Samsung SP43J6HDX/XEN Service Manual page 32

Lcd projection television chassis m51a
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Troubleshooting
6-4 No Sound
No
MAIN-L, SUR, CENTER,
Check/Replace
IC101
Micom Module
Audio Module
6-5 No Standby (+5V)
the voltage of IC808
pin 5 (over 6V)
Check the AC
power supply of D826
Check F801
Check L801,L802, C801,
C802, V801, R801
6-4
Yes
Check IC601,# 5 (MUTE)
Check Audio Module
S-RESET, QSS-IN
No
Check/Replace
IC604
MICOM Module
Check
Yes
No
Yes
No
Yes
No
No
Yes
Check/Replace
Micom Module
Yes
Check IC604
#9, #14, #15
Check/Replace
IC808 Regulator
IC (SI-3050C)
Check the associated
circuitry parts of T802, IC801
Replace F801
(AC250V/6.3A)
Q602, Q603
IC601
Replace
IC601
Samsung Electronics

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