Motorola Cm Radio Vhf2 Information Manual
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VHF2 1-25W PCB 8488977U01 (rev. C) / Schematics4-11 73D02968C63-0 SHEET5OF8 VCO Shield VCOBIC ShieldDNP TO SHEET 1 DNP DNP DNPRX_INJ 3V TX_INJ IF200 1nC2037 C2040 C2012 8.2p 47.0nL207 30.KC2038 1n 1 TRB_IN 19TX_BASE 16 TX_EMITTER 15TX_IADJ 1 TX_OUT10 TX_SWITCH13 VCC_BUFFERS14 VCC_LOGIC18 17 GND_LOGIC PRESC_OUT12 RX_BASE 5 RX_EMITTER 6RX_IADJ 2 RX_OUT8 RX_SWITCH7 SUPER_FLTR 3 U201 50U54 COLL_RFIN 4 FLIP_IN 20 GND_BUFFERS 11GND_FLAG 9 L204 680nH 680nHL203 220. R223 C2003 100n 39.p 1.n 1C2071 SH202 SHIELD 1...
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4-12VHF2 1-25W PCB 8488977U01 (rev. C) / Schematics 1 TEST_POINT 1IF300 TP41 TEST_POINT TP1 Q306Q304 R346 10.K 10.K R345 Q300 C351 K3 K1 A4 A2 U302 36.p C327 180.p C337 1.n C326 1.n 10. R343 R344 10. 10. 470. R301 R342 SH301 1 SHIELD SHIELD 1 SH300 SH302 1 SHIELD 3.3p L314 33.47nC366 1nC325 12pC363 L313 33.47n L312 33.47n 39pC362 C348 C361 18p18p C344 C345 82p 82pC332 100. R337 330p L302 10n 1.2u R333 430. C321 C343 82.pD305 9V 5V L311 3V 33.47n 33.47n 33.47nL310 33.47nL309 L308 33.47n L307 33.47n...
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VHF2 1-25W PCB 8488977U01 (rev. C) / Schematics4-13 VCC 6 RSSI_FEED 9 RSSIOUT5 U300 SA616 8 AUDIOOUT LIMOUT11 LIMIN 14 IFAMP_DEC217 IFAMP_DEC1 1916 C356 15.K IFAMPOUT IFAMPIN 18 GND 15 FREQ OUT6 IN 3 GND2 4GND1 1 AUDIO_FEED 7RFIN_DEC 2RFIN 1 QUADIN L315 10OSCOUT3 4 OSCINMIXOUT20 LIM_DEC2 12LIM_DEC113 0. 27nH C352 R303 30p 33p R311 FLTR_44.85MR308 20.K 3V CC2 5CC1 2FL300R336 100. 13.K R312 R304 33.KR332 560. C360 22p L304 22p 1.2u C359 0.1uF C319 0.1uFC320 C318 0.1uFC317 0.1uF C316 0.1uF CFWC455D OUT2 IN...
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4-14VHF2 1-25W PCB 8488977U01 (rev. C) / Schematics R5103 M6 DNPDNP DNP Indirect Audio Volume Place near uP SOURCE Smart Fuse CircuitDNP DNPFor mid_band spacer for TO-220 On/Off for ATE DNP DNP DNP IN MARLIN + DNP DNP DNP DNP DNP DNP DNPDNP DNP DNP DNP 100.n C5063 10.K R5054 L500 IF500 1 FILT_SW_B+ TP555 TEST_POINT1 10.0u FILT_SW_B+ 9V COMP_B+ B+ 100.n 3V D3_3V 5V 1n 5V 3V D3_3V MIC_AUDIO_CH VOL_INDIRECTEXTERNAL_MIC_AUDIO_ACCESS_CONN DEMOD RESET DC_POWER_ONEMERGENCY_ACCES_CONNEMERGENCY_SENSE ONOFF_SENSE...
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VHF2 1-25W PCB 8488977U01 (rev. C) / Schematics4-15 C5072 1nC5073 200K 36K 1K DNP 120p SPKR+ HANDSET_RX_AUDIO_CH R5086 VDDDAC 11 VDDRC45 VDDSYN27 VOX 7 3V FILT_SW_B+ POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRD SPKR- 0.R5088 3V 30C53U504 R5066 9V VAG VAG C5033 100n 3V C5027 1019447L502 100nC5032 C5088 L501 6.2K R5065 1.nC5076 DNP DNP TO SHEET 1 SHEET7OF8 73D02968C63-0 DNP DNP DNP DNP USE NLAS4599 DNP IN MARLINDNP IN MARLIN DNP IN MARLINDNP DNP DNP DNP DNP DNP DNP AUDIO DNP DNP DNP DNP R5024 100.K 1019447...
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4-16VHF2 1-25W PCB 8488977U01 (rev. C) / Schematics DNP DNPDO NOT CONNECT THIS CS IN ORDER TO PROVIDE WIRED OR OPERATION ON CSPROG DNP DNP SPI_MOSI SPI_MISO SPI_CLK ASFIC_CS DISPLAY_CS_CH SYNTH_CS EE_CS SHIFT_R_CS MARLIN MARLIN+ VS_INT PROG_OUT-ALARM_4 VS_CS PROG_IO-P8_O PROG_IO-P12_O SHIFT_REGN_CS PROG_IO-P14_O VS_RAC TO SHEET 2 DNP DNP 13VSS U40394 RESET 78 PJ7 MC68HC11FL0 91 XTAL 48 XIRQ XFC 93 87VSSR 40VSSL 71 PJ0_CSGP3 49PI768 VRL 69 VRH 92 VDDSYN 88 VDDR 39 VDDL12 VDD 56PI0 38 PH7_CSPROG77 PJ676...
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VHF2 1-25W PCB 8488977U01 (rev. C) / Schematics4-17 PROG_IN PROG_I/O PROG_I/O PROG_I/O EXT_ALARM_OUT EXT_MIC_PTT DNP IN MARLIN+ DNP IN MARLIN DNP DNP DNP DNPDNP DNP 73D02968C63-0 SHEET 8 OF 8 TO SHEET 1 VSTBY R470 10.KTEST_POINT TP405 1 R431 10.K R459 47.K 22.n C4211nC422 100n C423 10 RESET 14 SERIN9 SEROUT 16 VCCD3_3V 15 Q0 1 Q1 2 Q2 3 Q3 4 Q4 5 Q5 6 Q6 7 Q7 MC74HC595AU405 12 CLK_L 11 CLK_S 13 EN_OE 8 GND0. R469 R467 R4680. 0. R4660.C490 1.u 10.K D3_3V R422 39.K R430100.K R429 D401 R421 220. 220. R4611n...
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4-18VHF2 1-25W PCB 8488977U01 (rev. C) / Schematics IF701 1 DET_VRVS FILT_SW_B+ INTEGRATORDET_VFWD 1n DNP 73D02968C63-0 SHEET 3 OF 8 L102 C10471.u 15KR117 R141 22.K 22.K R1401nC1046 C1045 1n1.u L101 C1082 IF702 1 1n 1nIF700 C1076 78 4C1075 1n 3 1 8 4 U100 LM29046 5 U100 LM2904 2 C1071 1n R146 22.K 1n C1049 D101R164 10.K 22.K R144 1nC1048 VHF2 (146-174MHz) Power Control Circuit
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VHF2 1-25W PCB 8488977U01 (rev. C) / Schematics4-192.1 VHF2 PCB 8488977U01 (rev. C) Parts List 1-25WCircuit Ref.Motorola Part No.DescriptionC1000 2113740F59 CAP CHIP REEL CL1 +/-30 220 C1001 2311049A08 KEMET CAPS C1002 2111078B59 CHIP CAP RF 470 5 NPO 100V C1003 2111078B59 CHIP CAP RF 470 5 NPO 100V C1004 2111078B47 CAP CHIP RF 150 5 NP O 100V C1005 2111078B47 CAP CHIP RF 150 5 NP O 100V C1006 2111078B47 CAP CHIP RF 150 5 NP O 100V C1007 NOT PLACED GCAM DUMMY PART NUMBER C1008 2111078B42 CAP CHIP RF 100...
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4-20VHF2 1-25W PCB 8488977U01 (rev. C) / SchematicsC1127 2360567A03 CAP TANTALUM C1128 2113740F59 CAP CHIP REEL CL1 +/-30 220 C1129 2113740F59 CAP CHIP REEL CL1 +/-30 220 C1130 2113740F59 CAP CHIP REEL CL1 +/-30 220 C1131 NOT PLACED GCAM DUMMY PART NUMBER C2000 2113743F18 CAP CHIP 2.2 UF 16V +80-20% C2001 2311049J11 CAPACITOR TANT 10% 4.7UF C2002 2311049A56 CAP TAN CHIP A/P 4.7 20 10 C2003 2113743K15 CER CHIP CAP .100UF C2004 2113743F18 CAP CHIP 2.2 UF 16V +80-20% C2005 2113743F18 CAP CHIP 2.2 UF 16V...