LG 50PC1DR Owners Manual - Page 10
Power Supply Voltage Distribution - troubleshooting
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Power Supply Voltage Distribution HS2 Q607 Q801 PC901 HS3 U801 HS4 T801 R606 R607 Q606 Q601 U851 T902 Q854 R963 P802 19V 3.3V 12V P803 3.3V 6V 12V AC DETECT RL- ON VS-ON 5V-D 5V-M S-5V 6V P800 L601 Q602 D602 L851 C855 D601 380V U151 C602 C603 Q855 R870 R162 T901 T112 Q151 Standby Regulator U501 S-5V U601 PCs Control S-5V IC 28 U701 24 20 19 D502 R745 R747 Q702 Q701 D703 D704 Low Voltage Standby Power Supply T501 HS1 D101 D102 AC Relay RL101 AC Relay RL102 120VAC D506 D501 TH01 TH02 Troubleshooting D951 VS D952 D953 D271 6V D261 Q252 D251 D202 VA 5V-M Q281 5V HS6 U261 Q223 D221 3.3v AC Input F101 AC INPUT Circuit Plasma Display Panel Troubleshooting - 2007 10
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10
Plasma Display Panel Troubleshooting - 2007
TH01
120VAC
Power Supply Voltage Distribution
Troubleshooting
AC
INPUT
Circuit
AC
Relay
RL101
AC
Relay
RL102
D101
D102
D501
D506
U701
19
24
Low Voltage
Standby Power
Supply
P800
P803
P802
D703
D704
F101
R606
R607
HS1
HS2
L601
Q607
Q606
Q601
Q602
D602
D601
380V
C602
C603
D502
R747
R745
HS3
PCs
T902
U851
U601
Control
IC
S-5V
28
Standby
Regulator
T112
R162
U151
R870
U501
AC Input
T901
19V
T801
U801
Q854
Q855
Q151
L851
C855
HS4
PC901
Q801
R963
12V
12V
HS6
T501
3.3V
3.3V
D951
D952
D953
D271
D261
Q252
D251
VS
VA
5V
Q281
6V
6V
6V
Q701
Q702
D202
U261
Q223
D221
S-5V
AC DETECT
RL- ON
VS-ON
3.3v
5V-D
5V-M
5V-M
S-5V
TH02
20