Panasonic TX-P42U20B / TX-P42U20E / TX-PR42U20 Service Manual ▷ View online
69
13.29. SC-Board (1/4) Schematic Diagram
+
+
+
TERM
SIDE
MAIN_STOP0
AA_SIU
AA_CLK
AA_CERS
AA_SEL
AA_OC2
AA_SC_FPGANRST
AA_OC1
AA_CEL
AA_CSH
AA_CSL
AA_CPH1
AA_CMH
AA_CML
AA_CML2
AA_CRC2
AA_UHZ
AA_CRC1
AA_CIS
AA_CRC3
AA_SOS6
5V
MID
VSUS
C16562
16V
1u
C16564
16V
16V
1u
C16413
1.5u
250V
C16565
50V
0.01u
C16566
50V
0.01u
C16582
16V
1u
C16593
50V
1000p
C16581
25V
1u
C16561
10V
10u
10u
*C16412
220V
250u
250u
C16791
25V
220u
*C16414
220V
250u
250u
D16480
B0ACCJ000048
D16790
B0JCME000093
D16822
B0ADCJ000100
D16583
B3ABB0000210
IC16581
C0BBBA000024
1
A_OUTPUT
2
A_-INPUT
3
A_+INPUT
4
GND
5
B_+INPUT
6
B_-INPUT
7
B_OUTPUT
8
VCC
IC16563
C0JBAB000916
1
1A
2
1Y
3
2A
4
2Y
5
3A
6
3Y
7
GND
8
4Y
9
4A
10
5Y
11
5A
12
6Y
13
6A
14
VCC
C0JBAU000043
IC16561
G1
1
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10 GND
11
Y8
12
Y7
13
Y6
14
Y5
15
Y4
16
Y3
17
Y2
18
Y1
19
G2
20
Vcc
C0JBAU000043
IC16562
G1
1
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10 GND
11
Y8
12
Y7
13
Y6
14
Y5
15
Y4
16
Y3
17
Y2
18
Y1
19
G2
20
Vcc
SC20
23
29
30
2
12
5
33
14
32
20
28
26
4
9
11
19
22
21
25
8
13
6
31
17
10
34
24
18
1
7
27
16
15
3
35
SC2
1
3
5V
15V
15V
SOS7_SC2
TP25
TP39
TP97
TP7
TP30
TP52
TP36
TP38
TP28
TP98
TP46
TP22
TP15
TP72
TP1
TP82
TP33
TP11
TP71
TP88
TP108
TP109
TP110
TP111
TP113
TP114
TP115
TP118
TP116
TP121
TP120
TP119
TP123
TP31
TP105
TP19
TP26
TP3
TP5
TP8
TP18
TP21
TP35
TP9
TP4
TP2
TP6
TP99
TP32
TP89
TP40
TP23
TP37
TP24
TP10
TP17
TP106
TP34
TP29
TP70
TP117
TP112
TP20
TP107
TP14
TP16
TP122
TP124
TP101
R16565
EXB38V472JV
R16579
EXB38V470JV
R16563
EXB38V470JV
R16564
EXB38V470JV
R16566
EXB38V472JV
R16591
EXB38V472JV
R16567
EXB38V472JV
R16561
EXB38V470JV
R16568
EXB38V472JV
R16562
EXB38V470JV
R16570
EXB38V472JV
R16590
220
R16585
1k
R16586
2.15k
R16582
39k
R16588
10k
R16587
2.2k
R16584
6.8k
R16583
39k
R16593
1.4k
R16476
4.7k
R16580
5.6k
SC_FPGANRST
CRC1
SEL
SIU
CLK
TPSOS7
TPSOS6
(GREEN LED)
NC
SEL2
GND
CRC3
GND
P5V
CMH
SC_FPGANRST
CML
CPH1
CSL
CSL
CSH
CSH
CML
CMH
P15V
CRC2
CRC3
P5V
Vsus
GND
GND
CLK
GND
SIU
SEL
CERS
CIS
CPH1
OC2
SOS6
SOS7
GND
NC
CEL
GND
OC1
GND
P15V
CRC1
OC1
UHZ
GND
CERS
OC2
Reserve
CEL
CRC2
SEL2
Reserve
2
7
3
4
A
C
B
1
F
5
D
E
9
6
8
TO
P-BOARD
(P2)
P-BOARD
(P2)
TO
A-BOARD
(A20)
A-BOARD
(A20)
BUFFER
BUFFER
CIS
UHZ
!
SC-BOARD TXNSC11DEK (1/4)
1
2
3
INVERTER
ERROR DET
VOLTAGE ERROR DET(C16582)
OPERATES AT 139V OR MORE
AND 67V OR LESS
OPERATES AT 139V OR MORE
AND 67V OR LESS
MID
Vsus
TPVSUS
70
13.30. SC-Board (2/4) Schematic Diagram
+
+
+
AA_CML
AA_CSL
AA_CMH
AA_CSH
AA_CML2
VRL
15V
MIDF
MIDC
VRH
C16524
25V
4.7u
C16471
630V
1000p
C16491
630V
1000p
C16525
25V
4.7u
C16421
630V
5600p
C16771
16V
1u
C16451
50V
3900p
C16501
25V
1u
C16441
50V
3900p
C16522
25V
4.7u
C16401
5600p
630V
*C16633
250V
4u
C16504
25V
4.7u
C16521
25V
1u
C16505
25V
1u
*C16632
250V
4u
C16502
25V
4.7u
C16534
25V
1u
1u
C16523
25V
470u
C16503
25V
470u
C16796
25V
470u
D16522
B0ECHR000001
D16466
B0ACCJ000048
D16411
B0ACCJ000048
D16534
B0ECHR000001
D16451
B0ECKP000055
D16503
B0ECHR000001
D16523
B0ECHR000001
D16536
B0ECHR000001
D16461
B0FACP000005
D16482
B0FACP000005
D16402
DA3DF50ACSLW
D16401
DA3DF50ACSLW
C0ZBZ0001708
IC16501
1
LO
2
VCOM
3
VCC2
4
NC
5
NC
6
VS
7
VB
8
HO
9
NC
10
NC
11
VCC
12
HIN
13
NC
14
LIN
15
GND
16
NC
C0ZBZ0001708
IC16521
1
LO
2
VCOM
3
VCC2
4
NC
5
NC
6
VS
7
VB
8
HO
9
NC
10
NC
11
VCC
12
HIN
13
NC
14
LIN
15
GND
16
NC
IC16771
C0CBADC00072
VIN
3
2
COM
VOUT
1
*L16411
G0C1R0K00014
*L16401
G0C1R0K00014
*L16403
G0C1R0K00014
*L16412
G0C1R0K00014
15V
PC16461
B3PBE0000054
1
2
3
4
5
6
7
8
TP90
TP92
TP91
TP93
Q16401
DG3D5020CSLW
Q16421
B1JAEP000014
Q16441
B1JAEP000013
Q16402
DG3D5020CSLW
Q16451
B1JAEP000012
Q16422
B1JAEP000014
Q16521
B1HFPFA00001
Q16501
B1HFPFA00001
Q16531
B1HFPFA00001
Q16551
B1HFPFA00001
R16465
27k
R16517
47k
R16451
5.6
R16503
10
R16410
390
R16521
100
R16466
56k
R16467
82k
R16533
47k
R16522
100
R16416
10k
75
R16504
R16421
7.5
R16506
10
R16534
5.6
R16509
1
R16422
7.5
R16551
10
R16401
7.5
R16417
100
R16418
100
R16512
47k
R16441
5.6
R16553
47k
75
R16523
R16531
10
R16411
270
R16402
7.5
R16468
82k
C16461
1000p
630V
C16481
1000p
630V
Vad+5V
Vad+5V
VFG
VFG
16V_F
Vsus
Vsus
Vsus
VAD
VAD
15
13
18
12
11
14
17
10
16
MID
Vad+5V
CSH/CMH GATE
DRIVE CIRCUIT
DRIVE CIRCUIT
FET DRIVER
FET DRIVER
CSL/CML GATE
DRIVE CIRCUIT
DRIVE CIRCUIT
VOL
16V_F
VFG
Vad+5V
!
SC-BOARD TXNSC11DEK (2/4)
1
2
3
11
12
13
14
15
16
17
18
MID
Vsus
71
13.31. SC-Board (3/4) Schematic Diagram
+
AA_SC_FPGANRST
MAIN_STOP0
AA_CIS
AA_UHZ
15V
AA_CPH1
AA_CERS
VOL
5V_F
AA_CRC1
AA_CRC2
AA_CEL
C16684
50V
0.1u
C16668
50V
220p
C16603
630V
1000p
C16608
50V
220p
C16661
630V
1000p
1000p
C16472
25V
1u
C16692
50V
0.1u
C16756
25V
4.7u
C16666
50V
82p
C16664
50V
82p
C16604
630V
1000p
C16665
50V
82p
C16646
630V
1000p
C16662
630V
1000p
C16675
50V
390p
C16641
2200p
630V
C16891
25V
1u
C16708
50V
0.1u
C16490
16V
1u
C16773
25V
1u
C16753
25V
4.7u
C16602
50V
22p
22p
C16645
630V
1000p
C16685
50V
0.1u
C16755
25V
4.7u
C16707
50V
22p
C16642
5600p
630V
C16691
160V
100u
100u
D16674
B0ECHR000001
D16618
B0ECKP000055
D16474
B0ACCJ000048
D16669
B0ACCJ000048
D16649
B0ACCJ000048
D16654
B0ACCJ000048
D16673
B0ECHR000001
D16671
B0ACCJ000048
D16490
B0ECKP000055
D16610
B0ACCJ000048
D16702
B0ACCJ000048
D16765
B0ECKP000055
D16653
B0ACCJ000048
D16478
B0ACCJ000048
D16407
B0JCME000093
D16476
B0ACCJ000048
D16607
B0ACCJ000048
D16902
B0ACCJ000048
D16473
B0ACCJ000048
D16497
B0ECKP000055
D16652
B0ECKP000055
D16650
B0ACCJ000048
D16491
B0ECKP000055
D16677
B0ADEJ000035
D16604
B0ADCJ000100
D16422
B0FACP000005
D16901
B0ADCJ000100
D16493
B0ADCJ000100
D16920
B0ADCJ000100
D16494
B0ADCJ000100
D16642
B0FBCN000006
D16641
B0FBCN000006
D16791
DZ2J200M0L
D16663
DZ2J150M0L
DZ2J150M0L
D16602
D16662
DZ2J150M0L
D16678
DZ2J15000L
D16646
DZ2J150M0L
D16605
DZ2J051L0L
D16477
DZ2J047L0L
D16475
DZ2J051M0L
D16492
DZ2J047M0L
D16664
DZ2J150M0L
D16651
DZ2J051M0L
D16645
DZ2J150M0L
D16648
DZ2J051L0L
D16647
DZ2J150M0L
C0DBZYY00352
IC16692
4
REFERENCE
3
CATHODE
1
NC
2
ANODE
C0DBEYY00114
IC16471
4
REFERENCE
3
CATHODE
1
NC
2
ANODE
C0DBZMC00006
IC16490
4
REFERENCE
3
CATHODE
1
NC
2
ANODE
C0JBAC000363
IC16691
1
IN_B
2
IN_A
3
GND
5
VCC
4
OUT
C0JBAB000715
IC16773
1
NC
2
IN_A
3
GND
5
VCC
4
OUT_Y
C0BBAA000008
IC16491
1
-INPUT
2
GND
3
+INPUT
5
VCC
4
OUTPUT
IC16920
C0BBBA000024
1
A_OUTPUT
2
A_-INPUT
3
A_+INPUT
4
GND
5
B_+INPUT
6
B_-INPUT
7
B_OUTPUT
8
VCC
IC16661
C0BBBA000024
1
A_OUTPUT
2
A_-INPUT
3
A_+INPUT
4
GND
5
B_+INPUT
6
B_-INPUT
7
B_OUTPUT
8
VCC
15V
15V
5V
5V
5V
CHA
SCNR_PRO
5V
PC16603
B3PBA0000498
1
2
3
4
PC16480
B3PBA0000498
1
2
34
PC16684
B3PBA0000496
1
2
3
4
5
6
PC16685
B3PBA0000496
1
2
3
4
5
6
TP68
TP103
TP104
TP67
Q16608
B1CBGD000001
Q16818
B1CBGD000001
Q16607
B1CBGD000001
Q16490
B1CBGD000001
Q16647
B1CBGD000001
2SK3018T106
2SK3018T106
Q16601
B1CERR000042
G
D
S
Q16660
B1CERR000042
Q16668
DSC2001Q0L
Q16645
DSC2001Q0L
Q16471
B1ABCF000231
Q16676
B1ABCF000231
Q16602
DSC2001Q0L
Q16649
B1ABCN000007
Q16606
DSC2001Q0L
Q16920
B1ABCN000007
Q16810
B1ABCF000231
Q16662
DSC2001Q0L
Q16671
B1ABCF000231
Q16921
B1ABCN000007
Q16702
B1ABCF000231
Q16677
DSC2001Q0L
Q16678
B1ABCF000231
Q16661
B1JAER000010
Q16621
B1JADN000005
Q16603
DSA2001S0L
Q16675
B1ADCN000007
Q16670
B1ADCN000007
DSA2001S0L
Q16801
Q16646
DSA2001S0L
Q16663
DSA2001S0L
Q16701
B1ADCN000007
Q16762
B1HFPFA00001
R16927
22k
R16663
7.15k
R16655
10k
R16921
1.24k
R16694
56k
R16612
47
R16495
750
R16498
10k
R16660
2.2k
R16475
4.7k
R16685
220
R16776
47
R16656
4.7k
R16658
6.34k
R16664
2k
R16610
100k
R16677
2k
R16494
2k
R16491
120k
R16692
1.5k
R16662
10k
R16673
4.7k
R16650
100k
R16474
1k
R16651
2k
10
R16765
R16607
6.98k
R16686
10k
R16801
22k
R16615
1.1k
R16678
2k
R16802
30.9k
R16746
47k
R16745
470k
R16747
2.2k
R16684
220
R16742
47k
R16667
2k
R16717
1k
R16899
2.74k
R16898
1.05k
R16897
1k
R16769
75
R16711
4.7k
R16634
470
R16904
22k
R16605
1.8k
R16679
10.7k
R16621
220
R16900
10k
R16478
5.6k
R16648
2k
R16761
10
R16659
0
1
R16601
R16668
2k
R16490
120k
R16631
10k
R16901
4.7k
R16688
8.87k
R16654
47
R16791
1k
R16681
10
R16691
56k
R16497
47k
R16653
1.8k
R16892
82.5k
R16479
10k
R16923
10k
R16661
1.2k
R16687
27k
R16707
3.9k
R16675
4.7k
R16922
3.48k
R16690
4.7k
R16496
47
R16604
330
R16674
2k
R16928
4.7k
R16473
560
R16665
33
R16926
2.2k
R16472
2.2k
R16646
1.18k
R16609
2k
R16763
47k
R16617
2.2k
R16680
4.7k
R16891
69.8k
R16712
1k
R16471
3.9k
R16695
1.5k
R16492
120k
R16649
33
R16652
8.2k
R16666
22k
R16893
82.5k
R16645
5.6k
R16699
10k
R16804
1.1k
R16920
10k
R16493
6.19k
R16633
22k
=
VFG
Vsus
VAD
5V_F
Vad+5V
VSCN_F
16V_F
Vad+5V
VOL
16V_F
27
22
21
23
24
25
26
20
19
SHUNT REG
SEPA PROTECT
SEPA PROTECT
CIRCUIT
CIRCUIT
COMPARATOR
COMPARATOR
INVERTER
SHUNT REG
NAND GATE
SHUNT REG
VOL
16V_F
16V_F
16V_F
VFG
VFG
VFG
VAD
VAD
VSCN_F
SC-BOARD TXNSC11DEK (3/4)
!
11
12
13
14
15
16
17
18
21
22
23
24
25
26
27
28
29
15V_F
16V_F
VFG
VOL
Vsus
Vsus
VAD
72
13.32. SC-Board (4/4) Schematic Diagram
+
+
+
+
+
+
AA_SEL
AB_HIZ
AB_HIZ
VFO
AA_SOS6
AA_OC2
AA_OC1
AA_SIU
AA_CLK
VSCN_F
VSCN_F
15V_F
VAD
C16856
1u
10V
C16861
0.1u
16V
C16843
50V
0.1u
C16724
25V
4.7u
C16844
50V
0.1u
C16797
50V
0.1u
C16857
0.1u
16V
C16860
1u
10V
C16863
50V
0.1u
C16862
1u
10V
C16864
0.1u
50V
C16858
1u
10V
C16723
25V
1u
1u
C16794
10u
10V
10V
C16859
0.1u
50V
C16854
50V
0.1u
*C16417
220V
250u
250u
C16795
25V
470u
C16793
25V
220u
C16813
220V
220u
220u
C16721
50V
82u
82u
C16842
160V
100u
100u
D16713
B0ECHR000001
D16721
B0ECHR000001
D16792
B0ACCJ000048
D16719
B0ECKP000055
D16711
B0ECHR000001
D16875
B0ACCJ000048
D16720
B0ECKP000055
D16859
B0HCKS000002
D16728
B0ECKP000055
D16820
B0ACCJ000048
D16825
DZ2J330M0L
D16821
DZ2J330M0L
D16871
DZ2J240M0L
D16893
DZ2J056H0L
D16712
DZ2J15000L
D16710
DZ2J15000L
D16874
DZ2J051M0L
D16824
DZ2J330M0L
D16872
DZ2J200M0L
C0DBZYY00352
IC16787
4
REFERENCE
3
CATHODE
1
NC
2
ANODE
C0DBZMC00006
IC16793
4
REFERENCE
3
CATHODE
1
NC
2
ANODE
C0DBZYY00352
IC16785
4
REFERENCE
3
CATHODE
1
NC
2
ANODE
C0BBAA000008
IC16792
1
-INPUT
2
GND
3
+INPUT
5
VCC
4
OUTPUT
IC16786
MIP3910MSSCF
1
VDD
2
NC
3
FB
4
LS
5
DRAIN
7
SOURCE
8
SOURCE
IC16784
MIP3910MSSCF
1
VDD
2
NC
3
FB
4
LS
5
DRAIN
7
SOURCE
8
SOURCE
IC16724
C0CBADE00049
OUT
3
2
COMMON
IN
1
SC50
1
2
*SC41
1
2
3
4
5
6
7
8
9
*SC46
1
2
3
4
5
6
7
8
9
*SC42
1
2
3
4
5
6
7
8
9
L16851
G0ZZ00002183
L16472
G0ZZ00002183
L16698
G0C681MA0065
T16471
G4DYA0000200
1
NC
3
S2
4
S1
5
NC
6 P2
10 P1
8 PT
5V
SOS7_SC2
CHA
15V
SCNR_PRO
ZA16421
TUXJ490
TUXJ490
ZA16412
TUXJ490
TUXJ490
ZA16407
K4CD01000011
ZA16404
K4CD01000011
ZA16411
TUXJ490
TUXJ490
ZA16403
K4CD01000011
ZA16401
K4CD01000011
ZA16402
K4CD01000011
ZA16422
TUXJ490
TUXJ490
PC16722
B3PBA0000498
1
2
34
PC16723
B3PBA0000498
1
2
34
PC16897
B3PBA0000498
1
2
34
PC16896
B3PBA0000498
1
2
3
4
TP41
TP45
TP81
TP43
TP79
TP78
TP51
TP57
TP62
TP59
TP61
TP94
TP44
TP42
TP95
TP80
TP96
TP60
TP58
Q16885
B1CFNG000001
Q16931
B1ABCN000007
Q16930
DSC2001Q0L
Q16816
DSC2001Q0L
Q16817
DSC2001Q0L
Q16815
B1ABCN000007
Q16932
DSC2001Q0L
Q16876
B1ABCF000231
R16721
EXB38V220JV
R16825
150k
R16787
33k
R16750
12k
R16798
2.2k
R16799
1k
R16826
10k
R16719
22
R16785
107k
R16937
180k
R16938
180k
R16827
2.2k
R16932
22k
R16773
1k
R16797
22
R16930
2.7
R16783
150k
R16935
5.1k
R16933
10k
R16934
6.8k
R16696
2.2
R16838
100k
R16819
150k
R16844
2.4k
R16919
7.5k
R16852
470k
R16843
1k
R16822
82k
R16860
8.2
R16774
27k
R16751
150k
R16824
33k
R16753
47k
R16786
107k
R16829
1k
R16832
71.5k
R16851
470k
R16820
150k
R16789
10k
R16772
4.7k
4.7k
R16837
1k
R16818
33k
R16849
64.9k
R16831
68.1k
R16931
2.7
R16752
4.7k
R16841
4.7k
R16845
66.5k
R16846
64.9k
R16936
2.2k
R16823
82k
R16755
12k
R16873
2.4k
R16870
68k
1
R16929
R16756
12k
C16460
630V
2200p
C16902
3300p
630V
=
*
*
TPVSCN
VFG
SC46
SC41
SC42
TPSC1
VSCN_F
VFG
VAD
16V_F
15V_F
VSCN
34
33
30
31
32
36
28
35
29
5V_F
SHUNT REG
COMPARATOR
VHIZ GEN.
TPVAD
VAD GEN.
SHUNT REG
VSCN GEN.
SHUNT REG
TO
SM-BOARD
(SM46)
SM-BOARD
(SM46)
TO
SM-BOARD
(SM41)
SM-BOARD
(SM41)
TO
SM-BOARD
(SM42)
SM-BOARD
(SM42)
FOR
FACTORY
USE
FACTORY
USE
VFG
VAD
VSCN_F
!
SC-BOARD TXNSC11DEK (4/4)
5V_F
5V_F
21
22
23
24
25
26
27
28
29
5V_F
5V_F
5V_F
VFG
16V_F
Vsus
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