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Icom IC-746PRO, Service Manual

The Icom IC-746PRO is a top-notch amateur radio transceiver with advanced features and exceptional performance. Discover the full potential of this powerful device by accessing its comprehensive Service Manual. Experience the convenience of downloading this manual for free from manualshive.com. Unlock the capabilities of the IC-746PRO and take your amateur radio experience to the next level.

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HF/VHF TRANSCEIVER

i746PRO

SERVICE

MANUAL

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Summary of Contents for IC-746PRO

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

Page 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...

Page 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...

Page 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...

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

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

Page 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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