Samsung LE19R86BD Service Manual page 99

4 Troubleshooting
4-2 Checkpoints by Error Mode
4-2-1 No Power
LAMP off, power indicator
LED red color?
Yes
Does proper DC 13V appear
at CN1001.
Yes
Does proper DC A5V appear
at C1085?
Yes
Does proper DC 3.3V, 1.2v
appear at C1113, C1055?
Yes
A power is supplied to set?
4-2
No
Check a connection a power cable.
No
Change a Assy PCB Power.
No
Check IC1020. Change a main PBA.
No
Check IC 1023, IC1005.
Change a main PBA.
Check a other function.
No
(No picture part)
Replace a lcd panel.