Panasonic TC-P42U1 Service Manual page 33

9.5. Block (4/4) Diagram
SS SUSTAIN DRIVE
SS
P11 TPVSUS
11
Vsus 1
+15V 4
Q16001
IC16131 UMH
Q16002
D16052
VSUS Gen.
DRIVER
D16041
Q16022
UML
Q16023
IC16151
USH Q16041
ENERGY
RECOVERY
USL
Q16051
D16253
IC16251
LED(G)
ERROR DET
IC16241
UEH USL
D16255
BUFFER UML USH
SS UMH
C23
33
TPSOS8
+5V(P) 1
SOS8_SS 7
(LED:8TIMES) (LED:8TIMES)
SUSTAIN CONTROL SUSTAIN CONTROL
KEY SWITCH
CB1 CB2
SS
61
IPD CIRCUIT 1
2
IC16304
TPVE 13
VE GEN.
PLASMA PANEL
PC16301
PANEL SUSTAIN
PHOTO
ELECTRODE
COUPLER
SS
IC16312 64
1
SHUNT
REG.
2
13
PC16191 Q16101
Q16102
UEH SS
VE Gen.
1 2 13
58
DRIVER
SS SS
TPSS1
21 24
7 7
1 1
6 6
Q16280
+15V(P)
ERROR DET
D16280 D16282 +15V(P)
FPC DET SS2 SUSTAIN
CONNECTOR
(LOWER)
SOS6_SC1
SOS7_SC2
SCAN CONTROL
GK KEY SWITCH
GK1
KEYSCAN1
1
C1 DATA DRIVER (RIGHT)
A31
C14 1 C11 68 59 9 3 1
IC17101
BUFFER
CB3 CB4 CB5 CB6
CB7 CB8
PANEL DRIVER
SC SCAN DRIVE
P2 SC2 TPVSUS
Vsus 1
TPVSET
IC16791
DC/DC 16V-F
CONVERTER
Q16604
PC16601
CPH2
IC16771 PHOTO COUPLER
Vad+5V Q16607
PC16603
CERS
PC16461
PHOTO COUPLER
PHOTO COUPLER
PC16684
CPH1
IC16464,65 PHOTO COUPLER
Q16601
INVERTER
Q16401
CMH
IC16773 Q16402
INVERTER VOH
D16461
IC16501
D16462
CSH/CMH GATE
PC16685
D16482
DRIVE CIRCUIT
PHOTO CIS
Q16441 COUPLER
CSH
Q16621
IC16521 Q16451
Q16622
CSL
CSL/CML GATE VOL
DRIVE CIRCUIT
CML
Q16421
Q16422
D16583
IC16581
LED(G)
SC ERROR DET
A33
20
IC16691 IC16561,62
CML CPH1 SIU
7
CMH CPH2 OC1
NAND GATE BUFFER
6 CSH CERS OC2
CSL CEL CLK
+5V(P) 35
IC16563 SEL
TPSOS6
INVERTER CIS CRC1 CRC2
22
(LED:6TIMES) (LED:6TIMES)
21
UHZ 19
IC16490,91
SCAN
D16493
CONTROL D16920 Q16490
SEPA PROTECT CERS
CIRCUIT
UHZ
VOLTAGE
D16473
DROP D16791
15V_F
PC16480
ERROR DET
D16480
PHOTO COUPLER
MAIN_STOP
SCNR_PRO
VSCN TPSOS7
Q16876
D16820 D16821 D16871
15V_F Vscn
ERROR DET
(LED:7TIMES) (LED:7TIMES)
A32
C21 66
C10 C20
+5V(P)
19 2
BUFFER
+5V(P)
18 3
IC17201
Vda
5 16
Vda
1 20
CB CB CB
CB9
10 11 12
PLASMA PANEL PANEL DRIVER
33
FOR
SC50 FACTORY
USE
VSET GEN.
SHUNT REG
IPD CIRCUIT
IC16788,89
VF_GND
IC16661
Q16661 SU SCAN OUT (UPPER)
COMPARATOR
Q16608
CRC1
D16901
CRC2
SC SU
IC16692
41 41
IC16920
SHUNT 8 8
VSCN-F
REG.
4 4
COMPARATOR Vfo
VR16601
2 2
(INIT-F)
SU1-SU4
Q16818
IC16784
CEL
TPVAD
IPD CIRCUIT
PLASMA PANEL
VAD
PANEL SCAN
GEN.
ELECTRODES
VR16600
(VAD)
IC16786,87
SD1-SD4
IPD CIRCUIT
TPVSCN TPSC1
VSCN GEN.
SHUNT REG
D16859
D16860
D16721 IC16724 SC SD
VR16841
(15V_F)
42 42
(VSCN) F_5V_A
+5V
3 3
(SC1)
8 8
D16725
Vfo
IC16725
9 9
F_5V_B
+5V 5 5
VHIZ
(SC2)
6 6
VSET23
IC16564 4 4
IC16801
2 2
IC16792
IC16793
SC SD
VSET23 5V
CML 5V
46 46
VHIZ GEN. GEN.
CSL
1 1
SIU
OC1
OC2
CLK
SD SCAN OUT (LOWER)
SEL
C2 DATA DRIVER (LEFT)
24 6 3 1
C23 SS33
1 +5V(P)
SOS8_SS
7
BUFFER SUSTAIN CONTROL
IC17202
C25 P35
1 Vda
2 Vda
CB CB CB
13 14 15
IC14601-04
SCAN
DRIVER
SCAN
DRIVER
IC14605-08
SU
11
SD
11
IC14801-04
SCAN
DRIVER
SCAN
DRIVER
IC14805-08
VHIZ
VSET23
SCNR_PRO
LOGIC IC
IC14901-05