Samsung PS-42D4S Service Manual page 30

Schematic Diagrams
5-4 VPC3230
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VPC_C_MAIN
VPC_Y_MAIN
5-4
+5V_VPC
C401
100uF
9437_NT
C414 C415
220nF 1.5nF
9437_M2
CVBS_TTX
C420 330nF
C422
C424
C426
100pF
C429 C430 C431
100pF 220nF 1.5nF
AV1_BL_IN
+9V_R
D401 D402
SDS7000 SDS7000
2 1 2
R432
3 3
15K
1/16W
R433 R434
15K 15K
1/16W 1/16W
C442
47uF
AV1_B
16V R440
10K
C443
1/16W
47uF
AV1_G
16V
R443
10K
C445
1/16W
47uF
AV1_R_C
16V
R445
10K
1/16W
+9V_R
SDS7000
R412
15K
R413 R405
15K 15K
C421
47uF
COMP1_Pb
16V
R421
10K
C423
47uF
COMP1_Y
16V
R424
10K
C419
47uF
COMP1_Pr
16V
R414
10K
C402 HC-49/SM5H(20.25MHz)
100nF
C403
5pF
X401
R401
R402
C409
100
33 R403 R404
5pF
47 47
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
C411
10uF
GNDF
C413
65
47nF
VRT
C416
66
0.39nF R408
I2CSEL
0 67
ISGND
68
VSUPF
69
IC401
VOUT
70
R415 47
CIN
71
VPC3230D-C5
VIN1
72
1uF R417 47
MAIN
VIN2
73
VIN3
74
1uF R420 47
VIN4
75
VSUPAI
76
GNDAI
C427 R422
77
C428
47nF 1K
0.39nF VREF
78
FB1IN
79
AISGND
80
C434
100uF
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
16V
C435
1.5nF
D403
SDS7000
C437
0.39nF
1 2 1 C438
C436
100nF
220nF
3
C
Q401
B
KSC1623-Y
E
C
Q402
B
R442
KSC1623-Y
1K
E
C
R444
B
1K
Q403
E
KSC1623-Y
R446
1K
D406 D405 D404
SDS7000 SDS7000
2 1 2 1 2 1
3 3 3
C
Q404
B
KSC1623-Y
E
C
Q405
B
KSC1623-Y
R416
E
1K
C
B
R418
Q406
E 1K
KSC1623-Y
R419
1K
FLI2310_MAIN DEINTERLACE
VOUT
HOUT
+3.3V_R
L402
3.3UH
C404
C405 100nF
100uF 25V
16V MO
C408
1nF
48 47 46 45 44 43 42 41
RA401 FLI2310_MAIN DEINTERLACE
47
656(0:7)
Y0
40
Y1
39
Y2
38
Y3
37
C418
VSUPY
36 100nF
GNDY
35
Y4
34
Y5
33
Y6 RA402
32
47
Y7
31
GNDLLC
30
C425
VSUPLLC
29
100nF
LLC1 R423 FLI2310_MAIN DEINTERLACE
28
47
656CLK
LLC2
27
1/16W
VSUPPA
26
C432 C433
GNDPA
47nF 1.5nF
25
17 18 19 20 21 22 23 24
R431
1K
100 R441
ASI_RESET
100 R439
SDA1
100 R438
SCL1
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