Lg Electronics 47LE8500 用户手册
PWM-DIM (PWM Dimming) can vary according to incoming video IRE level, OSD Backlight
setting and Intelligent Sensor (room light condition).
Range 0.
setting and Intelligent Sensor (room light condition).
Range 0.
37V to 3.3V.
47LE8500 Television Turn On Commands Circuit Drawing
47LE8500 Television Turn On Commands Circuit Drawing
R8019
100Ω
11.9V
Gnd
Gnd
Gnd
Gnd
0.
37V~3.3V
3.3V
ERR OUT
PWR
INV_CTL
PWM-DIM
SMPS
P201
R25
11
MAIN Board
P8000
3.44V
Gnd
1
6
5
8
7
10
9
12
11
14
15
19
17
21
18
24
22
20
1
6
5
8
7
10
9
12
11
14
15
19
17
21
18
24
22
20
Gnd
n/c
n/c
L8003
L8002
+12V
C8001
100uF
R8000
10K
10
Q8005
+3.3V_Normal
INV_CTL
S
2
6
D
7
Q8004
L8015
Panel_Vcc (12V)
3.36V
G
Q8003
Model_Opt_1
1.8V
+12V
R8010 10KΩ
C8000
100uF
+3.5V_ST
RL_ON
GPIO 09
2.92V
41
Q8002
L8000
+3.5V_ST
n/c
INV_On
PWR-ON
PWM-DIM
IC8101
Micro
RL_ON
Power Det
14
Reset
40
Key 1
25
Key 2
26
Power
On/Off 2_2
20
R8004
4.7K
3.44V
3.44V
3.44V
11.9V
Q8001
0V
36
R8060
10KΩ
+3.3V_Normal
Reset
11.9V
12V
Gnd
13
13
16
16
n/c
n/c
n/c
23
23
n/c
n/c
n/c
Gnd
Q8000
R8032
10K
R8187
22Ω
R8184
47K
C8108
0.1uF
IC900
BCM
R1041
0Ω
R8027
0Ω
R8178
22Ω
IR
16
R8135
22Ω
R8103
100Ω
R8001
47K
R8011
1.8K
To IC9103 DC to
DC Conv T-CON
DC Conv T-CON
+12V
L8013
IC8005
Power_On/Off2_2
R8176
22K
R8026
1K
0.68V
R8003 22KΩ
11.8V
11.79V
11.8V
3.36V
8
0.66V
0V
3.36V
3.3V
0V
0V
3.1V
24.6V
11.9V
R8134
22Ω
July 2010 47LE8500 LCD-DV
3
2
4
3
2
4
24.6V
L8005
+24V
C8024
68uF
24V
24.6V
24.6V
12V
12V
Digital Dimming (Variable)
SBY3.5V
Leandro
Palmeira