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P
(Backlight)
REG
16V
STB5V
16V
LED
Drive
IC
Anode
Cathode
PWM
PFC
IC
Power
IC
Power
IC
HO
LO
VLED
< P >
A
21
BL-ON
Power Board Structure -1 ( P Board only )
This block diagram is 2ch drive for backlight.
The number of channel is different by the models (LCD panels).
The VLED voltage is also different by the LCD panels.
1 ch
2 ch
( Models are refer to P.10 )
Summary of Contents for LCD-201803
Page 4: ...1 Board Layout 4 ...
Page 11: ...11 2 Signal Processing 2 1 Signal Flow ...
Page 16: ...16 2 2 Troubleshoot of Picture Problem ...
Page 20: ...20 3 Power Supply 3 1 Power Board Structure ...
Page 44: ...44 3 3 SOS Protection Circuit and Troubleshoot of Power Problem ...