Sc-Board (2 Of 2) Schematic Diagram - Panasonic TH-42PX75U Service Manual

TH-42PX75U

15.42. SC-Board (2 of 2) Schematic Diagram

1
SC-BOARD TXNSC1HNTU (2/2)
!
IC6803
C5HABZZ00165
R6802
10k
C6814
25V
220u
R6832
4.7
C6805 R6808
50V 2.7k
330p
D6809
B0HCMM000014
15V
D6497 R6768
B0ECHP000003 1
D6765
B0ECHP000003
D6766
2
R6765 B0ECHP000003
1
NC
HO
9 8 C6755
25V R6766
4.7u
75
NC
10 VB 7
C6756
R6638 25V
4.7u
1
VCC
11 VS 6
D6764
B0HCKS000002
HIN
3
12 NC 5
C6752
25V
1u NC
NC
13 4
C6753
25V R6769
4.7u 75
LIN
4
VCC2
14 3
R6639 D6761
1
GND R6761 B0JCME000037
15 Vcom 2 10 M1FS4-5063
D6763
B0ECHP000003
NC
16 LO 1
R6762
47k
5
Q6762
B1ADNF000006
6
Q6781
B1ABNF000006
R6781
47
R6782
47k
16V_F
D6773
Q6782
R6777 B0HCKS000002
150 D1FK70-7063 B1ADNF000006
7
SG73P2A
C6773
25V
D6661 C6661 C6662
4.7u
1 Vcc 8 630V 630V
MA2J11100L
VB 1000p 1000p
C6775
25V
4.7u
2 IN 7 MAZ83300ML
8
HO R6663
VR6602
10k
5k
Q6662
3 6
GND R6662 2
2SD0601A0L
VS 3k
3 1
4 5
LO INIT-F
NC
D6665
R6661 D6666
MAZ80510LL MA2J11100L
IC6772 100k
R6667
C0ZBZ0001325 4.7k
9
R6668
Q6665
FET DRIVER 4.7k
B1ABNF000006
VAD SEPARATE
10
TH-42PX75U
SC-Board (2 of 2) Schematic Diagram
10 11
IC6791
DC/DC CONV.
N0BF1FB00001
15V
C6791
25V
220u
D6806
FLOATING GND
B0HCKS000002
COLD
VSUS
C6804
VSUS
250V
10u
R6801 C6801
8.2
POWER OSC 250V
47u
D6841
B0HCKS000002
C6841
10 V2 S5 1 250V
47u
9 V1 S4 2
3
S3
+ C6813
7 P1 4
C6803 S2 160V
2kV
100u
220p 6 P2 S1 5
D6804
C6811
B0ECHP000003
T6602 25V
1u
ETS25AZ169AD
R6809
R6818
27k
470k
R6806 R6840 D6802
1.5 1.5 B0BC01000044
R6807
1.5 PC6801
B3PBA0000223
C6815
R6891 R6810 D6805
50V
18k 1k
1000p MAZ82400ML
L6472
IC6801
G0ZZ00002183
R6811
10k C0DBEMC00043
VAD Gen.
D6604
D6631 D6606 R6609
MA2J11100L MAZ82400ML B0HCMM000014 1k
D6632 C6603 C6604
INIT-R MAZ82400ML 630V 630V
1000p 1000p R6608
1k
Q6602
R6607 D
2SD0601AQL
6.81k
G
R6612
47
R6605
D6605
1.8k
MAZ80510LL
R6610 D6607
100k MA2J11100L
Q6603
2SB0709ASL
D6670 Q6621
Q6622
R6680
B0JCME000037
10 2SK399500L 2SK399500L
R6623
R6622 D6621 D6623 D6624
R6621 33k
220
220
B0HDSM000005 B0HDSM000005 B0HDSM000005
2W
R6681
10
D6671
B0JCME000037
Q6642 Q6643 Q6644 Q6646 Q6647
2SK399500L 2SK399500L 2SK399500L 2SK399500L 2SK399500L
R6642 R6643 R6644 R6646 R6647
33 33 33 33 33
D6643
B0JCME000037
1 Vcc 8
C6671 VB
25V
4.7u
D6662 D6664 R6664
Q6671
2.2k 2 IN 7
MAZ83300ML
HO B1DFDR000001
D6663 R6775
MAZ83300ML 100
Q6679
3 6
GND B1ABNF000006
VS
R6673
D
R6665 47
47
4 5 R6671
LO G
S NC 47
G
IC6671
R6666 D6667
MA2J11100L R6672
100k
C0ZBZ0001325 47k
Q6661
Q6680
FET DRIVER
B1DEET000002 B1ADNF000006
VAD CONT
12 13
VSET
Q6821
VSET:330V
R6821 D6822
2SD1263AP0LB
220 MA2J11100L
16V_F
TP64
R6829 R6825
TPVSET
100k 200k
D6828 D6824
R6822
C6795 C6796 MAZ83300ML MAZ83300ML
VAD 100k
25V 25V D6827
220u 220u R6830 R6826
R6823 MAZ83300ML
D6823 100k 200k L6474
100k
MA2J11100L
G0ZZ00002183
Q6822
C6822
2SD1263AP0LB R6795 R6827
15V
100k 200k 400V
47u
C6823 D6619
R6824 R6796 R6797
50V B0HCKS000002
3.9k 0.01u 100k 16.9k
R6788
470k
R6828
R6831
IC6821 4.7k
15k
C0DBEMC00043
VSET Gen.
VSCN
Q6841
2SD1263AP0LB
R6844 VSCN:145V
100 D6842
MA2J11100L
R6846 R6849
62k 68k
R6841 TPVSCN
15k R6842
43k
R6847 R6850
D6843
R6812
MA2J11100L 62k 68k
240k R6860
8.2
Q6842
2SC1473AEA R6851
C6842
R6813 18k
160V
10k R6843 R6845
100u
62k 62k
C6845 D6859
50V B0ECHP000003
VR6600 0.01u
IC6841
R6848
1k
R6789 10k
47k
C0DBEMC00043
VAD
R6814 VSCN Gen. R6852
5.6k 2.7k
VAD:-105V
TPVAD
SC30
D6860
15V
D1FK70-7063
1
2
3
R6709
4
100
SOS7_SC2
5
6
C6620
R6853
630V
100 7
2200p
VF_GND
8
C6621
630V
2200p 9
10
Q6601
S B1DFES000003
SC31
R6867 D6820
5V 3.9k MA2J11100L
1
IC6861
PC6861
2
C0BBBA000022
B3PBA0000223
3
SOS7_SC2
4
VSET
R6869
4.7k 1 8
5
2 - + 7
D6862
6
MA2J11100L R6868
22k
3 + - 6
COLD
4 5
FLOATING GND
C6605 C6606
630V 630V COMPARATOR
4700p 4700p
C6863
C6641
Q6648 R6659 D6861
250V 50V
220k MAZ80510LL
0.22u 0.01u
2SK399500L
R6648
R6658 Vscn DET
33 R6660 D6644
100
220k B0HCKS000002 OPERATES AT
160V OR MORE AND
125V OR LESS.
D6641
B0HCKS000002
D6642
B0HCKS000002
R6877
D6821
5V
3.9k MA2J11100L
IC6871
PC6871
C0BBBA000022
B3PBA0000223
SOS7_SC2
Q6672
R6879
1 8
B1DFDR000001 4.7k
RJK6026DPE-00-J3
2 - + 7
D6872
R6878
D D MA2J11100L 22k
R6674 3 + - 6
47
S S COLD 4 5
G
FLOATING GND
COMPARATOR
VAD C6873
50V D6871
0.01u MAZ80510LL
C6806 VAD DET
160V
OPERATES AT 91V OR MORE
100u
AND 120V OR LESS
14 15
94
A40
B40
A39
B39
A38
B38
VSET DET
A37
R6833 OPERATES AT 214V OR LESS
75k B37
5V SOS7_SC2
A36
TP44
B36
R6834
75k
A35
R6839
B35
4.7k
A34
R6835
75k B34
D6826
MA2J11100L A33
B33
R6836
75k A32
Q6824
B32
2SD0601A0L
A31
R6837 B31
56k
A30
B30
D6825 A29
MAZ83300ML
B29
A28
B28
A27
B27
A26
16V_F
B26
A25
TPVSET2:14V B25
R6815
VSET2
270 A24
TP53
B24
A23
B23
A22
B22
A21
R6816
11.5k C6812 B21
25V
A20
4.7u
B20
A19
R6817
2.49k
B19
A18
IC6802 B18
A17
C0DBEMC00043
B17
A16
VSET2 Gen.
B16
A15
B15
A14
B14
A13
VSCN_F TPSC1
B13
A12
B12
L6690 R6696
G0ZZ00002183
2.2 A11
C6691 B11
160V
100u A10
B10
A9
B9
D6691 D6692
A8
MAZ82000ML MAZ82000ML
B8
C6694 R6692 D6690
A7
25V 4.7k MA2J11100L
1u B7
Q6690
2SA19610QAHW A6
B6
15V_F R6694
C6695 R6693
A5
50V 27k 82k
1000p B5
A4
B4
R6861 R6855 R6857
A3
51k 10k 120k
B3
A2
Q6805
R6862 R6695 B2
51k 120k 2SC3063000RL
Q6806 A1
2SC1473AEA B1
R6865 R6863
3.3k 56k
D6837
R6856 MA2J11100L SC41
56
TO
R6866
SU-BOARD
620 C6861
D6830
16V R6864 D6839
MAZ80560HL (SU41)
C6862 1u 6.8k B0ECHP000003 C6832
25V 50V
D6838 D6836
1u 3900p
MAZ81500ML
B0BC027A0234
16V_F
R6871
39k
R6872
39k
R6875 R6873
3.3k 39k
Q6791
R6793
2SD0601A0L
100
R6876
560
R6874 R6791
D6791
6.8k
1k MAZ82000ML
C6872 C6871
25V 16V R6792
1u 1u 10k
F16V DET
OPERATES AT 21V OR MORE
TH-42PX75U
SC-Board (2 of 2) Schematic Diagram
16 17
TO
SU-BOARD
SC45
(SU45)
TP45
TP40
AB_FSIU
1
2
TP41
3 AB_FCLU
4
TP42 AB_FCLKU
5
6
5V_F TP43
7 AB_PROU
8
9
ZA6403
K4CD01000011
ZA6402
K4CD01000011
ZA6401
K4CD01000011
TP50
9
8 TP49
AB_PROD
7
TP54
6
TP48
AB_FCLKD
TP55
5
4
TP47
TP56 AB_FCLD
3
TP57
2
TP46
AB_FSID
TP58 1
SC46
TO
SD-BOARD
(SD46)
A40
B40
A39
B39
A38
B38
A37
B37
A36
B36
A35
B35
VSCN_F
A34
B34
A33
B33
A32
B32
A31
B31
A30
B30
A29
B29
A28
B28
A27
B27
A26
B26
A25
B25
A24
B24
A23
B23
A22
B22
A21
B21
A20
VF_GND B20
A19
B19
A18
B18
R6886
220k A17
B17
R6887 A16
220k
TP59
B16
A15
R6888
TP60
220k B15
A14
TP61 B14
A13
TP62 B13
A12
TP63 B12
A11
B11
A10
B10
A9
B9
A8
5V_F
B8
A7
B7
A6
B6
A5
TP51 B5
A4
B4
A3
B3
A2
B2
A1
B1
SC42
TO
SD-BOARD
(SD42)
18