Icom Ic-910h Vhf/Uhf All Mode Tranciever Service Manual
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7 - 2FUNC BOARD JACK BOARD VR-A BOARD MIC BOARD VR-B BOARD RIT BOARD DISPLAY UNIT MP25 (C) MP21 (C) MP25 (C) MP21 (C) MP25 (C) MP21 (C) MP25 (C) MP25 (C) MP25 (C) MP25 (C) MP37 (CH)J1 (J) J1 (MIC)MP4 (D) MP4 (D) MP37 (CH) EP2 (F) MP33 (C) R1 (VA) J1 (MIC) MP35 (F) R1 (VB) MP33 (C) MP2 (C) MP38 (F) MP33 (F) MP15 (F) MP4 (F) MP19 (F) MP22 (F) MP9 (F) MP23 (F) MP20 (F) MP2 (F) MP17 (F) MP5 (C) SP1 (C) MP35 (F) MP6 (F) MP5 (F) MP14 (F)EP1 (F) R1 (R) MP34 (C) MP13 (F) MP31 (F) MP25 (F) MP36 (F) MP1 (F) R1...
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7 - 3 MAIN UNIT PLL UNIT DRV BOARD VARISTOR-C BOARD VARISTOR-B BOARD PA UNIT VARISTOR-A BOARD MP12 (CH) MP1851 (M) MP32 (CH) MP56 (CH) MP59 (CH) MP56 (CH) MP56 (CH) MP57 (CH) MP34 (CH) MP34 (CH)MP56 (CH) MP51 (CH) MP34 (CH) MP34 (CH) MP56 (CH) MP32 (CH) MP32 (CH) MP5 (CH) J1 (CH) MP32 (CH) MP32 (CH) MP17 (CH)MP1 (M) MP32 (CH) MP13 (CH) MP3 (CH)MP1 (CH) MP11 (CH)MP12 (CH) MP542 (M)MP543 (M) MP251 (M) MP91 (M) MP8 (CH) MP8 (CH) MP8 (CH) MP8 (CH) MP184 (M) MP243 (M) MP661 (M) MP702 (M)MP182 (M) MP23 (M)...
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MP1 8930014140 Earth spring (D) 1 MP7* 8510012310 2157 DBM case 1 MP8* 8510013620 2355 A-filter case 1 MP9* 8510002020 MIX shield case 1 MP10* 8510012310 2157 DBM case 1 MP11* 8510013390 2355 MIX case 1 MP12* 8510013890 2355 V-A shield plate 1 MP13* 8510013630 2355 U-A shield plate 1 MP14 8510010460 1691 main shield plate 1 MP15 8510010460 1691 main shield plate 1 MP16 8860001130 2177 rug 1 MP17* 8510002020 MIX shield case 1 MP19 8930054530 2355 earth spring 1 MP20 8930014140 Earth spring (D) 1 MP21*...
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8 - 1 • TRANSISTORS AND FET’S SECTION 8 SEMI-CONDUCTOR INFORMATION B ECB ECB ECB C E BE C BE C BB EE C C B ECB ECB EC B E EE E CB E C B ECB C EB ECB ECB EC B EC B E EE E CB E CB ECE CB EE C B E BE C B E CB C EB C EB C EB EC B ECS DGD GSS DGS DG D GSS DGS DGE CB EG S DS 2SA1162 GR 2SA1586 GR 2SA1588 GR 2SB1132 T100 R 2SB1133 R 2SB1201 S 2SC2712 BL 2SC2712 GR 2SC2714 O 2SC3102 2SC3356 T2B 2SC3357 T2 2SC4081 T107 R 2SC4116 GR 2SC4215 O 2SC5107 O 2SC5125 2SC5193 T1 2SC5454 R54 2SC5508 2SD1585...
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8 - 2 G1 G2S DG1 G2S D D SG2 G1B ECB ECB EC B ECB ECB ECB ECB1 E B2C1 C2 B EC E1 B1 B2C1 C2 E1 C2 B1C1 E2 B2 E1 C2 B1C1 E2 B2E1 C2 B1C1 E2 B2 G S DS G SS D G S SS S DG S D G D S 2SK2855 2SK2973 2SK2975 3SK131 T2 LA 3SK177 T1B U73 3SK241 R CPH3404-TL DTA114 EE TL DTA114EUA T106 DTA144EUA T106 DTC114EUA T106 DTC114TUA T106 DTC144EUA T106 DTC144TU T107 FMW1 T148 NE34018 T1 RN2425 SRFJ7044 XP1113 XP4312 XP4315 XP4601 (Symbol: UT) (Symbol: K1) (Symbol: V12) (Symbol: U73) (Symbol: DU) (Symbol: KD)...
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8 - 3 • DIODES C A1 A2ACC A1 A2Apink C A CA1 A2C1 C2 NC ACC A1 A2AC A1 C2 C1A1 C2 C1 AC A C ACAC AC AC ACAC ACACACAC AC red dot AC 1SS301 1SS355 1SS375-TL 1SS385 1SV214 1SV217 1SV237 1SV239 1SV265 TL 1SV286 1SV307 1SV308 DA221 DAN202 U T107 DAN222TL DAP202K T146 DAP222 TL HSB88WSTR HSM88AS TR HSU88TRF MA29B MA2S111 MA357 MA4PH224 MA728 MA77 MA8030 H MA8043 L MA8047 H MA8068 M MA8082 M RB706F-40 T106 SB07-03C (Symbol: B3) (Symbol: A) (Symbol: FH) (Symbol: 09) (Symbol: T1) (Symbol: T6)...
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9 - 1 9-1 VR-A BOARD SECTION 9 BOARD LAYOUTS • TOP VIEW GND J126 1 to DISPLAY board J25 MAVR NC NCMSVR+5V • TOP VIEW GND J126 1 to DISPLAY board J105 RIVR NC NCSFVR+5V 9-2 VR-B BOARD • TOP VIEW GND 2 J16 1 to DISPLAY board J115 SAVR NC NCSSVR+5V 9-3 RIT BOARD
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9 - 2 • BOTTOM VIEW (RIT BOARD)• BOTTOM VIEW (VR-A BOARD) • BOTTOM VIEW (VR-B BOARD)
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9 - 3 9-4 FUNC BOARD• TOP VIEW KST1 KST3 KRT1KST2 J1 1526 to DISPLAY unit J3 KRT0GND 9-8 VARISTOR-A BOARD• TOP VIEW V-A2 GND V-A1to PA unit J652 9-5 MIC BOARD• TOP VIEW 9-6 JACK BOARD• TOP VIEW 9-7 DRV BOARD• TOP VIEW DRVO DRVO GND GND GND GND DRVI DRVIto PA unit J932 to PA unit J931 9-9 VARISTOR-B BOARD• TOP VIEW V-B2 GND V-B1to PA unit J6539-10 VARISTOR-C BOARD• TOP VIEW V-C2 GND V-C1to PA unit J651
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9 - 4 • BOTTOM VIEW (VARISTOR-A BOARD)• BOTTOM VIEW (VARISTOR-B BOARD)• BOTTOM VIEW (VARISTOR-C BOARD) • BOTTOM VIEW (FUNC BOARD) • BOTTOM VIEW (MIC BOARD) MIC J2210 19 to DISPLAY board J6 GND PTT MIUD NCMICEAFOMSQLS+9VGND • BOTTOM VIEW (JACK BOARD) PHIN J251 62 to DISPLAY board J5 SSPO MSPOGNDPHGGND • BOTTOM VIEW (DRV BOARD)