Samsung Electronics
4-5
Troubleshooting
4-1-2 No Sound
Symptom
No output at earphones
Major Checklist
Check if the earphones are normal. / Check the cold solder on the earphones jack.
1
Check if the DCVDD’s power input to the CODEC is being inputted properly.
(Check for 1.8V)
Does the YEPP
LOGO SONG play?
Are the
earphones normal?
Do R/L-CHs output
normally?
Are there skips and
noises?
Completion
Are the skips and
noises even when playing
another file?
Does the
same symptom persist
even after upgrading the
firmware to the latest
version?
Replace the BOARD (needs
thorough examination).
Yes
No
Yes
Yes
Yes
Yes
Yes
Does the same
symptom persist even
after replacing the
earphones?
Does it play after
supplementing the solder
on the JACK?
1
Check if IC501 is
shorted.
Replace the earphones
No
No
No
No
Yes
Yes
No
No
No
No
Yes
Refer to wave pattern
image of Table 4-2.
No Sound
Содержание YP-S5
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Страница 47: ...Samsung Electronics 6 1 PCB Diagram 6 PCB Diagram 6 1 PCB Top 6 2 6 2 PCB Bottom 6 4 ...
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Страница 64: ...7 12 Samsung Electronics MEMO ...