Icom IC-R3 Service Manual
Also see for COMMUNICATIONS RECEIVER IC-R3: Instruction manualBrochure & specsService manual
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10 - 210-3 VOLTAGE DIAGRAMDET1CP1CP2SBATT+SBATT–TANSHI BOARDMAIN BOARDCHGOUTBATT–DET1BAT+R10.15123456789J1DET25VCONT123456789WS2THDR2ERT-D2FHL103SRL1A-5W-KD11SS53C10.047BATT+BATT–DET2CP3CP4CP5CP6Q12SB1184Q D1SB20-3PL1HK-08S050-2010R190.15Q72SJ377F2S-N5051F3S-N5051F1FGB 2AJ1DC INPUT 8-16VD6SB20-03PC70.22C8100C10.22C2470R181 kR17680C12470R15150 kR1647 kCS 1ES 2CT 3GND 4INVIN5 V+6 SI7 CD8IC2NJM2360MC90.22C100.001D2SB20-03PC3470 PR2310C4470Q5DTA114EEQ6DTA114EER510 kC50.01CP1DS1VRPG3349S-734R6120 kR3560R21560C130.001C60.1IC1MM1433EVBER2150C364.7C150.001D3MA2S111CHGOUTC140.001UC220.1C240.1C250.001C260.1C270.001123456789C160.15C230.001BATT+BATT–DET1C280.1C290.001C300.1C310.001C330.001DET2CONTTHD5VC320.1C180.1Q3UN9214R1112 kR2256 kC190.1C200.001R122.7 kR9220 kD5DWA010Q2DTA114EEQ4DTA114EED4MA132WKC2147Q8DTC114EEC340.1C350.001123456789101112242322212019181716151413OSC FBOSC OUTLED RLED GVOUTADJ5VCCCNTCFBCSBAT2BAT1CHGSWRESTTP1TP2VREFGND1GND2ADJ1ADJ2ADJ3ADJ4THDR14100 kGBR5.4 V5.1 VCHG ON: 1.2 VCHG OFF: 0 VCHG ONRL1 ON: 0 VRL1 OFF: 5.1 V5.2 V1.77 ms3.0 Vpp0.5 VppCHG OFF |
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