Panasonic TX-P42U20B / TX-P42U20E / TX-PR42U20 Service Manual ▷ View online
37
11.5. Block (4/4) Diagram
(LED:6TIMES)
(LED:8TIMES)
(LED:7TIMES)
D16901
D16480
TPVAD
TPSC1
TPVSCN
D16493
D16820
TPSOS7
D16721
TPVSUS
D16821
D16920
TPSOS6
D16583
TPSS1
TPVSUS
D16255
TPVE
D16253
TPSOS8
D16280
D16282
D16618
D16490
D16728
D16822
D16475
D16473
D16791
D16476
L16303
CB1
IC17101
C23
CB7
SOS8_SS
CB2
BUFFER
CB4
Vda
P35
CB
12
CB
11
SS33
A31
1
C25
C21
2
P+5V
CB3
CB
10
SOS8_SS
6
CB6
CB8
1
CB5
7
CB
14
CB
13
A32
CB
15
CB9
16
1
20
C10
5
C11
C20
21
66
Vda
1
P+5V
P+3.3V
3
P+3.3V
1
3
P+3.3V
IC17202
VIDEO DATA
CONTROL DATA
PANEL DRIVER
PANEL DRIVER
PLASMA PANEL
CONTROL DATA
VIDEO DATA
SUSTAIN CONTROL
BUFFER
SUSTAIN CONTROL
DATA DRIVER (RIGHT)
C1
C2 DATA DRIVER (LEFT)
59
6
2
18
3
19
BUFFER
IC17201
CPH1
(SC1)
CEL
4
6
21
SM
42
IC16501
Q16607
IC14601-03
IC16581
Q16441
P2
PC16685
Vscn
P+15V
D16872
VSCN-F
VHIZ
SC
42
SC
20
Q16490
CSL
P+15V
CRC1
8
CRC2
SEL
CPH1 SIU
OC1
SC
46
2
D16859
Q16818
1
UHZ
IC14804-06
Q16601
CML
CERS
IC16771
CMH
8
Q16451
Vfo
D16482
Q16661
6
SC
41
1
SM
46
IC16490,91
IC14901,02,04
2
Q16608
CLK
A20
8
LED(G)
VHIZ GEN.
SOS7_SC2
Q16402
Q16621
IC16563
CLK
OC2
VHIZ
IC16692
IC14801-03
IC16561,62
2
PC16461
CML
OC2
CSL
Q16876
CIS
+5V
P+5V
PC16480
CSH
D16461
CSH
SCNR_PRO
Vsus
VOL
Vad+5V
Vfo
Q16422
18
CRC2
35
20
SM
41
SM1-SM8
IC16786,87
SC2
CERS
IC14604-06
IC16521
SIU
SOS6_SC1
CMH
7
Q16401
Q16421
IC16661
7
4
UHZ
CRC1
OC1
IC16920
IC16724
CIS
PC16684
PC16603
(16V_F)
5V_F
SEL
SCAN DRIVE
SC
SCAN OUT
SM
UMH
SS
11
Q16022
13
Q16001
IC16241
USL
SS
64
UML
P11
PC16301
D16051
7
D16041
Q16051
UML
SS
33
Q16023
1
P+15V
P+5V
13
Q16102
1
SS
61
UMH
1
C23
2
1
Q16041
6
2
IC16304
USH
7
PC16191
SS
21
UEH
Q16002
USL
4
SOS8_SS
USH
IC16251
UEH
IC16131
Q16101
IC16312
LED(G)
1
IC16151
Vsus
SS SUSTAIN DRIVE
CONNECTOR
SUSTAIN
(LOWER)
SS2
6
1
SS
24
7
2
1
13
SS
58
SHUNT
VE GEN.
PHOTO
COUPLER
REG.
IPD CIRCUIT
PANEL SUSTAIN
PLASMA PANEL
ELECTRODE
ERROR DET
FPC DET
Q16280
DRIVER
VE Gen.
BUFFER
SUSTAIN CONTROL
SUSTAIN CONTROL
DRIVER
VSUS Gen.
RECOVERY
ENERGY
ERROR DET
PHOTO COUPLER
PHOTO COUPLER
CSH/CMH GATE
DRIVE CIRCUIT
CSL/CML GATE
DRIVE CIRCUIT
PHOTO
COUPLER
ERROR DET
SCAN
SCAN
DRIVER
DRIVER
PANEL SCAN
PLASMA PANEL
ELECTRODE
DRIVER
LOGIC IC
SCAN
DRIVER
SCAN
SHUNT
REG.
COMPARATOR
COMPARATOR
IPD CIRCUIT
SHUNT REG
VSCN GEN.
BUFFER
SCAN CONTROL
SCAN
CONTROL
INVERTER
CIRCUIT
SEPA PROTECT
ERROR DET
SC JIG
UML
P+3.3V
Vda
Vda
P+3.3V
IC16471
D16871
SHUNT REG
VAD GEN.
IC16784,85
IPD CIRCUIT
IC16792,93
T16471
SHUNT
REG
IC16773
INVERTER
Q16660
Q16647
IC16691
NAND
5
1
7
2
8
6
5
PHOTO
COUPLER
CEL
F16V
F16V GEN.
Q16885
CEL
F16V
SC
50
1
VFG
TP59,TP60
TP61,TP62
PHOTO
COUPLER
P+5V
P+15V
9
9
15V_F
Q16471
CHA
SCNR_PRO
CHA
2
CMH
CSH
VRH
VRL
MID
VFG
D16316
PC16896,97
PC16722,23
(LED:6TIMES)
(LED:8TIMES)
(LED:7TIMES)
38
39
12 Wiring Connection Diagram
12.1. Caution statement.
Caution:
Please confirm that all flexible cables are assembled correctly.
Also make sure that they are locked in the connectors.
Verify by giving the flexible cables a very slight pull.
Also make sure that they are locked in the connectors.
Verify by giving the flexible cables a very slight pull.
12.2. Wiring (1)
40
12.3. Wiring (2)
Click on the first or last page to see other TX-P42U20B / TX-P42U20E / TX-PR42U20 service manuals if exist.