IC765

MOD FOR IMPROVED MONITOR VOLUME.

FOR RADIOS WITH SERIAL NUMBERS BELOW 2000

1. SET RADIO FOR 8 MHZ IN LSB
2. ADJUST C226 FOR 1 TO 1.2V AT R201.
3. VERIFY THAT IT GOES TO 3V AT 7.9999MHZ
CHANGE R85(10K) ON MAIN UNIT TO 4.7K.
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PASSBAND TUNING MOD.

1. DESSOLDER AND LIFT CATHODE OF D63 FROM PCB.
2. ADD A 1N9UNCTION OF THE
   1N914 CATHODE AND D63 CATHODE.
AFTER MODIFICATION:
IF SHIFT BUTTON OUT = PASS BAND TUNING
IF SHIFT BUTTON IN  = IF SHIFT.
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