Sc-Board (3 Of 3) Schematic Diagram - Panasonic TH-50PC77U Service Manual

TH-50PX77U / TH-50PE77U

15.42. SC-Board (3 of 3) Schematic Diagram

11
12
13
FLOATING GND
COLD
VSUS
IC6803
C0DAAMH00005
B0HCKS000002
POWER OSC
D6807
B0HCMM000014
R6803
C6807 C6805
33k
50V 50V
470p
1000p
D6802 R6819
B0BC01000044 680
D6810
R6806 R6807 B0HCMM000014
1.2 1.2
R6820
R6815
3.3k
14
VSCN_F
R6855
10k
Q6806
2SC1473AEA
Q6805
2SC3063000RL
15V_F D6837
R6856 MA2J11100L
56
D6839 D6830
MAZ80560HL
B0ECKP000047
D6838
B0BC027A0234
15
MAZ81500ML
SC-BOARD TXNSC1HMTU (3/3)
!
16
TH-50PX77U/PE77U
SC-Board (3 of 3) Schematic Diagram
19 20
VSET
Q6821
VSET0
R6821
2SD1263AP0LB
220 VSET:330V
D6822
C6822
MA2J11100L R6825 R6829 R6833
400V
D6827 200k 100k 75k
D6824 D6828 47u
MAZ83300ML
MAZ83300ML MAZ83300ML
R6822 R6823 R6826 R6830
100k 100k 200k 100k R6834
75k
Q6822
R6827
15V 2SC3063000RL R6870
200k R6835
100k
75k
R6725
R6824
C6823 D6823 100k
R6836
3.9k 50V 0.01u MA2J11100L
75k
R6882
16.9k
R6726
IC6821 470k D6825
MAZ83300ML
R6831 R6837
15k 56k
C0DBEMC00043
R6828
4.7k
VSET Gen.
SC30
15V
1
Q6841
D6841
2SD1263AP0LB
2 B0HCKS000002
3 SOS7_SC2 L6841 R6844
J0JJC0000015 100 R6846
D6842
R6709 62k
4 MA2J11100L
100
R6842
5 R6841
15k 43k
Q6842 R6847
2SC1473AEA 62k
6
R6853
100
7
R6843
8 62k
D6843
R6848
MA2J11100L
R6845 C6845 10k
9 62k 50V 0.1u
C6841
10
200V R6727
100u 27k
IC6841
VSCN Gen.
C6802
630V C0DBEMC00043
0.022u
R6802
D6803 68k
D6806
B0HCKS000002
VSET0
L6802
J0JJC0000015
C6803 C6804
2kV
10 V2 S5 1 250V
220p
10u
9 V1 S4 2 VSUS
3
S3 Q6803
2SD0814A0L R6858
7 P1 4
S2 1k
6 P2 S1 5 R6812
C6813
R6808 160V D6805 240k
2.7k R6810 MA2J11100L
100u
33k
T6602
ETS25AZ179AD L6801
D6804 R6813
B0ECKP000047
J0JJC0000015 10k
R6811
33k
R6832
D6808
B0HCMM000014 4.7
C6811 VR6600
50V R6728 1k
0.01u 0
D6809
B0HCMM000014
R6814
5.6k
R6809
10k IC6801
0 C6814
25V C6815
50V PC6801
220u C0DBEMC00043
0.1u TPVAD
B3PBA0000223
VAD Gen.
R6857
120k
FLOATING GND
COLD 5V
R6877
3.9k
PC6871
D6821
MA2J11100L
B3PBA0000223
C6832
50V
3900p
SOS7_SC2
R6879
4.7k
D6836 D6872
MA2J11100L R6878
22k
C6873
50V
0.01u
VAD DET
OPERATES AT
AND
21 22
5V
VSET DET
OPERATES AT 214V OR LESS
R6839
4.7k SOS7_SC2
D6826
IC6791
MA2J11100L
Q6824
DC/DC CONV.
2SD0601A0L
15V
C6795
25V
C6791 220u
25V
220u
VSCN
R6849
68k R6860
8.2
TPVSCN
R6850
68k
C6842
160V
100u
R6851
18k D6859
B0ECKP000047
R6852
2.7k
1%
16V_F
TPVSET2:12V
VSET2
C6812
25V
4.7u
D6860
B0HCKS000002
VSCN_F
L6472
G0ZZ00002183
16V_F
IC6871
C0BBBA000022
R6871
COMPARATOR
39k
C6872
25V
R6872
1u
39k
1 8
F16V DET
OPERATES AT 21V OR MORE
2 7 R6875
- + R6873
3.3k
39k R6793 16V_F
100
3 + - 6
Q6791
4 5
2SD0601A0L
R6876 C6871 R6791
560 R6874
16V 1k
6.8k
1u
D6791
D6871
R6792 MAZ82000ML
MAZ80510LL
10k
76V OR MORE
121V OR LESS
23 24
98
TO
SC41
SU-BOARD
2
(SU41)
A40
TO
B40
SU-BOARD
A39 SC45
(SU45)
B39
A38
TP40
B38 1 AB_FSIU
A37
2
B37 TP42
A36
3
B36
AB_FOC1U
4
A35 5V_F
TP036 TP43
B35
5
A34
AB_FCLKU
6
B34
TP44
A33
7
EHMDD9863
B33
AB_FOC2U
8
A32
B32
9
A31
16V_F
B31
A30
B30 TP50
9
C6796 A29
25V
220u
B29 8
TP49
A28
7
AB_FOC2D
B28
TP48
A27 6
B27
5
A26 AB_FCLKD
TP47
B26 4
A25
3
AB_FOC1D
B25
TP45
A24 2
B24
1
AB_FSID
A23
B23
A22
TO
SC46
B22
SD-BOARD
A21
(SD46)
B21
A20
B20
A19
B19
A18
B18
A17 TO
B17 SC42
SD-BOARD
A16 (SD42)
B16
A15
B15 A40
A14 B40
B14 A39
A13 B39
B13 A38
A12 TP037 B38
B12 A37
A11 B37
B11 A36
TP044
A10 B36
B10 A35
TP045
A9 B35
B9 A34
TP046
A8 B34
B8 TP062 A33
TP047
A7 B33
B7 A32
TP048 TP063
A6 B32
B6 A31
A5 B31
B5 A30
A4 B30
B4 A29
A3 B29
B3 A28
A2 B28
B2 A27
A1 B27
B1 A26
B26
1
A25
B25
A24
B24
A23
B23
R6886 A22
220k
B22
A21
R6887
220k B21
A20
R6888
B20
220k
A19
B19
A18
TP049
B18
A17
TP050
B17
A16
TP051
B16
A15
TP052
B15
A14
TP053
B14
A13
TP043
B13
A12
B12
A11
B11
A10
B10
A9
B9
ZA6403 A8
K4CD01000011 5V_F
TP042 B8
A7
B7
ZA6402
A6
K4CD01000011
B6
A5
B5
ZA6401
A4
K4CD01000011
TP28 TP29 TP30 TP31 TP32 TP33 TP34 TP35
B4
A3
B3
A2
B2
A1
B1
TH-50PX77U/PE77U
SC-Board (3 of 3) Schematic Diagram
25 26
AB_FSIU
AB_FOC1U
AB_FCLKU
AB_FOC2U
5V_F
AB_FOC2D
AB_FCLKD
AB_FOC1D
AB_FSID
27