Block (4/4) Diagram - Panasonic TX-PR42S20 Service Manual

11.5. Block (4/4) Diagram

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