Panasonic TH-42PH20E Service Manual ▷ View online
TH-42PH20E
37
10.5. Block (4 of 5) Diagram
NEED
HOLDER
(LED:4TIMES)
COLD
COLD
HOT
HOT
NEED
HOLDER
NEED
HOLDER
+
NEED
HOLDER
NEED
HOLDER
F100
F200
F101
F_15V_ON
Vda
IC100
7
4
PHOTO COUPLER
3
NEUTRAL
P6
10A 250V
P9
STB
ERROR DET
D701
SOUND+15V
Vda
ERROR DET
1
IC401
10
SS11
+
D501
X600
7
Vda_IN
IC500
ALL_OFF
9
-
MAIN SW_ON
11
3
3
DRIVE
Vsus_IN
F+15V
+
8
PFC_ON
-
9
RECTIFIER
MAIN SW1
IC400
12
AC CORD
TV SUB ON
MAIN SW2
CONTROL
ON/OFF
1
Q801
RL102
9
PR900
15V
DET
4A 250V
2
ALL_OFF
1
IC902
Q901
T400
P34
Q701
SOUND+15V
4MHz
DISCHARGE
P7
Vda
CONTROL
Q800
P+15V
DET
8
D703
T100
D702
Q703
1
POWER SOS
5
D903
T900
L100,L101
STB5V_ ON/OFF
Q714
Vda
ERROR DET
A25
RUSH RELAY_ON
PANEL_MAIN_ON
IC904
Q715
MAIN RELAY_ON
AC FAIL
DISCHARGE
D904
IC601
F+15V
R923
STB
PHOTO COUPLER
7
1
D100
DET
RL100
IC603
D800
DRIVE
PR101
Q400-Q402
3
POWER SOS
F+15V
ERROR DET
PFC_ON
5A 250V
PHOTO COUPLER
Q103
STB+5V
T200
Q104
RST
IC800
CONTROL
R141
1
D200
IC200
D108
STB5V_IN
RESET
VSUS_CON_S1
SN2
PFC
D109
P
P11
RL101
POWER SUPPLY
AC DET
14
PANEL MAIN ON
XIN
CONTROL
STB5+V
P+15V
RESONANCE
Vda
P25
4
Vda
XOUT
STB
VSUS_CON_S0
PHOTO COUPLER
Q805
D708
IC202
T300
T301
Q807
IC201
Q707
Vsus
Vsus
ERROR DET
PHOTO COUPLER
IC701
Q609
RECTIFIER
LIVE
5
NEUTRAL
F_STB_ON
IC903
Q706
Q602
LIVE
Vsus Adj
Q300-Q303
IC901
Q709-Q712
IC602
Q600
POWER MICOM
Vsus
REFERENCE
2
IC700
Vsus
PFC
1
Q505
VR251
A9
P2
Q705
2
CONTROL
A10
D600
630mA 250V
Q101
P+15V
FILTER
Vsus
10A 250V
Vsus
C25
P+15V
MULTI
CONTROL
V_RESO_ON
1
P35
IC600
+5V
NO USE
(LED:4TIMES)
COLD
COLD
HOT
HOT
TH-42PH20E
38
10.6. Block (5 of 5) Diagram
(LED:7TIMES)
(LED:6TIMES)
(LED:8TIMES)
SS
53A
SS
55A
D16920
D16721
D16280
D16821
TPVE
TPVAD
D16822
TPVSCN
TPSOS6
TPSOS7
D16480
D16493
D16473
D16820
D16901
L16303
D16490
D16282
TPVSUS
TPSC1
D16583
TPSS1
D16728
TPVSUS
D16618
UEH
C25
SCAN CONTROL
2
IC16241
REG.
DRIVER
PC16722,23
P+3.3V
P+5V
SN
4
SN3
SHUNT
IC16773
CRC2
Vda
Q16607
UMH
CML
VE GEN.
SS
DRIVER
Vsus
CB4
CPH1
IC16471
VE Gen.
IC16786,87
1
P+3.3V
CONTROL DATA
PLASMA PANEL
PC16896,97
Q16401
PANEL SUSTAIN
D16481
SUSTAIN CONTROL
IC17202
IC16784,85
SOS8_SS
1
IC16563
A21
Q16876
SOS8_SS
PC16603
CB7
ERROR DET
UML
CMH
ERROR DET
P+15V
Q16601
Vda
3
25
1
C20
DRIVER
CERS
P+3.3V
P+15V
SS3
1
BUFFER
F16V GEN.
INVERTER
1
P+3.3V
SOS7_SC2
30
PC16685
SS
23
MID
Q16451
53
P+15V
SEPA PROTECT
2
D16316
UEH
CEL
SOS6_SC1
IC16312
30
MID
(16V_F)
Q16421
ELECTRODE
SHUNT REG
COUPLER
CSH/CMH GATE
DRIVE CIRCUIT
16
SCAN
2
Q16402
CPH1
P35
SN2
COMPARATOR
15
PHOTO
VOL
1
(SC1)
+5V
19
CLK
TP59,TP60
TP61,TP62
ELECTRODES
Q16621
PHOTO
3
Vfo
Q16001
IC16692
IC14901-04
SHUNT REG
REG.
CRC1
C11
SCAN
CONTROL
BUFFER
Q16672
SOS8_SS
SIU
CIRCUIT
CIS
VAD GEN.
BUFFER
IC16304
A33
CB1
IC16581
SCNR_PRO
PHOTO COUPLER
CSL
IC16521
IC16771
Q16661
CB2
3
SS
11
16
IC16661
4
PANEL DRIVER
1
UHZ
5
IPD CIRCUIT
P+5V
3
3
IC16724
5
IC17101
1
SN3
Q16490
Vad+5V
DRIVER
SS3
P2
PC16480
6
DATA DRIVER (LEFT)
SCNR_PRO
VFG
IC17203
1
SUSTAIN CONTROL
P+5V
ERROR DET
SS23
CRC2
COUPLER
CONTROL DATA
CSH
VSUS Gen.
PC16191
IC14961-63
C10
CMH
C2
VFG
A34
5V_F
COUPLER
18
PHOTO COUPLER
CSL
SUSTAIN CONTROL
VIDEO DATA
Vda
SUSTAIN CONTROL
LOGIC IC
P+5V
PLASMA PANEL
13
C23
IPD CIRCUIT
IC16561,62
VSCN GEN.
VRH
PHOTO
COUPLER
P+5V
IC16501
Q16818
OC2
Q16101
IC14951-44
BUFFER
CSH
Vsus
BUFFER
SCAN
MID
C1
2
5
Q16002
OC2
CML
SN11-SN18
SIU
CLK
CRC1
2
SHUNT
C23
PANEL SCAN
PC16684
VRL
CEL
P+15V
UML
CB6
D16859
T16471
IC16490,91
Vda
MID
UHZ
CERS
VIDEO DATA
CMH
Q16022
IPD CIRCUIT
FPC DET
UMH
13
PC16461
Q16021
D16871
C21
VSCN-F
D16461
OC1
5
PANEL DRIVER
P+3.3V
CSL/CML GATE
DRIVE CIRCUIT
INVERTER
MID
Q16280
7
PHOTO
Q16885
IC16131
F16V
CB5
CSH
P11
PC16192
Vfo
1
Vscn
20
13
CB8
SCAN DRIVE
1
P+3.3V
PLASMA PANEL
Q16102
OC1
CIS
MID
5
Q16441
SHUNT
REG
F16V
CB3
LED(G)
DATA DRIVER (RIGHT)
SUSTAIN DRIVE
SN
20
(LED:7TIMES)
(LED:6TIMES)
(LED:8TIMES)
39
TH-42PH20E
11 Wiring Connection Diagram
11.1. Wiring (1)
40
TH-42PH20E
11.2. Wiring (2)
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