Motorola Cm Radio Uhf2 Information Manual
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UHF2 1-25W PCB 8488978U01 (rev. D) / Schematics4-11 VCO Shield VCOBIC Shield DNP DNPDNP DNP DNP 73D02968C74-O TO SHEET 1 SHEE 5 OF 8IF200 10.KV_SF TX_INJ RX_INJ 9R1 120.p C2081 R201 100.n C2076C2042 120.pC2041 120.p120.p C2071 C2040 112.p SHIELDSH202 1 SH201 SHIELDC2039 C2038 120.p 120.p 150.nL204 L203 150.n R223 220. 100nC2003 C2037 120.p 0.R203 3.3p C2044C2019 120.p 120.p C2018 V_SF V_SFR230 75. R220 510. VCO_MODV_SF C2043 6.8p NC 0.1uF C201210n NC L202 C2022 680nH 2.4p0.1uF C2011 C2069 C20661.2p2.7K...
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4-12UHF2 1-25W PCB 8488978U01 (rev. D) / Schematics MIXER SHIELD DNPDNP DNPDNP DNP TO SHEET 2 FRONT-END SHIELD 51.p3V 5V 9V RX_ENLOC_DIST 470.0n IF300 1 TP1 1 5.6p C1121 TEST_POINTTP4 1 TEST_POINT Q300Q306 R346 R345 10.K 10.KQ304 18.08n L314 10.p C330 12.p C33310.pC335 C329 36.p C348 3.3p C344 A2 A4 K1 K3 3.6p U302 24.p C370 120.p 120.pC325 R301 C324 SH301 SHIELD 1 470.SH302 1 SHIELDSH300 1 C342 4.7p SHIELD R347 15. C328 43.p L308 18.08n L307 18.08n C356 15.pC367 8.200p 10.p C366 4.7pC341 8.2p...
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UHF2 1-25W PCB 8488978U01 (rev. D) / Schematics4-13 73D02968C74-O SHEET 6 OF 8 Check if it is 3v or another value NU NU NU DNPDNP DNP TO SHEET 1 22.pBW_SEL 5V L315 27nH 0.C359 R30333p 30pC361 R311 4 OSCOUT3 QUADIN 10RFIN 1 RFIN_DEC 2 RSSIOUT5 RSSI_FEED 9 VCC 6 15.K 16 IFAMP_DEC1 19 IFAMP_DEC217 LIMIN 14LIMOUT11 LIM_DEC113 LIM_DEC2 12MIXOUT20 OSCIN AUDIOOUT8 AUDIO_FEED 7 GND 15 IFAMPIN 18 IFAMPOUT 1 GND2 4 IN 3 OUT6U300 SA616 FLTR_44.85M FREQ CC1 2 CC2 5 GND1 20.K FL300100. 3VR308 R337 13.K R312 33.K...
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4-14UHF2 1-25W PCB 8488978U01 (rev. D) / Schematics 9V COMP_B+ B+ BATT_SENSE DNP VAG=4.5v 3.3V to IFIC, ASFIC 3.3V RF REGULATOR 3.3v digitalDNPDNP DNP TO SHEET 2 DNPDNP DNP DNP DNP DNP DNP 1.n220.p C5113 100nC5017 C5120 47u C5066 120.p VSTBYVS_MIC VS_AUDIO_SEL5V_CH DC_POWER_ON 10.0u C5006 C5070 120.p 10.0u C5008C1034 150.K R5020 R5053 L500 10.K R5052 1.KR5001 C1085 39.pC5000 1n HIGH 16 5 4 2 1.uC5045 1019447 DNPUSE NLAS4599 On /Off for ATE Come from Pin GCB2 of ASFIC 3.3v Digital REGULATORFor mid_band...
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UHF2 1-25W PCB 8488978U01 (rev. D) / Schematics4-15 C5023 100n SPKR- SPKR+ 100nC5034 R5016 1.M 12.K 24.K 100n120.p C5080 R5088 0.200K 36K 1K 120P TO SHEET 1 DNP DNP DNP DNP DNPDNPDNP DNPDNP DNP DNP DNP DNPDNP DNPDNP DNPDNP 73D02968C74-O SHEET 7 OF 8 C5002 Q501 LM29046 5 78 4 47uLM2904 6 57 8 4 U506 18 4 U505 LM2904 2 31 8 4 U505 LM2904U506 2 3 C5054 100n C5053 100n C5052 30.K R5040 100n C5051 100nR5042 100nC5025 3V C502482.p 100.K C5089 R5022 10.KR5058C5003 47u R5009 0. R5025 U507 LM29046 5 78 4...
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4-16UHF2 1-25W PCB 8488978U01 (rev. D) / Schematics DNP TO SHEET 2 SPI_CLK SPI_MOSISPI_MISO PLACE NEAR U402 DNP DNP PROVIDE WIRED OR OPERATION ON CSPROG DO NOT CONNECT THIS CS IN ORDER TO DNPSPI_CLK SPI_MOSI SPI_CLK uP_CLK OPT_DATA_R_OPBDLSIO F1200 HSIO SQ_DET CH_ACT A(9) A(10) A(11) A(12) A(13) A(8) D(0) D(1) D(2) D(3) D(4) D(5) D(6) D(7) SPI_MISO SPI_MOSI D3_3V D3_3V ASFIC_CS EE_CS SYNTH_CS DISPLAY_CS_CH SHIFT_R_CS MARLIN MARLIN+ PROG_OUT-ALARM_4VS_INT PROG_IO-P8_OVS_CS PROG_IO-P12_ODNP DNP...
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UHF2 1-25W PCB 8488978U01 (rev. D) / Schematics4-17 D3_3V DNP DNP SHEET 8 OF 8 73D02968C74-O DNP R458 3.3K VR400 VSTBYC417 120.p VR402 3.30 R402 0. Q401 DNPDNP DNP IN MARLIN TO SHEET 1 DNP IN MARLIN+PROG_IN PROG_I/O PROG_I/O PROG_I/O EXT_ALARM_OUT EXT_MIC_PTT 22.n C421120.pC423 100n C422 D3_3V TEST_POINTTP408 1 R470 10.KTP405 TEST_POINT 1 47.K R459 0. R407 R406 0. R436 33.KR457 3.3K 14 SERIN9 SEROUT 16 VCC D3_3V 1 Q1 2 Q2 3 Q3 4 Q4 5 Q5 6 Q6 7 Q7 10 RESET MC74HC595AU405 12 CLK_L 11 CLK_S 13 EN_OE 8...
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4-18UHF2 1-25W PCB 8488978U01 (rev. D) / Schematics LM2904U100 6 5 IF701 1 78 4 SHEET 3 OF 8 73D02968C74-O IF700 1 39.p C1082 39.p C1075 U100 LM2904 2 3 1 8 4 C1071 120.p 15K R117 22.K R141 R140 27.KC1046 120.p 120.p C1045DET_VFWD INTEGRATOR FILT_SW_B+ L101 1.u UHF2 (438-470MHz) Power Control Circuit
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UHF2 1-25W PCB 8488978U01 (rev. D) / Schematics4-192.1 UHF2 PCB 8488978U01 (rev. D) Parts List 1-25WCircuit Ref.Motorola Part No.DescriptionC1000 2113740F53 CAP CHIP REEL CL1 +/-30 120 C1001 2311049A08 KEMET CAPS C1002 2111078B42 CAP CHIP RF 100 5 NPO 100V C1004 2111078B25 CAP ALT E32 C1005 2111078B31 CHIP CAP 36PF +- 5% C1006 2111078B27 CAP CHIP RF 30 5 NPO 100V C1007 NOT PLACED GCAM DUMMY PART NUMBER C1008 2111078B15 CAP CHIP RF 12 5 NPO 100V C1009 NOT PLACED GCAM DUMMY PART NUMBER C1010 2111078B27 CAP...
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4-20UHF2 1-25W PCB 8488978U01 (rev. D) / SchematicsC2002 2311049A72 CAP TANT CHIP 10.0UF 10% 10V C2003 2113743K15 CER CHIP CAP .100UF C2004 2113743F18 CAP CHIP 2.2 UF 16V +80-20% C2005 2113743F18 CAP CHIP 2.2 UF 16V +80-20% C2006 2113743F18 CAP CHIP 2.2 UF 16V +80-20% C2007 2113743E20 CAP CHIP. 10 UF 10% C2008 2113743E20 CAP CHIP. 10 UF 10% C2009 2113743E20 CAP CHIP. 10 UF 10% C2010 2113743E20 CAP CHIP. 10 UF 10% C2011 2113743E20 CAP CHIP. 10 UF 10% C2012 NOT PLACED GCAM DUMMY PART NUMBER C2013...