Icom IC-7600 Service Manual page 24

4-3 PLL UNIT ADJUSTMENT (continued)
ADJUSTMENT ADJUSTMENT CONDITION
R2 LO LEVEL 1 • Frequency
• Mode
• Receiving
: 14.100 MHz 1) Connect a Spectrum Analyzer to
(Main band) J831.
: USB 2) Adjust the LO signal level.
<Viewing from the BOTTOM side>
MAIN UNIT
J831 J831
R2 LO LEVEL R2 LO LEVEL
(CHECK POINT) (CHECK POINT)
L834 L834
R2 LO LEVEL R2 LO LEVEL
4 - 5
OPERATION
PLL UNIT
RF UNIT
ADJUSTMENT
VALUE
POINT
Maximum
L834
level