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Panasonic TH-37PA20AA Service Manual page 175

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SC-BOARD TXNSC2QBSU (2/2)
!
1
2
D6505
K7GBZEE00006
1
6
R6505
2.2k
C6575
5
16V1u
AA_CL
3
4
R6575
C6505
470
16V
D6506
1u
C6576
K7GBZEE00006
16V
1u
1
6
R6506
2.2k
5
C6506
R6576
AA_CLK
470
1u
3
4
16V
D6487
MAZ80560HL
D6507
C6577
K7GBZEE00006
16V
1u
1
6
R6507
D6488
MAZ80560HL
2.2k
5
R6577
AA_SIU
470
3
4
C6507
C6578
16V
D6508
1u
16V1u
K7GBZEE00006
1
6
R6508
2.2k
5
AA_SID
3
4
R6578
470
C6508
16V
1u
C6571
D6463
3
MAZ80560HL
16V
1u
D6501
K7GBZEE00006
1
6
R6501
G
2.2k
5
R6571
470
Q6501
AA_CEL2
3
4
2SK062000L
C6501
16V
R6468
1u
4.7k
R6467
Q6477
1.2k
D6459
R6488
MA2J11100L
2SD0601A0L
10k
D6477
MA2J11100L
R6487
D6458
4.7k
B3PBA0000062
Q6476
2SD0601A0L
R6562
K7GBZEE00006
R6502
D6502
1k
AC_CPH
1
6
5
C6502
16V
1u
3
4
4
5
R6484
D6470
R6500
4.7k
1.2k
MA2J11100L
D6469
B3PBA0000062
D6503
K7GBZEE00006
AA_CEL
1
6
6
R6503
7
2.2k
5
8
3
4
R6483
R6573
C6503
6.2k
470
16V
1/4W
1u
D6482
R6482
MAZ83300ML
D6504
4.7k
D6481
K7GBZEE00006
MAZ83300ML
AA_SCSU
D6479
1
6
MA2J11100L
R6504
2.2k
D6480
B3PBA0000062
5
C6504
16V
1u
3
4
R6574
470
TH-42PA20A/F/M/H/R
SC-BORAD (2 of 2) Schematic Diagram
10
11
Q6491
2SD1263AP0LB
*
D6492
R6461
D6471
B0ECHP000001
470
1W
MA2J11100L
R6492
220k
Q6492
R6493
R6491
R6594
2SC1473AEA
100k
220k
100k
IC6491
R6497
R6595
AN1431M-E1
10k
5.23k
C6492
AB_FCLD
350V
R6649
10u
VSET
68
1%
R6596
5.23k
R6650
68
AB_FCLU
1
14
2
13
3
IC6501
12
AB_FCLKU
4
11
C0JBAB000417
R6651
68
5
10
TC74HC14AF
D6485
6
9
MAZ80560HL
D6496
IC6455
BUFFER
AB_FCLKD
B0JCME000025
7
8
R6652
AN78L05M-E1
D6486
68
C6580
MAZ80560HL
1
IN
3
+5V(HT2)
OUT
16V1u
R6653
AB_FSID
C6464
COMMON
68
25V
R6654
AB_FSIU
2
C6465
4.7u
25V
68
4.7u
D6572
B0ECHP000001
1
14
2
13
D6462
D6464
B0JCME000025
3
12
D6489
B0JCME000025
IC6502
MAZ80560HL
4
11
C0JBAB000417
R6665
AB_PROD
5
10
1
IN
3
1
IN
3
TC74HC14AF
OUT
OUT
68
B0HCKS000001
6
9
COMMON
COMMON
R6666
AB_PROU
7
BUFFER
8
2
2
C6461
C6463
68
C6462
50V
25V
25V
4.7u
4.7u
100u
C6509
C6581
D6490
16V
MAZ80560HL
IC6454
50V
IC6453
1u
1000p
AN78L05M-E1
AN78L15ME1
D6509
R6509
MA2J11100L
2.2k
+5V(HT1)
+15V(HT1)
FET DRIVER
R6585
1k
R6517
IC6511
D6511
R6645
10k
B0HCMM000009
150
Q6511
C0ZBZ0000735
D6512
R6511
B1DFGL000005
S
D
C6511
10
MA2J11100L
1
8
Vcc
Vb
C6512
25V
D
R6518
25V
R6512
4.7u
4.7u
100
470
G
2
7
In
Ho
S
TPSC1
D6513
R6514
100k
MA2J11100L
3
6
Gnd
Vs
SC
D6514
R6515
MA2J11100L
4
5
10
Lo
NC
D
C6513
160V
100u
D6478
G
S
R6486
R6516
10k
B0HCKS000001
Q6512
470
B1DFGL000005
R6485
FET DRIVER
10k
D6529
B0JCME000025
IC6521
D6521
R6520
B0ECHP000001
150
IN
1
3
OUT
C0ZBZ0000735
1k
C6523
COMMON
R6588
1
8
C6588
35V
Vcc
Vb
G
2
10k
16V 1u
47u
2
7
In
Ho
S
D
C6589
D6515
R6539
Q6502
25V
MAZ82400ML
IC6512
100
4.7u
Vset1
3
6
2SK062000L
Gnd
Vs
AN78L05M-E1
4
5
Lo
NC
+5V(HT3)
+5V(HT4)
D6551
IC6510
B0JCME000025
AN78L05M-E1
1
IN
3
OUT
C6590
C6591
FET DRIVER
16V
COMMON
25V
R6538
R6565
1u
2
4.7u
1k
10k
G
D6541
IC6541
R6646
B0HCKS000001
150
C6532
C0ZBZ0000735
S
D
25V
R6566
4.7u
Q6503
C6531
100
1
8
Vcc
Vb
2SK062000L
25V
4.7u
2
7
In
Ho
R6519
1k
R6580
D6553
3
6
10k
Gnd
Vs
G
MA2J11100L
Vset2
4
5
Lo
NC
S
D
R6581
Q6504
100
R6555
2SK062000L
100k
12
13
1%
1%
C6469
25V
220u
+
Q6461
C6466
1%
R6610
T6461
50V
C6467
B1BBCJ000003
Q6462
100k
0.01u
50V
ETS13TB139AP
2SB0709ARL
4700p
#
1
NC
10
D6520
Q6463
B0JCKG000001
R6616
N4
R6615
220
D6519
2
9
2SD0601A0L
3.3k
MA2J11100L
L6453
4
3
3 NC
J0JJC0000021
C6470
C6468
50V
16V
4
7
220u
1u
N2
1
2
5
NC
6
D6517
B3PBA0000062
D6456
C6455
B0ECHP000001
25V
220u
L6451
J0JJC0000021
+
C6456
C6454
R6453
160V
0.01u
22k
T6451
Q6451
Q6452
100u
50V
G4D1A0000072
B1BBCJ000003
2SB0709ARL
C6452
1
8
#
0.01u
50V
Q6455
R6454
Nd
N2
N4
R6455
220
2SD0601A0L
2
7
3.3k
4
3
N1
D6453
3
6
MA2J11100L
NC
C6453
N2
1
2
16V 1u
4
5
NC
D6454
B3PBA0000062
D6461
C6475
+
25V 220u
C6474
R6473
0.01u
22k
T6471
Q6471
Q6472
50V
R6480
G4D1A0000072
C6472
B1BBCJ000003
2SB0709ARL
10k
#
1
8
0.01u
50V
L6471
Q6475
R6474
Nd
N2
N4
R6475
220
J0JJC0000021
2
7
2SD0601A0L
3.3k
4
3
N1
D6476
D6473
3
6
B0ECHP000001
MA2J11100L
NC
C6473
N2
1
2
16V 1u
4
5
NC
D6474
B3PBA0000062
3W
R6513
2.2
3W
R6510
2.2
D6526
D6523
R6527
C6524
C6525
B0HCMM000009
B0ECHP000001
1k
1/4W
D6522
MA2J11100L
1000p
1000p
D
200V
200V
R6528
R6524
R6522
1k
0
2k
1%
Q6521
G
S
R6526
Q6520
B1DFES000001
47
INIT-R
R6521
R6525
2SD0601A0L
100k
100k
D6525
MA2J11100L
D6524
MAZ80510LL
Q6522
Q6523
Q6524
Q6525
Q6526
Q6527
2SK2993TE24L
2SK2993TE24L
2SK2993TE24L
2SK2993TE24L
2SK2993TE24L
2SK2993TE24L
D6527
D
D
D
D
D
R6530
R6531
R6532
R6533
R6534
R6535
MA2J11100L
22
22
22
22
22
22
S
S
S
S
S
R6529
G
G
G
G
G
G
47
Q6530
2SB1073001TV
Q6542
Q6543
Q6544
Q6545
Q6546
Q6547
2SK373100L
2SK373100L
2SK373100L
2SK373100L
2SK373100L
2SK373100L
D
D
D
D
D
D6542
R6542
R6543
R6544
R6545
R6546
R6547
MA2J11100L
5.6
5.6
5.6
5.6
5.6
5.6
S
S
S
S
S
G
G
G
G
G
G
R6541
47
Q6541
2SB1073001TV
C6543
C6544
C6547
D6547
D6544
1000p
1000p
1000p
R6559
MAZ83300ML
2.2k
C6541
MA2J11100L
200V
200V
200V
4.7u
D6546
D6548
MAZ83300ML
R6557
MAZ83300ML
10k
R6558
R6556
10k
2
3.9k
3
1
D
Q6552
Q6551
R6560
INIT-F
S
B1DFES000001
2SD0601A0L
G
47
R6540
D6545
D6552
100k
D6549
MAZ80510LL
MA2J11100L
MA2J11100L
R6567
4.7k
Q6554
R6568
4.7k
2SD21850RL
14
TO
SU-BOARD
R6621
(SU45)
R6618
154k
C6620
2.2k
1%
50V
SC45
0.1u
R6433
0
1
TPVSET
R6617
2
R6498
R6629
2.2k
22k
8.2
3
1%
1W
4
IC6456
5
AN1431M-E1
C6493
2200p
6
630V
7
Q6454
8
2SD814ATX
9
D6451
D6495
B0JCME000025
R6459
B0HCKS000001
R6456
10
100k
453k
1/4W
1%
3
IN
1
R6457
10k
OUT
1%
COMMON
2
C6458
C6459
R6458
10k
25V
+
1%
4.7u
47u
25V
IC6451
AN1431M-E1
IC6452
AN78L15ME1
R6464
Q6474
2.2k
R6465
2SD814ATX
TPVSCN
8.2
2W
R6479
R6476
C6476
324k
D6460
100k
B0HCKS000001
160V
C6478
100u
50V
VAD
0.1u
R6469
16k
R6477
5k
R6471
4.7k
1%
R6478
5%
6.98k
IC6472
IC6471
L6472
AN1431M-E1
AN1431M-E1
G0ZZ00002183
TPVAD
R6592
220k
C6526
250V
22u
R6593
220k
D
S
1%
R6551
R6552
R6550
100k
100k
D
3.3k
1%
1W
R6553
Q6550
100k
S
1%
2SC1473AEA
D6543
FET DRIVER
R6554
MAZ80510LL
10k
1%
IC6542
C0ZBZ0000735
1
8
Vcc
Vb
25V
2
7
In
Ho
Q6555
B1DFES000001
3
6
Gnd
Vs
D6550
D
Vad
R6563
MA2J11100L
5.6
4
5
Lo
NC
S
G
C6550
160V
100u
R6561
47
Q6553
2SB1073001TV
TH-42PA20A/F/M/H/R
SC-BORAD (2 of 2) Schematic Diagram
15
16
TO
SU-BOARD
TO
SC41
SC43
(SU41)
SD-BOARD
(SD43)
TP40
A20
A20
TP41
AB_FSIU
B20
B20
A19
A19
TP42
AB_FCLU
B19
B19
A18
A18
TP43
AB_FCLKU
B18
B18
(Vfo)
A17
A17
AB_PROU
TP44
B17
B17
A16
A16
B16
B16
(5V)
A15
A15
B15
B15
A14
A14
B14
B14
A13
A13
TP45
B13
B13
A12
A12
B12
B12
(Vscn)
A11
A11
B11
B11
A10
A10
B10
B10
A9
A9
B9
B9
A8
A8
B8
B8
A7
A7
(Vf)
B7
B7
A6
A6
(Vf)
TP54
B6
B6
A5
A5
TP55
B5
B5
A4
A4
TP56
B4
B4
A3
A3
TP57
B3
B3
A2
A2
TP58
B2
B2
R6605
A1
220k
A1
B1
B1
R6606
220k
R6607
220k
C6598
D6570
160V
B0HCMM000009
22u
+
TO
TO
SC42
SC44
SU-BOARD
SD-BOARD
(SU42)
(SD44)
A20
A20
B20
B20
A19
A19
B19
B19
A18
A18
B18
B18
A17
A17
B17
B17
A16
A16
TP59
B16
B16
A15
A15
(Vf)
TP60
B15
B15
(Vf)
A14
A14
TP61
B14
B14
A13
A13
TP62
B13
B13
A12
A12
TP63
B12
B12
A11
A11
B11
B11
A10
A10
B10
B10
(Vscn)
A9
A9
TP51
B9
B9
A8
A8
B8
B8
A7
A7
10
B7
B7
A6
A6
9
AB_PROD
TP50
B6
B6
(5V)
8
A5
A5
TP49
B5
B5
7
AB_FCLKD
A4
(Vfo)
A4
AB_PROD
6
TP48
B4
B4
A3
A3
AB_FCLKD
5
TP47
AB_FCLD
B3
B3
4
A2
A2
AB_FCLD
TP46
B2
B2
3
AB_FSID
A1
A1
AB_FSID
2
B1
B1
1
SC46
TO
SD-BOARD
(SD46)
17
18

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