KP-FS57M31/M61/M90/M91
RM-997
– 88–
– 89–
1
A
B
C
D
E
F
G
H
I
K
J
2
12
13
11
10
9
8
7
6
5
4
3
14
15
(4) Schematic Diagram of A1 Board
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO R
AUDIO L
+9V
AUDIO L
AUDIO R
AUDIO L
AUDIO R
+9V
0
3.2
0
3.5
3.5
0
0
0
1.8
2.4
1.0
1.4
0
4.6
4.5
4.6
4.5
0
4.5
4.4
1.7
1.7
1.5
0.6
4.6
4.4
4.3
4.3
4.6
4.5
4.5
0
4.6
4.6
4.6
4.4
0
4.6
1.8
1.7
2.1
2.1
0
4.6
2.7
4.2
4.3
4.6
4.5
4.5
0
4.4
4.4
4.5
4.5
4.1
16V
47
C8203
:CHIP
1/10W
1k
R8204
R8203
1k
1/10W
:CHIP
AMP
16V
:RN-CP
1-10W
2.2k
B:CHIP
6.3V
2.2
B:CHIP
6.3V
2.2
:RN-CP
1/10W
3.3k
:RN-CP
1/10W
2.2k
:RN-CP
1/10W
3.3k
:BP
25V
10
CH:1608
100p
CH:1608
100p
NJM4558M-TE2
16V
470
R8207
R8206
R8205
R8202
R8201
R8200
IC8200
C8205
C8204
C8200
C8202
8
7
6
5
4
3
2
1
R
L
SW
CENTRE
GND
SW
RSW
R IN
R OUT
L OUT
L IN
SW
CENTRE
CENTRE
OUT
IN
OUT
SPACE
IN
SPACE
SPACE
LSW
VCC
CVb
CVa
OUTa
TONE-La
TONE-Ha
BBE2a
BBE1a
INa
GND
SCL
SDA
CLB
AGC
3D4
3D3
3D2
3D1
LF3
LF2
LF1
Vref
OUTb
TONE-Lb
TONE-Hb
BBE2b
BBE1b
CMon
INb
V+
CTL
CTH
CBL
CBH
CSR
SPACE2
SPACE1
CENTER
TS3
TS2
TS1
B-SS896<CH.>-A1.
CN1120
TO A(3/3)BOARD
SW
SW
SEL.
B:CHIP
0.001
AUDIO CONT.
NJW1139
(AUDIO CONTROL)
L/R ATTN
NC
NC
NC
NC
CENTRE SW
NC
SPACE SW
R
L
INb
INa
(ADD:82H)
A GND
+9V
R
L
GND
A GND
R_SW
L_SW
GND
SDA
SCL
GND
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
CN8102
C8232
C8208
C8210
C8233
C8209
C8211
C8291
L8201
C8295
C8226
C8227
C8228
C8229
C8230
C8225
C8224
C8223
C8217
D8217
D8218
Q8101
Q8102
Q8103
R8277
R8278
R8279
C8235
C8236
C8283
C8284
C8285
C8286
C8287
C8207
R8217
R8218
R8219
R8220
R8221
R8222
R8271
R8272
R8273
R8274
R8275
R8276
C8239
C8292
C8296
C8237
C8238
C8281
C8282
C8222
C8293
C8279
C8280
C8288
C8289
C8276
C8277
R8269
R8270
IC8207
C8216
IC8205
N2429
:BTOB
4.7
10V
F:CHIP
4.7
10V
F:CHIP
4.7
10V
F:CHIP
4.7
10V
F:CHIP
4.7
10V
F:CHIP
4.7
10V
F:CHIP
470
16V
100µH
:FLR50
470
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
100 25V
DTC114EUA
DTC114EUA
DTC114EUA
22k
1/10W
:CHIP
22k
1/10W
:CHIP
22k 1/10W :CHIP
MMDL914T1
MMDL914T1
0.001
0.0047 B:CHIP
0.0047 B:CHIP
0.0047 B:CHIP
0.0033 B:CHIP
0.0033 B:CHIP
10
25V
:BP
15k
:CHIP
15k
:CHIP
22k
:CHIP
22k
:CHIP
18k
:CHIP
18k
:CHIP
10k
:CHIP
10k :CHIP
10k
:CHIP
10k :CHIP
10k :CHIP
10k :CHIP
0.1
16V
B:CHIP
0.1
16V
B:CHIP
0.1
16V
B:CHIP
0.22 10V B:CHIP
0.22
10V
B:CHIP
0.22
10V
B:CHIP
0.22 10V B:CHIP
0.33 10V B:CHIP
0.0068 25V B:CHIP
0.01 25V B:CHIP
0.01
25V
B:CHIP
0.033 16V B:CHIP
0.033 16V B:CHIP
0.047 16V B:CHIP
0.047 16V B:CHIP
100 :CHIP
100 :CHIP
470
16V
MC14066BFEL
B:CHIP