Sc-Board (1 Of 2) Schematic Diagram - Panasonic TH-42PHD6A Service Manual

14.49. SC-Board (1 of 2) Schematic Diagram

TO
P-BOARD
(P2)
A
TO
P-BOARD
(P23)
B
TO
D-BOARD
(D20)
CL
SCSU
SOS2
C
CEL
CEH
CSL
CSH
CML
CMH
D
E
TH-42PHD6/TH-42PHW6
SC-BOARD (1 of 2) Schematic Diagram
1
!
SC2
R6687
R6600 0.22
0
1 2W =
*
Vsus
2
* C6601 C6602
Vsus
200V 200V
R6688
3 220u 220u
0.22
TP1 TP2
NC
2W =
TP4
4
GND
TP3
5
GND
6
GND
SC23
TP6 TP7
L6609
G0ZZ00002183
1
+17V
2
+17V C6609 C6610
25V 25V TP8 TP9
GND 3
220u
1u
SC20
TP20 TP21
R6695
1
5V
EXB38V471JV
TP22
2
TP23
3
TP24
4
5
R6696
EXB38V473JV
TP25
6
TP26
R6697
7
EXB38V471JV
TP27
8
TP28
9
AB_CPH
L6603
10
G0ZZ00002183 AB_SIU
TP29
11
L6604
AB_CL
G0ZZ00002183
TP10
12
R6698
TP11
EXB38V473JV
13
AB_CEL2
TP12
14
C6679
15
16V 0.1u
C6680
16
16V 0.1u
TP13
17
TP14
18
TP15
19
R6691
TP16
20 EXB38V471JV
TP30
TP31
R6692
EXB38V473JV
R6693
EXB38V471JV
R6694
EXB38V473JV
2
SC-BOARD TXNSC10QJS (1/2)
C6603 C6604 C6605 C6606
C6607
200V 200V 200V
200V 250V
220u
220u 220u 220u
2u
R6604
IC6602
C0ZBZ0000562
NC HOUT
9 8
NC VB
10 7
VDD VS
11 6
HIN NC
12 5
C6652
NC NC
13 4
16V
SF20LC30F10
1u
LIN VCC
14 3
R6641 GND GND
15 2
100
NC LOUT
16 1
C6682
16V
1 20
1G~ VCC
2 19
1A1 2G~
3 18
2Y4 1Y1
4 17
1A2 2A4
5 16
2Y3 1Y2
AB_SCSU
6 15
1A3 2A3
7 14
2Y2 1Y3
AB_SID
8 13
1A4 2A2
9 12
2Y1 1Y4
AB_CLK
R6815
10 11
0
GND 2A1
AB_CEL
1 20
1G~ VCC
2 19
1A1 2G~
3 18
2Y4 1Y1
4 17
1A2 2A4
5 16
2Y3 1Y2
6 15
1A3 2A3
7 14
2Y2 1Y3
8 13
1A4 2A2
9 12
2Y1 1Y4
10 11
GND 2A1
CSH
CMH
C6600
16V
1 14 1u
1A VCC
CPH
2 13
1B 4B
3 12
1Y 4A
4 11
2A 4Y
5 10
2B 3B
6 9
2Y 3A
7 8
GND 3Y
C6701
250V
2u
ECWF2205KSP
Q6621
R6631
2SK3637000VE
5.6
R6632
5.6
Q6627 R6633
5.6
2SD21850RL
R6634
5.6
10
R6603
10k
Q6628
2SB1073001TV
D6613
B0ECHP000001
L6662
J0JJC0000011
C6650
D6650
25V 4.7u
C6651
25V
4.7u
R6635
5.6
R6636
5.6
R6637
5.6
R6638
1u
5.6
D6611
B0ECHP000001
NC HOUT
9 8
NC VB
10 7
VDD VS
11 6
HIN NC
12 5
NC NC
13 4
LIN VCC
14 3
GND GND
15 2
NC LOUT
16 1
C6683 C6684
25V 25V
47u 47u
Q6581
COMPARETER
2SD0601A0L
R6588
2.2k
R6657
1k Q6616
2SK062000L
R6658
1k
SCSU
Q6617
2SK062000L
R6659
1k
CEL
3
C6702 C6704 C6705
250V 250V 250V
2u 2u 2u
Q6622
2SK3637000VE
D D
S S
L66
G G
G0ZZ000
L66
G0ZZ000
L66
G0ZZ000
L66
G0ZZ000
L66
G0ZZ000
1/2W
R6689
L66
22
G0ZZ000
1/2W
L66
R6690
G0ZZ000
22
L66
G0ZZ000
L66
G0ZZ000
C6643
C6639
250V
250V
L66
0.1u
0.1u
G0ZZ000
D
S
G
Q6624
2SK3637000VE
G
R6608
10
Q6629
2SD21850RL
C6641
25V
4.7u
R6609
10k
Q6630
D6651
2SB1073001TV
B0ECHP000001
C6642
25V 4.7u
C6584
IC6581
25V
1u
C0BBBA000043
R6582
100k
R6583
1 8
100k
2 - + 7 R6585
1.5k
3 + - 6
4 5
R6586
1.5k
C6585
16V
1u
D6582
MAZ80510LL
4
103