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Panasonic Manuals
Plasma TV
TX-P50S20B
Service manual
Block (4/5) Diagram - Panasonic TX-P50S20B Service Manual
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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11.5. Block (4/5) Diagram
P
POWER SUPPLY
HOT
HOT
COLD
COLD
Q201,Q202
Q601,04,06
L603
F201
T201
RESONANCE
5A 250V
VDET
IC601
VGH
VGL
Q602,Q603
IC201
PFC
OCP
RESONANCE
D351
CONTROL
VC1
FB
PC201
IC202
BIAS
PHOTO COUPLER
COMPARATOR
Q203
Q503
PC202
BIAS_MAIN
PHOTO COUPLER
Q504
PC501
BIAS_PFC
PHOTO COUPLER
K604
K602
D603
D609
RECTIFIER
RECTIFIER
RF601
NEUTRAL
K605
LIVE
T501
2A 250V
BIAS 5V
F501
D504
D552
D501
IC501
RECTIFIER
D551
STB
FILTER
L601,L602
CONTROL
PC502
PHOTO COUPLER
F602
F601
Q502,05,06
10A 250V
10A 250V
PC504
AC DET
PHOTO COUPLER
LIVE
NEUTRAL
HOT
HOT
COLD
COLD
P9
2
1
AC CORD
D253
D254
D401
D403
Vsus
Q402
Vda
Vda
DET
VR251
DET
Q403
15V
Q404
L401
D402
IC403
Q405
Q406
Vda
IC251
DET
CONTROL
Vsus
VR401
ERROR DET
Q407
FET
Vda
DRIVER
Q408
Q251,Q252
Q401
L402
CONT
VSET1/2
VSET1/VSET2
BIAS_MAIN
15V_IN
BIAS_PFC
IC701
Vda_Vo
Vsus_Vo
POWER MICOM
15V_OUT DET
PANEL_MAIN_ON
Q701
MAIN RELAY_ON
(LED:4TIMES)
(LED:4TIMES)
SOS4_PS
ALL OFF
TV SUB ON
Q702
S0
S1
Q551
F+15V
Q557
STB+5V
IC551
STB
MAIN SW2
ERROR DET
MAIN SW1
P34
P7
1
3
OPEN
A7
37
P2
SC2
Vsus
1
Vsus
P11
SS11
Vda
1
Vsus
4
P+15V
Q355
L351
P+15V
C35
P35
1
Vda
2
Vda
P+15V
IC352
Q706
D705
NO USE
P25
1
P+15V
2
P+15V
5
STB+5V
7
S0
8
S1
9
PANEL_MAIN_ON
10
SOS4_PS
P6
A6
1
SOUND+15V
2
SOUND+15V
P+15V
3
7
F+15V
9
F+15V
12
14
1
3
4
5
11
7
8
9
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