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Start up Operation 2-1
TX- ##JX800-83#*, TH-##JX700* (Android TV)
P
(No repairable,
(No repairable,
Board exchange)
Board exchange)
When the TV is plugged in, the power board outputs 12V for A board.
When the power supply receives the TV_PS_ON signal, the power board change from standby mode
to high current mode.
After A board is ready to display, it outputs Backlight_on command to P board.
P board output VLED to the backlight of LCD panel.
CN3
LED
Drive
CN2
12V
Output
Mode Change
(Standby/Normal)
VLED
6
6
(light)
(light)
5
A02
BL_ON
12V
1 - 5
1
3
TV_PS_ON
LCD Module
Power
LCD Panel
For
LED
(Back
T-CON
Light)
board
PNL12V
44 - 51
A16
10
A
STB12V
POWER_ON
13
(No repairable,
(No repairable,
Board exchange)
Board exchange)
4
2
POWER
Switch
3
48
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