 31 PC1_DATA1 0 96 32 PC2_DATA2 1 10 33 PC3_DATA3 0 81 34 PC4_DATA4 0 62 35 PC5_DATA5 0 68 36 PC6_DATA6 0 67 37 PC7_DATA7 0 73 38 PH7_CSPROG 3 05 39 VDDL 3 23 40 VSSL GND 41 PH6_CSGP2 3 23 42 PH5_CSGP1 3 23 43 PH4_CSIO 0 44 PH3_PW4 3 21 On off control output 45 ...

Страница 85: ...LIR 3 12 59 AVDD 3 23 60 PE7_AN7 3 20 61 PE6_AN6 3 20 62 PE5_AN5 2 91 VOX threshold detect 63 PE4_AN4 0 73 RSSI input 64 PE3_AN3 0 14 65 PE2_AN2 1 62 66 PE1_AN1 0 3 3 V Volume control wiper 67 PE0_AN0 2 48 33 of battery voltage 68 VRL 0 69 VRH 3 20 70 AVSS GND 71 PJ0_CSGP3 3 23 Side PTT button 72 PJ1_CSGP4 0 External MIC PTT 73 PJ2 3 23 74 PJ3 3 23 75 PJ4 3 23 76 PJ5 0 77 PJ6 3 23 Bottom option bu...

Страница 86: ...d 92 VDDSYN 0 93 XFC NU 0 94 RESET 3 20 From U320 95 LVOUT 0 96 IRQ 3 20 97 PD0_RXD 3 23 98 PD1_TXD 1 9 99 PD2_MISO 0 100 PD3_MOSI 3 23 U402 EEPROM 1 Chip select 3 23 From U401 3 2 Serial data out 0 3 Write protect 3 23 4 Vss GND 5 Serial data in 3 23 6 Serial clock 0 7 Hold 3 23 8 Vcc 3 23 U404 Flash ROM 1 A11 3 06 2 A9 3 08 3 A8 3 05 4 A13 0 13 5 A14 0 31 6 NC 3 17 7 EN_WE 3 21 From U401 4 8 Vcc...

Страница 87: ...3 01 From U401 38 31 A10 0 16 32 EN_OE 0 From U401 86 U451 ASFIC_CMP 1 VDD for analog circuits 3 00 2 DISC audio input 1 34 From U510 3 Ground for analog circuits GND 4 DACU output 0 5 DACR output 0 6 DACG output 2 38 typ Power set TX mode 7 VOX peak detector output 2 91 8 PLCAP for DC integrator 0 40 9 SQIN 0 01 10 Universal audio input output 0 11 VDD for DACs 4 95 12 SQCAP 0 13 GCB2 general pur...

Страница 88: ...70 29 1200 Hz ref for MDC decode 3 00 30 GNDDO GND 31 Ground for digital circuits GND 32 Vdd for analog switches 4 96 33 Vdd for digital circuits 3 00 34 16 8 MHz master clock input 1 54 35 GCB3 general purpose output 3 00 Internal MIC enable 36 TX audio return from option 0 37 GCB4 general purpose output 0 38 GCB5 general purpose output 0 39 RX audio send to option 1 48 40 Modulation output 1 50 ...

Страница 89: ...7 48 Unsquelched 7 Ground GND 8 output 3 29 Unsquelched U510 Dual Opamp 1 Unit 1 output 1 75 2 Unit 1 input 1 56 3 Unit 1 input 1 55 4 Ground GND 5 Unit 2 input 1 55 6 Unit 2 input 1 56 7 Unit 2 output 1 38 8 Vcc 4 96 1 All voltages are measured with a high impedance digital voltmeter and expressed in volts DC relative to ground 0V 2 Voltages are measured with a DC input voltage of 7 50 02 volts D...

Страница 90: ...3 16 TROUBLESHOOTING TABLES ...

Страница 91: ...nents The VHF schematics and the related PCB and parts list are shown in the table below 1 2 Six Layer Circuit Board The main PCB is a 6 layer circuit board the copper steps are in the layer sequence shown below Table 4 1 VHF Diagrams and Parts Lists PCB 8486342Z13_C Main Board Top Side 8486342Z13_C Main Board Bottom Side Page 4 3 Page 4 4 SCHEMATICS Radio Circuit Block Diagram Receiver Front End ...

Страница 92: ...4 2 VHF PCB SCHEMATICS PARTS LISTS ...

Страница 93: ...513 CR1 D251 D261 D262 D301 D424 D470 D471 E452 E500 F301 4 3 2 FL53 4 3 2 FL54 J140 3 2 J301 J470 6 4 7 5 2 3 J471 L1 L2 L3 L4 L21 L22 L31 L32 L33 L211 L251 L252 L253 L254 L255 L262 L263 L264 L265 L281 L283 L471 M140 Q21 Q171 Q280 Q402 Q403 Q440 Q472 R22 R24 R25 R26 R61 R63 R171 R205 R212 R220 R221 R223 R230 R243 R244 R245 R247 R248 R253 R254 R261 R262 R263 R264 R280 R281 R282 R283 R286 R400 R410...

Страница 94: ...1 L51 L52 L53 L54 L81 L100 L101 L102 L103 L110 L120 L121 L130 L131 L132 L140 L270 L271 L276 L282 L291 L292 Q22 Q51 Q70 Q100 Q150 1 6 3 4 Q170 Q311 Q312 4 3 Q313 4 3 Q410 Q470 4 3 Q471 Q481 Q482 4 3 Q490 Q493 4 3 Q494 Q520 R20 R21 R23 R40 R51 R52 R53 R54 R55 R57 R60 R62 R64 R65 R66 R67 R72 R73 R74 R75 R76 R77 R78 R80 R81 R82 R90 R91 R100 R101 R102 R103 R104 R105 R106 R107 R110 R111 R120 R121 R150 R...

Страница 95: ...OD_IN PRESC SPI_CLK SPI_DATA_OUT SYNTH_CS TRB VCO_MOD RSSI 5V 5R 3V 5R USWB 5V USWB V_SF V_STEER 5T 3V 5T PWR_SET RX_OUT TX_ENA TX_INJ USWB 5V BW_SEL DEMOD IF_IN LOCK MOD_OUT PWR_SET RSSI SPI_CLK SPI_DATA_OUT SYNTH_CS TX_ENA USWB 3V 5R PRESC RX_INJ TRB TX_INJ VCO_MOD 5R IF_OUT RX_IN RX_INJ 5T 16_8_MHZ 3V 5R 5T 5V BW_SEL DEMOD VHF Radio Circuit Block Diagram ...

Страница 96: ...C9 82pF C51 L32 2 68nH 3 2 1 NC L41 2 68nH RF BALUN T41 NC 5 4 6 1000pF C23 C40 1 20pF 27pF C35 1 L3 68nH 2 15pF 1 C41 FE_RF_INJ R26 0 20pF 1 C44 C25 1000pF 2 68nH L2 NU C32 1 56pF C24 51 R51 30pF 1 C8 NC 1 33pF C7 1 IO1 IO2 2 3 IO3 4 IO4 TP2 1 HSMS2829 CR41 C36 1 24pF 2 68nH L33 15pF 1000pF C22 1 1 C4 1 C3 47pF C31 1 SHIELD SH40 TP1 1 30pF SHIELD SH1 1 22K 1 R23 56pF 1 C34 NU L21 750 R24 68nH 2 L...

Страница 97: ...IN 1 0 1uF 44 395MHz TSS2_44_395MHZ Y51 2 GND 4 GND1 3 2 CC1 5 CC2 1 GND1 4 GND2 3 IN 6 OUT 44 85MHz MXF45 FL51 4 VCC 8 C58 3 9pF PWR_GND U52 4 GND R81 10uF C91 0 1uF C65 1K R75 12K 20K C57 0 1uF 9180468V04 3 GND IN 1 OU T 2 R64 FLTR FL52 C81 1 33pF C70 IF_IN RFIN RFIN_DEC 2 5 RSSIOUT RSSI_FEED 9 6 VCC 130pF LIMIN LIMOUT 11 13 LIM_DEC1 12 LIM_DEC2 20 MIXOUT OSCIN 4 3 OSCOUT 10 QUADIN 1 AUDIOOU T 8...

Страница 98: ...R221 C219 0 1uF C207 470pF C232 0 1uF 150K NC C209 R202 C245 470pF C225 1uF C224 NC 10uF 01uF C213 C223 01uF 1 01uF 470pF TP240 C208 R205 100 470pF C204 220pF C201 22pF C220 NC NC R245 C222 01uF FN_16_8 1 5K 1000pF C217 150K R227 2 7pF 3 7 C203 1000pF C214 R244 51 FN_SYNTH_CS C228 0 1uF C205 R212 0 NU FN_3V NC NC NC R223 100 FN_CLK A2 5 A3 4 K1 1 K2 2 K3 3 D221 A1 6 01uF NC FN_VCO_MOD C221 2K R243...

Страница 99: ...47nH 2 L264 C290 Q280 BFS540 1 3 2 30 L262 R263 0 1uF C272 560nH TX_OUT 13 TX_SWITCH 14 VCC_BUFFERS 18 VCC_LOGI C D251 RX_IADJ 8 RX_OUT 7 RX_SWITCH 3 SUPER_FLTR TRB_IN 19 16 TX_BASE 15 TX_EMITTER 1 TX_IADJ 10 COLL_RFIN 20 FLIP_IN 11 GND_BUFFERS 9 GND_FLAG GND_LOGIC 17 12 PRESC_OUT 5 RX_BASE 6 RX_EMITTER 2 U251 50 U5 4 4 C269 1500pF 36pF 1 C267 C283 1200pF V_SF C284 1200pF R274 33 V_SF C254 3 0 3 3...

Страница 100: ...1 1500pF PA_TX_IN J C103 C137 200pF C122 15pF 6 5 7 8 4 L120 560nH U150 2 LM2904 18pF C123 15pF C141 NU C104 T2 330 R156 J140 G1 G2 S1 S2 T1 1500pF C120 0 1uF C170 C121 1500pF R103 3 3K 5 2 3 6 4 1 C111 NU EMB10 Q170 57R01 U151 PA_TX_EN A C114 1500pF C130 12pF C159 1500pF L121 47nH PA_PWR_SET D121 MA4PH261 2 C109 0 1uF Q150 1 3 13pF C140 1000pF C117 100K 1 R153 C115 1uF 150 R120 C110 0 1uF MMBT390...

Страница 101: ...13743L21 CAP 1500pF Circuit Ref Motorola Part No Description C122 2113740F31 CAP 15pF C123 2113740F31 CAP 15pF C124 2113743L21 CAP 1500pF C130 2113740F29 CAP 12pF C131 2113740F15 CAP 3 3pF C132 2113740F37 CAP 27pF C133 2113740F15 CAP 3 3pF C134 2113740F37 CAP 27pF C135 2113740F17 CAP 3 9pF C136 2113740F30 CAP 13pF C137 2113740F58 CAP 200pF C140 2113740F30 CAP 13pF C141 2113740F33 CAP 18pF C150 211...

Страница 102: ...CAP 0 1uF C463 2113743E20 CAP 0 1uF C464 2113743E20 CAP 0 1uF C465 2113743L17 CAP 1000pF C466 Not_Placed CAP 470pF Circuit Ref Motorola Part No Description C467 2113743L19 CAP 1200pF C470 2113743E20 CAP 0 1uF C471 2113743F18 CAP 2 2uF C472 2113743E20 CAP 0 1uF C473 2113743N54 CAP 150pF C474 2113743N54 CAP 150pF C475 2113743L48 CAP 022uF C476 2113743L48 CAP 022uF C477 2113743M24 CAP 0 1uF C478 2113...

Страница 103: ...M62 RES 330 R57 0662057M90 RES 4 7K R60 0662057M83 RES 2 4K R61 0662057N23 RES 100K R62 0662057M86 RES 3 3K R63 0662057N13 RES 39K Circuit Ref Motorola Part No Description R64 0662057N06 RES 20K R65 0662057N13 RES 39K R66 0662057N06 RES 20K R67 0662057N06 RES 20K R72 0662057M64 RES 390 R73 0662057M80 RES 1 8K R74 0662057M76 RES 1 2K R75 0662057N01 RES 12K R76 0662057V04 RES 12K R77 0662057U99 RES ...

Страница 104: ...62057M50 RES 100 R502 0662057M50 RES 100 R503 0662057M50 RES 100 R504 0662057M50 RES 100 R505 0662057M50 RES 100 R506 0662057M50 RES 100 R507 0662057M50 RES 100 R508 0662057N23 RES 100K R509 0662057N23 RES 100K R510 0662057N35 RES 330K R511 0662057N23 RES 100K R512 0662057N27 RES 150K R513 Not_Placed RES 100K R514 0662057N23 RES 100K R515 Not_Placed RES 0 R516 Not_Placed RES 0 R517 0662057M01 RES ...

Страница 105: ...Commercial Series CP140 CP160 CP180 Portable Radios UHF1 403 440MHz Service Information Issue December 2003 ...

Страница 106: ...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...

Страница 107: ...twork 2 5 3 5 Power Control 2 5 4 0 UHF1 403 440MHz Frequency Generation Circuitry 2 6 4 1 Fractional N Synthesizer 2 7 4 2 Voltage Controlled Oscillator VCO 2 8 Chapter 3 TROUBLESHOOTING TABLES 1 0 Troubleshooting Table for Receiver 3 1 2 0 Troubleshooting Table for Synthesizer 3 3 3 0 Troubleshooting Table for Transmitter 3 4 4 0 Troubleshooting Table for Board and IC Signals 3 6 Chapter 4 UHF P...

Страница 108: ...iv ...

Страница 109: ...P160 Back Cover Kit 403 440 MHz X PMLE4286_ CP180 Back Cover Kit 403 440 MHz X PMLN4601_ CP140 Front Housing Kit 16 Ch X PMLN4602_ CP160 Front Housing Kit 32 Ch X PMLN4603_ CP180 Front Housing Kit 64 Ch X X X NNTN4497_R Li Ion Battery High Capacity 1800 mAH X X X NNTN4851_ NiMh Battery 1400 mAH X X X NNTN4852_ NiMh Battery 1300 mAH FM X X X NNTN4970 Slim Li Ion Battery 1600 mAH X X X WPLN4139_R Ra...

Страница 110: ... 5mm H x 62mm W x 45mm D 130 5mm H x 62mm W x 43mm D 130 5mm H x 62mm W x 42mm D Weight for 16 Channel Model Batteries High Capacity Li Ion NiMH FM NiMH Std Slim Li Ion 376g 13 26 oz 449g 15 83 oz 446g 15 73 oz 337g 13 30 oz Weight for 32 64 Channel Model Batteries High Capacity Li Ion NiMH FM NiMH Std Slim Li Ion 396g 13 97 oz 469g 16 54 oz 467g 16 47 oz 377g 14 0 oz Average Battery Life 5 5 90 D...

Страница 111: ...onse from 6 dB oct Pre emphasis 300 to 3000Hz 1 3 dB Audio Distortion 1000 Hz 60 Rated Max Dev 3 FM Noise 40 dB 12 5 kHz 45 dB 25 kHz Receiver Specifications UHF1 12 5 kHz UHF1 20 25kHz Frequency 403 440 MHz Sensitivity 12dB EIA SINAD 0 25 µV typical Adjacent Channel Selectivity 60 dB 70 dB Intermodulation 70 dB Freq Stability 30 C to 60 C 0 00025 Spur Rejection 75 dB Image and 1 2 I F Rejection 7...

Страница 112: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS ...

Страница 113: ...s the range of 403 440 MHz and provides switchable IF bandwidth for use with 20 25 30 kHz or 12 5 kHz channel spacing systems The receiver is divided into two major blocks as shown in Figure 2 1 Front End Back End Figure 2 1 UHF Receiver Block Diagram Demodulator Crystal Filter 1st Mixer RF Amp IF Amp Preselector Filter Interstage Filter Recovered Audio RSSI RX from Antenna Switch Inj Filter First...

Страница 114: ... off during transmit to reduce dissipation in Q21 Current mirror Q22 maintains the operating current of Q21 constant at 8 mA regardless of device and temperature variations for optimum dynamic range and noise figure The output of the RF amplifier is applied to the interstage filter a fixed tuned 4 pole Butterworth shunt coupled resonator design having a 3 dB bandwidth of 68 MHz centered at 462 MHz...

Страница 115: ... and the limiter input The wider filter FL53 is used for 20 25 kHz channel spacing and the narrower filter FL54 is used for 12 5 kHz channels When the BW_SEL line is high the two upper diodes in packages D51 and D52 are forward biased selecting FL53 for 20 25 kHz channels When the BW_SEL line is low the two lower diodes in packages D51 and D52 are forward biased selecting FL54 for 12 5 kHz channel...

Страница 116: ...ontrol circuit The output power of the module is controlled by varying the DC gate bias on U110 pin 2 VGG 3 2 Antenna Switch The antenna switch consists of two pin diodes D120 and D121 In the receive mode both diodes are off Signals applied at the antenna or at jack J140 are routed via the harmonic filter through network C122 C124 and L121 to the receiver input In the transmit mode Q170 is on and ...

Страница 117: ...power set DAC contained in the ASFICcmp IC DACG U451 pin 6 This PWR_SET voltage is applied to U150 pin 3 Stage U150 2 compares the voltage drop across current sense resistor R150 to the voltage drop across resistor R151 caused by current flow through Q150 and adjusts its output pin 7 to maintain equal voltages at pins 5 and 6 Thus the current flow through Q150 and hence its emitter voltage is prop...

Страница 118: ...complished through the microprocessor SPI_DATA_OUT SPI_CLK and SYNTH_CS chip select lines U409 pins 100 1 and 47 respectively A logic high 3V from U201 pin 4 indicates to the microprocessor that the synthesizer is locked Figure 2 3 UHF Frequency Generation Unit Block Diagram Transmit modulation from the ASFICcmp U451 pin 40 is applied to U201 pin 10 MOD_IN An electronic attenuator in the ASFICcmp ...

Страница 119: ...thin lock range The required frequency is then locked by the normal mode charge pump at pin 43 A loop filter C243 C245 and R243 R245 removes noise and spurs from the steering voltage applied to the VCO varactors with additional filtering located in the VCO circuit Both the normal and adapt charge pumps get their supply from the capacitive voltage multiplier made up of C221 C224 and D220 D221 Two 3...

Страница 120: ... varactor D251 The buffered RF signal at U251 pin 8 is further amplified by Q280 and applied as RX_INJ to the low pass injection filter in the receiver front end circuit In the transmit mode U251 19 is driven high by U201 pin 2 enabling the transmit VCO and buffer The 403 440 MHz RF signal from U251 pin 10 is applied as TX_INJ to the input of the transmitter circuit via matching network C290 C291 ...

Страница 121: ... or battery eliminator Charge or replace battery 2 Defective battery contacts Inspect battery contacts for corrosion or bent terminals Clean repair replace J301 3 Blown fuse Check voltage on each side of fuse If blown 0 VDC after fuse Check for short on output check D301 VR301 trouble shoot repair as needed replace fuse 4 DC switching fault Verify battery voltage present at S444 pin 5 when radio i...

Страница 122: ...el at T42 6 is approx 6 dBm Check that RF level at U251 8 is at least 8 dBm Check injection filter C40 44 L40 41 If yes check Q280 and associ ated parts If no check U251 and components on pins 5 and 6 2 No 5R source Verify U401 49 is high in RX Verify Q311 gate is 0V dc in RX Verify Q311 drain is 5V dc in RX Check replace U401 Check replace Q313 Check for shorts check replace Q311 3 Harmonic filte...

Страница 123: ... Board and IC troubleshooting table Verify steering line voltage is between 3V and 10V Check VCO tank components connected to U251 15 and 16 Check for shorts opens replace U251 Check D261 and associated components 2 Synthesizer fault Verify TRB line U201 2 to U251 19 is high 3V in TX mode Check for shorts check U201 voltages per Board and IC troubleshooting table replace U201 if incorrect 3 Progra...

Страница 124: ... gain stage failure Check RF levels at Q100 and U110 per schematic Troubleshoot Q100 U110 and associated circuitry 8 Antenna switch failure Verify dc voltage at jct R122 L120 is approx 1 5V Check replace D120 121 L120 121 R120 122 etc Low Power 1 Low TX injection Check that RF level at jct R100 R101 per schematic Check U251 L291 292 C290 291 2 Low gain in TX stage Verify dc voltage at Q100 E is 0 ...

Страница 125: ...e U451 Check replace R474 R476 and Q470 2 Defective mic Verify approx 1 8V dc across car tridge when side PTT button is pressed Verify audio present 10 mV rms when speaking into mic Check mic connector and R478 Replace mic cartridge 3 Defective mic jack Verify continuity between J471 pins 4 and 5 Replace J471 No EXT MIC audio 1 Mic bias fault Verify approx 1 8V dc across EXT MIC cartridge in TX mo...

Страница 126: ...ge U510 9 RSSI feedback 0 74 no received signal 10 Quad detector input 2 22 11 Limiter output 1 25 12 Limiter decoupling 2 1 30 13 Limiter decoupling 1 1 30 14 Limiter input 1 28 15 Ground GND 16 IF amp output 1 22 17 IF amp decoupling 2 1 26 18 IF amp input 1 26 19 IF amp decoupling 1 1 26 20 2nd mixer output 3 09 U52 BW Select Switch 1 Inverter 1 input 0 25 kHz mode 2 Inverter 2 output 0 25 kHz ...

Страница 127: ... Vcc 6 79 TX mode U201 Freq Synthesizer 1 AUX2 output NU 0 2 AUX3 output TRB 0 03 To U251 19 RX mode 3 AUX4 output NU 0 4 Lock detect output 2 98 To U401 56 5 PD Vdd 2 98 6 Digital ground GND 7 Serial data input 3 23 8 Serial clock input 0 9 Synth chip select 3 23 From U401 47 10 Modulation input 1 50 From U451 40 11 VMULT4 NU 2 98 12 VMULT3 NU 0 13 VRO 4 96 14 VMULT2 1 49 15 VMULT1 1 49 16 INDMUL...

Страница 128: ... in TX mode 41 Modulation output 3 42 typ 1 62V typ in TX mode 42 CCOMP NU 0 05 43 Steering line IOUT 9 62 typ Depends on frequency 44 PD ground GND 45 Steering line IADAPT 9 62 typ Depends on frequency 46 Adapt switch NU 0 47 Voltage from charge pump 12 8 48 AUX1 output NU 2 98 U251 VCO Buffer 1 TX VCO current adjust 4 50 2 RX VCO current adjust 4 35 3 Superfiltered input 4 51 4 Collector RF in a...

Страница 129: ...ass capacitor 1 26 5 Vout 4 96 U320 3 3V Regulator 1 Ground GND 2 Feedback 1 23 3 Tap NU 0 4 Vin 7 48 5 Vout 3 23 6 Sense NU 0 7 Error reset output 3 20 8 Shutdown input 7 48 U330 3V Regulator 1 Vin 7 48 2 Ground GND 3 Control input 7 48 4 Bypass capacitor 1 26 5 Vout 3 00 U401 Microprocessor 1 PD4_SCK serial clock input 0 2 PD5_SS 3 23 ASFIC chip select 3 PD6_VLIN 3 23 EEPROM chip select 4 PG7_R_...

Страница 130: ...6_ADDR6 3 08 24 PF5_ADDR5 3 06 25 PF4_ADDR4 0 16 26 PF3_ADDR3 0 26 27 PF2_ADDR2 3 06 28 PF1_ADDR1 3 06 29 PFO_ADDR0 3 05 30 PC0_DATA0 0 69 31 PC1_DATA1 0 96 32 PC2_DATA2 1 10 33 PC3_DATA3 0 81 34 PC4_DATA4 0 62 35 PC5_DATA5 0 68 36 PC6_DATA6 0 67 37 PC7_DATA7 0 73 38 PH7_CSPROG 3 05 39 VDDL 3 23 40 VSSL GND 41 PH6_CSGP2 3 23 42 PH5_CSGP1 3 23 43 PH4_CSIO 0 44 PH3_PW4 3 21 On off control output 45 ...

Страница 131: ...LIR 3 12 59 AVDD 3 23 60 PE7_AN7 3 20 61 PE6_AN6 3 20 62 PE5_AN5 2 91 VOX threshold detect 63 PE4_AN4 0 73 RSSI input 64 PE3_AN3 0 14 65 PE2_AN2 1 62 66 PE1_AN1 0 3 3 V Volume control wiper 67 PE0_AN0 2 48 33 of battery voltage 68 VRL 0 69 VRH 3 20 70 AVSS GND 71 PJ0_CSGP3 3 23 Side PTT button 72 PJ1_CSGP4 0 External MIC PTT 73 PJ2 3 23 74 PJ3 3 23 75 PJ4 3 23 76 PJ5 0 77 PJ6 3 23 Bottom option bu...

Страница 132: ...d 92 VDDSYN 0 93 XFC NU 0 94 RESET 3 20 From U320 95 LVOUT 0 96 IRQ 3 20 97 PD0_RXD 3 23 98 PD1_TXD 1 9 99 PD2_MISO 0 100 PD3_MOSI 3 23 U402 EEPROM 1 Chip select 3 23 From U401 3 2 Serial data out 0 3 Write protect 3 23 4 Vss GND 5 Serial data in 3 23 6 Serial clock 0 7 Hold 3 23 8 Vcc 3 23 U404 Flash ROM 1 A11 3 06 2 A9 3 08 3 A8 3 05 4 A13 0 13 5 A14 0 31 6 NC 3 17 7 EN_WE 3 21 From U401 4 8 Vcc...

Страница 133: ...3 01 From U401 38 31 A10 0 16 32 EN_OE 0 From U401 86 U451 ASFIC_CMP 1 VDD for analog circuits 3 00 2 DISC audio input 1 34 From U510 3 Ground for analog circuits GND 4 DACU output 0 5 DACR output 0 6 DACG output 2 38 typ Power set TX mode 7 VOX peak detector output 2 91 8 PLCAP for DC integrator 0 40 9 SQIN 0 01 10 Universal audio input output 0 11 VDD for DACs 4 95 12 SQCAP 0 13 GCB2 general pur...

Страница 134: ...70 29 1200 Hz ref for MDC decode 3 00 30 GNDDO GND 31 Ground for digital circuits GND 32 Vdd for analog switches 4 96 33 Vdd for digital circuits 3 00 34 16 8 MHz master clock input 1 54 35 GCB3 general purpose output 3 00 Internal MIC enable 36 TX audio return from option 0 37 GCB4 general purpose output 0 38 GCB5 general purpose output 0 39 RX audio send to option 1 48 40 Modulation output 1 50 ...

Страница 135: ...7 48 Unsquelched 7 Ground GND 8 output 3 29 Unsquelched U510 Dual Opamp 1 Unit 1 output 1 75 2 Unit 1 input 1 56 3 Unit 1 input 1 55 4 Ground GND 5 Unit 2 input 1 55 6 Unit 2 input 1 56 7 Unit 2 output 1 38 8 Vcc 4 96 1 All voltages are measured with a high impedance digital voltmeter and expressed in volts DC relative to ground 0V 2 Voltages are measured with a DC input voltage of 7 50 02 volts D...

Страница 136: ...3 16 TROUBLESHOOTING TABLES ...

Страница 137: ...onents The UHF schematics and the related PCB and parts list are shown in the table below 1 2 Six Layer Circuit Board The main PCB is a 6 layer circuit board the copper steps are in the layer sequence shown below Table 4 1 UHF1 Diagrams and Parts Lists PCB 8486635Z03_O Main Board Top Side 8486635Z03_O Main Board Bottom Side Page 4 3 Page 4 4 SCHEMATICS Radio Circuit Block Diagram Receiver Front En...

Страница 138: ...4 2 UHF1 PCB SCHEMATICS PARTS LISTS ...

Страница 139: ...503 C504 C505 C506 C507 C513 C521 C522 C523 C524 CR1 D251 D261 D262 D301 D424 D470 D471 E452 E500 F301 4 3 2 FL53 4 3 2 FL54 J140 3 2 J301 J470 6 4 7 5 2 3 J471 L1 L2 L3 L21 L31 L32 L33 L34 L55 L211 L251 L252 L254 L255 L262 L264 L265 L281 L283 L471 M140 Q21 Q171 Q280 Q402 Q403 Q440 Q472 R22 R24 R25 R61 R63 R205 R212 R220 R221 R223 R230 R243 R244 R245 R247 R253 R254 R261 R262 R263 R264 R280 R281 R2...

Страница 140: ...81 L100 L101 L102 L103 L110 L120 L121 L130 L131 L132 L140 L141 L270 L271 L272 L276 L282 L291 L292 Q22 Q51 Q70 4 3 2 Q100 Q150 1 6 3 4 Q170 Q311 Q312 4 3 Q313 4 3 Q410 Q470 4 3 Q471 Q481 Q482 4 3 Q490 Q493 4 3 Q494 Q520 R20 R21 R23 R40 R51 R52 R53 R54 R55 R57 R60 R62 R64 R65 R66 R67 R72 R73 R74 R75 R76 R77 R78 R80 R81 R82 R90 R91 R100 R101 R102 R103 R104 R105 R106 R107 R110 R111 R120 R121 R150 R151...

Страница 141: ...CO_MOD V_SF V_STEER 5R IF_OUT RX_IN RX_INJ 16_8_MHZ 3V 5V LOCK MOD_IN PRESC SPI_CLK SPI_DATA_OUT SYNTH_CS TRB VCO_MOD V_SF V_STEER 5T PWR_SET RX_OUT TX_ENA USWB 5V 5R 3V USWB 5V BW_SEL DEMOD IF_IN RSSI TX_ENA USWB 3V 5T 5T 5V 5R 3V 5R 5V 16_8_MHZ 3V 5R 5T 5V BW_SEL DEMOD LOCK MOD_OUT PWR_SET RSSI SPI_CLK SPI_DATA_OUT SYNTH_CS UHF1 Radio Circuit Block Diagram ...

Страница 142: ...pF BFS505 Q21 1 3 FE_IF_OUT C35 1 12pF 0 C48 RF BALUN 5 NC 4 6 3 2 1 T41 30pF NU C47 TP1 1 C43 1 13pF 1 C10 R24 1 2K C39 1 12pF TP2 1 SH1 SHIELD 1 1 3 2 18nH L55 CR1 2 4pF C30 1 22pF C13 4 2 9 1pF 1 1 C27 NU C46 C42 1 8pF 5 6 C6 1 0 10pF 390pF C25 R51 390pF 10 C21 L51 150nH 51 L2 2 9 85nH L32 27nH 9 85nH 2 L33 2 9 85nH L41 C38 1 16pF 2 5 6 3 1 4 UMT1 Q22 C32 1 3 7 5pF C41 15pF 1 C28 1 15pF C14 L1 ...

Страница 143: ...IN 1 0 1uF 44 395MHz TSS2_44_395MHZ Y51 2 GND 4 GND1 3 2 CC1 5 CC2 1 GND1 4 GND2 3 IN 6 OUT 44 85MHz MXF45 FL51 4 VCC 8 C58 3 9pF PWR_GND U52 4 GND R81 10uF C91 0 1uF C65 1K R75 12K 20K C57 0 1uF 9180468V04 3 GND IN 1 OU T 2 R64 FLTR FL52 C81 1 33pF C70 IF_IN RFIN RFIN_DEC 2 5 RSSIOUT RSSI_FEED 9 6 VCC 130pF LIMIN LIMOUT 11 13 LIM_DEC1 12 LIM_DEC2 20 MIXOUT OSCIN 4 3 OSCOUT 10 QUADIN 1 AUDIOOU T 8...

Страница 144: ...OUT 17 NC1 29 NC2 31 NC3 44 PD_GND PD_VDD 5 32 CLK 7 DATA 6 DGND 36 DVDD 19 FREFOUT 45 IADAPT 16 INDMULT 43 IOUT LOCK AUX2 2 AUX3 3 AUX4 20 AVDD 40 BIAS1 39 BIAS2 42 CCOMP 9 CEX 8 46 ADAPTSW 22 AGND 48 AUX1 1 1 63A27 U201 FN_MOD TP200 C223 01uF 01uF TP240 1 C213 L211 390nH NU R212 0 R206 1 K1 2 K2 3 K3 6 A1 5 A2 4 A3 C221 D221 01uF 2 2uF C215 2 2uF FN_V_SF C218 C230 2 2uF C240 NC FN_VCO_MOD 1 3pF ...

Страница 145: ...91 C271 L271 390pF R272 NU 1 5 6K 0 1uF SH253 SHIELD SH250 SHIELD 1 C274 L262 27nH C268 20 0 5pF VCO_RX_INJ R253 V_SF 4 7K 33 2 12 5nH R280 C256 2 8 3 6pF L264 33nH V_SF 910 NC L281 L255 R282 22K NC 220nH 130 R261 R283 6 8pF 1 5 C267 C272 0 1uF L276 R284 330 R277 27nH R276 NU 0 C251 0888600M03 VCO_3V 8 2K 150pF 220nH R281 V_SF L272 L291 6 8nH 100 R254 C252 C276 3 9pF NU L252 27nH 3 6pF C282 R262 6...

Страница 146: ...100 220nH 820 0 1uF C101 L100 R158 5 1K 390pF C151 390pF C172 3pF C107 1 8K R111 C525 PA_RX_OU T 390pF 2 3 4 1 C170 390pF PA_PWR_SET BFG540W Q100 R110 PA_TX_ENA 510 Q171 R152 1 100K Q150 1 3 2 R159 0 390pF C158 390pF R103 C154 R157 2 2K 3K R101 5 6 R121 150 C122 9 1pF U150 2 LM2904 6 5 7 8 4 R162 8 7nH L102 10K 820 R102 PA_USWB 390pF C113 390pF C152 330 R156 220pF C124 0 47uF C153 C121 390pF C105 ...

Страница 147: ...F Circuit Ref Motorola Part No Description C107 2113743N13 CAP 3pF C108 2113743L07 CAP 390pF C109 2113743M24 CAP 0 1uF C111 2113743L07 CAP 390pF C112 2113743M24 CAP 0 1uF C113 2113743L07 CAP 390pF C114 2113743L07 CAP 390pF C115 2311049A07 CAPP 1uF C116 2113743M24 CAP 0 1uF C117 2113740F65 CAP 390pF C120 Not_Placed CAP 8 2pF C121 2113743L07 CAP 390pF C122 2113740F26 CAP 9 1pF C123 2113740F21 CAP 5 ...

Страница 148: ... C458 2113743E20 CAP 0 1uF C459 2113743E20 CAP 0 1uF C460 2113743E20 CAP 0 1uF C461 2113743L17 CAP 1000pF Circuit Ref Motorola Part No Description C462 2113743E20 CAP 0 1uF C463 2113743E20 CAP 0 1uF C464 2113743E20 CAP 0 1uF C465 2113743L17 CAP 1000pF C466 Not_Placed CAP 470pF C467 2113743L19 CAP 1200pF C470 2113743E20 CAP 0 1uF C471 2113743F18 CAP 2 2uF C472 2113743E20 CAP 0 1uF C473 2113743N54 C...

Страница 149: ...7M92 RES 5 6K R21 0662057M47 RES 75 R22 0662057M92 RES 5 6K R23 0662057N09 RES 27K R24 0662057M76 RES 1 2K R25 0662057M92 RES 5 6K R40 0662057M74 RES 1K Circuit Ref Motorola Part No Description R51 0662057M43 RES 51 R52 0662057N01 RES 12K R53 0662057N11 RES 33K R54 0662057M91 RES 5 1K R55 0662057M62 RES 330 R57 0662057M90 RES 4 7K R60 0662057M83 RES 2 4K R61 0662057N23 RES 100K R62 0662057M86 RES ...

Страница 150: ..._Placed RES 10K R497 Not_Placed RES 1MEG R498 Not_Placed RES 47K R499 Not_Placed RES 270K R501 0662057M50 RES 100 R502 0662057M50 RES 100 R503 0662057M50 RES 100 R504 0662057M50 RES 100 R505 0662057M50 RES 100 R506 0662057M50 RES 100 R507 0662057M50 RES 100 R508 0662057N23 RES 100K R509 0662057N23 RES 100K R510 0662057N35 RES 330K Circuit Ref Motorola Part No Description R511 0662057N23 RES 100K R...

Страница 151: ...Commercial Series CP140 CP160 CP180 Portable Radios UHF2 438 470MHz Service Information Issue December 2003 ...

Страница 152: ...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...

Страница 153: ...twork 2 5 3 5 Power Control 2 5 4 0 UHF2 438 470MHz Frequency Generation Circuitry 2 6 4 1 Fractional N Synthesizer 2 7 4 2 Voltage Controlled Oscillator VCO 2 8 Chapter 3 TROUBLESHOOTING TABLES 1 0 Troubleshooting Table for Receiver 3 1 2 0 Troubleshooting Table for Synthesizer 3 3 3 0 Troubleshooting Table for Transmitter 3 4 4 0 Troubleshooting Table for Board and IC Signals 3 6 Chapter 4 UHF P...

Страница 154: ...iv ...

Страница 155: ...P160 Back Cover Kit 438 470 MHz X PMLE4291_ CP180 Back Cover Kit 438 470 MHz X PMLN4601_ CP140 Front Housing Kit 16 Ch X PMLN4602_ CP160 Front Housing Kit 32 Ch X PMLN4603_ CP180 Front Housing Kit 64 Ch X X X NNTN4497_R Li Ion Battery High Capacity 1800 mAH X X X NNTN4851_ NiMh Battery 1400 mAH X X X NNTN4852_ NiMh Battery 1300 mAH FM X X X NNTN4970 Slim Li Ion Battery 1600 mAH X X X WPLN4139_R Ra...

Страница 156: ... 5mm H x 62mm W x 45mm D 130 5mm H x 62mm W x 43mm D 130 5mm H x 62mm W x 42mm D Weight for 16 Channel Model Batteries High Capacity Li Ion NiMH FM NiMH Std Slim Li Ion 376g 13 26 oz 449g 15 83 oz 446g 15 73 oz 337g 13 30 oz Weight for 32 64 Channel Model Batteries High Capacity Li Ion NiMH FM NiMH Std Slim Li Ion 396g 13 97 oz 469g 16 54 oz 467g 16 47 oz 377g 14 0 oz Average Battery Life 5 5 90 D...

Страница 157: ...6 dB oct Pre emphasis 300 to 3000Hz 1 3 dB Audio Distortion 1000 Hz 60 Rated Max Dev 3 FM Noise 40 dB 12 5 kHz 45 dB 25 kHz Receiver Specifications UHF2 12 5 kHz UHF2 20 25kHz Frequency 438 470 MHz Sensitivity 12dB EIA SINAD 0 25 µV typical Adjacent Channel Selectivity 60 dB 70 dB Intermodulation 70 dB Freq Stability 30 C to 60 C 0 00025 Spur Rejection 75 dB Image and 1 2 I F Rejection 70 dB Audio...

Страница 158: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS ...

Страница 159: ...s the range of 438 470 MHz and provides switchable IF bandwidth for use with 20 25 30 kHz or 12 5 kHz channel spacing systems The receiver is divided into two major blocks as shown in Figure 2 1 Front End Back End Figure 2 1 UHF Receiver Block Diagram Demodulator Crystal Filter 1st Mixer RF Amp IF Amp Preselector Filter Interstage Filter Recovered Audio RSSI RX from Antenna Switch Inj Filter First...

Страница 160: ...d off during transmit to reduce dissipation in Q21 Current mirror Q22 maintains the operating current of Q21 constant at 8 mA regardless of device and temperature variations for optimum dynamic range and noise figure The output of the RF amplifier is applied to the interstage filter a fixed tuned 4 pole Butterworth shunt coupled resonator design having a 3 dB bandwidth of 68 MHz centered at 462 MH...

Страница 161: ... and the limiter input The wider filter FL53 is used for 20 25 kHz channel spacing and the narrower filter FL54 is used for 12 5 kHz channels When the BW_SEL line is high the two upper diodes in packages D51 and D52 are forward biased selecting FL53 for 20 25 kHz channels When the BW_SEL line is low the two lower diodes in packages D51 and D52 are forward biased selecting FL54 for 12 5 kHz channel...

Страница 162: ...trol circuit The output power of the module is controlled by varying the DC gate bias on U110 pin 2 VGG 3 2 Antenna Switch The antenna switch consists of two pin diodes D120 and D121 In the receive mode both diodes are off Signals applied at the antenna or at jack J140 are routed via the harmonic filter through network C122 C124 and L121 to the receiver input In the transmit mode Q170 is on and TX...

Страница 163: ...power set DAC contained in the ASFICcmp IC DACG U451 pin 6 This PWR_SET voltage is applied to U150 pin 3 Stage U150 2 compares the voltage drop across current sense resistor R150 to the voltage drop across resistor R151 caused by current flow through Q150 and adjusts its output pin 7 to maintain equal voltages at pins 5 and 6 Thus the current flow through Q150 and hence its emitter voltage is prop...

Страница 164: ...complished through the microprocessor SPI_DATA_OUT SPI_CLK and SYNTH_CS chip select lines U409 pins 100 1 and 47 respectively A logic high 3V from U201 pin 4 indicates to the microprocessor that the synthesizer is locked Figure 2 3 UHF Frequency Generation Unit Block Diagram Transmit modulation from the ASFICcmp U451 pin 40 is applied to U201 pin 10 MOD_IN An electronic attenuator in the ASFICcmp ...

Страница 165: ...thin lock range The required frequency is then locked by the normal mode charge pump at pin 43 A loop filter C243 C245 and R243 R245 removes noise and spurs from the steering voltage applied to the VCO varactors with additional filtering located in the VCO circuit Both the normal and adapt charge pumps get their supply from the capacitive voltage multiplier made up of C221 C224 and D220 D221 Two 3...

Страница 166: ... varactor D251 The buffered RF signal at U251 pin 8 is further amplified by Q280 and applied as RX_INJ to the low pass injection filter in the receiver front end circuit In the transmit mode U251 19 is driven high by U201 pin 2 enabling the transmit VCO and buffer The 438 470 MHz RF signal from U251 pin 10 is applied as TX_INJ to the input of the transmitter circuit via matching network C290 C291 ...

Страница 167: ... or battery eliminator Charge or replace battery 2 Defective battery contacts Inspect battery contacts for corrosion or bent terminals Clean repair replace J301 3 Blown fuse Check voltage on each side of fuse If blown 0 VDC after fuse Check for short on output check D301 VR301 trouble shoot repair as needed replace fuse 4 DC switching fault Verify battery voltage present at S444 pin 5 when radio i...

Страница 168: ...el at T42 6 is approx 6 dBm Check that RF level at U251 8 is at least 8 dBm Check injection filter C40 44 L40 41 If yes check Q280 and associ ated parts If no check U251 and components on pins 5 and 6 2 No 5R source Verify U401 49 is high in RX Verify Q311 gate is 0V dc in RX Verify Q311 drain is 5V dc in RX Check replace U401 Check replace Q313 Check for shorts check replace Q311 3 Harmonic filte...

Страница 169: ... Board and IC troubleshooting table Verify steering line voltage is between 3V and 10V Check VCO tank components connected to U251 15 and 16 Check for shorts opens replace U251 Check D261 and associated components 2 Synthesizer fault Verify TRB line U201 2 to U251 19 is high 3V in TX mode Check for shorts check U201 voltages per Board and IC troubleshooting table replace U201 if incorrect 3 Progra...

Страница 170: ...gain stage failure Check RF levels at Q100 and U110 per schematic Troubleshoot Q100 U110 and associated circuitry 8 Antenna switch failure Verify dc voltage at jct R122 L120 is approx 1 5V Check replace D120 121 L120 121 R120 122 etc Low Power 1 Low TX injection Check that RF level at jct R100 R101 per schematic Check U251 L291 292 C290 291 2 Low gain in TX stage Verify dc voltage at Q100 E is 0 5...

Страница 171: ...e U451 Check replace R474 R476 and Q470 2 Defective mic Verify approx 1 8V dc across car tridge when side PTT button is pressed Verify audio present 10 mV rms when speaking into mic Check mic connector and R478 Replace mic cartridge 3 Defective mic jack Verify continuity between J471 pins 4 and 5 Replace J471 No EXT MIC audio 1 Mic bias fault Verify approx 1 8V dc across EXT MIC cartridge in TX mo...

Страница 172: ...ge U510 9 RSSI feedback 0 74 no received signal 10 Quad detector input 2 22 11 Limiter output 1 25 12 Limiter decoupling 2 1 30 13 Limiter decoupling 1 1 30 14 Limiter input 1 28 15 Ground GND 16 IF amp output 1 22 17 IF amp decoupling 2 1 26 18 IF amp input 1 26 19 IF amp decoupling 1 1 26 20 2nd mixer output 3 09 U52 BW Select Switch 1 Inverter 1 input 0 25 kHz mode 2 Inverter 2 output 0 25 kHz ...

Страница 173: ... Vcc 6 79 TX mode U201 Freq Synthesizer 1 AUX2 output NU 0 2 AUX3 output TRB 0 03 To U251 19 RX mode 3 AUX4 output NU 0 4 Lock detect output 2 98 To U401 56 5 PD Vdd 2 98 6 Digital ground GND 7 Serial data input 3 23 8 Serial clock input 0 9 Synth chip select 3 23 From U401 47 10 Modulation input 1 50 From U451 40 11 VMULT4 NU 2 98 12 VMULT3 NU 0 13 VRO 4 96 14 VMULT2 1 49 15 VMULT1 1 49 16 INDMUL...

Страница 174: ... in TX mode 41 Modulation output 3 42 typ 1 62V typ in TX mode 42 CCOMP NU 0 05 43 Steering line IOUT 9 62 typ Depends on frequency 44 PD ground GND 45 Steering line IADAPT 9 62 typ Depends on frequency 46 Adapt switch NU 0 47 Voltage from charge pump 12 8 48 AUX1 output NU 2 98 U251 VCO Buffer 1 TX VCO current adjust 4 50 2 RX VCO current adjust 4 35 3 Superfiltered input 4 51 4 Collector RF in a...

Страница 175: ...ass capacitor 1 26 5 Vout 4 96 U320 3 3V Regulator 1 Ground GND 2 Feedback 1 23 3 Tap NU 0 4 Vin 7 48 5 Vout 3 23 6 Sense NU 0 7 Error reset output 3 20 8 Shutdown input 7 48 U330 3V Regulator 1 Vin 7 48 2 Ground GND 3 Control input 7 48 4 Bypass capacitor 1 26 5 Vout 3 00 U401 Microprocessor 1 PD4_SCK serial clock input 0 2 PD5_SS 3 23 ASFIC chip select 3 PD6_VLIN 3 23 EEPROM chip select 4 PG7_R_...

Страница 176: ...6_ADDR6 3 08 24 PF5_ADDR5 3 06 25 PF4_ADDR4 0 16 26 PF3_ADDR3 0 26 27 PF2_ADDR2 3 06 28 PF1_ADDR1 3 06 29 PFO_ADDR0 3 05 30 PC0_DATA0 0 69 31 PC1_DATA1 0 96 32 PC2_DATA2 1 10 33 PC3_DATA3 0 81 34 PC4_DATA4 0 62 35 PC5_DATA5 0 68 36 PC6_DATA6 0 67 37 PC7_DATA7 0 73 38 PH7_CSPROG 3 05 39 VDDL 3 23 40 VSSL GND 41 PH6_CSGP2 3 23 42 PH5_CSGP1 3 23 43 PH4_CSIO 0 44 PH3_PW4 3 21 On off control output 45 ...

Страница 177: ...LIR 3 12 59 AVDD 3 23 60 PE7_AN7 3 20 61 PE6_AN6 3 20 62 PE5_AN5 2 91 VOX threshold detect 63 PE4_AN4 0 73 RSSI input 64 PE3_AN3 0 14 65 PE2_AN2 1 62 66 PE1_AN1 0 3 3 V Volume control wiper 67 PE0_AN0 2 48 33 of battery voltage 68 VRL 0 69 VRH 3 20 70 AVSS GND 71 PJ0_CSGP3 3 23 Side PTT button 72 PJ1_CSGP4 0 External MIC PTT 73 PJ2 3 23 74 PJ3 3 23 75 PJ4 3 23 76 PJ5 0 77 PJ6 3 23 Bottom option bu...

Страница 178: ...d 92 VDDSYN 0 93 XFC NU 0 94 RESET 3 20 From U320 95 LVOUT 0 96 IRQ 3 20 97 PD0_RXD 3 23 98 PD1_TXD 1 9 99 PD2_MISO 0 100 PD3_MOSI 3 23 U402 EEPROM 1 Chip select 3 23 From U401 3 2 Serial data out 0 3 Write protect 3 23 4 Vss GND 5 Serial data in 3 23 6 Serial clock 0 7 Hold 3 23 8 Vcc 3 23 U404 Flash ROM 1 A11 3 06 2 A9 3 08 3 A8 3 05 4 A13 0 13 5 A14 0 31 6 NC 3 17 7 EN_WE 3 21 From U401 4 8 Vcc...

Страница 179: ...3 01 From U401 38 31 A10 0 16 32 EN_OE 0 From U401 86 U451 ASFIC_CMP 1 VDD for analog circuits 3 00 2 DISC audio input 1 34 From U510 3 Ground for analog circuits GND 4 DACU output 0 5 DACR output 0 6 DACG output 2 38 typ Power set TX mode 7 VOX peak detector output 2 91 8 PLCAP for DC integrator 0 40 9 SQIN 0 01 10 Universal audio input output 0 11 VDD for DACs 4 95 12 SQCAP 0 13 GCB2 general pur...

Страница 180: ...70 29 1200 Hz ref for MDC decode 3 00 30 GNDDO GND 31 Ground for digital circuits GND 32 Vdd for analog switches 4 96 33 Vdd for digital circuits 3 00 34 16 8 MHz master clock input 1 54 35 GCB3 general purpose output 3 00 Internal MIC enable 36 TX audio return from option 0 37 GCB4 general purpose output 0 38 GCB5 general purpose output 0 39 RX audio send to option 1 48 40 Modulation output 1 50 ...

Страница 181: ...7 48 Unsquelched 7 Ground GND 8 output 3 29 Unsquelched U510 Dual Opamp 1 Unit 1 output 1 75 2 Unit 1 input 1 56 3 Unit 1 input 1 55 4 Ground GND 5 Unit 2 input 1 55 6 Unit 2 input 1 56 7 Unit 2 output 1 38 8 Vcc 4 96 1 All voltages are measured with a high impedance digital voltmeter and expressed in volts DC relative to ground 0V 2 Voltages are measured with a DC input voltage of 7 50 02 volts D...

Страница 182: ...3 16 TROUBLESHOOTING TABLES ...

Страница 183: ...onents The UHF schematics and the related PCB and parts list are shown in the table below 1 2 Six Layer Circuit Board The main PCB is a 6 layer circuit board the copper steps are in the layer sequence shown below Table 4 1 UHF2 Diagrams and Parts Lists PCB 8486348Z13_C Main Board Top Side 8486348Z13_C Main Board Bottom Side Page 4 3 Page 4 4 SCHEMATICS Radio Circuit Block Diagram Receiver Front En...

Страница 184: ...4 2 UHF2 PCB SCHEMATICS PARTS LISTS ...

Страница 185: ...503 C504 C505 C506 C507 C513 C521 C522 C523 C524 CR1 D251 D261 D262 D301 D424 D470 D471 E452 E500 F301 4 3 2 FL53 4 3 2 FL54 J140 3 2 J301 J470 6 4 7 5 2 3 J471 L1 L2 L3 L21 L31 L32 L33 L34 L55 L211 L251 L252 L254 L255 L262 L264 L265 L281 L283 L471 M140 Q21 Q171 Q280 Q402 Q403 Q440 Q472 R22 R24 R25 R61 R63 R205 R212 R220 R221 R223 R230 R243 R244 R245 R247 R253 R254 R261 R262 R263 R264 R280 R281 R2...

Страница 186: ...L51 L52 L53 L54 L81 L100 L101 L102 L103 L110 L120 L121 L130 L131 L132 L140 L141 L270 L271 L272 L276 L282 L291 L292 Q22 Q51 Q70 4 3 2 Q100 Q150 1 6 3 4 Q170 Q311 Q312 4 3 Q313 4 3 Q410 Q470 4 3 Q471 Q481 Q482 4 3 Q490 Q493 4 3 Q494 Q520 R20 R21 R23 R40 R51 R52 R53 R54 R55 R57 R60 R62 R64 R65 R66 R67 R72 R73 R74 R75 R76 R77 R78 R80 R81 R82 R90 R91 R100 R101 R102 R103 R104 R105 R106 R107 R110 R111 R1...

Страница 187: ...PRESC RX_INJ TRB TX_INJ VCO_MOD V_SF V_STEER 5V BW_SEL DEMOD RX_INJ 16_8_MHZ 3V 5V LOCK MOD_IN PRESC SPI_CLK SPI_DATA_OUT SYNTH_CS TRB VCO_MOD V_SF V_STEER 5T PWR_SET 5R USWB 5V 5R 3V USWB 5R IF_OUT RX_IN SPI_CLK SPI_DATA_OUT SYNTH_CS TX_ENA USWB 3V 5T 5T 5V 5R 3V 5V 16_8_MHZ 3V 5R 5T 5V BW_SEL DEMOD LOCK MOD_OUT PWR_SET RSSI UHF2 Radio Circuit Block Diagram ...

Страница 188: ... 7 1 5pF 680nH L52 0 C48 BFS505 Q21 1 3 2 FE_IF_OUT C35 1 3 7 5pF 1 C43 20pF 4 6 3 2 1 TP1 T41 RF BALUN 5 NC C47 1 TP2 1 SH1 SHIELD CR1 1 3 2 22nH L55 1 16pF C1 C30 C27 9 1pF 1 1 C33 7 5pF 1 3 390pF 20pF 1 C23 1 5pF 6 7 C14 C2 8pF 1 25 C6 9 1pF 1 1 5 1pF C521 FE_RF_INJ R25 5 6K T42 5 NC 4 6 3 2 1 IF BALUN NC L2 2 9 85nH L21 22nH 1K R40 C45 16pF NC L33 2 9 85nH C7 1 16pF FE_5R 0 5pF C524 R22 5 6K C...

Страница 189: ...IN 1 0 1uF 44 395MHz TSS2_44_395MHZ Y51 2 GND 4 GND1 3 2 CC1 5 CC2 1 GND1 4 GND2 3 IN 6 OUT 44 85MHz MXF45 FL51 4 VCC 8 C58 3 9pF PWR_GND U52 4 GND R81 10uF C91 0 1uF C65 1K R75 12K 20K C57 0 1uF 9180468V04 3 GND IN 1 OU T 2 R64 FLTR FL52 C81 1 33pF C70 IF_IN RFIN RFIN_DEC 2 5 RSSIOUT RSSI_FEED 9 6 VCC 130pF LIMIN LIMOUT 11 13 LIM_DEC1 12 LIM_DEC2 20 MIXOUT OSCIN 4 3 OSCOUT 10 QUADIN 1 AUDIOOU T 8...

Страница 190: ... 14R06 16 8MHz XTAL1 23 XTAL2 24 C202 1 62pF VBPASS 21 VCP 47 VMULT1 15 VMULT2 14 VMULT3 12 VMULT4 11 13 VRO WARP 25 PVREF 35 REFSEL 18 SFBASE 27 SFCAP 26 SFIN 30 SFOUT 28 TEST1 37 TEST2 38 NC1 17 NC2 29 NC3 31 PD_GND 44 5 PD_VDD PREIN 32 PRE_GND 33 PRE_VDD 34 DVDD 36 FREFOUT 19 IADAPT 45 INDMULT 16 IOUT 43 4 LOCK MODIN 10 MODOUT 41 AVDD 20 BIAS1 40 BIAS2 39 CCOMP 42 CEX 9 CLK 8 DATA 7 DGND 6 U201...

Страница 191: ...4 7pF 2 1 C263 100 R275 R273 330 1 3 2 0 R285 Q280 BFS540 VCO_TRB D251 VCO_V_STEER R271 5 1K C281 C285 390pF 390pF 0 1uF C292 12 5nH 2 L254 VCO_TX_INJ 6 2pF C286 C275 390pF C283 390pF V_SF D262 1SV229 NC L255 220nH 22K R261 TX_EMITTER 1 TX_IADJ 10 TX_OUT 13 TX_SWITCH 14 VCC_BUFFERS 18 VCC_LOGIC RX_BASE 6 RX_EMITTER 2 RX_IADJ 8 RX_OUT 7 RX_SWITCH 3 SUPER_FLTR TRB_IN 19 16 TX_BASE 15 4 COLL_RFIN 20 ...

Страница 192: ... R104 220nH C100 Q171 L100 R152 1 100K 390pF C159 PA_USWB PA_TX_EN A 5 1nH L103 TP150 1 3 9pF PA_TX_IN J C105 57R01 U151 NC U150 1 LM2904 2 3 1 8 4 220nH L101 100K 1 R154 100K 1 R153 C133 NU C153 C108 0 47uF L110 390pF C111 220nH C135 NU 390pF C101 TAB1 1 TAB2 2 TAB3 3 TAB4 4 0 1uF M140 ANTENNA_NUT 01uF C156 C131 NU 17 02nH L131 PA_RX_OU T 3K R103 R157 2 2K R101 5 6 C122 5 1pF Q150 1 3 2 L120 220n...

Страница 193: ... Circuit Ref Motorola Part No Description C107 Not_Placed CAP 27pF C108 2113743L07 CAP 390pF C109 2113743M24 CAP 0 1uF C111 2113743L07 CAP 390pF C112 2113743M24 CAP 0 1uF C113 2113743L07 CAP 390pF C114 2113743L07 CAP 390pF C115 2311049A07 CAPP 1uF C116 2113743M24 CAP 0 1uF C117 2113740F65 CAP 390pF C120 Not_Placed CAP 8 2pF C121 2113743L07 CAP 390pF C122 2113740F20 CAP 5 1pF C123 2113740F17 CAP 3 ...

Страница 194: ... 2113743E20 CAP 0 1uF C453 2113743E20 CAP 0 1uF C454 2113743E20 CAP 0 1uF C455 2113743L48 CAP 022uF Circuit Ref Motorola Part No Description C456 2113743E20 CAP 0 1uF C457 2113743E20 CAP 0 1uF C458 2113743E20 CAP 0 1uF C459 2113743E20 CAP 0 1uF C460 2113743E20 CAP 0 1uF C461 2113743L17 CAP 1000pF C462 2113743E20 CAP 0 1uF C463 2113743E20 CAP 0 1uF C464 2113743E20 CAP 0 1uF C465 2113743L17 CAP 1000...

Страница 195: ...4802245J54 UMG5 Q493 4809579E18 TP0101T Q494 4802245J54 UMG5 Q520 4813824A10 MMBT3904 R20 0662057M92 RES 5 6K R21 0662057M50 RES 100 R22 0662057M92 RES 5 6K Circuit Ref Motorola Part No Description R23 0662057N09 RES 27K R24 0662057M78 RES 1 5K R25 0662057M92 RES 5 6K R40 0662057M74 RES 1K R51 0662057M43 RES 51 R52 0662057N01 RES 12K R53 0662057N11 RES 33K R54 0662057M91 RES 5 1K R55 0662057M62 RE...

Страница 196: ...K R494 0662057V43 RES 330K R495 0662057M92 RES 5 6K R496 Not_Placed RES 10K R497 0662057N47 RES 1MEG R498 0662057N15 RES 47K R499 0662057N33 RES 270K R501 0662057M50 RES 100 R502 0662057M50 RES 100 R503 0662057M50 RES 100 R504 0662057M50 RES 100 R505 0662057M50 RES 100 R506 0662057M50 RES 100 R507 0662057M50 RES 100 Circuit Ref Motorola Part No Description R508 0662057N23 RES 100K R509 0662057N23 ...

Страница 197: ...Commercial Series CP140 CP160 CP180 Portable Radios UHF3 465 495MHz Service Information Issue December 2003 ...

Страница 198: ...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...

Страница 199: ...twork 2 5 3 5 Power Control 2 5 4 0 UHF3 465 495MHz Frequency Generation Circuitry 2 6 4 1 Fractional N Synthesizer 2 7 4 2 Voltage Controlled Oscillator VCO 2 8 Chapter 3 TROUBLESHOOTING TABLES 1 0 Troubleshooting Table for Receiver 3 1 2 0 Troubleshooting Table for Synthesizer 3 3 3 0 Troubleshooting Table for Transmitter 3 4 4 0 Troubleshooting Table for Board and IC Signals 3 6 Chapter 4 UHF P...

Страница 200: ...iv ...

Страница 201: ...160 Back Cover Kit 465 495 MHz X PMLE42 _ CP180 Back Cover Kit 465 495 MHz X PMLN4601_ CP140 Front Housing Kit 16 Ch X PMLN4602_ CP160 Front Housing Kit 32 Ch X PMLN4603_ CP180 Front Housing Kit 64 Ch X X X NNTN4497_R Li Ion Battery High Capacity 1800 mAH X X X NNTN4851_ NiMh Battery 1400 mAH X X X NNTN4852_ NiMh Battery 1300 mAH FM X X X NNTN4970 Slim Li Ion Battery 1600 mAH X X X WPLN4139_R Rapi...

Страница 202: ... 5mm H x 62mm W x 45mm D 130 5mm H x 62mm W x 43mm D 130 5mm H x 62mm W x 42mm D Weight for 16 Channel Model Batteries High Capacity Li Ion NiMH FM NiMH Std Slim Li Ion 376g 13 26 oz 449g 15 83 oz 446g 15 73 oz 337g 13 30 oz Weight for 32 64 Channel Model Batteries High Capacity Li Ion NiMH FM NiMH Std Slim Li Ion 396g 13 97 oz 469g 16 54 oz 467g 16 47 oz 377g 14 0 oz Average Battery Life 5 5 90 D...

Страница 203: ...mphasis 300 to 3000Hz 1 3 dB Audio Distortion 1000 Hz 60 Rated Max Dev 3 FM Noise 40 dB 12 5 kHz 45 dB 25 kHz Receiver Specifications UHF3 12 5 kHz UHF3 20 25kHz Frequency 465 495 MHz Sensitivity 12dB EIA SINAD 0 25 µV typical Adjacent Channel Selectivity 60 dB 70 dB Intermodulation 70 dB Freq Stability 30 C to 60 C 0 00025 Spur Rejection 75 dB Image and 1 2 I F Rejection 70 dB Audio Output 5 Dist...

Страница 204: ...1 4 MODEL CHART AND TECHNICAL SPECIFICATIONS ...

Страница 205: ...s the range of 465 495 MHz and provides switchable IF bandwidth for use with 20 25 30 kHz or 12 5 kHz channel spacing systems The receiver is divided into two major blocks as shown in Figure 2 1 Front End Back End Figure 2 1 UHF Receiver Block Diagram Demodulator Crystal Filter 1st Mixer RF Amp IF Amp Preselector Filter Interstage Filter Recovered Audio RSSI RX from Antenna Switch Inj Filter First...

Страница 206: ... off during transmit to reduce dissipation in Q21 Current mirror Q22 maintains the operating current of Q21 constant at 8 mA regardless of device and temperature variations for optimum dynamic range and noise figure The output of the RF amplifier is applied to the interstage filter a fixed tuned 4 pole Butterworth shunt coupled resonator design having a 3 dB bandwidth of 68 MHz centered at 480 MHz...

Страница 207: ... and the limiter input The wider filter FL53 is used for 20 25 kHz channel spacing and the narrower filter FL54 is used for 12 5 kHz channels When the BW_SEL line is high the two upper diodes in packages D51 and D52 are forward biased selecting FL53 for 20 25 kHz channels When the BW_SEL line is low the two lower diodes in packages D51 and D52 are forward biased selecting FL54 for 12 5 kHz channel...

Страница 208: ...trol circuit The output power of the module is controlled by varying the DC gate bias on U110 pin 2 VGG 3 2 Antenna Switch The antenna switch consists of two pin diodes D120 and D121 In the receive mode both diodes are off Signals applied at the antenna or at jack J140 are routed via the harmonic filter through network C122 C124 and L121 to the receiver input In the transmit mode Q170 is on and TX...

Страница 209: ...power set DAC contained in the ASFICcmp IC DACG U451 pin 6 This PWR_SET voltage is applied to U150 pin 3 Stage U150 2 compares the voltage drop across current sense resistor R150 to the voltage drop across resistor R151 caused by current flow through Q150 and adjusts its output pin 7 to maintain equal voltages at pins 5 and 6 Thus the current flow through Q150 and hence its emitter voltage is prop...

Страница 210: ...complished through the microprocessor SPI_DATA_OUT SPI_CLK and SYNTH_CS chip select lines U409 pins 100 1 and 47 respectively A logic high 3V from U201 pin 4 indicates to the microprocessor that the synthesizer is locked Figure 2 3 UHF Frequency Generation Unit Block Diagram Transmit modulation from the ASFICcmp U451 pin 40 is applied to U201 pin 10 MOD_IN An electronic attenuator in the ASFICcmp ...

Страница 211: ...thin lock range The required frequency is then locked by the normal mode charge pump at pin 43 A loop filter C243 C245 and R243 R245 removes noise and spurs from the steering voltage applied to the VCO varactors with additional filtering located in the VCO circuit Both the normal and adapt charge pumps get their supply from the capacitive voltage multiplier made up of C221 C224 and D220 D221 Two 3...

Страница 212: ... varactor D251 The buffered RF signal at U251 pin 8 is further amplified by Q280 and applied as RX_INJ to the low pass injection filter in the receiver front end circuit In the transmit mode U251 19 is driven high by U201 pin 2 enabling the transmit VCO and buffer The 465 495 MHz RF signal from U251 pin 10 is applied as TX_INJ to the input of the transmitter circuit via matching network C290 C291 ...

Страница 213: ... or battery eliminator Charge or replace battery 2 Defective battery contacts Inspect battery contacts for corrosion or bent terminals Clean repair replace J301 3 Blown fuse Check voltage on each side of fuse If blown 0 VDC after fuse Check for short on output check D301 VR301 trouble shoot repair as needed replace fuse 4 DC switching fault Verify battery voltage present at S444 pin 5 when radio i...

Страница 214: ...el at T42 6 is approx 6 dBm Check that RF level at U251 8 is at least 8 dBm Check injection filter C40 44 L40 41 If yes check Q280 and associ ated parts If no check U251 and components on pins 5 and 6 2 No 5R source Verify U401 49 is high in RX Verify Q311 gate is 0V dc in RX Verify Q311 drain is 5V dc in RX Check replace U401 Check replace Q313 Check for shorts check replace Q311 3 Harmonic filte...

Страница 215: ... Board and IC troubleshooting table Verify steering line voltage is between 3V and 10V Check VCO tank components connected to U251 15 and 16 Check for shorts opens replace U251 Check D261 and associated components 2 Synthesizer fault Verify TRB line U201 2 to U251 19 is high 3V in TX mode Check for shorts check U201 voltages per Board and IC troubleshooting table replace U201 if incorrect 3 Progra...

Страница 216: ...gain stage failure Check RF levels at Q100 and U110 per schematic Troubleshoot Q100 U110 and associated circuitry 8 Antenna switch failure Verify dc voltage at jct R122 L120 is approx 1 5V Check replace D120 121 L120 121 R120 122 etc Low Power 1 Low TX injection Check that RF level at jct R100 R101 per schematic Check U251 L291 292 C290 291 2 Low gain in TX stage Verify dc voltage at Q100 E is 0 5...

Страница 217: ...e U451 Check replace R474 R476 and Q470 2 Defective mic Verify approx 1 8V dc across car tridge when side PTT button is pressed Verify audio present 10 mV rms when speaking into mic Check mic connector and R478 Replace mic cartridge 3 Defective mic jack Verify continuity between J471 pins 4 and 5 Replace J471 No EXT MIC audio 1 Mic bias fault Verify approx 1 8V dc across EXT MIC cartridge in TX mo...

Страница 218: ...ge U510 9 RSSI feedback 0 74 no received signal 10 Quad detector input 2 22 11 Limiter output 1 25 12 Limiter decoupling 2 1 30 13 Limiter decoupling 1 1 30 14 Limiter input 1 28 15 Ground GND 16 IF amp output 1 22 17 IF amp decoupling 2 1 26 18 IF amp input 1 26 19 IF amp decoupling 1 1 26 20 2nd mixer output 3 09 U52 BW Select Switch 1 Inverter 1 input 0 25 kHz mode 2 Inverter 2 output 0 25 kHz ...

Страница 219: ... Vcc 6 79 TX mode U201 Freq Synthesizer 1 AUX2 output NU 0 2 AUX3 output TRB 0 03 To U251 19 RX mode 3 AUX4 output NU 0 4 Lock detect output 2 98 To U401 56 5 PD Vdd 2 98 6 Digital ground GND 7 Serial data input 3 23 8 Serial clock input 0 9 Synth chip select 3 23 From U401 47 10 Modulation input 1 50 From U451 40 11 VMULT4 NU 2 98 12 VMULT3 NU 0 13 VRO 4 96 14 VMULT2 1 49 15 VMULT1 1 49 16 INDMUL...

Страница 220: ... in TX mode 41 Modulation output 3 42 typ 1 62V typ in TX mode 42 CCOMP NU 0 05 43 Steering line IOUT 9 62 typ Depends on frequency 44 PD ground GND 45 Steering line IADAPT 9 62 typ Depends on frequency 46 Adapt switch NU 0 47 Voltage from charge pump 12 8 48 AUX1 output NU 2 98 U251 VCO Buffer 1 TX VCO current adjust 4 50 2 RX VCO current adjust 4 35 3 Superfiltered input 4 51 4 Collector RF in a...

Страница 221: ...ass capacitor 1 26 5 Vout 4 96 U320 3 3V Regulator 1 Ground GND 2 Feedback 1 23 3 Tap NU 0 4 Vin 7 48 5 Vout 3 23 6 Sense NU 0 7 Error reset output 3 20 8 Shutdown input 7 48 U330 3V Regulator 1 Vin 7 48 2 Ground GND 3 Control input 7 48 4 Bypass capacitor 1 26 5 Vout 3 00 U401 Microprocessor 1 PD4_SCK serial clock input 0 2 PD5_SS 3 23 ASFIC chip select 3 PD6_VLIN 3 23 EEPROM chip select 4 PG7_R_...

Страница 222: ...6_ADDR6 3 08 24 PF5_ADDR5 3 06 25 PF4_ADDR4 0 16 26 PF3_ADDR3 0 26 27 PF2_ADDR2 3 06 28 PF1_ADDR1 3 06 29 PFO_ADDR0 3 05 30 PC0_DATA0 0 69 31 PC1_DATA1 0 96 32 PC2_DATA2 1 10 33 PC3_DATA3 0 81 34 PC4_DATA4 0 62 35 PC5_DATA5 0 68 36 PC6_DATA6 0 67 37 PC7_DATA7 0 73 38 PH7_CSPROG 3 05 39 VDDL 3 23 40 VSSL GND 41 PH6_CSGP2 3 23 42 PH5_CSGP1 3 23 43 PH4_CSIO 0 44 PH3_PW4 3 21 On off control output 45 ...

Страница 223: ...LIR 3 12 59 AVDD 3 23 60 PE7_AN7 3 20 61 PE6_AN6 3 20 62 PE5_AN5 2 91 VOX threshold detect 63 PE4_AN4 0 73 RSSI input 64 PE3_AN3 0 14 65 PE2_AN2 1 62 66 PE1_AN1 0 3 3 V Volume control wiper 67 PE0_AN0 2 48 33 of battery voltage 68 VRL 0 69 VRH 3 20 70 AVSS GND 71 PJ0_CSGP3 3 23 Side PTT button 72 PJ1_CSGP4 0 External MIC PTT 73 PJ2 3 23 74 PJ3 3 23 75 PJ4 3 23 76 PJ5 0 77 PJ6 3 23 Bottom option bu...

Страница 224: ...d 92 VDDSYN 0 93 XFC NU 0 94 RESET 3 20 From U320 95 LVOUT 0 96 IRQ 3 20 97 PD0_RXD 3 23 98 PD1_TXD 1 9 99 PD2_MISO 0 100 PD3_MOSI 3 23 U402 EEPROM 1 Chip select 3 23 From U401 3 2 Serial data out 0 3 Write protect 3 23 4 Vss GND 5 Serial data in 3 23 6 Serial clock 0 7 Hold 3 23 8 Vcc 3 23 U404 Flash ROM 1 A11 3 06 2 A9 3 08 3 A8 3 05 4 A13 0 13 5 A14 0 31 6 NC 3 17 7 EN_WE 3 21 From U401 4 8 Vcc...

Страница 225: ...3 01 From U401 38 31 A10 0 16 32 EN_OE 0 From U401 86 U451 ASFIC_CMP 1 VDD for analog circuits 3 00 2 DISC audio input 1 34 From U510 3 Ground for analog circuits GND 4 DACU output 0 5 DACR output 0 6 DACG output 2 38 typ Power set TX mode 7 VOX peak detector output 2 91 8 PLCAP for DC integrator 0 40 9 SQIN 0 01 10 Universal audio input output 0 11 VDD for DACs 4 95 12 SQCAP 0 13 GCB2 general pur...

Страница 226: ...70 29 1200 Hz ref for MDC decode 3 00 30 GNDDO GND 31 Ground for digital circuits GND 32 Vdd for analog switches 4 96 33 Vdd for digital circuits 3 00 34 16 8 MHz master clock input 1 54 35 GCB3 general purpose output 3 00 Internal MIC enable 36 TX audio return from option 0 37 GCB4 general purpose output 0 38 GCB5 general purpose output 0 39 RX audio send to option 1 48 40 Modulation output 1 50 ...

Страница 227: ...7 48 Unsquelched 7 Ground GND 8 output 3 29 Unsquelched U510 Dual Opamp 1 Unit 1 output 1 75 2 Unit 1 input 1 56 3 Unit 1 input 1 55 4 Ground GND 5 Unit 2 input 1 55 6 Unit 2 input 1 56 7 Unit 2 output 1 38 8 Vcc 4 96 1 All voltages are measured with a high impedance digital voltmeter and expressed in volts DC relative to ground 0V 2 Voltages are measured with a DC input voltage of 7 50 02 volts D...

Страница 228: ...3 16 TROUBLESHOOTING TABLES ...

Страница 229: ...onents The UHF schematics and the related PCB and parts list are shown in the table below 1 2 Six Layer Circuit Board The main PCB is a 6 layer circuit board the copper steps are in the layer sequence shown below Table 4 1 UHF3 Diagrams and Parts Lists PCB 8486634Z02_O Main Board Top Side 8486634Z02_O Main Board Bottom Side Page 4 3 Page 4 4 SCHEMATICS Radio Circuit Block Diagram Receiver Front En...

Страница 230: ...4 2 UHF3 PCB SCHEMATICS PARTS LISTS ...

Страница 231: ...503 C504 C505 C506 C507 C513 C521 C522 C523 C524 CR1 D251 D261 D262 D301 D424 D470 D471 E452 E500 F301 4 3 2 FL53 4 3 2 FL54 J140 3 2 J301 J470 6 4 7 5 2 3 J471 L1 L2 L3 L21 L31 L32 L33 L34 L55 L211 L251 L252 L254 L255 L262 L264 L265 L281 L283 L471 M140 Q21 Q171 Q280 Q402 Q403 Q440 Q472 R22 R24 R25 R61 R63 R205 R212 R220 R221 R223 R230 R243 R244 R245 R247 R253 R254 R261 R262 R263 R264 R280 R281 R2...

Страница 232: ...1 L52 L53 L54 L81 L100 L101 L102 L103 L110 L120 L121 L130 L131 L132 L140 L141 L270 L271 L272 L276 L282 L291 L292 Q22 Q51 Q70 4 3 2 Q100 Q150 1 6 3 4 Q170 Q311 Q312 4 3 Q313 4 3 Q410 Q470 4 3 Q471 Q481 Q482 4 3 Q490 Q493 4 3 Q494 Q520 R20 R21 R23 R40 R51 R52 R53 R54 R55 R57 R60 R62 R64 R65 R66 R67 R72 R73 R74 R75 R76 R77 R78 R80 R81 R82 R90 R91 R100 R101 R102 R103 R104 R105 R106 R107 R110 R111 R120...

Страница 233: ...X_INJ VCO_MOD V_SF V_STEER 5R IF_OUT RX_IN RX_INJ 3V 5V LOCK MOD_IN PRESC SPI_CLK SPI_DATA_OUT SYNTH_CS TRB VCO_MOD V_SF V_STEER 5T PWR_SET RX_OUT USWB 5V 5R 3V USWB 5V BW_SEL DEMOD IF_IN RSSI 16_8_MHZ SYNTH_CS TX_ENA USWB 3V 5T 5T 5V 5R 3V 5R 5V 16_8_MHZ 3V 5R 5T 5V BW_SEL DEMOD LOCK MOD_OUT PWR_SET RSSI SPI_CLK SPI_DATA_OUT UHF3 Radio Circuit Block Diagram ...

Страница 234: ...2 0 5pF 68pF 1 C21 R51 L51 150nH 51 1 6 6 2pF 27nH C9 L41 R22 5 6K 6 3 1 4 4 3pF 2 3 C3 UMT1 Q22 2 5 1 6 6 2pF IF1 C11 390pF C29 C4 1 0 10pF 9 85nH 2 L34 C8 2 3 4 3pF L31 2 9 85nH 9 85nH 2 L3 1 5pF 6 7 C13 680nH L52 BFS505 Q21 1 3 0 C48 FE_IF_OUT C35 1 6 6 2pF C43 1 20pF 1 TP1 1 T41 RF BALUN 5 NC 4 6 3 2 C47 1 NU SH1 SHIELD 1 TP2 2 22nH L55 CR1 1 3 C30 1 16pF 8pF 1 25 C1 8 2pF 1 2 C27 24pF 1 C33 C...

Страница 235: ...IN 1 0 1uF 44 395MHz TSS2_44_395MHZ Y51 2 GND 4 GND1 3 2 CC1 5 CC2 1 GND1 4 GND2 3 IN 6 OUT 44 85MHz MXF45 FL51 4 VCC 8 C58 3 9pF PWR_GND U52 4 GND R81 10uF C91 0 1uF C65 1K R75 12K 20K C57 0 1uF 9180468V04 3 GND IN 1 OU T 2 R64 FLTR FL52 C81 1 33pF C70 IF_IN RFIN RFIN_DEC 2 5 RSSIOUT RSSI_FEED 9 6 VCC 130pF LIMIN LIMOUT 11 13 LIM_DEC1 12 LIM_DEC2 20 MIXOUT OSCIN 4 3 OSCOUT 10 QUADIN 1 AUDIOOU T 8...

Страница 236: ...17 NC1 29 NC2 31 NC3 44 PD_GND PD_VDD 5 32 CLK 7 DATA 6 DGND 36 DVDD 19 FREFOUT 45 IADAPT 16 INDMULT 43 IOUT LOCK AUX2 2 AUX3 3 AUX4 20 AVDD 40 BIAS1 39 BIAS2 42 CCOMP 9 CEX 8 46 ADAPTSW 22 AGND 48 AUX1 1 1 63A 27 U201 FN_MOD TP200 C223 01uF 01uF TP240 1 C213 L211 390nH NU R212 0 R206 1 K1 2 K2 3 K3 6 A1 5 A2 4 A3 C221 D221 01uF 2 2uF C215 2 2uF FN_V_SF C218 C230 2 2uF C240 NC FN_VCO_MOD 1 3pF 7 7...

Страница 237: ...0nH L270 100 C252 NU 33 R274 L252 27nH C253 1 6 6 2pF R262 7 5K 390pF C284 D261 C264 3 3 3 0pF C263 1 6 6 2pF R275 100 330 R273 R285 0 BFS540 Q280 1 3 2 VCO_TRB D251 R271 5 1K C281 390pF VCO_V_STEER C285 0 1uF 390pF C292 VCO_TX_INJ L254 2 12 5nH VCO_PRESC R280 4 7K 2 5 3 9pF L292 C256 18nH 15nH L282 18nH L281 R282 910 NC VCO_MOD VCO_VSF R283 130 9 1pF 1 1 C267 C272 0 1uF R284 NU 27nH L276 0 R277 R...

Страница 238: ...2 6 8pF C104 20 45nH L130 R153 1 100K R110 680 Q170 EMB10 5 2 3 6 4 1 L121 15nH C132 6 8pF 01uF 0 1uF C102 C156 C111 390pF 18 R104 C116 0 1uF 220pF C137 R105 2 7K R156 330 VGG 2 17 02nH L132 U110 RA07M4452M_UHF GND 5 RFIN 1 RFOUT 4 VDD 3 C134 6 8pF 0 1uF C112 C130 2K NU R111 C152 390pF 0 1uF C160 L110 220nH NC 390pF C100 C136 4 3pF R100 820 PA_TX_EN A Q171 100K 1 R152 TP150 1 L103 5 1nH 3K R157 R1...

Страница 239: ...CAP 390pF Circuit Ref Motorola Part No Description C107 Not_Placed CAP 27pF C108 2113743L07 CAP 390pF C109 2113743M24 CAP 0 1uF C111 2113743L07 CAP 390pF C112 2113743M24 CAP 0 1uF C113 2113743L07 CAP 390pF C114 2113743L07 CAP 390pF C115 2311049A07 CAPP 1uF C116 2113743M24 CAP 0 1uF C117 2113740F65 CAP 390pF C120 Not_Placed CAP 8 2pF C121 2113743L07 CAP 390pF C122 2113740F13 CAP 2 7pF C123 2113740F...

Страница 240: ...2311049A56 CAPP 4 7uF C454 2113743E20 CAP 0 1uF C455 2113743L48 CAP 022uF C456 2113743E20 CAP 0 1uF Circuit Ref Motorola Part No Description C457 2113743E20 CAP 0 1uF C458 2113743E20 CAP 0 1uF C459 2113743E20 CAP 0 1uF C460 2113743E20 CAP 0 1uF C461 2113743L17 CAP 1000pF C462 2113743E20 CAP 0 1uF C463 2113743E20 CAP 0 1uF C464 2113743E20 CAP 0 1uF C465 2113743L17 CAP 1000pF C466 Not_Placed CAP 470...

Страница 241: ...482 Not_Placed MMBT3904 Q490 4802245J54 UMG5 Q493 4809579E18 TP0101T Q494 4802245J54 UMG5 Q520 5180159R01 IMX1 R20 0662057M92 RES 5 6K R21 0662057M49 RES 91 Circuit Ref Motorola Part No Description R22 0662057M92 RES 5 6K R23 0662057N09 RES 27K R24 0662057M76 RES 1 2K R25 0662057M92 RES 5 6K R40 0662057M74 RES 1K R51 0662057M43 RES 51 R52 0662057N01 RES 12K R53 0662057N11 RES 33K R54 0662057M91 RE...

Страница 242: ...57V43 RES 330K R495 0662057M92 RES 5 6K R496 Not_Placed RES 10K R497 Not_Placed RES 1MEG R498 Not_Placed RES 47K R499 Not_Placed RES 270K R501 0662057M50 RES 100 R502 0662057M50 RES 100 R503 0662057M50 RES 100 R504 0662057M50 RES 100 R505 0662057M50 RES 100 R506 0662057M50 RES 100 Circuit Ref Motorola Part No Description R507 0662057M50 RES 100 R508 0662057N23 RES 100K R509 0662057N23 RES 100K R51...

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