15.3. P-Board (1 of 2) Block Diagram
C601
F501
R514
C504
D401
F1701
C1714
C406
D1702
D501
R511
C407
C308
F1702
L1702
RF1701
D1703
R510
R515
C307
Q302
G
D
S
Q301
G
D
S
L1701
C402
C508
F301
C1716
R509
R512
C511
C1717
D1701
L1709
C509
L601
C306
P+15V
MC501
I+
4
STB+5V
20
STB +5V
9
K1702
P5
ON/OFF
2
AVR
25
Vda
TO SC23
14
POWER
CONTROL
D3
S4B
COLD
7
D1
COLD
4
AC DET
L1705
F STB+15V
D506
1
P9
B3
P+15V
11
PFC
P2
F STB+15V
STB+5V
S1
K1701
CN
POWER CONTROL
18
4
Q403
1
F STB+15V ON/OFF
TO CN02
TO SS12
5
4
3
Vda+75V
4
PFC ON/OFF
3
19
3
S4A
S3
STB PS
MC401
PFC
ON/OFF
VDET
+S
PANEL POWER PART SOS DET
25
D306
18
P1
Vsus ON/OFF
TO CN1601
ON/OFF
D307
12
T501
P2
HOT
P+15V
D305
Q504
HOT
STB+5V
SH
S2B
1
Q1701
+15V
VBias
S1A
COLD
Q401
B2
12
PC1701
TO H5
TO D25
19
PS SOS
13
33
15
Vda DET
12
Vda LO
W
7
ON/OFF
2
15V
D511
1
P+5V
Fs
w-ON
9
F STB+15V
6
10
ON/OFF
17
ON/OFF
IC401
8
(+15V)
P23
B6
16
G1
P10
Q501,
Vsus DET
D510
5
AC DET
Vad(+75V)OVER VOLTAGE
PFC
MC701
BIAS
1
+18V
2
26
ZD401
Q1707,
Vda+75V
21
S1B
P25
Vda+75V
P+15V
D503
08
ERROR
DET
CN
6
Q306
Q1704
1
COLD
CONTOL
HOT
MC1702
HOT
CONT
6
Q502
P+5V
9
ON/OFF
P+5V
1
HOT
6
P1
+15V
13
ON/OFF
B4
ERROR
DET
06
F STB+15V
17
P+15V
P+15V DET
12
1
D502
B1
D507
ZD306
2
P+5V
MAIN SW
ON/OFF
STB+5V ON/OFF
1
P+5V DET
S1
F STB+15V DET
GH
2
ZD305
D512
P+15V ON/OFF
Vsus(+185V)OVER VOLTAGE
(+3.3V)
LED BLINKING
4 TIMES
Vda+75V
HOT
CONT
ON/OFF
7
G3
1
PC505
VR301
7
S2
3
Vda OUT
10
P12
B5
Q303
+18V
1
TO H10
S5
ON/OFF
1701
HOT
RUSH
PC401
P+5V ON/OFF
2
P+5V
1
Vda+75V
Q402,
(+15V)
22
IC501
2
Vsus DET
VR401
STB+5V
Q503
16
10
P
ANEL ON/OFF
Q304
GATE
CN1602
20
8
8
ON/OFF
10
MC301
VSUS_VCC
17
Vda OUT
RELAY
14
Vsus ON/OFF
P+15V
Q1703,
D601
P+15V
Q1708
MC1701
1
AC100V
P+15V
DRIVE
F_STB ON/OFF
11
Q305
P+15V
6
7
P+15V
D513
Vda
RELAY
P+15V
STB+5V
T301
1
6
3
13
AC100V
F STB+15V
OV
P
ALL_OFF
POWER
STB+5V
OUTPUT
CONTROL
ON/OFF
24
3
S3
6
5
8
P+15V
18
CN
GL
ON/OFF
COLD
S2A
9
13
D508
7
MC601
L404
Fsw
POWER SUPPLY(1/2)
P
AC IN
<exchange board only>
POWER MCU MODULE
POWER CONTROL
<Exchange board only>
MODULE
IPD
Drain
Source
CONTR
OL
Control
DISCHG
A
C_N
A
C_L
STB+5V
DISCHARGE
<Exchange board only>
PFC CONTROL MODULE
RELAY/
PFC CONTROL MODULE
<Exchange board only>
PFC ON/OFF
BAIS ON/OFF
<Exchange board only>
Vda/STB POWER CONTROL MODULE
<Exchange board only>
<Exchange board only>
Vda CONTROL MODULE
PANEL_ON
Vda_Low
ALL_OFF
PS_SOS
F_STB_ON
15V_IN
Vda_ON
BIAS_ON
PFC_ON
STB_OUT
+
+
-
+
+
+
-
+
+
+
-
+
L.F
+
L.F
+
+
+
+
+
L.F
+
+
TH-50PZ750U
P-Board (1 of 2) Block Diagram
TH-50PZ750U
P-Board (1 of 2) Block Diagram
F1703
F502
TH-50PZ750U
79
Summary of Contents for TH50PZ750U - 50" Plasma TV
Page 5: ...1 Applicable signals 5 TH 50PZ750U ...
Page 21: ...8 Location of Lead Wiring 8 1 Lead of Wiring 1 21 TH 50PZ750U ...
Page 22: ...8 2 Lead of Wiring 2 22 TH 50PZ750U ...
Page 23: ...8 3 Lead of Wiring 3 23 TH 50PZ750U ...
Page 24: ...8 4 Lead of Wiring 4 24 TH 50PZ750U ...
Page 25: ...8 5 Lead of Wiring 5 25 TH 50PZ750U ...
Page 26: ...8 6 Lead of Wiring 6 26 TH 50PZ750U ...
Page 27: ...8 7 Lead of Wiring 7 27 TH 50PZ750U ...
Page 31: ...9 4 No Picture 31 TH 50PZ750U ...
Page 38: ...11 4 Adjustment Volume Location 11 5 Test Point Location 38 TH 50PZ750U ...
Page 40: ...40 TH 50PZ750U ...
Page 42: ...NOTE 42 TH 50PZ750U ...
Page 76: ...NOTE TH 50PZ750U 76 ...
Page 77: ...15 Schematic and Block Diagram 15 1 Schematic Diagram Note TH 50PZ750U 77 ...
Page 154: ...NOTE TH 50PZ750U 154 ...
Page 155: ...16 Exploded Views Replacement Parts List 16 1 Exploded Views 155 TH 50PZ750U ...
Page 156: ...16 2 Packing Exploded Views Accessories 156 TH 50PZ750U ...
Page 157: ...16 3 Packing Exploded Views Stand 157 TH 50PZ750U ...
Page 158: ...16 4 Replacement Parts List Notes 158 TH 50PZ750U ...