Troubleshooting
5-4 No Sound (Video OK)
CHECK IC701NoCHECK/REPLACE
Pin 3,5Sound Module (MD701)
Yes
NoCHECK/REPLACE
CHECK IC701
IC701, C712, C719
Pin 15,18
Yes
CHECK IC601 PinNoCHECK/REPLACE
1IC601, R601, R6022 14 15
Sound output
Yes
CHECK/REPLACE
A/V Front Assembly.
5-5 Power OFF/ON (Repeatedly)
CHECK Q403NO
COLLECTOR H-PULSESEE " NO-POWER"
YES
CHECK/REPLACE
CHECK IC901NO
IC901,Q907,C913
PIN26(H-SYNC)
DZ402
YES
CHECK IC301YESCHECK/REPLACE
PIN7(V-BLANK)Q301,Q302,D304
NO
CHECK/REPLACE
CHECK PIN6(+16.5V)R409,R413,D407,D410NO
PIN1(-14V)DZ302,DZ303
YES
CHECK/REPLACE
IC301,IC201
5-4Samsung Electronics |