Checkpoints By Error Mode - Samsung HT-BD1255 Service Manual

Troubleshooting

4-1 Checkpoints by Error Mode

Oscilloscope Setting Values
Voltage/DIV
TIME/DIV
4-1-1 NO POWER
4-2
1V/div
500ms/div
No Power Detected
(Stand by LED OFF)
FL1 (250V/10A) is normal?
Yes
BDL1 (TPS10P05G) is normal?
Yes
IC2 (ICE3B0365J) is normal?
Yes
PCA3 (PC817) is normal?
Yes
Change the SMPS PCB
No
Change FL1
Test SMPS PCB
No
Change BDL1
Test SMPS PCB
No
Change IC2
Test SMPS PCB
No
Change PCA3
Test SMPS PCB
Samsung Electronics