Yamaha DVR-S200, Service Manual

Page: 85 / 108

A B C D E F G H
1
2
3
4
5
6
I J K
7
8
DVR-S200/NX-P200
85
■
DVR-S200 SCHEMATIC DIAGRAM (MAIN 4/4)
0
0
2.6
2.5
0
0
0
4.6
0
0
0
0
11.8
11.8
11.8
11.3 11.9
0
0
0
0
3.7
5.0
5.0
5.0
5.0
5.0
0.2
0
0 0
0
0
3.7
EUROPE
13
7
12
14
11
P
age 82 G7
to MAIN (1) CB111
s1
L302
SBT-0460TF
L303
BLM21P600SG
MA8110-M
L304
BLM21P600SG
W303
FG
1P1.5 1P1.5
s1
W301
Reference No J
MB10807
U, C, R, K, A, B, G, L
MB10818
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
IC302 : NJM2904M
Dual OP-Amp
– +
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
A1
B1
A2
V
DD
B4
1
2
3
4 11
Y1 A4
Y4
12
13
14
B2
Y2
B3
A3
5
6
7 V
SS
Y3 8
9
10
IC301 : TC74HCT00AF (EL)
Quad 2 Input NAND