Panasonic TH-37PX80B Service Manual page 33

9.7. Block (7 of 7) Diagram (37 inch)
SS
S POWER SWITCH
P11 SS
11
Vsus
1
SS
S1
34
SW2500
STB PS
ON 1 1
POWER
12V
SWITCH
3 3
SS
P12
12
12V
8
STB_PS 10
+15V(P) 4
Vda 1
Vda 2
SS
C23 TPVDA
23
Vda 1
Vda 2
SOS8_SS 5
+5V(P) 12
SUSTAIN CONTROL SUSTAIN CONTROL
P POWER SUPPLY
HOT COLD
D540
T404
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
RL401
RL403
L410
D404
T410 D511
FILTER RECTIFIER
F403
T630mAL 250V STB
POWER
IC409
CONT.
D509
F402 F401
T8AH 250V T8AH 250V
HOT COLD
1 4 P9
AC CORD
TH-37PV80P, PX80B/E
Block Diagram (7/7)
SUSTAIN DRIVE
TPVSUS
IC16131 UMH IC16301
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
UEH
VE Gen.
DRIVER
IC16251
ERROR DET
IC16303
D16253
IC16241
LED(G)
NAND GATE
D16255
BUFFER
Q16280
(LED:8TIMES)
ERROR DET
D16280
Q507
Vsus
Vsus CONTROL
Vsus
Q527 CONT DET
Vda+75V
Vda CONTROL
Q555
P+15V
F+15V
VlOW Vlow OVER
VOLTAGE
CONT
J503
VlOW
DET
IC510
Vlow_ON/OFF Vlow_DET
Vsus_ON/OFF +5V
Vsus_DET
MAIN RELAY(H) 15V_ON/OFF
POWER SOS
(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)
P6 7 9 1 3 P7 1 2 10 5 6 8
A7 A7
SS
53 PANEL DRIVER
1
TPVE2 2
13 CB1 CB2
BUFFER
IC17101,02
PLASMA PANEL
PANEL SUSTAIN
ELECTRODE
Q16102
C11 1 2 3 42 16
SS
TPSS1
56
A31
1
2
13
D16282
SS11
P11
1 Vsus
SC SCAN DRIVE
SC2
P2
1 Vsus
P2 SC2 TPVSUS
Vsus 1
P12 SS12
1 Vda
Vda CMH
2
Q16401,04
4 +15V(P)
IC16501
8 +12V
VSUS Gen.
10 STB_PS
DRIVER
Q16421
Q16422
P25 A25 IC16521 CML
CSH
1 +15V(P) ENERGY
RECOVERY
Q16451
2 +15V(P) CSL
5 +5V(P)
6 +5V(P)
9 +5V(STB)
+15V(P)
SOS4_PS
12
PANEL
11
MAIN ON IC16791
IC16561,62
13 VDA_DET
DC/DC
BUFFER
CONVERTER
IC16472
AND GATE
SC
A20
20 IC16581
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) D16480
SCAN
SCAN CONTROL
PHOTO COUPLER
CONTROL
VOLTAGE
DROP Q16876
D16820
ERROR DET
ERROR DET
5V_F_A
VSCN TPSOS7
Q16875,79
D16718
16V_F
ERROR DET
VSET
(LED:7TIMES)
33
PLASMA PANEL
PANEL DRIVER
CB3 CB4 CB5 CB6 CB7
C10 C20
Vda
1 20
Vda
7 14
BUFFER
IC17201,02
C21 55 29 66 67 68
C1 DATA DRIVER (RIGHT) A32
IC16788,89
TPVSET
VSET OUT
ERROR DET
VF_GND
Q16642,43,45
Q16601
CEL
Q16604
Q16441
Q16661
VAD SEPA
IC16752
DRIVER
CPH CEL
VSET SEPA
CPH2 IC16772
DRIVER
Q16622,23
IC16786,87
TPVSCN
VSCN
16V-F
GEN.
D14721
IC16784
(15V_F)
TPVAD
VAD
GEN.
IC16724
F_5V_A
+5V
(SC1)
IC16725
D16725
F_5V_B
+5V
(SC2)
5V-F_A
D16871
D16821 D16873
Vscn
VSET D16717
CB8
12 +5V(P)
1 Vda
2 Vda
SOS8_SS
5
SUSTAIN CONTROL
BUFFER
C23
SS23
IC17203
1
C2 DATA DRIVER (LEFT)
FOR
SC30
FACTORY
USE
SM SCAN OUT
IC14901-03
SC SM
41 41
15 15 SCAN
VSCN-F
DRIVER
6 6
Vfo
1 1
SCAN
DRIVER
IC14904-06
TPSC1
IC14951-52
SCAN
DRIVER
SC SM
42 42
7 7 SCAN
DRIVER
17 17
Vfo
IC14953-55
19 19
9 9
SC SM
5V 5V
46 46
BUFFER
1 1
IC14961-63
SCAN CONTROL
SM1-SM6
PLASMA PANEL
PANEL SCAN
ELECTRODES
TH-37PV80P, PX80B/E
Block Diagram (7/7)