Panasonic TC-50PX14 Service Manual page 62

11.26. SC-Board (1/3) Schematic Diagram
! SC-BOARD TXNSC1EPUU (1/3)
A
TO
P-BOARD
(P2)
SC2
TP1 TP2
1
Vsus
*C16412
*C16411 *C16419
220V 220V 250V
B 3
GND 250u 250u 1.5u
TP4 TP5
TP82
TP8 TP9 TP6 TP7
TO
A-BOARD 15V
(A20)
IC16561
SC20
C0JBAZ002692
TP16 TP17
BUFFER
30 P5V
P5V
TP38
SIU C16563
29
C SIU 10V
TP19 100u 1 G1
CLK R16561
28
CLK EXB38V470JV
2
TP24 A1
27
GND
TP70 3
CERS A2
26
CERS
4
TP40 CRC2 A3
25
CRC2
5
R16565 A4
24
GND
EXB38V472JV
TP52 6 A5
23 OC2
OC2
R16562
TP21 7 A6
22 CRC1
EXB38V470JV
CRC1
8 A7
TP39 SC_FPGANRST
21
SC_FPGANRST
TP18 9 A8
OC1
20
OC1
TP22 10 GND
CIS
19
CIS
R16566
18 EXB38V472JV
GND
TP23
17
SOS6
TP20
16
SOS7
15
GND
TP37
14
UHZ 1
R16563 G1
TP36
CPH2 EXB38V470JV
13
CPH2 2
A1
D 12
GND 3
A2
TP14
CEL
11
CEL
4 A3
TP11
10 CSH
CSH
5 A4
R16568
TP25
9 EXB38V472JV
GND
6 A5
TP10
8 CSL
CSL 7 A6
TP15
7 CPH1
CPH1 8
A7
6
GND 9
A8
TP26
CMH R16564
5
CMH EXB38V470JV 10 GND
TP27 CML
4
CML
3 IC16562
NC
2
P15V C0JBAZ002692
1 R16567
P15V BUFFER
EXB38V472JV
SIDE
TP12
TP13
IC16563
E
C0JBAC000363
INVERTER
TP28 TP29 TP30 TP31 TP32 TP33 TP34 TP35
F
1 2
TO
SS-BOARD
(SS3)
SC3
15V
5V
VSCN R16774
27k
VSUS:187V
R16751 R16752
150k 4.7k
VSUS TPVSUS D16871
SOS7_SC2
MAZ82000ML D16821
MAZ83600ML D16820
MA3X152E0L
R16755
12k
R16783
150k
Q16876
R16750
12k
B1ABCF000231
R16775
4.7k
R16756
12k D16875
MA2J11100L
R16753
D16874
220k
MAZ80510LL
VAD ERROR DET
OPERATES AT -160V OR MORE
AND -200V OR LESS
VSCN ERROR DET
OPERATES AT 165V OR MORE
AND 124V OR LESS
5V
C16562
16V
20 1u
Vcc
19
G2 TP46
18 AA_SIU
SOS7_SC2
Y1
17 AA_CLK
Y2 R16476 D16480
4.7k MA2J11100L
16 AA_CERS
Y3
AA_CIS
15
Y4
AA_OC2
14
Y5
C16565
13
50V
Y6
0.01u
12 AA_SC_FPGANRST TPSOS6
Y7
11 AA_OC1
Y8
TP73 TP71
MAIN_STOP0
TP74 TP72
TPSOS7
C16566
50V
0.01u
D16724
20 B0FBCN000005
Vcc R16590
220
19
G2
18 AA_CPH2 C16593 R16592
50V
Y1 4.7k
1000p
AA_CEL
17
Y2
AA_CSH
16
Y3
AA_CSL
15
Y4
TP3
14 AA_CPH1
Y5
13 AA_CMH
Y6
12 AA_CML
Y7
11 AA_CML2
Y8
5V
R16587 R16588
2.2k 10k IC16581 D16583
R16591 B3ABB0000210
EXB38V472JV (GREEN LED)
C0BBBA000024
15V
Q16581 ERROR DET
B1ABCF000231
C16581
C16564 R16580
16V
2.2k
1u 1 A_OUTPUT 8
VCC
5 1
R16589
10k 2 7
A_-INPUT
B_OUTPUT R16585
AA_UHZ
2
1k
R16579
3 A_+INPUT 6
47
4 3 B_-INPUT
C16582
R16570
4 5
4.7k GND
B_+INPUT
R16586
1.69k
R16673
4.7k
AA_CRC1
R16593
VOLTAGE ERROR DET(C16582)
Q16673 1.33k
OPERATES AT 11.8V OR MORE
B1CBGD000001
AND 5.2V OR LESS
R16675
4.7k
AA_CRC2
Q16674
B1CBGD000001
3 4
IC16464
C0JBAB000715
INVERTER
PC16461
C16533
B3PBA0000457 C16535
50V R16414 R16415 1 5
0.1u 330 330 50V
AA_CMH 1 8
0.1u
2
R16411
D16411
270
MA2J11100L 2 7
AA_CML2 3 4
R16416
10k
3 6
R16410
390
AA_CSH C16536
4 5 1 5
50V
0.1u
2
VAD 3 4
IC16465
C0JBAB000715
INVERTER
MID
Q16441
B1JAEP000006
R16531
D16441
10
B0ECHR000001
R16441
5.6
C16524
R16533 R16532
25V
47k 47k
4.7u
D16461
MA3DF46000LW
Q16531
B1HFPFA00001
VSUS
D16462
MA3DF46000LW
C16471
630V
1000p
L16403
1.8u
TP90 TP91 L16404
1.8u
L16402
VSUS 1.8u
L16401
1.8u
TP100 TP99
L16413
1.8u
L16414
1.8u
L16412
1.8u
TP92 TP93 L16411
1.8u
C16491
R16582 630V 15V
25V
39k 1000p
1u
D16481
B0FACQ000002
R16583
39k
AA_CSL
R16521
100
D16482
C16521
R16584 B0FACQ000002
25V
25V
4.7u 6.81k
1u
AA_CML
R16522
100
Q16451
B1JAEP000006
D16451
B0ECKP000047
R16451
5.6
R16553
C16451 47k
50V
3900p
Q16551
B1HFPFA00001
5 6
62
IC16771
C0CBADC00072
+5V
16V_F
1 VIN 3
VOUT
C16771 COM C16772 C16796
16V 25V 25V
2
1u 4.7u 470u
IC16501
C0ZBZ0001324
Q16501
NC
9 HO 8
C16502 R16503 B1HFPFA00001
R16504 10
25V
4.7u 75
NC
10 VB 7
C16503 C16504
R16510 25V 25V
1 470u 4.7u
VCC
VS
C16501 11 6
R16512
25V
47k
1u *R16402
HIN R16511
12 NC 5 47k
R16501
100
NC
NC
13 4
C16522
25V
4.7u
LIN
14 VCC2 3
R16502 R16523 C16523
100 75 25V
470u
GND
Vcom
15 2
D16522
B0ECKP000047 D16503
NC
B0HCKS000002
16 LO 1
D16524
FET DRIVER B0ECKP000047
VAD
CSH/CMH GATE
DRIVE CIRCUIT
15V
IC16521
R16619
1
C0ZBZ0001324
*Q16421
NC
D16620 B1JAEP000004
9 HO 8
B0ECKP000047
R16524 R16421
75 7.5
NC
VB
10 7
C16527 C16525
Q16521
25V 25V
4.7u 4.7u B1HFPFA00001
VCC *Q16422
11 VS 6
R16506
B1JAEP000004
10
R16422
HIN
7.5
NC
12 5
NC
13 NC 4
D16722
MA3DF30000LW
LIN R16517
VCC2 R16516
14 3 C16505
47k
25V 47k
1u
GND
15 Vcom 2
*D16421
MA3DF40000LW
NC
LO
16 1
FET DRIVER
CSL/CML GATE
DRIVE CIRCUIT
R16552 R16551
47k 10
7 8
VSUS
*D16401
B0FACQ000001
*Q16401
2PG0090000RP
R16401
7.5
C16401
630V
5600p
*Q16402
2PG0090000RP
7.5
1
2
3
4
5
C16421
630V
5600p
6
9