LG 28LJ400B Service Manual page 29
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Also See for 28LJ400B:
- Easy setup manual (45 pages) ,
- Owner's manual (43 pages) ,
- Owner's manual (29 pages)
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A5 Power circuit diagram
8 Power circuit diagram
AC
EMI
Rectifie
input
filter
19V/24V/
32V/50V
output
Output
filter
AC/DC
Output
Power convertor
filter
Feed
back
LED driver
VCC_Panel
PWM_DIM
6 12 31
19V/24V/
32V/50V
output
power amplifier
The main IC
12V
Screen voltage
output
and so on
LED
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Only training and service purposes.
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