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ELECTRICAL ADJUSTMENT-3/3 (CD SECTION)
< CD SECTION >
CD C.B
VR1
VR2
JW35
RF
C17
3
IC2
TSO
test point
VREF
1
1
2
2
1. RF Adjustment
Test point: RF (IC2 1PIN) and VREF (IC2 3PIN)
1) Connect the oscilloscope to the test points.
2) Turn on power switch.
3) Load test disc (TDC-782) and play the second track.
4) Adjust VR1 so that RF waveform is maximum.
5) Turn off power switch.
2. EF Balance Adjustment
Test point: TSO (IC2 35PIN) and VREF (IC2 3PIN)
1) Connect an oscilloscope to the test points.
2) Turn on power switch.
3) Load test disc (TCD-782) and play.
4) Press skip button so that EF
waveform appears.
5) Adjust VR2 so that EF waveform is symmetrical.
6) Turn off power switch.
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