Panasonic TH-50PX80UA Service Manual page 33

9.5. Block Diagram (5/5)
SS SUSTAIN DRIVE
SS
P11
11
Vsus 1
SS
34
1
SHORT JUMPER
3
SS
P12
12
MAIN SW1 8
MAIN SW2 10
+15V(P) 4
Vda 1
Vda
2
SS
C33 TPVDA
23
Vda 1
Vda 2
SOS8_SS 5
+5V(P) 12
SUSTAIN CONTROL SUSTAIN CONTROL
P POWER SUPPLY
HOT HOT COLD COLD
T404 D540
D531
MAIN
T401
POWER
PFC
CONT.
D536
IC406
IC520
PFC CONTROL
Vlow
D401
CONTROL
T402
RECTIFIER
L404,5
IC401
FILTER
PHOTO COUPLER PFC_ON/OFF
RL402
MAIN RELAY(H)
RUSH RELAY(H)
RL401
+5V
RL403
L410
D404
T410 D511
FILTER RECTIFIER
F403
STB
T630mAL 250V
POWER
IC409
CONT.
D509
F402 F401
T8AH 250V T8AH 250V
HOT HOT COLD COLD
1 4 P9
NEUTRAL LIVE
AC CORD
TH-50PX80UA
Block Diagram (5/5)
TPVSUS
IC16131 UMH IC16301
IPD
Q16001,2
VSUS Gen. IC16302
DRIVER
D16321
TPVE2
Q16021,2
UML TRANS VE2
T16301A
IC16151
NUEL
USH
ENERGY TPVE Q16331
Q16041
RECOVERY
USL
UEH
D16335 NUEL
Q16051 Q16339 Q16335
D16253
IC16191
Q16102
LED(G)
Q16104
UEH
VE Gen.
DRIVER
IC16251
TPSS1
ERROR DET
IC16241
NUEL UML
IC16303
UEH UMH
BUFFER
USL
D16255
NAND GATE
USH
Q16280
(LED:8TIMES) (LED:8TIMES)
ERROR DET
D16280 D16282
P11
Q507
Vsus
Vsus CONTROL 1
Vsus
Q527 CONT DET P2
Vda+75V
Vda CONTROL
1
Q555
P+15V
P12
1
F+15V
Vlow OVER
Vlow
2
CONT VOLTAGE
J503
4
Vlow
8
DET
10
IC510
P25
Vlow_ON/OFF Vlow_DET
1
Vsus_ON/OFF +5V 2
Vsus_DET 5
15V_ON/OFF
6
POWER SOS 9
(LED:4TIMES) (LED:4TIMES)
IC501
12
PANEL MAIN ON 11
POWER MICOM
VDATA_DET 13
ALL OFF
STB5V_ TV SUB ON
RESET ON/OFF
IC502
RESET
Q537
+5V(STB)
SCAN CONTROL
P6 7 9 1 3 P7 1 2 10 5 6 8
A7 A7
PLASMA PANEL PANEL DRIVER
CB1 CB2 CB3
SS SS
21 02
1 1
2 2
IC17101,02
7 7
SS
2 13 1
52
C11
1 2 3 16 49
SS
A31 C1 DATA DRIVER (RIGHT)
54
1
2
13
PLASMA PANEL
PANEL DRIVER
SS PANEL SUSTAIN
55
ELECTRODE
1
CB6 CB7 CB8
2
13
SS
1 2 13
57 C10 C20
SS SS
Vda 20
22 03
1 1 Vda 14
2 2 BUFFER
BUFFER
7 7
IC17203
IC17201,02
C21 15 55 66 67 68 1
A32
C2 DATA DRIVER (CENTER)
SS11
Vsus SC SCAN DRIVE
SC2
Vsus
IC16788,89
P2 SC2 TPVSUS
Vsus 1 VSET GEN.
SHUNT REG
SS12
Vda
Vda CMH
Q16401-03
+15V(P)
IC16501
MAIN SW1
VSUS Gen.
MAIN SW2
DRIVER
Q16601
Q16421
Q16604
Q16422
A25 IC16521 CML
CSH Q16441
+15V(P) ENERGY
RECOVERY Q16451
+15V(P) CSL IC16752
+5V(P) CPH1
VSET SEPA
CPH2
+5V(P)
DRIVER
+5V(STB)
Q16621-23
+15V(P)
SOS4_PS
PANEL
MAIN ON IC16472 IC16791
VDA_DET
AND GATE DC/DC
IC16581 CONVERTER
ERROR DET
D16583
PC16710
LED(G)
PHOTO COUPLER
PC16705
SC
A20 PHOTO COUPLER
20
+5V(P) 30 IC16561,62
CML CPH1 SIU
+15V(P) 3
CMH CPH2 SID
BUFFER
+15V(P) 2 CSH CEL OC2
CSL CLK
TPSOS6
+15V(P) 1
SOS6_SC1 16
D16473
D16791
D16585
PC16480
SOS7_SC2 15
D16480
(LED:6TIMES) (LED:6TIMES)
SCAN PHOTO COUPLER
CONTROL
VOLTAGE
DROP Q16876 D16871
D16820 D16821 D16873
Vscn
ERROR DET
ERROR DET
MAIN_STOP
VSCN TPSOS7
Q16875,79
D16718
VSET VSET D16717
ERROR DET
15V_F
(LED:7TIMES) (LED:7TIMES)
33
CB4 CB5
C10 C20
1 Vda
7 Vda
PLASMA PANEL PANEL DRIVER
CB CB
CB9
10 11
IC17302-04
+5V(P)
55 1
+5V(P)
54 2
VIDEO DATA
BUFFER
CONTROL DATA
BUFFER
Vda
1 55
Vda IC17301
6 50
SUSTAIN CONTROL
SOS8_SS
51 5
C22 C32
C3 DATA DRIVER (LEFT)
FOR
SC30
FACTORY
USE
TPVSET
SU SCAN OUT (UPPER)
Q16641-45 VF_GND
CEL
SC SU
41 41
15 15
Q16661
VAD SEPA VSCN-F
6 6
DRIVER
CEL Vfo
1 1
IC16772
IC16786,87
TPVSCN TPSC1 SU1-SU4
VSCN
GEN.
PLASMA PANEL
16V-F
PANEL SCAN
IC16784
TPVAD ELECTRODES
D16721
VAD
(15V_F)
GEN.
SD1-SD4
IC16724
F_5V_A
+5V
(SC1)
IC16725 SC SD
D16725
42 42
F_5V_B
+5V
7 7
(SC2)
18 18
Vfo
20 20
9 9
2 2 SCNR_PRO
SC SD
5V 5V
46 46
SIU 1 1
SID
OC2
CLK
SD SCAN OUT (LOWER)
TH-50PX80UA
Block Diagram (5/5)
C33 SS23
1 Vda
2 Vda
+5V(P)
12
SUSTAIN
CONTROL
5 SOS8_SS
IC14901-03
SCAN
DRIVER
SCAN
DRIVER
IC14904-06
SU
11
SD
11
IC14951-53
SCAN
DRIVER
SCAN
DRIVER
IC14954-56
BUFFER
IC14961-63