15.42. SC-Board (2 of 2) Schematic Diagram
+
+
+
+
+
+
REF
K
A
+
+
+
REF
K
A
+
+
+
REF
K
A
REF
K
A
AB_FSIU
AB_FCLU
AB_FCLKU
AB_PROU
AB_PROD
AB_FCLKD
AB_FCLD
AB_FSID
R6863
56k
D6820
MA2J11100L
R6610
100k
C6832
50V
3900p
TP59
5V_F
R6680
10
D6764
B0HCKS000002
TP63
TP60
R6608
1k
D6662
MAZ83300ML
R6696
2.2
Q6680
B1ADNF000006
ZA6401
K4CD01000011
VSCN_F
Q6646
2SK399500L
R6648
33
R6662
3k
R6857
120k
D6670
B0JCME000037
Q6601
B1DFES000003
G
D
S
D6827
MAZ83300ML
D6872
MA2J11100L
L6472
G0ZZ00002183
5V
R6793
100
R6791
1k
L6474
G0ZZ00002183
TP50
D6761
B0JCME000037
M1FS4-5063
C6796
25V
220u
R6831
15k
D6661
MA2J11100L
R6807
1.5
Q6806
2SC1473AEA
R6817
2.49k
D6641
B0HCKS000002
D6841
B0HCKS000002
R6878
22k
D6861
MAZ80510LL
R6842
43k
VR6600
1k
1
2
3
R6864
6.8k
C6871
16V
1u
R6612
47
TP41
R6782
47k
R6840
1.5
R6822
100k
C6801
250V
47u
C6842
160V
100u
R6844
100
R6875
3.3k
R6830
100k
C6815
50V
1000p
ZA6402
K4CD01000011
R6647
33
C6775
25V
4.7u
SC45
1
2
3
4
5
6
7
8
9
R6888
220k
R6851
18k
C6791
25V
220u
R6761
10
D6632
MAZ82400ML
D6667
MA2J11100L
D6604
MA2J11100L
D6690
MA2J11100L
16V_F
R6869
4.7k
ZA6403
K4CD01000011
R6879
4.7k
D6665
MAZ80510LL
C6671
25V
4.7u
N0BF1FB00001
IC6791
1
GND
2
GND
3
N.C
.
4
VIN
5
VIN
6
N.C
.
9
COM
10
COM
11
V
OUT
12
V
OUT
TP45
R6668
4.7k
R6812
240k
Q6642
2SK399500L
R6607
6.81k
D6837
MA2J11100L
TP55
R6777
150
R6792
10k
5V
R6853
100
R6665
47
T6602
ETS25AZ169AD
1
S5
2
S4
4
S2
5
S1
7
P1
10 V2
9
V1
3
S3
6
P2
VAD
R6813
10k
TP62
D6497
B0ECHP000003
R6848
10k
C6606
630V
4700p
D6825
MAZ83300ML
R6809
27k
C6845
50V
0.01u
IC6861
C0BBBA000022
1
2
3
4
5
6
7
8
D6806
B0HCKS000002
R6827
200k
R6867
3.9k
IC6671
C0ZBZ0001325
1
Vcc
2
IN
3
GND
4
LO
5
NC
6
VS
7
HO
8
VB
C6803
2kV
220p
PC6801
B3PBA0000223
1
2
34
SOS7_SC2
D6822
MA2J11100L
Q6648
2SK399500L
R6639
1
D6663
MAZ83300ML
R6672
47k
R6843
62k
R6850
68k
R6658
100
R6828
4.7k
R6622
220
R6872
39k
R6671
47
D6773
B0HCKS000002
D1FK70-7063
C6822
400V
47u
R6834
75k
R6862
51k
D6607
MA2J11100L
R6605
1.8k
SOS7_SC2
Q6781
B1ABNF000006
R6821
220
R6837
56k
Q6822
2SD1263AP0LB
SC41
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
A26
A27
A28
A29
A30
B31
B32
B33
B34
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
B35
B36
B37
B38
B39
B40
TP46
Q6671
B1DFDR000001
G
D
S
R6839
4.7k
Q6672
B1DFDR000001
RJK6026DPE-00-J3
G
D
S
R6841
15k
R6642
33
1
R6765
Q6662
2SD0601A0L
C6694
25V
1u
R6762
47k
TP57
C6641
0.22u
250V
R6856
56
R6621
220
R6874
6.8k
C6805
50V
330p
TP64
R6855
10k
Q6603
2SB0709ASL
C6605
630V
4700p
R6825
200k
R6806
1.5
TP42
R6865
3.3k
C6804
250V
10u
D6843
MA2J11100L
D6804
B0ECHP000003
IC6821
C0DBEMC00043
15V
C5HABZZ00165
IC6803
1
Z/C
2
F/B
3
GND
4
Vcc
5
Souce/OCL
7
Vin
9
Dr
ain
TP44
Q6824
2SD0601A0L
C6691
160V
100u
D6643
B0JCME000037
C0ZBZ0001324
IC6752
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
C6621
630V
2200p
VAD
VR6602
5k
1
2
3
R6818
470k
C6662
630V
1000p
D6644
B0HCKS000002
D6624
B0HDSM000005
R6810
1k
SC46
1
2
3
4
5
6
7
8
9
R6789
47k
TP47
Q6665
B1ABNF000006
R6815
270
Q6621
2SK399500L
D6830
MAZ80560HL
R6673
47
C6841
250V
47u
C6862
25V
1u
C6755
25V
4.7u
R6659
220k
5V
D6836
MAZ81500ML
TP43
R6871
39k
C6806
160V
100u
16V_F
R6666
100k
R6646
33
R6801
8.2
SOS7_SC2
VF_GND
D6823
MA2J11100L
D6824
MAZ83300ML
D6619
B0HCKS000002
D6828
MAZ83300ML
R6638
1
Q6782
B1ADNF000006
IC6802
C0DBEMC00043
R6769
75
R6868
22k
R6847
62k
D6605
MAZ80510LL
D6805
MAZ82400ML
R6814
5.6k
Q6647
2SK399500L
R6775
100
VSET2
R6797
16.9k
D6621
B0HDSM000005
D6871
MAZ80510LL
Q6661
B1DEET000002
G
D
S
D6859
B0ECHP000003
C6604
630V
1000p
VSUS
R6833
75k
R6873
39k
D6821
MA2J11100L
C6873
50V
0.01u
C6795
25V
220u
R6860
8.2
1
R6768
IC6871
C0BBBA000022
1
2
3
4
5
6
7
8
R6832
4.7
SC30
1
2
3
4
5
6
7
8
9
10
D6826
MA2J11100L
PC6871
B3PBA0000223
1
2
34
75
R6766
TP40
D6838
B0BC027A0234
R6816
11.5k
R6660
220k
Q6841
2SD1263AP0LB
R6644
33
C6861
16V
1u
R6823
100k
16V_F
D6664
MAZ83300ML
C6823
50V
0.01u
Q6762
B1ADNF000006
C6752
25V
1u
Q6821
2SD1263AP0LB
C6620
630V
2200p
5V_F
C6695
50V
1000p
D6606
B0HCMM000014
VSUS
Q6679
B1ABNF000006
TP51
R6664
2.2k
PC6861
B3PBA0000223
1
2
34
R6788
470k
TP61
C6872
25V
1u
R6681
10
VSET
R6876
560
R6866
620
R6694
27k
R6845
62k
TP49
D6860
D1FK70-7063
Q6690
2SA19610QAHW
D6763
B0ECHP000003
C6753
25V
4.7u
R6674
47
TP53
D6642
B0HCKS000002
Q6805
2SC3063000RL
R6849
68k
R6826
200k
D6766
B0ECHP000003
R6836
75k
16V_F
D6765
B0ECHP000003
C6814
25V
220u
SOS7_SC2
D6666
MA2J11100L
IC6772
C0ZBZ0001325
1
Vcc
2
IN
3
GND
4
LO
5
NC
6
VS
7
HO
8
VB
R6802
10k
R6661
100k
R6667
4.7k
R6886
220k
R6887
220k
L6690
G0ZZ00002183
D6623
B0HDSM000005
TP54
C6756
25V
4.7u
D6692
MAZ82000ML
R6877
3.9k
15V
R6796
100k
Q6791
2SD0601A0L
R6846
62k
TP56
15V
D6809
B0HCMM000014
R6692
4.7k
Q6622
2SK399500L
C6812
25V
4.7u
VSCN_F
D6631
MAZ82400ML
R6835
75k
D6842
MA2J11100L
R6852
2.7k
C6603
630V
1000p
SC42
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
A26
A27
A28
A29
A30
B31
B32
B33
B34
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
B35
B36
B37
B38
B39
B40
D6862
MA2J11100L
C6813
160V
100u
D6839
B0ECHP000003
R6808
2.7k
Q6602
2SD0601AQL
C6811
25V
1u
R6795
100k
15V_F
R6695
120k
R6609
1k
R6824
3.9k
VAD
Q6644
2SK399500L
2W
R6623
33k
VSCN
R6811
10k
C6661
630V
1000p
C6773
25V
4.7u
VSET
D6691
MAZ82000ML
D6791
MAZ82000ML
15V
D6802
B0BC01000044
D6671
B0JCME000037
R6829
100k
R6709
100
IC6841
C0DBEMC00043
R6663
10k
R6861
51k
Q6842
2SC1473AEA
R6693
82k
R6781
47
VF_GND
IC6801
C0DBEMC00043
TP58
R6643
33
TP48
Q6643
2SK399500L
R6891
18k
SC31
1
2
3
4
5
6
C6863
50V
0.01u
FLOATING GND
COLD
COLD
FLOATING GND
COLD
FLOATING GND
m
TPSC1
+
+
-
-
-
-
+
+
INIT-R
SG73P2A
INIT-F
VSET:330V
TPVSET2:14V
TPVAD
TPVSCN
TPVSET
VSCN:145V
VAD:-105V
11
12
16
17
18
14
15
13
10
POWER OSC
DC/DC CONV.
COMPARATOR
COMPARATOR
FET DRIVER
VAD SEPARATE
VAD CONT
FET DRIVER
VAD Gen.
VSCN Gen.
VSET2 Gen.
VSET Gen.
VSET SEP
ARA
TE
OPERATES AT
160V OR MORE AND
125V OR LESS.
Vscn DET
VAD DET
OPERATES AT
91V OR MORE
AND
120V OR LESS
OPERATES AT 21V OR MORE
F16V DET
(Vscn v
olatage)
Vf(High
V
oltage Floting GND)
Vf
o(Vscn Out)
VF5V
Vf
Vf
o(Vscn Out)
Vf
Vf(High
V
o
ltage Floting GND)
VF5V
(Vscn v
olatage)
(SU41)
TO
SU-BOARD
SD-BOARD
(SD42)
TO
TO
(SU45)
SU-BOARD
TO
(SD46)
SD-BOARD
!
OPERATES AT 214V OR LESS
VSET DET
FET DRIVER
7
10
1
4
5
3
9
2
8
6
SC-BOARD TXNSC1HNTU (2/2)
TH-42PX75U
SC-Board (2 of 2) Schematic Diagram
TH-42PX75U
SC-Board (2 of 2) Schematic Diagram
TH-42PX75U
94
Summary of Contents for Viera TH-42PX75U
Page 4: ...1 Applicable signals 4 TH 42PX75U ...
Page 16: ...8 Location of Lead Wiring 8 1 Lead of Wiring 1 16 TH 42PX75U ...
Page 17: ...8 2 Lead of Wiring 2 17 TH 42PX75U ...
Page 18: ...8 3 Lead of Wiring 3 18 TH 42PX75U ...
Page 19: ...8 4 Lead of Wiring 4 19 TH 42PX75U ...
Page 20: ...8 5 Lead of Wiring 5 20 TH 42PX75U ...
Page 24: ...9 4 No Picture 24 TH 42PX75U ...
Page 31: ...11 4 Adjustment Volume Location 11 5 Test Point Location 31 TH 42PX75U ...
Page 33: ...33 TH 42PX75U ...
Page 53: ...15 Schematic and Block Diagram 15 1 Schematic Diagram Note TH 42PX75U 53 ...
Page 102: ...NOTE TH 42PX75U 102 ...
Page 103: ...16 Exploded Views Replacement Parts List 16 1 Exploded Views 103 TH 42PX75U ...
Page 104: ...16 2 Packing Exploded Views Accessories box 104 TH 42PX75U ...
Page 105: ...16 3 Packing Exploded Views Stand 105 TH 42PX75U ...
Page 106: ...16 4 Replacement Parts List Notes 106 TH 42PX75U ...