4-6
Samsung Electronics
Troubleshooting
1
Is R711 high?
Is audio signal present?
Yes
No
Does U701 work?
Does U301 work?
Replace U701.
No
No
Yes
Replace the board.
(Detailed inspection is
required.)
4-1-2 If there is no sound
Yes
Yes
If there is no sound
Replace U301.
No
Replace the board.
(Detailed inspection is
required.)
See the waveform and
the image in Fig. 4-4.
Содержание YP-R1
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