Icom IC-2725E User Manual Download | Manualshive

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DUAL BAND FM TRANSCEIVER

i2725E

SERVICE

MANUAL

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Summary of Contents for IC-2725E

Page 1: ...DUAL BAND FM TRANSCEIVER i2725E SERVICE MANUAL ...

Page 2: ...H M2 6 6 ZK IC 2725E bottom 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 or electr...

Page 3: ...CIRCUITS 4 5 4 3 PLL CIRCUITS 4 6 4 4 POWER SUPPLY CIRCUITS 4 8 4 5 PORT ALLOCATIONS 4 10 SECTION 5 PARTS LIST SECTION 6 MECHANICAL PARTS AND DISASSEMBLY SECTION 7 SEMI CONDUCTOR INFORMATION SECTION 8 BOARD LAYOUTS 8 1 CONTROL UNIT 8 1 8 2 MAIN UNIT 8 3 8 3 VCO UNIT 8 5 SECTION 9 BLOCK DIAGRAM SECTION 10 VOLTAGE DIAGRAMS 10 1 CONTROL UNIT 10 1 10 2 MAIN AND VCO UNITS 10 2 ...

Page 4: ...16 H 73 8 D inch Weight Controller 150 g 5 29 oz Main unit 1 4 kg 3 0 lb M TRANSMITTER Output power VHF 50 W 25 W 5 W selectable UHF 35 W 25 W 5 W selectable Modulation system Variable reactance frequency Maximum frequency deviation 5 0 kHz Spurious emissions Less than 60 dB Microphone connector 8 pin modular jack 600 Ω M RECEIVER Receive system Double conversion superheterodyne Intermediate frequ...

Page 5: ...ws A and remove the cover Disconnect two cables B from J1 and J2007 Remove the clip c A A B C J2007 J1 G F G F H E MAIN UNIT J I Unsolder 3 points E Unscrew 4 screws F Unsolder 4 points G and remove the cover H Unscrew 2 screws I Unscrew 12 screws J and remove MAIN unit 3 1 ...

Page 6: ...BAND V MHz SCAN M CALL MW MAIN BAND V MHz SCAN M CALL MW DUP MONI TONE DTMF LOW PRIO SQL DIAL DIAL SQL VOL SET VOL PWR HV 6 4 2 to MAIN unit J2006 5 3 1 J2 RDATA MIC TDATA GND MICE 2 4 6 8 to Microphone 1 3 5 7 J1 MICU D PTT MIC MICIN 8V EXTMIC MICE GND 8 1 ...

Page 7: ...1 1 3 S 13907HZ C2 2002 Icom Inc ...

Page 8: ...Icom IC 2725E Service Manual Icom IC 2725E Service Manual Icom IC 2725E Service Manual Icom IC 2725E Service Manual Icom IC 2725E Service Manual Icom IC 2725E Service Manual Icom IC 2725E Service Manual Icom IC 2725E Service Manual ...

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