LG 32LH30 Training Manual page 30

Power Supply Connector P201 Voltage and Diode Check
Power Supply Connector P201 Voltage and Diode Check
P201 Odd "SMPS" to P700 "Main PWB"
Pin Label
23 nc
1
21 BR1
19 nc
17 24V
15 Gnd
13 12V
11 Gnd
9 5V
7 5V
5 Gnd
3 Gnd
1 nc
1
BR1 (A-DIM) Pin 21 Fixed and not used
Diode Check taken with meter in Diode Mode with all Connectors Removed
Diode
STBY Run
Check
nc nc nc
0V 1.66V Open
nc nc nc
0V 24.8V 0.73V
Gnd Gnd Gnd
0V 12.3V Open
Gnd Gnd Gnd
5.14V 5.14V Open
5.14V 5.14V Open
Gnd Gnd Gnd
Gnd Gnd Gnd
nc nc nc
P201 Even "SMPS" to P700 "Main PWB"
Pin Label
2
24 PDIM
22 Err Out
20 INV.ON
18 24V
16 Gnd
14 12V
12 Gnd
10 5V
8 5V
6 Gnd
4 Gnd
2 PWR-ON
2
PDIM Pin 24 can vary according to type of signal
being processed and the OSD Backlight setting.
0.6V 0% to 3.3V 100%. Output from the video
processor chip.
Spring 2009
30
Diode
STBY Run
Check
0V 3.2V Open
0V 0V Open
0V 4.67V Open
0V 24.8V 0.73V
Gnd Gnd Gnd
0V 12.3V Open
Gnd Gnd Gnd
5.14V 5.14V Open
5.14V 5.14V Open
Gnd Gnd Gnd
Gnd Gnd Gnd
0V 4.99V Open
LCD DV 32LH30