Motorola Cm Radio Vhf2 Hp Information Manual
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Chapter 4 VHF2 PCB/ SCHEMATICS/ PARTS LISTS 1.0 Allocation of Schematics and Circuit Boards 1.1 VHF2 and Controller Circuits The VHF circuits are contained on the printed circuit board (PCB) which also contains the Controller circuits. This Chapter shows the schematics for both the VHF circuits and the Controller circuits. The PCB component layouts and the Parts Lists in this Chapter show both the Controller and VHF circuit components. The VHF and Controller schematics and the related PCB and parts...
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4-2VHF2 PCB/ SCHEMATICS/ PARTS LISTS THIS PAGE INTENTIONALLY LEFT BLANK
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VHF 25-45W Band 2 PCB 8486487Z03-B / Schematics4-32.0 VHF 25-45W Band 2 PCB 8486487Z03-B / Schematics FILT_SW_B+ 9V COMP_B+ DET-VFWD DET_VRVS FILT_SW_B+ INTEGRATOR PA_BIAS PWR_SET RX RX_ENTX_EN TX_INJ V_CTRL_DRIVER9V COMP_B+ DET_VFWDDET_VRVS FILT_SW_B+ INTEGRATOR PA_BIAS PWR_SET RX RX_EN TX_EN TX_INJ V_CTRL_DRIVER 9V VHF2 Interconnection between Main Board and Power Amplifier Compartment
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4-4VHF 25-45W Band 2 PCB 8486487Z03-B / Schematics C301 C302 C303 C304 C305 C306 C307 C308C309 C310C311 C312 C313 C314 C315 C316C317C318C319 C320 C322 C335 C336 C352 C353 C356 C357 C359C360 C364 C367 C402 C406 C411 C414 C418 C490 C602 C603 C604 C605 C606C607 C608 C609 C610 C611 C612 C613 C614 C615 C616 C617 C618C619 C620 C621 C622 C623 C624 C625 C626 C627 C628 C629 C630 C631C632C633 C662 C678 C1001 C1004C1005 C1007 C1008 C1009 C1011 C1012 C1013 C1014 C1015 C1017 C1018 C1019 C1020 C1021 C1022 C1026 C1030...
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VHF 25-45W Band 2 PCB 8486487Z03-B / Schematics4-5 C300 C321 C323 C324 C325 C326 C327 C328 C329 C330 C331 C332 C333 C334 C337 C338 C339C340 C341 C342 C343 C344C345 C346 C347 C348 C349 C350 C351 C354 C355 C361C362 C363 C365 C366 C400 C401 C403 C404 C405C407 C408 C410C412 C413 C415 C416 C417 C421 C422 C423 C1000 C1002 C1003 C1006 C1010 C1027 C1028 C1029 C1032 C1035 C1036 C1038 C1040 C1042C1043 C1045 C1046 C1048 C1050 C1051 C1053 C1054 C1055 C1056 C1058 C1059 C1060C1061C1062C1066 C1067 C1070 C1071 C1072...
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4-6VHF 25-45W Band 2 PCB 8486487Z03-B / Schematics GND KEYPAD COLUM N Internal spkr+ jumper SPI_MOSI ELP ONLYSERIAL CLOCK ELP ONLY KEYPAD_COLUMN DNP Option Board Connector ELP ONLY VOICE STORAGE IN T RX AUDIO RETURN BACKLIGHT SCI_PROGRAMMING Accessory ConnectorDATA READY/REQUEST SPI_CLK NC DNP DISPLAY DRIVER CHIP SELEC T NCTX AUDIO RETURN D3_3VDNP ANALOG 3 VOLT SUPPLY OPTION BOARD ENABLEEXTERNAL MIC(SOURCE) 9V 3 9.3VDETECTOR AUDIO SEN D KEYPAD ROW DISPLAY_DRIVER_CS_EN NC Place capacitors near J2...
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VHF 25-45W Band 2 PCB 8486487Z03-B / Schematics4-7 (SOURCE) DC Connector HOLES FOR PA SHIELD (SOURCE) BOARD HOLES PEDS FOR GND CONTACTS M110 1 3V FILT_SW_B+ TEST_POINT M101 1 FILT_SW_B+ INTEGRATOR M106 1 DET_VFWD DET_VRVS 9R M104 TEST_POINT 11 9R TEST_POINT TP3 TP 2 TEST_POINT 1 TEST_POINT M8 1 SPI_MOSI SYNTH_CS SYNTH_LOCKTX_INJ TEST_POIN T M31 16.8MHz3V 5V9R MOD_I N RX_IN J SPI_CLK TEST_POINT M10 2 1 V_CTRL_DRIVERPA_BIAS PWR_SET COMP_B+ DEMOD FILT_SW_B+ MOD_OUT M9 NUT 16.8MHz B+ BW_SEL M108 1 M7...
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4-8VHF 25-45W Band 2 PCB 8486487Z03-B / Schematics MRF1518’s Thermal pad1.542*4 0.8*2 5 (SOURCE) V_CNTRL 220pF C1095 2.4K NU R166 R168 2.2K C1063 330pF C1062 1000pF R137 39K C1001 1uF C1105 470pF R106 51 C11171000pF 36pFC1089 IF113 C1043 110pF 100KR131 5.6K R159 NUNU R188 0 39K R139 NU FILT_SW_B+_PAC1107 470pF 470pF C1106 510 R170 330pF C1068 C1014 56pF FLT_9VNU.022uFC1037 .022uFC1039 FILT_SW_B+_P A C1030 27pFL105 68nH C1029 0.1uF 12nHL10 4 FLT_9V R122 4.7R189 330pF C1065 NU0 R102 51 C1084 220pF VR105...
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VHF 25-45W Band 2 PCB 8486487Z03-B / Schematics4-9 Coupler Temp. SensePlace near both sides of PA shields 7.5width 2.032Antenna Connector (Mini-U / BNC ) 3.3K R160 S3 S4D GGND1 GND2S1 S2 MRF1550Q100 IF101 R185 10K 16pF NUC5112 NU 6.8pF C1121 C1020 39pF D108 100nHL132 NU0 R196 0 R198 82pF C1096 1000pFC1067 NU 10K R114 R110 NU TP114 1 1K R172 470 1MEGR1911M111 22K R142J11- 5 G2 3.3K R162 R113 10K NU 35U02L119 R161 3.3K 1uF C1002 4 11 MC3303 U103- 4 13 12 14C1134 24pF 1000pFC1099 32pFC1019 FLT_9V Q106 D103...
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4-10VHF 25-45W Band 2 PCB 8486487Z03-B / Schematics DNP DNP DNPDNP DNP DNP LVFRACN Shield DNP 3V 2.7pF C2072C2001 4.7u F C201 5 0.1u F C2014 5V 0.1u F 390nHL200 470pF C2046 2.2uF C2006 45J68 2 GND 3 OUTVCC4 1 VCON 16.8MHz Y200 0.1uF C20751.5KR224 SH200 SHIELD 1NC 2.2uF C2000 .01uF C2026 22pF C2055 C2047 470pF C2053 100pF.01uFC2024 C2080 0.1uF R209 100K C2052 470pFC2049 470pF TEST_POINT TP2011 L210 100nHR202 0 C2036 1000pF 0 R205 1000pFC2035 C2079 0.1uF C2020 0.1uF C2068 6.8pF2200pFC2028 R226 150 100K...