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