Panasonic TH-M50HD18 Service Manual page 33

9.5. Block Diagram (5/5)
SS
P11 SS
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
C33
23
Vda 1
Vda 2
SOS8_SS
5
+5V(P) 12
SUSTAIN CONTROL SUSTAIN CONTROL
P POWER SUPPLY
HOT HOT COLD COLD
L005
D016
D017 T501 D551,552
PFC
Q501,520,522
Vsus OUT
IC801
D519
PFC CONT.
PHOTO
IC501 COUPLER
Vsus
PHOTO
POWER CONT.
COUPLER
Q881
T201
Q200,201,202
Q220,222
POWER
OUT
D001
RECTIFIER
D002
PC201
PHOTO
L001 COUPLER
FILTER
L002
PC803
PHOTO
COUPLER
RL001
RL002
D009,010
L003
D011,012
F003
T101 D151
FILTER RECTIFIER
D013
T630mAL 250V
STB
POWER
CONT. D104
IC120
D102
PC801
PHOTO
COUPLER
PC101
F002 F001 PHOTO
COUPLER
T8AH 250V T8AH 250V
HOT HOT COLD COLD
N L P9
AC CORD
TH-M50HD18
Block Diagram (5/5)
SUSTAIN DRIVE
TPVSUS
IC16301
IC16131 UMH
IPD
Q16001,2
VSUS Gen.
IC16302
DRIVER
D16321
TPVE2
Q16021,2
UML
TRANS +15V
T16301A
IC16151
NUEL
USH Q16331
ENERGY Q16041 TPVE
RECOVERY
USL
UEH NUEL
D16335
Q16051
Q16339 Q16335
IC16191
Q16102
Q16104
UEH
VE Gen.
DRIVER
IC16251
TPSS1
ERROR DET
IC16303
TPVDA D16253
IC16241
LED(G)
NAND GATE
D16255
BUFFER
Q16280
(LED:8TIMES) (LED:8TIMES)
ERROR DET
D16280
Vsus
VSUS
IC561
Q451
VR561
Vsus
ERROR DET
Vda
Vda+75V
PC501 IC451 VR451
Q281
Vda
+15V(P)
CONTROL
PC502
PC461
PHOTO
D451
COUPLER
IC471
IC251
PC491
Vda
PHOTO ERROR DET +15V
COUPLER
D251 ERROR DET
FSTB+15V
VSUS Vda_
Vda_DET 15V_OUT
PFC_ ON/OFF ON/OFF
ON/OFF Vsus_OUT
15V_ON/OFF
MAIN SW
IC601
RUSH RELAY(H)
POWER MICOM
POWER SOS
(LED:4TIMES) (LED:4TIMES)
MAIN RELAY(H)
PANEL MAIN ON
VDA_DET
ALL OFF
STB_IN TV SUB ON
+5V_ 5V_ STB5V_ STB5V_
PRE_OUT ON/OFF ON/OFF OUT
Q151
+5V_PRE +5V(STB)
Q171
+5V(P)
D602
D603
D601
D615
F+15V
D607
P6 7 9 1 3 P7 1 2 10 5 6 8
A7 A7
PLASMA PANEL
CB1 CB2
SS SS
21 02
1 1
2 2
7 7
SS
2 13 1
52
C11 1 2 3 16 49
SS
A31 C1
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
D16282
7 7
IC17201,02
C21 15 55 66 67 68
A32
SS11
P11
1 Vsus
SC2
P2
SC SCAN DRIVE
Vsus
1
IC16788,89
P2
SC2 TPVSUS
Vsus 1 VSET OUT
ERROR DET
CMH
Q16401-03
IC16501
P12 SS12
VSUS Gen.
1 Vda
DRIVER
2 Vda
Q16421
4 +15V(P) Q16422
IC16521 CML
8 +12V
CSH Q16441
ENERGY
MAIN SW
10 RECOVERY
Q16451
CSL IC16752
VSET SEPA
A25
P25
DRIVER
1 +15V(P)
+15V(P)
2 +15V(P)
5 +5V(P)
IC16791
IC16561,62
6 +5V(P)
DC/DC
9 +5V(STB) BUFFER
CONVERTER
12 POWER SOS
POWER
11
MAIN ON IC16472
13 VDA_DET
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
5V-F_A
SCAN
SCAN CONTROL
CONTROL PHOTO COUPLER
VOLTAGE
DROP Q16876
D16820 Vscn D16821
ERROR DET
ERROR DET
5V_F_A
VSCN TPSOS7
Q16875,79
D16718 D16717
16V_F VSET
ERROR DET
VSET
(LED:7TIMES) (LED:7TIMES)
33
PANEL DRIVER
CB3 CB4 CB5
C10 C20
1 Vda
7 Vda
IC17101,02
DATA DRIVER (RIGHT)
PLASMA PANEL PANEL DRIVER
CB
CB9
10
IC17302-04
+5V(P)
55 1
+5V(P)
54 2
VIDEO DATA
BUFFER
CONTROL DATA
BUFFER
Vda
1 55
Vda
IC17301
BUFFER 6 50
SUSTAIN CONTROL
IC17203 SOS8_SS
51 5
C22 C32
1
C2 DATA DRIVER (CENTER) C3 DATA DRIVER (LEFT)
SC30
TPVSET
VF_GND
Q16641-45
Q16601
CEL
Q16604
SC
41
15
Q16661 VSCN-F
VAD SEPA
6
DRIVER
CPH CEL Vfo
1
CPH2 IC16772
Q16621-23
IC16786,87
TPVSCN TPSC1
VSCN
16V-F
GEN.
D14721
IC16784
(15V_F)
TPVAD
VAD
GEN.
IC16724
+5V F_5V_A
(SC1)
IC16725
SC
D16725
42
F_5V_B
+5V
(SC2) 7
17
Vfo
19
9
SC
5V
46
D16871
1
D16873
SCAN CONTROL
CB
11
C33 SS23
1 Vda
2 Vda
12 +5V(P)
SUSTAIN
CONTROL
5 SOS8_SS
FOR
FACTORY
USE
SU SCAN OUT (UPPER)
IC14901-03
SCAN
DRIVER
SU
41
SCAN
15
DRIVER
6
IC14904-06
1
SU1-SU4
SU
11
PLASMA PANEL
PANEL SCAN
ELECTRODES
SD
11
SD1-SD4
IC14951-53
SCAN
DRIVER
SD
42
SCAN
7
DRIVER
17
IC14954-56
19
9
SD
5V
46
BUFFER
1
IC14961-63
SD SCAN OUT (LOWER)
TH-M50HD18
Block Diagram (5/5)