Panasonic TH-42PA25U-P Service Manual page 317

A
TO
P-BOARD
(P2)
TO
B P-BOARD
(P23)
TP16
TP17
TO SC20
D-BOARD
(D20)
1
TP18
2 R6690 470
TP19
C 3 R6691
470
4 TP38 R6670 470
TP24
5
GND
TP21
6 R6694 470
TP22
7 R6695 470
TP52
8 R6664 470
CEL2
TP15
9 R6678 470
CPH
10
GND
TP23
11
SOS1
TP20
12
SOS2
TP14
13
CEL
TP39 R6679
14
CBK 470
15 C6651 C6652
GND
0.01u
0.01u
R6676
16 470
GND
TP10
470
CSL 17 R6682
TP11
18 R6683
470
CSH
TP27
19 R6684 470
CML
D
TP26
20 R6685 470
CMH
TP25
E
F
TH-42PA20U
SC-Board(1of2)Schematic Diagram
1 2
SC-BOARD TXNSC10QBS (1/2)
SC2
TP1 TP2
L6602 R6601
G0ZZ00002183 0
1
Vsus
2
Vsus C6601 C6602 C6603 C6604
200V 200V 200V 200V
3 220u 220u 220u 220u
NC TP4 TP5
4
GND
5
GND
6
SC23
L6604
TP15V TP6 TP7
G0ZZ00002183
1
+15V
2
+15V C6608
C6607
25V
25V TP8 TP9
3
1u 470u
GND
R6659
100
BUFFER
C6546
C6655
10V
16V
100u 1u
1 20
1G~ VCC
2 19
1A1 2G~
AA_SCSU AA_CL
3 18
2Y4 1Y1
4 17
1A2 2A4
AA_CLK
5 16
2Y3 1Y2
6 15
1A3 2A3
14 AA_SIU
7
2Y2 1Y3
13
8
1A4 2A2
AA_SID
9 12
2Y1 1Y4
AA_CPH
10 11
GND 2A1
AA_CEL2
R6658
0
C6656 C6647
1 20 10V 16V
1G~ VCC
100u
1u
2 19
1A1 2G~
3 18
2Y4 1Y1
AA_CEL
4
17
1A2 2A4
5
16
2Y3 1Y2
AA_CBK
6
15
1A3 2A3
7 14
2Y2 1Y3
8 13
1A4 2A2
9 12
2Y1 1Y4
BUFFER
TP12
10 11
GND 2A1
TP13
AC_CPH
AA_CPH
AA_CBK
BUFFER
C6471
R6463
16V
1k
1u
1
14
1A VCC
Q6603
2SK062000L
2 13
AA_CEL
1B 4B
R6472
1k
3 12
1Y 4A
4 11
2A 4Y
5 10
2B 3B
R6466
Q6604
6 9 1k
2Y 3A
2SK062000L
7 8
GND 3Y
3 4
D6640
B0ECHP000001
FET DRIVER
L6647
J0JJC0000021
NC HOUT
9 8
C6634
NC VB
10 7
25V 4.7u
VDD VS
11 6
IC6602
D6647
HIN NC
12 5
B0ECHP000001
C6636
C0ZBZ0000562
16V NC NC
13 = 4
1u
LIN ENERGY VCC
14 3
C6635
GND RECOVER GND
15 2
25V 4.7u
NC LOUT
16 1
D6624
SF20LC30F10
D6622
SF20LC30F10
D6629
B0HBSM000031
R6647
5.6
R6648
5.6
C6650
250V 2SK3637000VE
0.22u
m
R6655
100
R6656
100k
C6584
IC6581
25V
1u
C0BBBA000043
Q6581
2SD0601A0L COMPARETER
D6584
MA2J11100L
1 8
R6589
10k
2 - + 7 R6587
R6603 1.5k
R6590
3 + - 6
0
2.2k
4 5
R6591
1.5k
D6582
MAZ80510LL
5
R6611
5.6
R6612
5.6
Q6621
R6641
5.6 2SK3637000VE C6621
R6613
D
250V 1u
5.6
C6622
S
G
R6642 R6614
250V 1u
5.6
C6623 5.6
250V 1u
Q6611
C6624
2SD21850RL
D6615
250V 1u
B0ECHP000001
C6625
Q6612
250V 1u FET DRIVER L6618 2SB1073001TV
J0JJC0000021
C6626
R6624 R6623
250V 1u
NC HOUT 10k
9 8
10
C6627 C6631
NC VB
10 7
250V 1u D6611
25V 4.7u
IC6601 B0JCME000025
VDD VS
C6628 11 6
C0ZBZ0000562
Q6613
250V 1u HIN = NC R6619
12 5
C6633 2SD21850RL
16V NC NC
13 Vsus 4
1u
D6612
LIN VCC
14 3 B0JCME000025
C6632 25V 4.7u
GND GND
15 2
R6626
R6620
NC LOUT
16 1
10
Q6614
2SB1073001TV
L6611
0.82u
R6643
L6612
22
1/2W C6660 0.82u Q6673
1000p
2SD1263AP0LB
630V
D6637
B0ECHP000001
1/2W
D6493
R6644 B0ECHP000001
L6615
22
D
0.82u
D6494
B0ECHP000001
S
G
C6642 L6616
250V 0.82u Q6671
Q6624
0.1u 2SB0940AP0LB
R6671
820
IC6604
D6635
AN1431M-E1
MAZ80510LL
D6636
MA2J11100L
D6645
B0ECHP000001 B0JCME000025
FET DRIVER
L6648
J0JJC0000021
NC HOUT
9 8
R6586
10k
NC VB
10 7 B0JCME000025
C6644 25V
4.7u
IC6603
VDD VS
11 6
D6585
MAZ83300ML C0ZBZ0000562
HIN = NC
12 5
C6646
D6586
35V NC NC
13 Vbk 4
MAZ83300ML C6645 C6637
120u D6646
R6582
25V 25V
LIN VCC B0ECHP000001
D6583 100k 14 3 1u
120u
LNJ201LPQJA
GND GND
(RED LED) R6667 15 2
R6583
100k 100
NC LOUT
16 1
C6585
R6584
16V 22k
1u
R6470
15k
1/4W
D6465
R6489
MAZ83300ML
4.7k
D6468
MA2J11100L D6466
MAZ83300ML
D6467
B3PBA0000062
TP28 TP29 TP30 TP31 TP32 TP33 TP34 TP35
6 7
1
C6491 C6490
1000p 1000p
630V 630V
R6499
D6491
8.2
B0ECHP000001
1W
2
Q6601
2SK3652000SB
C6481
D C6611
3300p 630V
630V 3300p
S
G
C6482
630V
Q6602
3300p
2SK3652000SB
D
S
G
C6617
Q6605
3300p
630V
2SK3652000SB
C6615
D
3300p
24 630V
S
G C6485
3300p
Q6606 630V
2SK3652000SB C6616
3300p
D
630V
24
C6486
S 3300p
G
630V
3
*R6673
10 *R6448 TP36 TP37
L6605
1W 4.7k
G0ZZ00002183
2W
*R6441
75k
1%
*R6442
69.8k
R6672
*R6443
100
20k
1/2W
TPVBK
R6447
= 2W
22k
Q6672
3W
2SC1473AEA
*R6444
2.7k
*R6445
2.55k
1%
D6641 Q6641
B1DFHM000002
D
C6639
R6661 200V R6446
220k
S 150u
G
47
C6695
D6642
630V
1000p
D
C6696
630V
R6662
1000p
S
G
47
Q6642
B1DFHM000002
4
5
6
7
8
TH-42PA20U
SC-Board(1of2)Schematic Diagram
8 9