Service Manuals, User Guides, Schematic Diagrams or docs for : LG Monitor LG_50G2_50PQ30_diagrams_[SCH][TM]
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50PQ30 50G2 (SMPS) POWER SUPPLY BOARD
Model : PDP 50G2####
EXAMPLE: Voltage Label. Use the voltage
Voltage Setting:5V / Va:60V / Vs:193V
label off your specific panel for adjustments. N.A. / -185 / 133 / N.A. / 80
Max Watt : 350 W (Full White)
Hot Ground Symbol represents a SHOCK Hazard
P811 VA Adjust VS Adjust
10 VR502 VR901
L602
1
T901
F801
L601
4A/250V
STBY 123V
VR901 VR502
RUN 382V Va P813
10) M5V Vs
9) M5V 1 17V 2 17V
8) Gnd F801
7) VA 1,2) 17V 3 4
Gnd Gnd
3,4) Gnd
6) VA 17V turns on
Hot Ground
STBY 160V
Hot Ground
5) Gnd 5,6) 12V 5 12V 6 12V
RUN 382V with Vs On
Hot Ground
4) Gnd 7,8) Gnd
command 7 Gnd 8 Gnd
3) N/C 9,10,11) +5V
2) VS 12) Stby 5V 9 5V 10 5V
F302 13,14) Gnd
1) VS
1A/ T30115) n/c IC701 11 5V 12 STBY 5V
250V 16) Gnd 13 Gnd 14 Gnd
17) 5V Det
18) AC Det 15 Gnd 16 N/C
F101 F101 19) RL_On
20) VS_On 17 5V Det 18 AC Det
C107
C106
10A/250V
21) M5_On
RL101
RL103
P813 23 19 RL ON 20 VS ON
AC In 22) Auto Gnd 1
L102
23) Stby 5V 21 M5 ON 22 Auto Gnd
SC101 24) Key_On
2 24 23 Stby5V 24 Key On
Published November 2009 50PQ30 Plasma
50PQ30 (50G2) Y-SUS BOARD
-Vy VSC
Model : PDP 50G2####
EXAMPLE: Voltage Label
Voltage Setting:5V / Va:60V / Vs:193V
Voltages must
Use the voltage label off your
N.A. / -185 / 133 / N.A. / 80
be taken from specific panel for adjustments
Floating Ground
Max Watt : 350 W (Full White)
12) FGnd 1) +5V
11) OC2 2) +5V
10) DATA P209 3) Gnd
9) OC1
8) STB VR601 P206 4) Gnd
5) Gnd
7) Clk 6) Gnd
6) FGnd
5) FG5V
SET-UP 7) n/c
8) ER_COM
4) FG5V 9) ER_COM
3) FGnd 10) n/c
2) FGnd 11) +Vs
Floating Gnd
1) FGnd 12) +Vs
P204
1) +Vs
2) +Vs
3) No pin
FS202 4) Gnd
5) Gnd
4A/250V 6) Va
7) Va
8) Gnd
P201
9) +5V
10) +5V
Floating Gnd
FS201
P203 10A/125V
Floating Gnd
P205 + -Vy TP
R201
VR501
VSC D502
D503 P101
1
Voltages must IC503 VR502 VR401
be taken from T501
IC502 -Vy SET-DN
Floating Gnd
Floating Ground +
P208 D501
IC303 1) 15V 30
12) VScan 15V 2) 15V
11) VScan C214 3) 15V
FS501
10) n/c
9) FG5V C213 VSC TP Q503 1) Gnd
2) Gnd
125V/4A
4) 5V
5) 5V
8) FG5V 3) Gnd 6) 5V
7) FGnd
6) Clk
R202 4) n/c
5) Va
7) 5V
FS201
5) STB Right side 6) Va T502
4) OC1 P207 7) Va 10A/125V
3) DATA C213 Vscan Va
2) OC2
1) FGnd
P202
50PQ30 (50G2) Y-DRIVE BOARD (50PQ30)
Y-Drive
Upper
Voltages must
be taken from
P101
Floating Ground
P109
12) FGnd
11) OC2
10) DATA
9) OC1
8) STB
7) Clk
6) FGnd
P109 5) FG5V
P10 4) FG5V
P102
FG5V 9 3) FGnd
2) FGnd
1) FGnd
FL101
P106
P10 All Pins
6 Floating Gnd
C105
- + FG5V
P108
P107
1) FGnd P10 All Pins
2) FGnd 7 Floating Gnd
3) FGnd
P103
4) n/c
5) VScan Y Drive
6) VScan TPs
VSC (Y Scan) P108
143V
P209 P209 Y Drive
6) FGnd TPs
5) FGnd
P201
4) FGnd P208
3) n/c All Pins
2) VScan Floating Gnd
1) VScan
VSC (Y Scan)
143V
P206
All Pins
Floating Gnd
C205 VSC (Y Scan)
-
143V
+
P202
P205
12) VScan
FL201
FG5V 11) VScan
10) n/c
P205
9) FG5V
8) FG5V
7) FGnd
6) Clk
5) STB
4) OC1
3) DATA
2) OC2
1) FGnd
P203
Voltages must
be taken from
Floating Ground
Y-Drive
Lower
50PQ30 (50G2) Y-SUS Board
Y-Drive
Upper
EXAMPLE: Model : PDP 50G2####
Voltage Label Voltage Setting:5V / Va:60V /
Use the voltage Vs:193V
P101
label off your N.A. / -185 / 133 / N.A. / 80
specific panel for Max Watt : 350 W (Full White)
adjustments
-Vy VSC
+5V
+5V
P209 Gnd
Gnd
12) FGnd Gnd
P109
P102
P109 11) OC2 VR601 Gnd
10) DATA n/c
FG5V
9) OC1
SET-UP ER_COM P206
8) STB ER_COM
FL101
7) Clk n/c
+Vs
Floating Gnd
6) FGnd
Floating Gnd
+Vs
P204
5) FG5V
P106
P106 4) FG5V
3) FGnd
2) FGnd
1) FGnd FS202
14A/250V
C105
- +
P201
+Vs
+Vs
Floating Gnd
FG5V
Floating Gnd
FS201
No pin
P203
P107 10A/125V
P107 Gnd
Gnd
P103
Va
Va
Gnd
Y Drive +5V
+5V
TPs
P108
P209
VScan
VScan
FGnd
FGnd
FGnd
P201
n/c
Floating Gnd
Floating Gnd
P205
P208 +
-Vy TP
R201
VR501
VSC D503
D502
P208 IC503 VR502 VR401
T501
1
-Vy SET-DN
Floating Gnd
Floating Gnd
+ D501
IC502
P206 VSC TP 15V P101
C214 R202 1) 15V
C205 C213 Q503 FS501 2) 15V
- 125V/4A 3) 15V 30
P202
+ 4) 5V
12) VScan FS201
5) 5V
P205
11) VScan T502
10A/125V
FL201 P207 10) n/c
6) 5V
FG5V 7) 5V Va
9) FG5V
8) FG5V
7) FGnd P202
6) Clk
5) STB
Voltages must 4) OC1 1) Gnd
be taken from 3) DATA 2) Gnd
Floating 2) OC2 3) Gnd
Ground 1) FGnd 4) n/c
5) Va
P203
6) Va
7) Va
Y-Drive
Lower
50PQ30 (50G2) Z-SUS BOARD
EXAMPLE: Voltage Label Model : PDP 50G2####
Use the voltage label off Voltage Setting:5V / Va:60V / Vs:193V
your specific panel for N.A. / -185 / 133 / N.A. / 80 Z Bias
adjustments Max Watt : 350 W (Full White)
1) +5V
2) +5V
VZB TP Top Side
3) Gnd
4) Gnd
R271 or R272 To J125
5) Gnd
6) Gnd
7) n/c
8) ER_COM
9) ER_COM
10) n/c
11) +Vs
12) +Vs
P101 Vs fuse
J125
P104
FS100
FS100 FS102
125V/10A 250V/4A
(M5V) VZB Adj
VR200
Z Bias
Waveform
J27
Gnd
Z-enable
Z-Bias
Z-Ramp
Gnd L200
Z-ER-Up
Z-ER-Dn P105
P100 Z-SUS-
Up
Z-SUS-
Dn
Gnd
+15V
+15V
15V Pins 11/12
FS101
FS101 125V/4A P103
(15V)
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