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Check the voltage at pin3,13
of IC652(SOUND AMP).
D850,F851.
5V
CHECK/REPLACE
CHECK/REPLACE
601,Q602,IC652.
CHECK/REPLACE
Check the waveform
at pin 11 of P901B.
IC1113,Q1110~Q1112.
PIN CUSHION
21
IC1113.
IC302
15V
0V
T101.
T101.
NORMAL
Check/Replace D2909~10,
Q2902,Q2907~2910.
IC1113.
IC302
R424.
D402.
Q404, Q405.
- 22 -
CHECK/REPLACE
T101,Q109.
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