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Panasonic Manuals
Plasma TV
Viera TH-50PE8U
Service manual
Panasonic TH-50PE8U Service Manual page 33
50 inch class 720p plasma hdtv
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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9.5.
Block Diagram (5/5)
SS
SUSTAIN DRIVE
SS
P11
11
Vsus
1
SS
34
1
SHORT JUMPER
3
SS
P12
12
MAIN SW1
8
MAIN SW2
10
+15V(P)
4
Vda
1
Vda
2
SS
C33
TPVDA
23
Vda
1
Vda
2
SOS8_SS
5
+5V(P)
12
SUSTAIN CONTROL
SUSTAIN CONTROL
P
POWER SUPPLY
HOT
HOT
COLD
COLD
T404
D540
D531
MAIN
T401
POWER
PFC
CONT.
D536
IC406
IC520
PFC CONTROL
Vlow
D401
CONTROL
T402
RECTIFIER
L404,5
IC401
FILTER
PHOTO COUPLER
PFC_ON/OFF
RL402
MAIN RELAY(H)
RUSH RELAY(H)
RL401
+5V
RL403
L410
D404
T410
D511
FILTER
RECTIFIER
F403
STB
T630mAL 250V
POWER
IC409
CONT.
D509
F402
F401
T8AH 250V
T8AH 250V
HOT
HOT
COLD
COLD
1
4
P9
NEUTRAL
LIVE
AC CORD
TH-50PE8U
Block Diagram (5/5)
TPVSUS
IC16131
UMH
IC16301
IPD
Q16001,2
VSUS Gen.
IC16302
DRIVER
D16321
TPVE2
Q16021,2
UML
TRANS
VE2
T16301A
IC16151
NUEL
USH
ENERGY
TPVE
Q16331
Q16041
RECOVERY
USL
UEH
D16335
NUEL
Q16051
Q16339
Q16335
D16253
IC16191
Q16102
LED(G)
Q16104
UEH
VE Gen.
DRIVER
IC16251
TPSS1
ERROR DET
IC16241
NUEL UML
IC16303
UEH
UMH
BUFFER
USL
D16255
NAND GATE
USH
Q16280
(LED:8TIMES)
(LED:8TIMES)
ERROR DET
D16280
D16282
P11
Q507
Vsus
Vsus CONTROL
1
Vsus
Q527
CONT DET
P2
Vda+75V
Vda CONTROL
1
Q555
P+15V
P12
1
F+15V
Vlow OVER
Vlow
2
CONT
VOLTAGE
J503
4
Vlow
8
DET
10
IC510
P25
Vlow_ON/OFF
Vlow_DET
1
Vsus_ON/OFF
+5V
2
Vsus_DET
5
15V_ON/OFF
6
POWER SOS
9
(LED:4TIMES)
(LED:4TIMES)
IC501
12
PANEL MAIN ON
11
POWER MICOM
VDATA_DET
13
ALL OFF
STB5V_
TV SUB ON
RESET
ON/OFF
IC502
RESET
Q537
+5V(STB)
SCAN CONTROL
P6
7
9
1
3
P7
1
2 10
5
6
8
A7
A7
PLASMA PANEL
PANEL DRIVER
CB1
CB2
CB3
SS
SS
21
02
1
1
2
2
BUFFER
IC17101,02
7
7
SS
2
13
1
52
C11
1
2
3
16
49
SS
A31
C1
DATA DRIVER (RIGHT)
54
1
2
13
PLASMA PANEL
PANEL DRIVER
SS
PANEL SUSTAIN
55
ELECTRODE
1
CB6
CB7
CB8
2
13
SS
1
2
13
57
C10
C20
SS
SS
Vda
20
22
03
1
1
Vda
14
2
2
BUFFER
BUFFER
7
7
IC17203
IC17201,02
C21
15
55
66
67
68
1
A32
C2 DATA DRIVER (CENTER)
SS11
Vsus
SC
SCAN DRIVE
SC2
Vsus
IC16788,89
P2
SC2
TPVSUS
TPVSET
Vsus
1
VSET GEN.
SHUNT REG
SS12
Vda
Vda
CMH
Q16401-03
+15V(P)
IC16501
MAIN SW1
VSUS Gen.
MAIN SW2
DRIVER
Q16601
Q16421
Q16604
Q16422
A25
IC16521
CML
CSH
Q16441
+15V(P)
ENERGY
RECOVERY
Q16451
+15V(P)
CSL
IC16752
+5V(P)
CPH1
VSET SEPA
CPH2
+5V(P)
DRIVER
+5V(STB)
Q16621-23
+15V(P)
SOS4_PS
PANEL
MAIN ON
IC16472
IC16791
VDA_DET
AND GATE
DC/DC
IC16581
CONVERTER
ERROR DET
D16583
PC16710
LED(G)
PHOTO COUPLER
PC16705
SC
A20
PHOTO COUPLER
20
+5V(P)
30
IC16561,62
CML
CPH1
SIU
+15V(P)
3
CMH
CPH2
SID
BUFFER
+15V(P)
2
CSH
CEL
OC2
CSL
CLK
TPSOS6
+15V(P)
1
SOS6_SC1
16
D16473
D16791
D16585
PC16480
SOS7_SC2
15
D16480
(LED:6TIMES)
(LED:6TIMES)
SCAN
PHOTO COUPLER
CONTROL
VOLTAGE
DROP
Q16876
D16871
D16820
D16821
D16873
Vscn
ERROR DET
ERROR DET
MAIN_STOP
VSCN
TPSOS7
Q16875,79
D16718
VSET
VSET
D16717
ERROR DET
15V_F
(LED:7TIMES)
(LED:7TIMES)
33
CB4
CB5
C10
C20
1
Vda
7
Vda
PLASMA PANEL
PANEL DRIVER
CB
CB
CB9
10
11
IC17302-04
+5V(P)
55
1
+5V(P)
54
2
VIDEO DATA
BUFFER
CONTROL DATA
BUFFER
Vda
1
55
Vda
IC17301
6
50
SUSTAIN CONTROL
SOS8_SS
51
5
C22
C32
C3
DATA DRIVER (LEFT)
FOR
SC30
FACTORY
USE
SU
SCAN OUT (UPPER)
Q16641-45
VF_GND
IC14901-03
CEL
SC
SU
41
41
15
15
Q16661
VAD SEPA
VSCN-F
6
6
DRIVER
CEL
Vfo
IC14904-06
1
1
IC16772
IC16786,87
TPVSCN
TPSC1
SU1-SU4
VSCN
GEN.
PLASMA PANEL
16V-F
PANEL SCAN
IC16784
TPVAD
ELECTRODES
D16721
VAD
(15V_F)
GEN.
SD1-SD4
IC16724
IC14951-53
F_5V_A
+5V
(SC1)
IC16725
SC
SD
D16725
42
42
F_5V_B
+5V
7
7
(SC2)
18
18
Vfo
IC14954-56
20
20
9
9
2
2
SCNR_PRO
SC
SD
5V
5V
46
46
SIU
1
1
IC14961-63
SID
OC2
CLK
SD
SCAN OUT (LOWER)
TH-50PE8U
Block Diagram (5/5)
C33
SS23
1
Vda
2
Vda
+5V(P)
12
SUSTAIN
CONTROL
5
SOS8_SS
SCAN
DRIVER
SCAN
DRIVER
SU
11
SD
11
SCAN
DRIVER
SCAN
DRIVER
BUFFER
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