Only For Training And Service Purposes - LG E1941S Service Manual

AUO PANEL
AC input
EMI filter
14.5V
Boost Circuit
ON/OFF
ON/OFF circuit
DIM
DIM circuit
Copyright © 2011 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Bridge Rectifier
and Filter
H.V Start
(R908,R911)
PWM Control
LD7576AGR
(U901)
Current balance
Control IC
OZ9998BGN
Transformer
Rectifier diodes
(T901)
Power Switch
(Q901)
Current limit feedback
Photo coupler
(U902)
OVP circuit
Feedback
circuit
- 13 -
Regulator
Ignition LED bar
Current
Feedback
LGE Internal Use Only
14.5V
5V