Yamaha DVX-S200 Service Manual page 85

A B
DVR-S200 SCHEMATIC DIAGRAM (MAIN 4/4)
1
2
s1
0
0
3 4.6
L302
0
SBT-0460TF
4
0
0
5
0
0 0
7
0 13
0
11
3.7
12
14 5.0
6
7
IC301 : TC74HCT00AF (EL)
Quad 2 Input NAND
A1 1 14 V DD
B1 2 13 B4
Y1 3 12 A4
4
A2 11 Y4
B2 5 10 B3
Y2 6 9 A3
V 7 8 Y3
SS
8
C D E
11.9 11.3
1P1.5 1P1.5
L304
BLM21P600SG
11.8
11.8
11.8
0
0
0
0 0
0
2.6
2.5 3.7
5.0
IC302 : NJM2904M
Dual OP-Amp
OUT 1 +V
1 8 CC
–IN 1 2 7 OUT 2
+ – + –
+IN 3 6 –IN
1 2
–V CC 4 5 +IN 2
F G
Reference No
s1 W301
MB10807
W303
FG
0.2
0
5.0
0
5.0
5.0
H I
J U, C, R, K, A, B, G, L
MB10818
EUROPE
J K
DVR-S200/NX-P200
* 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.
85