Ol Ol - LG 32LG40 Training Manual

MAIN BOARD CONNECTORS
Pin
S
witched 1
LVdS 12V
3
5
7
ScL
9
11
13
V
ideo 15
S
ignaL
17
19
21
n/c
23
25
27
29
V
ideo
31
S
ignaL
33
35
37
n/c
39
Resistance taken in Diode Mode with connectors removed.
P900 "Main" to P104 "Control"
Stby Run Diode
0V 11.7V OL
0V 11.7V OL
0V 0V Gnd
0V 0V Gnd
0.47V 3.3V 1V
0V 1.14V 1V
0V 1.11V 1V
0V 1.12V 1V
0V 1.11V 1V
0V 1.16V 1V
0V 1.14V 1V
0V 0V OL
0.5V 3.15V 2.98V
0V 1.14V 1V
0V 1.12V 1V
0V 1.14V 1V
0V 1.07V 1V
0V 1.16V 1V
0V 1.16V 1V
0V 0V OL
CIRCUIT DeSCRIPTIONS
Pin Stby Run Check
1
2
3
Pin Stby Run
2 0V 11.7V
4 0V 11.7V
6 0V 0V
8 0V 0V
10 0V 3.3V
12 0V 1.14V
14 0V 1.11V
16 0V 1.05V
18 0V 1.11V
20 0V 1.07V
22 0V 1.05V
24 0V 3.25V 1.28v
26 0V 3.3V
28 0V 1.14V
30 0V 1.09V
32 0V 1.07V
34 0V 1.13V
36 0V 1.07V
38 0V 1.07V
40 0V 0V
P501 "Main" to
"Speakers"
0V 8V 2.58V
0V 8V 2.58V
0V 8V 2.58V
Diode
OL
OL
Gnd
Gnd
Sda
1V
1V
1V
1V
1V
1V
1V
FRc R
eSet
3V
1V
1V
1V
1V
1V
1V
Gnd
57 57
Fall 2008 LCD Training Fall 2008 LCD Training
4
2
L
G
6
0