Icom IC-7100 Service Manual Addendum page 233

4-2 ADJUSTMENT ON THE MAIN UNIT
ADJUSTMENT ITEM TRANSCEIVER'S CONDITION OPERATION
COIL PRESET • Receive
MIXER BALANCE • Frequency
• Mode
• PREAMP
• Receive
• THE LOCATION OF ADJUST/CHECK POINTS ON THE MAIN UNIT
<TOP VIEW>
MIXER BALANCE
Check point
<BOTTOM VIEW>
• Set the coils as follows.
: 1.821 MHz 1) Connect the millivoltmeter to
: LSB [SP].
: OFF 2) Adjust the noise level.
4-2
CHECK ADJUST
POINT POINT
L4201
L4202
–
L4251
[SP] R3237 Minimum noise level
MIXER BALANCE
Adjust point
J401
COIL PRESET
Adjust point
VALUE
3 rotations
Core
2.5 rotations
Core
Core's Bottom