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HF/VHF TRANSCEIVER

i746PRO

SERVICE

MANUAL

Содержание IC-746PRO

Страница 1: ...HF VHF TRANSCEIVER i746PRO SERVICE MANUAL ...

Страница 2: ...05770 Screw BiH M3 8 ZK IC 746PRO Top cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO NOT force any of the variable components Turn them slowly and smoothly 4 DO NOT short any circuits...

Страница 3: ...NDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9 1 S LOGIC BOARD 9 1 9 2 DISPLAY BOARD 9 3 9 3 TEN KEY BOARD 9 5 9 4 MODE BOARD 9 5 9 5 PHONE BOARD 9 5 9 6 RIT BOARD 9 5 9 7 PBT BOARD 9 5 9 8 MIC BOARD 9 6 9 9 MAIN UNIT 9 7 9 10 DSP UNIT 9 9 9 11 RF UNIT 9 11 9 12 CTRL UNIT 9 13 9 13 TUNER UNIT 9 15 9 14 PA UNIT 9 17 9 15 FILTER UNIT 9 19 9 16 DRV BOARD 9 19 9 17 VARISTOR A BOARD 9 19 9 18 VARISTOR B...

Страница 4: ... suppression More than 55 dB TX variable range 9 99 kHz Mic connector 8 pin connector 600 Ω ELE KEY connector 3 conductor 6 35 d mm 1 4 KEY connector 3 conductor 6 35 d mm 1 4 SEND connector Phono RCA ALC connector Phono RCA RECEIVER Receive system Triple conversion superheterodyne Intermediate frequencies 1st IF freq 64 455 MHz 2nd IF freq 455 kHz 3rd IF freq 36 kHz Sensitivity typical SSB CW RTT...

Страница 5: ...to S LOGIC board J303 DS1002 9 2 DISPLAY BOARD TOP VIEW 9 3 ...

Страница 6: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13811HZ C1 2002 Icom Inc ...

Страница 7: ..._sm02 pdf Icom IC 746 PRO _sm02 pdf Icom IC 746 PRO _sm02 pdf Icom IC 746 PRO _sm02 pdf Icom IC 746 PRO _sm02 pdf Icom IC 746 PRO _sm02 pdf Icom IC 746 PRO _sm02 pdf Icom IC 746 PRO _sm02 pdf Icom IC 746 PRO _sm02 pdf ...

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