Lg Electronics 47LE8500 用户手册
Inverter Main
Inverter
Secondary
POWER SUPPLY (SMPS)
47LE8500 Power Supply Start Up Sequence
47LE8500 Power Supply Start Up Sequence
40
Inverter On
Starts the Inverters
24V B+ for the Inverters
Stand By
3.5V
Remote or Power Button Key
MAIN
BOARD
RL_ON
12V Video
Processing
Inv
On
On
Stand By
3.5V Reg
2
5
6
6
8
2
4
5
5
6
Primary side fuse:
Stand-By 159.6V
Run 392.6V (Hot Gnd)
3
24V
Audio
12V 24V
12V
At point TV is in
Stand-By state.
Energy Star compliant.
0 .1 Watts
Stand-By state.
Energy Star compliant.
0 .1 Watts
3
Other Regs
PWM-DIM Digital
Dimming
To Panel
Backlights
120Hz
Manipulates
Backlight LEDs
Low = Bright
Tuner B+
Cust Menu for
Backlight
and
Picture Content
Manipulate P-DIM
RL_On
2
No AC Det in
this model
After Mute Released
LVDS Video
Ft IRKey
24V
INV
On
Model 1_Opt1 Panel Control
INV_CTL
Microprocessor IC8101
RL_ON
Tru-Motion LVDS Video
C8108
R8184
R8184
Q8004
CN1
P201
Bridge
P204
To Panel Backlights
Pow
er O
n
Power
On
5
P205
CN101
24V
P8000
Soft Touch Key
12V/24V
Regulators
P8200
Inv
erter On
erter On
P7500
Reset
Generator
1
AC In
3.5V_ST
B (
C
C
e
nt)
Ex
ten
sio
ten
sio
n
Boa
rd
A (L
eft
)
Ex
te
te
ns
ion
Bo
ard
ard
A (Rig
ht)
E
xte
ns
io
n
Bo
ard
ard
9
P-DIM
P
DIM
IC8003
5V_Normal
8
4
P7501
LCD Panel
Panel
VCC
12V
IC9103
3.3V,
16V, -5V,
26V,
DC to
DC
P
DIM
P
DIM
7
8
9
8
6
6
CN2
CN3
CN104
CN104
CN14~CN22
CN3~CN11
CN25~CN33
5
7
Key 1 or IR
P7901
P7900
CN11
CN103
7
Video
processor
IC900
IC9102
HVDD
7.8V
VCC 3.3V, VDD 16V,
VGL -5V, VGH 26V,
IC9301
Dimming
IC
IC9302
1.8V
Dimming
8
MOSI, CLK
9
9
P-DIM
Global Dimming
Local
Global Dimming
10
10
216 Blocks
V1 ~ V216
July 2010 47LE8500 LCD-DV
Leandro
Palmeira