Troubleshooting
5-2 No Power
Check the 130V,NoCheck/Replace
12.7V B+ LinesIC801, D802
Yes
NoCheck/Replace
Check IC804
Pin 9 (5V)IC804(KA7630),DZ905,DZ804
Yes
Check IC901NoCheck/Replace
Pin 8 (4V).IC901
Yes
Check IC901 NoCheck/Replace
Pin 18 ; Stand-by : 0V
Normal : 5VIC901(m-com)
Yes
Check IC201,NoCheck/Replace
Pin 40 (H-out)IC201, Q402, Q403
Yes
NoCheck/Replace
Check Q402, Q403
DZ805, IC802
5-2Samsung Electronics |