1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
PC9501N
3
PC9501N
PC9501N
■
BLOCK DIAGRAM
(ブロックダイアグラム)
Q420
Q418
CN605-1P
LD705
LD701
SP602
2
1
1
2
2 -
2 +
1 +
1 -
SP603
SP601
A ch
B ch
LD702
LD703
NF
NF
+B -B GND
+B -B GND
to CN603,604 (PA RELAY)
IC605,606
Q614,615,
619,
621-623,
FAN
MUTE
MUTE
MUTE
S/B
CN608-1P
IC602-605,
Q627,628,
632,633
Q620,
624-626,
629-631
MUTE
IC401
VR401
VR402
A ATT
B ATT
JK401
JK402
INPUT
SW801
JK801
JK802
IC401
1
3
2
5
6
7
6, 7
72
74
91, 92
56~60
85~89, 102, 104
54
66
4
94, 99
10, 11
95, 96
93, 98
69, 70
6.4512M
Clock
17
5
IC802
JK403
IC402-1/2
IC402-2/2
IC403-1/2
IC403-2/2
*1
*1
*1
*1:IN10 5/5
LD706
SW401
-4/4
IC408 1/2
IC408 2/2
IC406
RY403-1/2
RY403-2/2
RS485
6
4
1
51 RXD0
50
+5D
8
7
5
4
5
4
5
*2
*2
ID6 ID5 ID4 ID3 ID2 ID1 ID0
1
0
1
0
0
0
0
0 : 0V
1 : +5V
AMP ID
DATA PORT
AMPSTATUS
PROTECTSTATUS
LD704
3
1
2
6
7
3
2
2
1
+15V
-15V
IC409-2/2,410-2/2
IC409-1/2,410-1/2
3
1
2
+15V
8
-15V
4
+15V
8
-15V
4
6
7
14
15
+15V
16
-15V
1
+15V
-15V
+5V
X801
+5V
84
IC803,804
T103
+15V
-15V
S/B
BD
(A)
(B)
Q115-117
SW101
JK101
AC IN
CN111
CN112
to CN111
* PC9501N (J)
W101A
W101B
W101C
T101
T102
+27V
Power Supply
REGULATOR
IC107
+5V
REGULATOR
IC108
D113,114,
119,120
D115,116,
121,122
IC105
IC106
PHOTO COUPLER
PH101
+27V
+15V
+27V
D125,126
D131-134
+5V
( +7.6V )
to
PA10 Ach
YE
BL
BR
+27V
+27V
+15V
REGULATOR
+5V
T104
D127,128
to
PA10 Bch
YE
BL
BR
+27V
IC109
D117,118,
123,124
28CA1-8833667