Motorola Vhf Schematics Manual
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VHF 1-25W PCB 8486172B04 / Schematics4-3 2.0 VHF 1-25W PCB 8486172B04 / Schematics C0101 C0102 C0104 C0105 C0106 C0107 C0121 C0131 C0132 C0211 C0212 C0221C0222 C 0223 C0224 C0225 C0226 C0227C0231 C0232 C0233 C0234 C0235 C 0236 C0237 C0241 C0242 C0243 C0244C0245 C0246 C0251 C0252 C 0253 C0255 C0261 C 0262 C0267 C0421 C0441 C0442 C0443 C0444 C0445 C0446 C0447 C0448 C0449 C0451 C0452 C0453 C0454 C0455 C0456 C0457 C0458 C0459 C0460 C0461 C0462 C0463 C0464 C0466 C0467 C0468 C0470 C0471 C0472 C0473 C0474...
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4-4VHF 1-25W PCB 8486172B04 / Schematics C0103 C 0 111 C0112C0122 C0123 C0125 C0141 C0151 C0201 C0203 C 0204 C0205 C0254C0265 C0266 C0271C0272 C0273C0274 C0275 C0276 C0277 C0301C0302 C0303C0304C0305 C0324C0325 C0341 C0342 C0343 C0344 C0351 C0352 C0353 C0354 C0401 C0402 C0403 C0406 C0407 C0408 C0409 C0410 C0411 C0422 C0423 C0426 C0427 C0428 C0429 C0430C0431 C0485C0491 C0492 C0497 C0498 C0499C0541C0554 C0558C0559 C0560 C0575 C0576 C0591 C0592C0593 C0611 C0621C0622 C0641 C0644 C0645 C0661 C0662 C0663 C0671...
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VHF 1-25W PCB 8486172B04 / Schematics4-5 7.5J3401 BNC 2.216x width 2.032 0.8x25 1.542x4 R3432 51.033uFC3437 57R01 L3436 C3502 2200pF .01uFC3504 2200pF C3503 C3419 470pF C3428 2200pF2.7 R3427 R3426 2.7 2.7 R3425 2.4K R3428 C3427 2200pFRESET RXIN_VHF_PA_1R3491 10K 2.4K MOSBIAS_2_VHF_PA_1 R344515nH L3412 C3406 470pF 300 R3401 POS HEATSINK M3421 HEATSINK Q3421 330pFC3416 100pF 330pF C3507 C3400 R3400 470 C3404 33pF RESET_VHF_PA_1 C3410 .022uF270pF PASUPVLTG_VHF_PA_1 C3473 100 R3415 33pF C3403 C3475 6.8pF...
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4-6VHF 1-25W PCB 8486172B04 / Schematics Remark: If Y3261 is placed then C3263 2113740F07 1.5pF If Y3263 is placed then C3263 2113743E20 100nFRxxx 0662057B02 150k R3261 0662057A89 47k see remark see remark (SOURCE) C3245 C3212 220pF 16_8MHz.018uF 390nHL3201 C3202OUTPUT 1 SENSE 2 SHUTDOWN3 .01uFLP2951U3211 5V_TAP 6ERROR 5 FEEDBACK7 4 GNDINPUT8 2.2uF C3255 .01uF C3205 C3252 01000pF R3242R3241 100 C3241DATA R3261 NU 56pF 47K 2.2uF C3233MODIN_VHF_FN_1 BWSELECT_VHF_FN_1.01uF C3203 R3263 100IN_5V_RF_REG .01uF...
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VHF 1-25W PCB 8486172B04 / Schematics4-7 C3364 18pF L3341 8nH TXINJ_VHF_VCO_1 5.6pF C33181uH C3342 3pFL3344VSF D33621000pF 2.2KC3365 R3314 R3364 NU10C3335 .01uF R3341 220 5.1pF C3306C3301 15pF NU PRESC_VHF_VCO_1VCOBIAS_1 VCTRL_VHF_VCO_1 R3353 100K 35.5nH .01uFC3324 C3341 L3346 1000pF C3337 0.1uF R3307 220 NUD3341 UMC5N 2 4 13 Q3303 C3346 .01uF 15K R3336 68nH L3331 L3362 68nH C3331 10pF NU 100nH .022uF L3318 C3311 L3351 1uH .022uFC33529V3_VHF_VCO_2 33 R3335 C3316 3.3pF 56nH L3361 0 R3308...
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4-8VHF 1-25W PCB 8486172B04 / Schematics 43pF C3035 56pF C3006Q3001 NU 330pF C302347K R3019 RXINJ_VHF_FE_19.1pF FECNTL_2 C3015 C3002 56pF .0033uFC3011 9V3 120pF C3021 C3001 4.7pF56pF C3013 Q3002 R3010 C3017 680 43pF150nH L3032 1000pFC3012 R3002 560 NU 4.7pF C3018NU 820 R3032IF_VHF_FE_1 FECNTL_2_VHF_FE_1 SP_2_3 SP_2_1 SP_2_2 100K R3001470nHL3002 2.7pF NU270nH C3025L3031 56pF C3004 5.1pF C3033 IO1 IO2 IO3 IO4 RXIN_VHF_FE_1 D3031 9V3_VHF_FE_1 4 63 1 2 XFMR T3001 NU0 R3035 R3004R3033 1.5K0 SP_4_1 D3003 C3032...
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VHF 1-25W PCB 8486172B04 / Schematics4-9 CFUCJ455F NU GND3 IN1 OUT 2 FL3113 C3136 30pF R3102 1010K R3152 C3113 9.1pF NU 100 NU 100R3104 R3105 R3107 6.8K OSCOUT3 QUADIN10 RFIN1 RFIN_DEC2 RSSIOUT5RSSI_FEED9 VCC6 IFAMP_DEC119IFAMP_DEC217 LIMIN14LIMOUT11 LIM_DEC113 LIM_DEC212 MIXOUT20OSCIN4 AUDIOOUT8AUDIO_FEED7 GND15 IFAMPIN18 IFAMPOUT16 U3101 18pF C3114Q3152 0.1uF C3134 C3139 0.1uF C3141 0.1uF OUT 2 RSSI_VHF_IF_1 FL3112 CFWC455D GND134 GND2 IN1 33pF 14VDD7VSS C3135U3115-4 MC74HC4066 12CNTL11 10 C3143 120pF...
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4-10VHF 1-25W PCB 8486172B04 / Schematics2.1 VHF PCB 8486172B04 Parts List 1-25W Circuit RefMotorola Part No.DescriptionC3000 2113741F37 3.3nF 50V C3001 2113740F19 4.7pF 5% 50V C3002 2113740F26 9.1pF 5% 50V C3003 2113741F37 3.3nF 50V C3004 2113740F45 56pF 5% 50V C3005 2113740F51 100pF 5% 50V C3006 2113740F45 56pF 5% 50V C3007 2113741F37 3.3nF 50V C3008 2113741F25 1nF 50V C3009 2113741F13 330pF 50V C3010 2113741F13 330pF 50V C3011 2113741F37 3.3nF 50V C3012 2113741F25 1nF 50V C3013 2113740F45 56pF 5%...
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VHF 1-25W PCB 8486172B04 / Schematics4-11D3201 4802233J09 TRIPLE SOT143-RHD3221 4880236E05 CHIP SCHOTTKY D3341 4805649Q13 VCTR 1SV228 SOT23 D3361 4805649Q13 VCTR 1SV228 SOT23 D3362 4862824C01 VARACTOR CHIP D3401 4813833C02 DUAL SOT MMBD6100 D3451 4880236E05 CHIP SCHOTTKY D3471 4802482J02 PIN MA/COM D3472 4802482J02 PIN MA/COM FL3101 9180112R16 44.85 MHZ XSTAL FLTR 80dB FL3102 9180112R16 44.85 MHZ XSTAL FLTR 80dB FL3111 9180469V03 CER FLTR 6EL 455 KHZ SMD FL3112 9180469V06 CER FLTR 6EL 455 KHZ SMD FL3114...
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4-12VHF 1-25W PCB 8486172B04 / Schematics * Motorola Depot Servicing only Reference designators with an asterisk indicate components which are not fieldreplaceable because they need to be calibrated with specialized factory equipment after installation. Radios in which these parts have been replaced in the field will be off frequency at temperature extremes. R3471 0662057A41 470 1/16W 5% R3473 0680194M18 51 1W 5% R3474 0680194M18 51 1W 5% R3475 0662057A73 10k 1/16W 5% R3491 0662057A73 10k 1/16W 5%...