4-6
Samsung Electronics
Troubleshooting
4-1-2 If no sound is heard
Finished
Replace Board.
(Requires close inspection)
Yes
No
Yes
Yes
Yes
Yes
Yes
Replace earphones
No
No
No
Yes
No
No
No
No
Yes
Replace Jack
Refer to wave pattern
image of Fig. 4-4.
No Sound
Are the earphones
inserted normally?
Does the
same symptom persist
even after replacing the
earphones?
Does
the R/L-CH come out
normally?
Does the
YEPP LOGO SONG
play?
Does it
play after adding solder to the
JACK?
Can audio
stoppage or interference be
heard?
Can it be
heard when playing other
files?
Do the
symptoms appear even
after upgrading to the latest
firmware?
Содержание YP-U4
Страница 23: ...MEMO 4 12 Samsung Electronics ...
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Страница 30: ...Samsung Electronics 6 1 PCB Diagram 6 PCB Diagram 6 1 MAIN PCB Top 6 2 6 2 MAIN PCB Bottom 6 4 ...
Страница 34: ...Samsung Electronics 6 5 PCB Diagram 6 2 1 Test Point Wave Form TP1 TP2 TP3 TP4 TP5 ...
Страница 35: ...6 6 Samsung Electronics MEMO ...
Страница 39: ...7 4 Samsung Electronics MEMO ...