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B. Audio Out abnormal
AUDIO OUT ABNORMAL
Check Audio Jack &
Mode S/W
Check +12V, +5V_DAC
Check Signals from MPEG
Is Q401 OK ?
Is IC413 OK ?
Is IC403 OK ?
Is IC402 OK ?
Replace IC401
D. Audio In/Speaker abnormal
AUDIO IN/SPEAKER
ABNORMAL
Check Audio Jack &
Mode S/W
Is Q481 OK ?
Is VR401 OK ?
Is Speakers OK ?
Replace IC414
Replace
Q401
Replace
IC413
Replace
IC403
Replace
Q481
Replace
VR401
Replace
Speakers
C. Video Out abnormal
VIDEO OUT ABNORMAL
Check Video Jack &
Mode S/W
Check Video signals
from MPEG
Check TR. Buffer
(Q471,Q472,Q473)
Check LC Filter
E. Video In abnormal
VIDEO IN ABNORMAL
Check Video Jack &
Mode S/W
Replace
Is IC461 OK ?
IC461
Check TR. Buffer
(Q471,Q472,Q473)
Refer to LCD part
3-18
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