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6-8
1
Main Board Electric Diagram: Video Buffer for DVP3180K/93
A
R103
R104
R105
R106
150/1%
150/1%
150/1%
75/1%
VGND
1/2 current config
V+5V
B
R108
75(1206)
CVB1
Q12
B
8550(DIP)
VGND
R110
NC
V+5V
C
R112
75(1206)
G/Y
Q14
B
8550(DIP)
VGND
R114
NC
D
1
2
3
VVCC3
CVB1
TV_DAC0
2
VGND
G/Y
TV_DAC3
2
B/U
TV_DAC4
2
R/V
TV_DAC5
2
VVCC3
VGND
R107
VGND
1/2 current config
C77
10PF
L30
1UH
CVB1_1
C79
C80
100PF
100PF
R/V
VGND
C83
10PF
L32
1UH
G/Y1
C85
C86
100PF
100PF
VGND
VIDEO DAC
R107
R110
R111
Full Current
390
0
0
Half Current
680
NC
NC
2
3
4
C73
NC
V_BIAS
2
C74
0.1UF
TV0
TV3
CVB
Y
C75
0.1UF
V_COMP
2
C76
0.1UF
CVB
Y
V_REF
2
680/1%
(S-Video)
V_FSADJ
2
CVB
G
V+5V
R109
C78
10PF
75(1206)
L31
1UH
Q13
C81
B
8550(DIP)
100PF
VGND
VGND
R111
NC
V+5V
R113
C84
10PF
75(1206)
L33
1UH
B/U
Q15
C87
B
8550(DIP)
100PF
VGND
VGND
R115
NC
R114
R115
R104
R105
R106
Actual value:37.5R
0
0
75
75
75
NC
NC
150
150
150
4
6-8
5
C73
C74
TV4
TV5
C75
C76
C77
Cb
Cr
C78
C79
C
C80
CVB
C81
(S-Video)
C82
C83
B
R
C84
C85
C86
C87
C88
L30
L31
L32
L33
Q12
Q13
Q14
Q15
R103
R104
R105
R/V1
R106
R107
R108
C82
100PF
R109
R110
R111
R112
R113
R114
R115
B/U1
C88
100PF
5
6
A3
A3
A
A3
A3
B1
B4
B1
B2
B3
B4
C1
C4
C1
C2
C4
C4
B1
B4
C1
C4
B1
B
B3
C1
C3
A1
A1
A1
A1
A3
B1
B3
B1
B3
C1
C3
C1
C3
C
D
6
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