Samsung DW21G5VDX/XEF Service Manual page 20

Troubleshooting
5-4 DVD PLAY NO PICTURE
Check CN201
y-cut,c-out
Check chroma module
5-5 DVD PLAY NO SOUND
Check CN201
D-L, D-R
Check Sound module
5-4
No
Yes
No
No
Yes
No
Check DVD
Replace
Check DVD
Replace
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