Akai ACA-2624, Service Manual

Page: 3 / 16

1 2 3 4 5 6 7 8
A
B
C
D
8 7 6 5 4 3 2 1
D
C
B
A
R108
56K
R105
56K
IC101A
1/2 4558
IC102A
1/2 4558
R101
1K
R103
1K
R106
10K
C102
102(C)
C103
563(M)
R104
10K
R110
56K
C106
104(M)
C107
563(M)
VR103B
C100K
VR101B
B20K
R107
1K
C105
563(M)
C101
4.7uF/50V
R112
10K
R113
10K
R111
1K
R109
68K
R115 1K
R114
22K
C109
104(M)
C108 563(M)
C104
563(M)
VR102B
500KB
VR103D
C100K
HI
OFF
LO
FL
AV4-8.4-13
R208
56K
R205
47K
IC203A
1/2 4558
IC101B
1/2 4558
IC102B
1/2 4558
R201
1K
R203
1K
R206
10K2
C202
102(C)
C203
563(M)
R204
10K
R210
56K
C206
104(M)
C207
563(M)
VR103A
C100K
VR101A
B20K
R207
1K
C205
563(M)
C201
4.7uF/50V
R212
10K
R213
10K
R211
1K
R209
68K
R215 1K
R214 22K
C209
104(M)
C208
563(M)
C204
563(M)
VR102A
500KB
VR103C
C100K
IC203B
1/2 4558
HI
OFF
LO
FR-AMP
FR
AV4-8.4-13
R308
56K
R305
56K
IC303B
1/2 4558
IC301B
1/2 4558
IC302B
1/2 4558
R301
1K
R303
1K
R306
10K
C302
102(C)
C303 563(M)
R304
10K
R310
56K
C306
104(M)
C307
563(M)
VR303B
C100K
VR301B
B20K
R307
1K
C305
563(M)
C301
4.7uF/50V
R312
10K
R313
10K
R311
1K
R309
68K
R315 1K
R314
22K
C309
104(M)
C308
563(M)
C304
563(M)
VR302A
500KB
VR303C
C100K
IC303A
1/2 4558
HI
OFF
LO
RL
AV4-8.4-13
R408
56K
R405
47K
IC403B
1/2 4558
IC301A
1/2 4558
IC302A
1/2 4558
R401
1K
R403
1K
R406
10K2
C402
102(C)
C403
563(M)
R404
10K
R410
56K
C406
104(M)
C407
563(M)
VR303A
C100K
VR301A
B20K
R407
1K
C405
563(M)
C401
4.7uF/50V
R412
10K
R413
10K
R411
1K
R409
68K
R415 1K
R414
22K
C409
104(M)
C408
563(M)
C404
563(M)
VR302B
500KB
VR303D
C100K
IC403A
1/2 4558
HI
OFF
LO
RR-AMP
RR
AV4-8.4-13
RL-AMP
FL-AMP
D
151
1N
4148
R174
1K5
R160
100
R159
100
R158
100 R157
100
R151
22K
C155
15(C)
C156
100uF/25V
R163
560
C158
47(C)
C157
47(C)
R150
5.6K
C152
102(C)
R161
1K
R156
1K
R167
100
R164
100
T154
5401
T153
5401
T151
5551
T152
5551
T156
5551
T155
5401
C161
47(C)
C159
47(C)
R166
1K8
R165
4K7
T157
2N5551
T159
2SA1013
T158
2SC2383
R168
220
R170
0.12/3W
T161
OPEN
T162
KTD718
R171
0.12/3W
R169
OPEN
T166
2N5551
R152
1K
R155
1K
C162
151(C) C151
4.7uF/50V
R172
OPEN
R162
15K
I/P
*
POWER-AMP[FL]
O/P
T100
OPEN
T200
OPEN
R100
OPEN
R200
OPEN
MUTE
T163
TKB688
T165
OPEN
R173
OPEN
R175
30K
T160
OPEN
T164
OPEN
C150
4.7uF/50V
R153
7K5
R154
7K5
C154
10uF/25V
C153
10uF/25V
-15V
+15V
T167
9014 T267
9014
R178
4.
7/
0.
5W
R176
56K
R177
680/
2W
C163
104(M)
D251
1N
4148
R274
1K5
R260
100
R259
100
R258
100 R257
100
R251
22K
C255
15(C)
C256
100uF/25V
R263
560
C258
47(C)
C257
47(C)
R250
5.6K
C252
102(C)
R261
1K
R256
1K
R267
100
R264
100
T254
5401
T253
5401
T251
5551
T252
5551
T256
5551
T255
5401
C261
47(C)
C259
47(C)
R266
1K8
R265
4K7
T257
2N5551
T259
2SA1013
T258
2SC2383
R268
220 R270
0.12/3W
T261
OPEN
T262
KTD718
R271
0.12/3W
R269
OPEN
T266
2N5551
R252
1K
R255
1K
C262
151(C)
C250
4.7uF/50V
R272
OPEN
R262
15K
*
POWER-AMP[FR]
O/P
T263
TKB688
T265
OPEN
R273
OPEN
R275
30K
T260
OPEN
T264
OPEN
R253
7K5
R254
7K5
C254
10uF/25V
C253
10uF/25V
-15V
+15V
R278
4.7/0.5W
R277
680/2W
C263
104(M)
PROTECTION
C251
4.7uF/50V
POWER-AMP(RL]
POWER-AMP(RR]
[SAME AS FL-CH]
[SAME AS FR-CH]
O/P
O/P
PROTECTION
PROTECTION
R276
56K
C160
473(M)
C260 473(M)
C164
100uF/16V
SW101B
SW101A
SW301A
SW301B
IC103B
2/24558
-15V
+15V
C149
104(C)
C249
104(C)
IC103A
1/24558
PROTECTION
SPK01
FRONT OUT
SPK02
REAR OUT
FL-
FL+
FR-
FL+
RL-
RL+
RR-
RR+
C97
OPEN
C99
OPEN
GND
GND
2(G)
3 (S)
1(D)
2(G)
3(S)
1(D)
*
*
*
*
VCC
VCC
VEE
VEE
L101
SHORT
R116
SHORT C112
OPEN
A
A
A
A
A
A
A
A
A
A
A A
A
B
B
B
C111
OPEN
ACA-2624-AMP-PA4-4.SCH
Z101
OPEN
Z102
OPEN
Z201
OPEN
Z202
OPEN
Z301
OPEN
Z302
OPEN
Z401
OPEN
Z402
OPEN
2
3
1
5
6
7
1
2
3
5
6
7
5
6
7
3
2
1
5
6
7
1
2
3
5
6
7
1
2
3
5
6
7
1
2
3
1
2
3
5
6
7
1
2
3
5
6
7