Sony DVP-FX700 Service Manual page 74

B. Audio Out abnormal
AUDIO OUT ABNORMAL
Check Audio Jack &
Mode S/W
Check +5V , -5V
Check Signals from MPEG
Is Q304 OK ?
I s Q303 OK?
Is IC304 OK?
Is IC303 OK ?
Is IC302 OK ?
Replace IC301
D. Audio In/Speaker abnormal
AUDIO IN/SPEAKER
ABNORMAL
Check Audio Jack &
Mode S/W
Is Q305 OK ?
Is VR300 OK ?
Is Speakers OK ?
Replace IC306
Replace
Q304
Replace
I C303
Replace
IC304
Replace
IC303
Replace
Q305
Replace
VR300
Replace
Speakers
C. Video Out abnormal
VIDEO OUT ABNORMAL
Check Video Jack &
Mode S/W
Check Video signals
from MPEG
Check TR. Buffer
(Q423, Q421, Q430)
Check LC Filter
E. Video In abnormal
VIDEO IN ABNORMAL
Check Video Jack &
Mode S/W
Replace
Is IC401 OK ?
IC461
Check TR. Buffer
(Q423, Q421, Q430)
Refer to LCD part
9-2