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SCR-140(A4)-en 99.3.15 11:37 AM ˘ ` 12
No audio output
Insert audio disc.
Focus lock?
Spindle Motor rotates?
Audio signal is outputted in
IC201 77, 80Pin?
Audio signal is outputted in
IC701 1. 7Pin?
Audio signal is outputted in JK 701
Y
N
Y
N
Y
N
Y
N
Y
N
Refer to 'No focus lock'
Refer to 'No Spindle Motor rotation'
Check IC201 power and soldering.
Check IC701 power input and
peripheral integer VR soldering.
Check L702, L701 soldering
19
12
N
Replace IC201
N
Replace IC701
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