Panasonic TH-50PX80UA Service Manual page 67

11.31. SC-Board (1/3) Schematic Diagram
SC-BOARD TXNSC1BCUU (1/3)
!
A
TO
P-BOARD VSUS:185V
(P2)
TPVSUS
L16591
SC2 G0ZZ00002183 VSUS
TP1 TP2
1
Vsus
*C16411 *C16412
3 220V 220V
GND
250u 250u
TP4 TP5
B
TP8 TP9 TP6 TP7 TP82
TO
15V
A-BOARD
(A20)
SC20
C
TP16 TP17
30
P5V
TP18
C16563
29
OC1 10V
100u
TP36 R16561
28
CPH2 EXB38V470JV
TP24
27
GND
TP19
26 AA_SCSU
CLK
TP38
25
SIU
24 R16565
GND EXB38V472JV
TP21
23
SID
TP22
22 R16562 AA_OC2
SCSU EXB38V470JV
21
GND
TP52
AA_CERS
20
OC2
TP15 CPH1
19
CPH1
R16566
18
(OC2B) EXB38V472JV
TP37
C16565
17
LAT(CQR) 50V OC2
0.01u TPSOS6
TP23
16 SOS7_SC2
SOS6_SC1
TP20 TP73 TP71
15
SOS7_SC2
D
TP74 TP72
C16566
14 TPSOS7
GND 50V
TP14 0.01u
13
CEL
CEL
TP70
12
CERS CERS
TP39
11
SC_DRV_RST
TP25 R16563
10
EXB38V470JV
GND R16568
EXB38V472JV
9 TP10
CSL AA_CML
TP11
8
CSH R16564
EXB38V470JV
7
GND AA_CMH
TP27
6
CML
TP26
5
CMH AA_CSL
4
NC CPH2
R16567
EXB38V472JV
3
+15V
2
+15V
1
+15V R16591
EXB38V472JV
SIDE
E
TP28 TP29 TP30 TP31 TP32
F
TH-50PX80UA
SC-Board (1/3) Schematic Diagram
1 2
ZA16401
K4CD01000011
ZA16411
TUXJ490
VF_GND
ZA16412
TUXJ490
ZA16402
K4CD01000011
C16414
ZA16421
250V
TUXJ490
2.2u
ZA16422
TUXJ490
ZA16403
K4CD01000011
15V
D16521
B0ECKP000047
R16507
1
NC
HO
9 8
C16522
25V
4.7u
NC
10 VB 7
R16523
75
VCC
VS
11 6
D16522
AA_CSH
HIN B0ECKP000047
12 NC 5
R16521
100
IC16561
C16521
NC
25V
NC
1u 13 4 C16525
C0JBAZ002811
5V 25V
AA_CSL 4.7u
BUFFER LIN
14 VCC2 3
R16522
100
GND
15 Vcom 2
C16562
16V
1 1G 20
VCC 1u
NC
2 1A1 19 LO
16 1
2G
3 18 AA_OC1
2Y4
1Y1
IC16521
4 17
1A2
2A4
C0ZBZ0001324
5 16 AA_CLK
2Y3
1Y2
FET DRIVER
6 15
1A3 TP46
2A3
ENERGY RECOVERY
7 14 AA_SIU
2Y2
1Y3
8 13
1A4
2A2
9 2Y1 12
1Y4
10 GND 11
2A1
C16564
16V
MAIN_STOP
1 1G 20 1u
VCC R16590
220
2 1A1 19
2G
3 2Y4 18 AA_CEL C16593 R16592
1Y1 50V
4.7k
1000p
4 CML 17
1A2
2A4
5 16
2Y3
1Y2
5V
6 15
1A3
2A3 TP3
7 14 AA_CPH1
2Y2 CMH
1Y3
8 CSL 13
1A4 R16587
2A2
2.2k
Q16581 R16588
AA_CSH 9 12 AA_CPH2
2Y1 10k
1Y4 B1ABCF000231
10 GND 11 D16585
2A1 MA2J11100L
R16580
TP12
2.2k
TP13
OPERATES AT 124V OR MORE
IC16562 AND 50V OR LESS
C0JBAZ002811
BUFFER
CSL
CSH
CML
CMH
AA_DRV_RST
TP33 TP34 TP35
3 4
VSUS
R16468
82k
R16467
82k
R16466 *C16633 *C16634 *C16635
56k
250V 250V 250V
D16466 4u 4u 4u
MA2J11100L
R16465
27k
Q16531 D16441
*Q16441
B0ECKP000047
B1ABRD000003
B1JAEN000003
*R16441
R16531 5.6
10 C16471
*C16441 630V
50V 1000p
3900p
R16532 R16533
47k 47k
C16524
25V Q16532
4.7u R16509
B1ADRD000001
1
*L16401
G0C1R4KA0118
D16523 TP90 TP91
B0ECKP000047
*L16402
G0C1R4KA0118
*D16461
MA3DF46000LW
*L16404
G0C1R4KA0118
*L16411
*D16481 G0C1R4KA0118
B0FBCN000005
TP92 TP93
*L16412
G0C1R4KA0118
C16491
630V
1000p
*L16414
G0C1R4KA0118
Q16551
B1ABRD000003
*Q16451
B1JAEP000003
R16551
10 D16451
B0ECKP000047
R16451
5.6
R16552 R16553
47k 47k
Q16552
B1ADRD000001
IC16581
C0BBBA000024
15V D16583
LNJ301MPUJA
COMPARATOR
(GREEN LED)
C16581
R16582
25V
39k
1u
1 A_OUTPUT 8
VCC
R16583
2 7 39k
A_-INPUT
B_OUTPUT R16585
1k
3 A_+INPUT 6
B_-INPUT
C16582
R16584
16V
8.2k
4 5 1u
GND
B_+INPUT
R16586
1.8k
R16593
1.2k
5 6
67
*Q16401
B1JAEN000002
R16401
D
7.5
Q16501 G
S
B1HFPFA00001
*Q16402
B1JAEN000002
*R16402
7.5
IC16501
C0ZBZ0000895
FET DRIVER 15V
R16508 D16501
B0ECKP000047
1
Vsus Gen.
NC
HO
9 8
C16502 R16503
25V R16504 10
4.7u 75
NC
10 VB 7
C16504 R16511 R16512
25V
47k 47k
4.7u
NC
VS
11 6 R16510
1 *D16401
AA_CMH B0FBCN000005
HIN
12 NC 5
R16501
100 D16503
B0ECKP000047
NC
NC
13 4
C16505 15V
25V
AA_CML 4.7u
LIN
14 VCC 3
R16502
100
GND
15 GND 2
NC
LO *D16402
16 1
B0FBCN000005
Q16521
B1HFPFA00001
*Q16421
B1JAEP000002
R16506 R16421
10 7.5
*Q16422
B1JAEP000002
R16422
R16516 7.5
47k
R16517
47k
*D16421
MA3DF40000LW
5V
R16475
4.7k
SOS7_SC2
D16480
MA2J11100L
R16476
4.7k
5 1
MAIN_STOP
2
4 3
C16480
50V
0.1u
IC16472
C0JBAA000377
AND GATE
TH-50PX80UA
SC-Board (1/3) Schematic Diagram
7 8
VSUS
C16402
630V
5600p
1
2
C16421
630V
5600p
3
4
5
9