T-CON PWB
12V LVDS
Along with Video
On LVDS cable
Inverter On
Starts the Ballast
Backlights Light
135V B+ for the
Ballast
Stand
By 5V
Power Button
Or Remote Key
Reset of
Main
Board
5V
Switch
PWR
On
12V Video
Processing
Inv
On
Ballast
Control
IC
135V
Regulator
12V/24V
Regulators
Other
Regs
Stand
By 5V Reg
1
2
6
6
6
8
8
6
3
5
6
6
6
Primary side fuse:
Stand-By 168V
Run 380V
4
24V
Audio
12V 24V
8
Reg
For
Micro
LVDS
12V
Switch
12V
7
7
At point TV is in
Stand-By state.
Energy Star compliant.
Less than 1 Watt
4
Other Circuits
5V General
A-DIM
Fixed
P-DIM
Manipulates Backlights
O
th
er C
irc
uits
9
Cust Menu
for Backlight
Picture
Content
Power On
3
8
Ballast Section
Of the Power Supply
No AC
Det in
this
model
T
o Backlights
LVDS Panel Control
Inv On/Off
Microprocessor IC100
Also Video Processor
LVDS
Video
12V
Power On
AC In
Ft Control
Analog
Dimm
ing
Digital
Dimm
ing
Bridge
Master
(Main)
Power Sw
On
Off
L
42LH20 Power Supply Turn On Sequence
42LH20 Power Supply Turn On Sequence
25
