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4-9 No Sound
Picture is display, no sound.
Yes
Check the sound source and
check the connection of
sound cable ?
Yes
Does the signal appear at
C1007,C1016,C1012,C1020,
C1009,C1017,C1011,C1018?
Yes
Does the signal appear at
11
#50~55 for IC1002?
Yes
Does the digital data appear
12
at #4~6 of IC1002?
Yes
Does the digital data appear
13
at L1101,L1104?
Yes
Replace the speaker ass'y?
No
Input a sound signal.
Check the connected cable.
Check JA800,JA803,JA808 &
No
SIDE AV Change the
main PCB ASS`Y
Check IC1001,JA704,JA702
No
or SIDE AV Change the
main PCB ass'y
No
Check IC1002
Change the main PCB ass'y
No
Check IC1100
Change the main PCB ass'y
No
Please, call to Samsung Co. LTD.
4 Troubleshooting
4-15
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