Panasonic TH-42PX80U Service Manual page 6

9.5. Block Diagram (5/5)
SS
P11
11
Vsus
1
SS
34
STB_PS
1
12V
3
SS
P12
12
12V 8
STB_PS 10
+15V(P) 4
Vda 1
Vda 2
SS
C23
23
Vda 1
Vda 2
SOS8_SS 5
+5V(P) 12
SUSTAIN CONTROL SUSTAIN CONTROL
P POWER SUPPLY
HOT HOT COLD COLD
D540
T404
D531
MAIN
T401
POWER
PFC
CONT.
D536
IC406
PFC CONTROL
D401
T402
RECTIFIER
L404,5
IC401
FILTER
PHOTO COUPLER
RL402
RL401
RL403
L410
D404
T410
FILTER RECTIFIER
F403
STB
T630mAL 250V
IC409 POWER
CONT.
F402 F401
T8AH 250V T8AH 250V
HOT HOT
1 4 P9
AC CORD
TH-42PX80U
Block Diagram (5/5)
SS SUSTAIN DRIVE
TPVSUS
IC16301
IC16131 UMH
IPD
Q16001,2
VSUS Gen.
IC16302
DRIVER
D16321
Q16021,2
UML TRANS +15V
T16301A
IC16151
NUEL
USH
ENERGY TPVE Q16331
Q16041
RECOVERY
USL
UEH NUEL
Q16051
Q16339 Q16335
IC16191
VE Gen. UEH
DRIVER
IC16251
ERROR DET
IC16303
TPVDA D16253
IC16241
LED(G)
NAND GATE
D16255
BUFFER
Q16280
(LED:8TIMES) (LED:8TIMES)
ERROR DET
D16280
Q507
Vsus
Vsus CONTROL
Vsus
CONT DET
Q527
Vda+75V
Vda CONTROL
Q555
P+15V
FSTB +15V
Vlow OVER
VlOW
IC520 VOLTAGE
CONT
J503
Vlow
VlOW
CONTROL
DET
IC510
Vlow_ON/OFF Vlow_DET
PFC_ON/OFF
Vsus_ON/OFF +5V
Vsus_DET
MAIN RELAY(H) 15V_ON/OFF
POWER SOS
(LED:4TIMES) (LED:4TIMES)
IC501
PANEL MAIN ON
POWER MICOM
VDATA_DET
ALL OFF
RUSH RELAY(H)
STB5V_ TV SUB ON
+5V RESET ON/OFF
IC502
RESET
Q537
+5V(STB)
D511
D509
COLD COLD
P6 7 9 1 3 P7 1 2 10 5 6 8
A7 A7
SS
53A PANEL DRIVER
1
TPVE2 2
13 CB1 CB2 CB3
BUFFER IC17101,02
PLASMA PANEL
PANEL SUSTAIN
ELECTRODE
Q16102
C11
1 2 3 42 16
SS
TPSS1
56A
A31 C1
1
2
13
D16282
SS11
P11
1 Vsus SC SCAN DRIVE
SC2
P2
1 Vsus
IC16788,89
P2
SC2 TPVSUS
Vsus 1 VSET OUT
ERROR DET
P12 SS12
Vda
1
2 Vda CMH
Q16401,04
4 +15V(P)
IC16501
8 +12V
VSUS Gen.
10 STB_PS
DRIVER
Q16421
Q16422
P25 A25 IC16521 CML
CSH Q16441
1 +15V(P) ENERGY
RECOVERY
2 +15V(P) Q16451
CSL
5 +5V(P)
6 +5V(P)
9 +5V(STB)
+15V(P)
12 SOS4_PS
PANEL
11
MAIN ON
IC16791
IC16561,62
13 VDA_DET
DC/DC
BUFFER
CONVERTER
IC16472
AND GATE
SC
A20
IC16581
20
PC16710
+5V(P) 30
ERROR DET
PHOTO COUPLER
D16583
+15V(P) 3
LED(G)
+15V(P) 2
PC16705
TPSOS6
+15V(P) 1
PHOTO COUPLER
SOS6_SC1 16
D16585
SOS7_SC2 15
PC16480
(LED:6TIMES) (LED:6TIMES)
D16480
SCAN
SCAN CONTROL
CONTROL PHOTO COUPLER
VOLTAGE
DROP Q16876
D16820
Vscn
ERROR DET
ERROR DET
5V_F_A
VSCN TPSOS7
Q16875,79
D16718
16V_F VSET
ERROR DET
VSET
(LED:7TIMES) (LED:7TIMES)
33
PLASMA PANEL
PANEL DRIVER
CB4 CB5 CB6 CB7
C10 C20
Vda
1 20
Vda
7 14
BUFFER
IC17201,02
C21
55 29 66 67 68 1
DATA DRIVER (RIGHT) A32
TPVSET
Q16642,43,45 VF_GND
Q16601
CEL
Q16604
VAD SEPA Q16661 VSCN-F
IC16752
DRIVER
CPH CEL
VSET SEPA
CPH2 IC16772
DRIVER
Q16622,23
IC16786,87
TPVSCN TPSC1
VSCN
16V-F
GEN.
D14721
IC16784
(15V_F)
TPVAD
VAD
GEN.
IC16724
+5V F_5V_A
(SC1)
IC16725
D16725
F_5V_B
+5V
(SC2)
5V-F_A
D16871
D16821 D16873
SCAN CONTROL
D16717
CB8
12 +5V(P)
1 Vda
2 Vda
5 SOS8_SS
SUSTAIN CONTROL
BUFFER
C23 SS23
IC17203
C2 DATA DRIVER (LEFT)
FOR
SC30
FACTORY
USE
SU SCAN OUT (UPPER)
IC14901-03
SCAN
DRIVER
SC SU
41 41
SCAN
15 15
DRIVER
6 6
Vfo
IC14904-06
1 1
SU1B-SU4B
SU
11
PLASMA PANEL
PANEL SCAN
ELECTRODES
SD
11
SD1B-SD4B
IC14951-53
SCAN
DRIVER
SC SD
42 42
SCAN
7 7
DRIVER
17 17
Vfo
IC14954-56
19 19
9 9
SC SD
5V 5V
46 46
BUFFER
1 1
IC14961-63
SD SCAN OUT (LOWER)
TH-42PX80U
Block Diagram (5/5)