Panasonic TH-37PV8PA Service Manual page 33

9.7. Block (7/7) Diagram (37 inch)
S POWER SWITCH
SS
P11
11
Vsus 1
SS
S1
34
SW2500
ON 1 1
POWER
SWITCH 3 3
SS
P12
12
MAIN SW1 8
MAIN SW2 10
+15V(P) 4
Vda 1
Vda 2
SS
C23
23
Vda
1
Vda 2
SOS8_SS 5
+5V(P)
12
SUSTAIN CONTROL
POWER SUPPLY
P
HOT HOT COLD COLD
T404 D540
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
P9
1 4
NEUTRAL LIVE
AC CORD
TH-37PV8PA, PX8BA/EA
Block Diagram (7/7)
SS SUSTAIN DRIVE
TPVSUS
IC16131 UMH IC16301
IPD
Q16001,2
VSUS Gen.
IC16302
DRIVER
D16321
Q16021,2
UML
TRANS VE2
T16301
IC16151
USH
ENERGY TPVE
Q16041
RECOVERY
USL
NUEL NUEL
Q16051 Q16339 Q16331
D16253
PC16191
Q16101
LED(G)
Q16102
UEH
VE Gen.
DRIVER
UML
IC16251
TPSS1
ERROR DET
IC16241
TPVDA
NUEL UML
IC16303
UEH UMH
BUFFER
USL
D16255
INVERTER
USH
Q16280
(LED:8TIMES) (LED:8TIMES)
ERROR DET
D16280
SUSTAIN CONTROL
Q507
Vsus
Vsus CONTROL
Vsus
Q527 CONT DET
Vda+75V
Vda CONTROL
Q555
P+15V
F+15V
VlOW Vlow OVER
IC520 CONT VOLTAGE
J503
Vlow
VlOW
CONTROL
DET
IC510
Vlow_ON/OFF Vlow_DET
PFC_ON/OFF
+5V
Vsus_ON/OFF
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 P7
7 9 1 3 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
C11 1 2 3 42 16
SS
56A
A31 C1
DATA DRIVER (RIGHT)
1
2
13
D16282
SS11
P11 SC SCAN DRIVE
1 Vsus
P2
SC2 TPVSUS
SC2
P2
Vsus 1
1 Vsus
IC16791
16V-F
DC/DC
CONVERTER
P12 SS12
IC16771
1 Vda
IC16733
+5V
2 Vda
INVERTER
4 +15V(P)
8 MAIN SW1
PC16461
10 MAIN SW2
PC16684
PHOTO COUPLER
PHOTO COUPLER
A25 CMH
P25 IC16464,65
CML2 Q16401
1 +15V(P)
INVERTER Q16402
2 +15V(P)
IC16501
5 +5V(P)
CSH/CMH GATE
+5V(P)
6 DRIVE CIRCUIT
PC16685
Q16441
9 +5V(STB)
CSH PHOTO COUPLER
12 SOS4_PS
PANEL
11 Q16451
MAIN ON
IC16521
13 VDA_DET
CSL
CSL/CML GATE
DRIVE CIRCUIT
CML Q16421
Q16422
IC16561,62
SC BUFFER
D20
20
IC16581
+5V(P) 30
+15V(P) 3 ERROR DET
D16583
+15V(P) 2
LED(G)
TPSOS6
+15V(P) 1
SOS6_SC1 16
(LED:6TIMES) (LED:6TIMES)
SOS7_SC2 15
SCAN
SCAN CONTROL PC16480
CONTROL D16480
PHOTO COUPLER
VOLTAGE
DROP
Q16876
ERROR DET D16820
Vscn
ERROR DET
MAIN_STOP
VSCN
TPSOS7
Q16875,79
VSET D16718 VSET
ERROR DET
15V_F
(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
A32 C2
IC16788,89
TPVSET
VSET GEN.
SHUNT REG
Q16601
Q16604
CPH1
VF_GND
VSCN-F
Q16641
Vfo
CEL
CPH2
VAD SEPA CEL Q16661
DRIVER
Q16621
Q16622
IC16772
SCSU
VAD CONT.
DRIVER
IC16786,87
Q16664-67 TPVSCN TPSC1
VSCN
GEN.
D16859
D16860
D16721 IC16784
CML CPH1 SIU
(15V_F) TPVAD
CML2 CPH2 SID
VAD
CMH CEL OC2
IC16724
CSH SCSU CLK GEN.
CSL
+5V F_5V_A
(SC1)
D16725
IC16725
F_5V_B
+5V
(SC2)
D16473
D16791
D16871
D16821 D16873
SIU
SID
OC2
D16717
CLK
CB8
12 +5V(P)
1 Vda
2 Vda
5 SOS8_SS
SUSTAIN CONTROL
BUFFER
C23 SS23
IC17203
DATA DRIVER (LEFT)
SM SCAN OUT
SC SM IC14901-03
41 41
15 15 SCAN
DRIVER
6 6
1 1
SCAN
DRIVER
IC14904-06
IC14951-52
SCAN
DRIVER
SC SM
42
42
7 7 SCAN
DRIVER
18 18
Vfo
20 IC14953-55
20
9 9
2 SCNR_PRO
2
SC
SM
5V 5V
46
46 BUFFER
1 1
IC14961-63
SM1-SM6
PLASMA PANEL
PANEL SCAN
ELECTRODES
TH-37PV8PA, PX8BA/EA
Block Diagram (7/7)