Troubleshooting - Samsung HT-C550 Service Manual

Troubleshooting

4. Troubleshooting
4-1 Checkpoints by Error Mode
4-1-1 Main Power
No power detected
(Stand by LED off)
No
FR1 is OK?
Change fuse
Yes
No
No
Change SMPS.
ICFB5401 Pin 1 is 2.5V
CON3 Pin 12, 13, 14 is 5.4V?
Check Main PCB Check Main PCB
Samsung Electronics 4-1