Motorola Vhf 136 174 Mhz Uhf 435 480 Mhz 6881096c38 Manual
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6881096C38March, 2006 UHF (435-480 MHz) Band Information: Troubleshooting Charts 8-15 Figure 8-10. Troubleshooting Flow Chart for Microcontroller START APPLY POWER TO RADIO AND WAS GOOD OR BAD POWER-ON YES DONE WAS GOOD POWER-ON BEEP ARE ALERT TONES ENABLED IN SPM USE SPM TO ENABLE TONES INVOKE FACTORY RESET IN SPM WAS GOOD POWER ON BEEP PRESENT MAIN RADIO BOARDS MUST BE REPLACED ARE TONES PRESENT ON POWER UP AT CN101 PIN 3? AUDIO PROBLEM, TROUBLE- SHOOT AUDIO CKT WITH POWER CONNECTED TO RADIO AND THE...
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March, 20066881096C38 8-16UHF (435-480 MHz) Band Information: Troubleshooting Charts Figure 8-11. Make sure Synthesizer is working correctly. 1.6 VDC at Q308 Base? 4.65 VDC at Q414 collector? =151 mVrms at Terminal of C311? Supply DC at Q329? 0.9 VDC at Q308 emitter? Are Q325Pin’s emitter at 2.1VDC, collector at 3.8VDC, base at 2.9VDC? Q324 emitter at 1.0VDC, collector at 4.0VDC, base at 1.7VDC ? 0.9 VDC at Q308 emitter? 1.6 VDC at Q308 base ? 4.65 VDC at Q416 collector? Troubleshooting Flow Chart...
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UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List8-176881096C38March, 20068.6 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List Figure 8-12. UHF 435-480 MHz Controller Board (K305E501-01) To p SideBottom Side Chapter 8
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8-18 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts ListMarch, 20066881096C38Figure 8-13. UHF 435-480 MHz Complete Controller Board Schematic Diagram (K305E501-01) R1200 Q115HL002-Y11 R109330 R108 330 A0 1 A12 A23 Vss4 SDA 5 SCL6 TEST7 Vcc 8 Q114 S-24C16AFJ-01 R127 12.4k R1286.98KC129 0.01 R11051KR11151K R11213K R11322K R11443K R115130K R11618KR117 33KR118 100K C131 33p C132 33p 4 OUT11 OUT22INGND3 AB 4 OUT11IN UP DOWN CD COM01 COM12 COM23 COM34 SEG05 SEG16 SEG27 SEG38 SEG49 SEG510 SEG611...
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UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List8-196881096C38March, 2006 Figure 8-14. UHF 435-480 MHz Main Board Top Side (K305E503-01)
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8-20 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts ListMarch, 20066881096C38Figure 8-15. UHF 435-480 MHz Main Board Bottom Side (K305E503-01)
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UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List8-216881096C38March, 2006 Figure 8-16. UHF 435-480 MHz Switches and Battery Schmeatic Diagram (K305E503-01) R212 100 Vi n 2 GND 1Vout5 NC 4 CE 3 Q204 XC62HR5002PR C217 0.1 C218 0.001 Q201 2SB798 R201 10K R203 4.7K + C202 10u 10V (T) C201 0.01 + C203 1u16V(T) R202 2.2KC204 0.01 C206 0.001 + C207 10u 10V(T) C208 0.01 R209 10 R210 22 C211 0.001 C214 0.001 + C213 10u 10V(T)) Q210 2SA1362R211 10K C212 0.001 Q202 UMW1N Q203 1SR154-400 C205 0.01...
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8-22 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts ListMarch, 20066881096C38Figure 8-17. UHF 435-480 MHz Receiver Front End Schematic Diagram (K305E503-01) C401 8p C402 5p Q401 1SV279 Q402 1SV279 L401 0.3-1.0-5T C407 2pC408 22p Q403 1SS362C409 0.01R405 6.8K R40312K Q404 2SC5086Y R406 0 R404 4.7K C411 33p L405 0.3-1.0-7T C413 0.01 Q405 1SV279 C414 7p Q406 1SV279 C415 6p L406 0.3-1.0-5T C417 5p C419 0.01 C420 3pC421 9p C422 7p 1 2 3 4 C424 R2 R1 not use C425 R1 R2 not use R412 56L412...
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UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List8-236881096C38March, 2006 Figure 8-18. UHF 435-480 MHz Receiver Back End and Receiver Audio Schematic Diagram (K305E503-01) Q408 2SC4215YR415 150K C430 0.01 1 89 16 Q506 TA31136FN R526 0C525 27p C526 39p R527 10K C530 0.1 R532 1.5M C531220p C532220p R535 2.2kR534330kC533 56p C508 470p R506 3.3K 1 2 345 F501 BL FYM455D R541 22K R542 22K 1 2 345 F502 AL FYM455G R530 22K R531 22K C501 100p C502 NUC503 0.01 R501 0 CD501 IFD0455C24E3 C505 100p...
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8-24 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts ListMarch, 20066881096C38Figure 8-19. UHF 435-480 MHz Voltage Controlled Oscillator and Synthesizer Schematic Diagram (K305E503-01) C339 0.001 C343 10u10V(T) R336 100K 123456789 10 11 12 13 14 15 16 Q323 MB 15A 02 R321 6.8K R319 10K Q315 2SC4116GR Q314 2SA1586GR R320 6.8k R318 10K Q316 UDZ S 7.5B +C324 10u16V(T) R316 2.7k R317 3.3K + C323 1u16V(T) R315 3.3K R313 100K TP301 C319 47p C31847p C31747p R314 0 R323 4.7K x 4 R361 22K R362 22K R357...