63V Power Supply For The Backlights Section Of The Smps - LG 55LW5600 Troubleshooting Manual

63V Power Supply for the Backlights Section of the SMPS

The Power Supply for the Backlights pp y
can be checked at the (+) side of C256 or
C257 or the Cathode of D253.
Note: When the PWR_ON command Note: When the PWR ON command
Arrives, this voltage will read 56V.
When the DRV_ON command arrives
This voltage will rise to 63V.
g
Location: Top Center of the SMPS Location: Top Center of the SMPS
57
C256 C257
63V
63V
July 201 1 LCD TV
63V
D253 D253
55LW56000