★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked
⚠
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
R-840/NS-BP300
68
MAIN 3/4
W851
CB801
W801
W805
W804
JK801
5.0
0
0
0.6
5.1
5.1
5.1
3.5
5.0
27.2
0
0
4.6
4.6
27.2
5.5
5.0
0
0
0
0
0
0
0
4.6
5.1
2.9
5.1
3.5
0
0
5.2
0
0
0
2.0
0.6
3.8
0.6
5.2
0
4.3
5.2
4.8
0
0
0
0
5.1
5.1
0
0
5.1
0
2.6
2.6
2.6
2.5
0
0
0
0
0
0
0
0
5.0
5.0
5.0
5.0
5.1
5.1
5.1
5.1
5.1
4.6
4.6
27.3
5.1
5.1
0
0
0
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
INPUT
PRESET
PURE
DIRECT
PHONES
MAIN (3)
MAIN (6)
PURE-
DIRECT
indicator
TIMER
indicator
POWER
indicator
TP
indicator
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Ohm
0
+1.2 k
+91 k
V
0 – 0.2
0.3 – 0.8
4.0 – 5.0
A/D value (5V=1024)
0 – 40
60 – 165
820 – 1023
I-KEY0 (91 pin)
PRESET UP
PRESET DOWN
PURE DIRECT
Summary of Contents for NS-BP300
Page 5: ...5 R 840 NS BP300 R 840 NS BP300 B G models ...
Page 6: ...6 R 840 NS BP300 R 840 NS BP300 NS BP300 C T K A B G L V models ...
Page 7: ...7 R 840 NS BP300 R 840 NS BP300 REAR PANELS C model T model R 840 ...
Page 8: ...8 R 840 NS BP300 R 840 NS BP300 K model A model ...
Page 9: ...9 R 840 NS BP300 R 840 NS BP300 G model B model ...
Page 10: ...10 R 840 NS BP300 R 840 NS BP300 L model V model ...
Page 11: ...11 R 840 NS BP300 R 840 NS BP300 NS BP300 C T K A B G L V models C K A B G L V models T model ...
Page 48: ...48 R 840 NS BP300 R 840 NS BP300 MEMO ...
Page 83: ...83 R 840 NS BP300 R 840 NS BP300 MEMO ...
Page 84: ...R 840 NS BP300 ...