Samsung Electronics
4-9
Troubleshooting
1
Is the 32.768 clock displayed?
(R118)
Is audio signal present?
Yes
No
Does U701 work?
Does X402 work?
Replace U701.
No
No
Yes
Replace the board.
(Detailed inspection is
required.)
4-1-4 If FM doesn’t work
Yes
Yes
If FM doesn’t work
Replace X402.
No
Replace the board.
(Detailed inspection is
required.)
See the waveform and
the image in Fig. 4-5.
Содержание YP-R1
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