KP-FS57M31/M61/M90/M91
RM-997
– 86–
– 87–
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
(3) Schematic Diagram of A(3/3) Board
+9V
AUDIO L
AUDIO R
AUDIO L
AUDIO R
+9V
+10.5V
9.6
0
0
0
2.6
0
AUDIO L/R
AUDIO L
AUDIO L
-17V
+17V
AUDIO R
AUDIO L/R
AUDIO R
AUDIO R
AUDIO L
0
2.3
0
2.3
-8.4
2.3
0
-16.5
0
10.0
-8.4
-8.4
2.3
0
-16.5
0
10.0
-8.4
0.56
:MPS
:MPS
0.47
65µH
:CHIP
1/10W
1k
R1204
65µH
:MPS
:MPS
TO A3/3,A1/3,2/3_6
TO A3/3,A2/3_26
TO A3/3,A1/3,2/3_16
TO A3/3.A1/3,2/3_17
TO A3/3,A2/3_25
TO A3/3,A1/3_15
TO A3/3,A1/3,2/3_7
TO A3/3,A2/3_24
TO A3/3,A1/3_18
TO A3/3,A1/3,2/3_1
MUTE
CN1932
TO H3 BOARD
TO SPEAKER
CN6504
2.7A
PS1203
2.7A
PS1201
PS1204
D1205
R1238
2.7A
RD9.1SB
PROTECTOR
22k
:CHIP
:CHIP
2.7A
R1287
PS1202
R1261
B-SS896<CH.>-A..-P3
CN8102
TO A3/3,A1/3_21
TO A3/3,A1/3_14
TO A3/3,A1/3_13
MUTE CONT.
MUTE
TO A3/3,A1/3_11
MUTE
MUTE
MUTE
CN1800
(AUDIO AMP)
SPACE SW
NC
CENTRE SW
NC
NC
ATTN L/R
NC
NC
A GND
R
+9V
L
GND
A GND
R_SW
L_SW
GND
SDA
SCL
GND
TO A1 BOARD
A(3/3)
TO G BOARD
+17VCC
GND(AUDIO)
-17VCC
-17VCC
GND(AUDIO)
+17VCC
AU GND
HP MUTE
PULL UP
TO H2 BOARD
GND HP
L HP
L
R
R HP
(ASF)
(ASF)
(SXE)
(SXE)
-VCC
-VCC
-VCC
GND
-VCC
-VCC
-VCC
GND
AUDIO GND
AUDIO GND
BOOT
BOOT
VCC
VREG
VCC
MODE
IN
F/C
FREQ
NC
B/D
OUT
VCC
VREG
VCC
MODE
IN
F/C
FREQ
NC
B/D
OUT
R SP
L SP
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
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
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
C1243
C1246
C1249
C1251
C1252
C1253
C1245
C1242
C1247
C1255
C1258
C1260
C1262
C1263
C1264
C1265
C1259
C1267
R1260
C1270
C1271
C1219
C1220
C1272
C1221
C1274
C1273
R1280
C1276
R1281
C1275
C1256
C1214
C1215
C1283
C1284
D2200
D2201
C2205
C1216
C1217
R1288
R1289
R1290
IC1203
R1236
L1202
IC1204
R1246
L1203
C1244
C1248
FB1207
FB1208
FB1205
FB1206
C1241
C1277
C1279
C1281
C1282
L1201
C1268
C2201
C2200
C326
C301
CN1293
C2202
CN1120
C2206
L1204
L1205
C1297
C1298
C2204
C2203
IC2200
C2209
Q301
Q313
Q1206
Q1207
Q1209
Q1210
Q1211
R301
R302
R303
R1205
R1206
R1207
R1208
R1237
R1239
R1240
R1244
R1247
R1252
R1264
R1265
R1266
R1267
R1270
R1271
R1272
R1273
R1275
R1276
R1277
R2200
R2201
R2202
R2203
R2204
R2205
R2206
R2207
R2208
R2209
R2210
R2211
R2212
R2213
R2214
R2215
R2216
R2217
R3212 R3213
R3214
Q1205
Q2200
Q2201
D001
D301
D302
D317
D1208
D1209
R1269
R1286
CN1201
0.1
B:CHIP
0.47
16V
B:CHIP
0.001
B:CHIP
0.0047
B:CHIP
100p
CH:CHIP
0.1
B:CHIP
0.1
B:CHIP
0.1
B:CHIP
0.1
B:CHIP
0.001
B:CHIP
0.1
B:CHIP
0.47
16V
B:CHIP
0.001
B:CHIP
0.0047
B:CHIP
100p
CH:CHIP
0.1
B:CHIP
0.1
B:CHIP
0.001
B:CHIP
330
:CHIP
680p
B:CHIP
330
:CHIP
680p
B:CHIP
2.2
2.2
470
25V
100
16V
0.1
B:CHIP
0.1
B:CHIP
330
:CHIP
680p
B:CHIP
330
:CHIP
680p
B:CHIP
470
470
2200p
CH:CHIP
2200p
CH:CHIP
RD9.1SB
PROTECT
RD9.1SB
PROTECT
2.2
6.3V
B:CHIP
2200
25V
2200
25V
330
330
:CHIP
330
:CHIP
330
:CHIP
TDA7481
L-AMP
2200
2200
0.1
B:CHIP
2200p
CH:CHIP
2200p
CH:CHIP
0.1
B:CHIP
0.1
B:CHIP
100µH
0.47
10
10
10
1000
16V
10P
WHT
:S-MICRO
10
20P
:BTOB
10
65µH
65µH
0.56
2.2
6.3V
B:CHIP
4.7
NJM4560M-TE2
SUB-HP-AMP
470
2SA1576A
2SC4081T10
2SC4081T10
MUTING
2SC4081T10
MUTING
2SC4081T10
2SC4081T10
2SA1576A
470k
:CHIP
47k
:CHIP
47k
:CHIP
47k
:CHIP
47k
:CHIP
10k
:CHIP
10k
:CHIP
33k
:CHIP
5.6k
:CHIP
33k
:CHIP
4.7k
:CHIP
33k
:CHIP
4.7k
:CHIP
470
:CHIP
470
:CHIP
1k
:CHIP
15k
:CHIP
47k
:CHIP
1k
:CHIP
1k
:CHIP
4.7k
:CHIP
22k
:CHIP
22k
:CHIP
10k
:CHIP
68
:CHIP
4.7k
:CHIP
4.7k
:CHIP
68
:CHIP
10k
:CHIP
100k
:CHIP
680k
:CHIP
3.9k
:CHIP
4.7k
:CHIP
680k
:CHIP
47k
:CHIP
100k
:CHIP
10k
:CHIP
47k
:CHIP
47k
:CHIP
47k
:CHIP
4.7k :CHIP
4.7k :CHIP
0
:CHIP
0
:CHIP
0
:CHIP
DTC144EKA
DTC144EKA
MUTE
DTC144EKA
MUTE
MMDL914T1
MMDL914-T1
MMDL914-T1
MMDL914-T1
MMDL914-T1
MMDL914-T1
100
:CHIP
1.1UH
1.1UH
1.1UH
1.1UH
12k
:RN-CP
12k
:RN-CP
10k
:CHIP
6P
RED
:S-MICRO
TDA7481
R-AMP
SP PROT
+10.5V
MUTE
STBY MUTE
+9V
R_SW
L_SW
DSP
A GND
SCL
SDA
+3.3V-DIGITAL
CENTRE SW
SPACE SW
ATTN L/R
L SP
G LSP
R
R SP
G LSP
L SP
R
L
L
R
G RSP
R SP
L