Yamaha DVD-S830 Service Manual page 36

A B
DVD-S830
Q Q
3 7 6 3 1 5 1 5 0
1
VIDEO BLOCK DIAGRAM 2/2
IC3001
(AV DECORDER)
2
A
3
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
5
IC3201
(VIDEO DAC)
VD0 147 1 P0
VD1 148 2 P1
VD2 149 3 P2
6 VD3 150 4 P3
VD4 152 5 P4
VD0-VD7
VD5 153 6 P5
VD6 154 7 P6
VD7 155 8 P7
w w w
7
B
36
C D
MODULE P.C.B. TERMINAL P.C.B.
IC3501
(VIDEO BUFFER)
C CIN
3
Y YIN
5
SCART P.C.B.
Q3241
DAC A 45 AMP
Q3236
DAC B 44 AMP
Q3231
DAC C 41 AMP
Q3226
DAC E 37
AMP
Q3221
DAC F 36
AMP
x a o
. i
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E F
B, G models
IC3501-32
2.0Vp-p(20usec./div.)
C OUT
1.5-6MHz
6dB 75Ω 32
B.P.F.
+
MIX OUT1
6dB 75Ω 30
29
MIX OUT2
6MHz
L.P.F. YOUT1
6dB 75Ω 25
24
Y OUT2
Q Q
3 7
IC3841
(V.SELECT SW.)
R
1 15
Q3811
R
AMP 2
G
4
Q3821
G
AMP 5
Q3831 B
14
B
AMP 12
u 1 6 3
y
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G H
2 4
8 9 9
IC3501-29,30 IC3501-24,25
1.5Vp-p(20usec./div.) 2.0Vp-p(20usec./div.)
C OUT
V OUT
Y OUT
6 3 1 5 1 5 0 8 9
6 4
IC3801
(V/Y SELECT SW)
2
IC3842
(BUFFER)
2 INA OUTA1 15
OUTA2 14
4 INB OUTB1 13
OUTB2 12
7 INC OUTC2 9
OUTC1 10
m
c o
.
I J
2
8 9 9
MAIN SIGNAL
25 24
23 22
26 27
S2-VIDEO
V OUT
2 4 9 8 2 9 9
JK3871
AV 21-PIN
TERMINAL
21
20
V-OUT
19
18
17
16
RED I/O
15
14
13
12
GREEN I/O
11
10
9
8
BLUE I/O
7
6
5
4
3
2
1