Reference Frequency Signal Level Adjustment - Icom IC-7600 Service Manual

4-2 REFERENCE FREQUENCY SIGNAL LEVEL ADJUSTMENT

ADJUSTMENT ADJUSTMENT CONDITION
REFERENCE 1 • Receiving
FREQUENCY
SIGNAL
LEVEL
1) Connect a RF Voltmeter to J81.
2) Adjust the reference frequency
signal level.
<Viewing from the BOTTOM side>
MAIN UNIT
REFERENCE SIGNAL LEVEL REFERENCE SIGNAL LEVEL
J81 J81
REFERENCE SIGNAL LEVEL REFERENCE SIGNAL LEVEL
(CHECK POINT) (CHECK POINT)
4 - 2
OPERATION
PLL
UNIT
RF UNIT
L61 L61
L62 L62
ADJUSTMENT
VALUE
POINT
L61, L62 Maximum
(repeatedly) level