Dvd Player - LG 32LG40 Training Manual

CIRCUIT DeSCRIPTIONS

DvD PLAyeR

3
2
L
G
4
0
DvD PlAYER vOlTAGES
Resistance should be taken in diode mode with the connectors removed.
*Pin 2: 3.4V with DVD Player and 0V with no DVD Player.
Pin Label
1 nc
2 Check
3 nc
4 nc
5 Gnd
6 DVDP-Pr
7 DVDP-Pb
8 DVDP-Y
CN400 "DVD" to P901 "Main"
Pin Label Stby
1 P12V
2
3 P3.3V 3.4V 3.37V
4
5
6
34 34
Fall 2008 LCD Training Fall 2008 LCD Training
CN401 Connector "DVD" to P904 "Main"
Stby Run Diode Check
3.34V 3.34V 3.13V
3.34V *0V 3.13V
3.34V 3.3V 3.13V
3.34V 3.3V 2.34V
Gnd Gnd Gnd
0V 0.8V OL
0V 0.8V OL
0V 0.6V OL
Run Diode Check
0V 12.3V
Gnd Gnd Gnd
Gnd Gnd Gnd
Gnd Gnd Gnd
P5V 0V 5V
Pin Label
14
15
16 SPDIF
17 DVDP-MUTE
18 DVDP-L
19 Gnd
20 DVDP-R
21
CN402 "DVD" to P900 "Main"
Pin Label Stby
3.22V 1 GP101 3.4V
Gnd 2 TXD1 0.7V 3.08V
0.78V 3 RXD1 0.7V
Gnd 4 Gnd
Gnd
1.2V
Stby Run Diode Check
nc 0V 0.7V
nc 0V 0V
3.38V 1.8V
0V 0V
0V 2.4V
0V 0V
0V 2.4V
nc 0V 0V
Run Diode Check
0V OL
OL
3.4V OL
Gnd Gnd Gnd
0.15V
Gnd
OL
2.3V
1.1V
Gnd
1.1V
OL