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4-9 No Sound
Picture is display, no sound.
No
Check a sound source and
check the connection of
sound cable ?
Yes
Does the signal appear at
#9,10(VIDEO1 L/R),
#14,15(VIDEO2 L/R),
11
#79,80(PC,COMP,DTV,DVI-L/R)
of IC302?
Yes
Does the digital data appear at
#60-3(Mclk,Sclk,LRclk,data)
12
of IC302 ?
Yes
Does the signal appear at
13
L405-8 (L/R output) ?
Yes
Replace the speaker ass'y ?
No
Input a sound signal.
Check a connected cable.
Check JA602, JA603, JA803,
No
JA805 or Side-AV.
Change a main PCB ass'y or side-
AV Ass'y
No
Check IC302
Change a main PCB ass'y
No
Check IC401
Change a main PCB ass'y
No
Please, Call to Samsung Co. LTD.
4 Troubleshooting
4-15
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