Akai ACA-2202 User manual

SERVICE MANUAL
ACA-2202
POWER AMPLIFIER

IC102A IC103B IC103A POWER
AMP
SW101B
L-OUT R-OUT
31
LPF
HPF
OFF
31
75
VR102B VR104A VR103A
IC102B IC203B IC203A SW101A
5757
LPF
HPF
OFF
31
75
VR102A VR104B VR103B
CROSSOVER
@ 50Hz
+12V
D.C.
REM
F01
T07 T08
T01-04
T09,T10
T11-T16
T100
T200
T01
IC02 IC03
VEE
VCC
+/-15
T17 T166,T167
T266,T267
PROTECT
MUTE CONTROL
TRANS & REGULATOR
POWER
REGULATOR
IC01
POWER
CONTROL
L-IN
R-IN VR101A
VR101B IC101A
INPUT
AMP
IC101B
21
BOOST0-12dB
30Hz-5KHz 12dB/OCT VARIABLE
T151-T157
T158-T161
T162-T165
POWER
AMP
T251-T257
T258-T261
T262-T265
Circuitry Frame ACA-2202
T22,T23

12345678
A
B
C
D
8
7654321
D
C
B
A
R10856K
R105
56K
IC101B
1/2 4558 IC102B
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)
VR104A
C100K
VR101B
B20K
R107
1K
C105
563(M)
C101
4.7uF/50V
R112
10K
R113
10K
R111
1K
R109
68K
R115 1K
R11422K
C109
104(M)
C108 563(M)
C104
563(M)
VR102B
B500K
VR103A
C100K
HI
OFF
LO
LI
AV4-8.4-13
R208 56KR205
47K
IC203B
1/2 4558
IC101A
1/2 4558
IC102A
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)
VR104B
C100K
VR101A
B20K
R207
1K
C205
563(M)
C201
4.7uF/50V
R212
10K
R213
10K
R211
1K
R209
68K
R215 1K
R21422K
C209
104(M)
C208
563(M)
C204
563(M)
VR102A
500KB
VR103B
C100K
IC203A
1/2 4558
HI
OFF
LO
R-AMP
RI
AV4-8.4-13
L-AMP
D151
1N4148
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
OPEN
T158
OPEN
R168
OPEN
R170
OPEN
T161
A1013
T162
OPEN
R171
OPEN
R169
220
T166
2N5551
R152
1K
R155
1K
C162
151(C)
C151
4.7uF/50V
R172
0.12/3W
R162
15K
I/P
*
POWER-AMP[L]
O/P
T100
OPEN
T200
OPEN
R100
OPEN
R200
OPEN
MUTE
T163
OPEN
T165
TKB688
R173
0.12/3W
R175
30K
T160
2SC2383 T164
TKD718
C150
4.7uF/50V
R153
8K2
R154
8K2
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
1N4148
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
OPEN
T258
OPEN
R268
OPEN
R270
OPEN
T261
A1013
T262
OPEN
R271
OPEN
R269
220
T266
2N5551
R252
1K
R255
1K
C262
151(C)
C250
4.7uF/50V
R272
0.12/3W
R262
15K
*
POWER-AMP[R]
O/P
T263
OPEN
T265
TKB688
R273
0.12/3W
R275
30K
T260
2SC2383 T264
TKD718
R253
8K2
R254
8K2
C254
10uF/25V
C253
10uF/25V
-15V
+15V
R278
4.7/0.5W
R277
680/2W
C263
104(M)
PROTECTION
C251
4.7uF/50V
R276
56K
C160
473(M)
C260
473(M)
C164
100uF/16V
SW101B
SW101A
IC103A
1/2 4558
-15V
+15V
C149
104(C)
C249
104(C)
IC103B
1/2 4558
PROTECTION
SPK01
SPEKER OUT
L-
L+
R-
R+
2(G) 3 (S)
1(D)
2(G) 3(S)
1(D)
ACA-2202-AMP-PA2-4.SCH
*
*
*
*
VEE
VEE
VCC
VCC
L101
SHORT
R116
SHORT
C112
OPEN
A
A
A
A
A
A
A
C111
OPEN
I/P
Z101
OPEN
Z102
OPEN
Z201
OPEN
Z202
OPEN
LO
AV4-8.4-13
RO
AV4-8.4-13
6
57
3
21
3
21
5
67
5
67
3
21
3
21
5
67

1 2 3 4 56
A
B
C
D
6
54321
D
C
B
A
C17
104(C)
C05
102(M)
D01
1N4148
C07
100U/25V
C04
100U/16V
C06
100U/16V
LED01
SAM3270
T01
9015C T02
9015C
R13
27K
R04
68K
R02
4K7
t
TH01
50KTH
T05
9014C
15A
F01
T15
OPEN
T12
FQP50N06
TR01
362315-20702
2IN+ 16
2IN- 15
Ref 14
OUT 13 VCC 12
C2 11
E2 10 E1 9
C1
8
GND
7
RT
6
CT
5
DTC
4
Fback
3
1IN-
2
1IN+
1
IC01
KIA494AP
R12
1K
R14
15K
C02
47U/16V
C01
100U/16V
R06
10K
R01
4K7
T07 2SA1013
T09 9015C
T10
9015C
R05
10
R03
10k
C12
10U/25V
C03
100U/16V
R25
10K
R26
220
C16
2200U/25V"RX"
R27
220
R47
47
C15
2200U/25V"RX"
R33
OPEN
D03
1N4148
D02
1N4148
T14
OPEN
T19
FQP50N06
C11
104(C)
R28
1K
R29
1K
R32
47
R24
1K2
R45
OPEN
C14
104(C)
R15
130KF(1%)
R17
10 1/2W
R23 51K
R22
1K2
C13
473(C)
T06
9014C
T08
9014C
R21
4K7
R19
4K7
R44
10K
R16
51KF(1%)
R18
4K7
R20
10K D04
1N4004
L02
CL-310 8T 1.8uH
C35
OPEN
C52
104(C)
C51
104(C)
C50
104(C)
D17
1N5404
+12V
REM
GND
P01
JSZ3-06C
15A
R35
OPEN
R34
OPEN
C18
OPEN
C19
OPEN
L03
SHORT
T17
OPEN
R39
10K/0.5W
R42
OPEN
C33
OPEN
C34
OPEN
R40
10K/0.5W
R41
OPEN
C30
3300U/50V
R43
OPEN
C29
3300U/50V
C28
OPEN
C32
104(C)
C27
OPEN
C31
104(C)
C22
220U/25V
C23
220U/25V
C25
104(C)
L01
SHORT
D15
OPEN
D16
OPEN
MUTE
VCC
VEE
D06 FR154
D05 FR154
D07 FR154
D08 FR154 R36
*330 2W
R37
*330 2W
C24
104(C)
+15V
-15V
G
S
D
3
1
2
C20
4U7/50V
G
2
O3 I
1
IC02
OPEN
G1
O3 I
2
IC03
OPEN
C21
4U7/50V
C36
OPEN
C37
OPEN
C26
OPEN
R38
OPEN
ACA-2202-POWER-PA2-4.SCH
Z1
1N4744
Z2
1N4744
JUMPER
JUMPER
D13
C25-02C
D12
C25-02N
C08
104(C)
R07
1K
R11
15K
C09
10U/25V C10
47U/50V
R10
15K
R08
22K T04
5401
PROTECTION
R09
33K
T03
9014C
T22
9015C
T23
9014C
JP3
OPEN
R48
56K

PA2-4.PCB F060210

Block No. 01
! Item Parts number Parts name Remarks ! Item Parts number Parts name Remarks
C01 ELE 100U/16V CAPACITOR C249 CER 0.1U/50V CAPACITOR
C02 ELE 47U/16V CAPACITOR C25 CER 0.1U/50V CAPACITOR
C03 ELE 100U/16V CAPACITOR C250 ELE 4.7U/50V CAPACITOR
C04 ELE 100U/16V CAPACITOR C251 ELE 4.7U/50V CAPACITOR
C05 MAL 0.001U/100V CAPACITOR C252 CER 1000P/100V CAPACITOR
C06 ELE 100U/16V CAPACITOR C253 ELE 10U/25V CAPACITOR
C07 ELE 100U/25V CAPACITOR C254 ELE 10U/25V CAPACITOR
C08 CER 0.1U/50V CAPACITOR C255 CER 15P/500V CAPACITOR
C09 ELE 10U/25V CAPACITOR C256 ELE 100U/25V CAPACITOR
C10 ELE 47U/50V CAPACITOR C257 CER 47P/500V CAPACITOR
C101 ELE 4.7U/50V CAPACITOR C258 CER 47P/500V CAPACITOR
C102 CER 1000P/100V CAPACITOR C259 CER 47P/500V CAPACITOR
C103 MAL 0.056U/100V CAPACITOR C260 MAL 0.047U/100V CAPACITOR
C104 MAL 0.056U/100V CAPACITOR C261 CER 47P/500V CAPACITOR
C105 MAL 0.056U/100V CAPACITOR C262 CER 150P/100V CAPACITOR
C106 MAL 0.1U/100V CAPACITOR C263 MAL 0.1U/100V CAPACITOR
C107 MAL 0.056U/100V CAPACITOR C29 ELE 3300U/50V CAPACITOR h<26mm
C108 MAL 0.056U/100V CAPACITOR C30 ELE 3300U/50V CAPACITOR h<26mm
C109 MAL 0.1U/100V CAPACITOR C31 CER 0.1U/50V CAPACITOR
C11 CER 0.1U/50V CAPACITOR C32 CER 0.1U/50V CAPACITOR
C12 ELE 10U/25V CAPACITOR C50 CER 0.1U/50V CAPACITOR
C13 CER 0.047U/50V CAPACITOR C51 CER 0.1U/50V CAPACITOR
C14 CER 0.1U/50V CAPACITOR C52 CER 0.1U/50V CAPACITOR
C149 CER 0.1U/50V CAPACITOR D01 1N4148 GE DIODE
C15 ELE 2200U/25V "RX" CAPACITOR h<26mm D02 1N4148 GE DIODE
C150 ELE 4.7U/50V CAPACITOR D03 1N4148 GE DIODE
C151 ELE 4.7U/50V CAPACITOR D04 1N4004 DIODE
C152 CER 1000P/100V CAPACITOR D05 FR154 DIODE
C153 ELE 10U/25V CAPACITOR D06 FR154 DIODE
C154 ELE 10U/25V CAPACITOR D07 FR154 DIODE
C155 CER 15P/500V CAPACITOR D08 FR154 DIODE
C156 ELE 100U/25V CAPACITOR D12 02C DIODE FAST RECOVERY
C157 CER 47P/500V CAPACITOR D13 02N DIODE FAST RECOVERY
C158 CER 47P/500V CAPACITOR D151 1N4148 GE DIODE
C159 CER 47P/500V CAPACITOR D17 1N5404 DIODE 400V/3A
C16 ELE 2200U/25V "RX" CAPACITOR h<26mm D251 1N4148 GE DIODE
C160 MAL 0.047U/100V CAPACITOR F01 BXS-03A FUSE HOLDER GOLD PLATED
C161 CER 47P/500V CAPACITOR FUSE01 ZH270-15A AUTO FUSE
C162 CER 150P/100V CAPACITOR IC01 KIA494AP I.C
C163 MAL 0.1U/100V CAPACITOR IC101 JRC4558 I.C
C164 ELE 100U/16V CAPACITOR IC102 JRC4558 I.C
C17 CER 0.1U/50V CAPACITOR IC103 JRC4558 I.C
C20 ELE 4.7U/50V CAPACITOR IC203 JRC4558 I.C
C201 ELE 4.7U/50V CAPACITOR L02 CL-310,1.8uH INDUCTOR 8T
C202 CER 1000P/100V CAPACITOR LED01 SAM3270∮3LED
C203 MAL 0.056U/100V CAPACITOR P01 JSZ3-06C POWER INPUT JACK GOLD PLATED
C204 MAL 0.056U/100V CAPACITOR R01 CAR 4.7KΩ1/4W RESISTOR
C205 MAL 0.056U/100V CAPACITOR R02 CAR 4.7KΩ1/4W RESISTOR
C206 MAL 0.1U/100V CAPACITOR R03 CAR 10KΩ1/4W RESISTOR
C207 MAL 0.056U/100V CAPACITOR R04 CAR 68KΩ1/4W RESISTOR
C208 MAL 0.056U/100V CAPACITOR R05 CAR 10Ω1/4W RESISTOR
C209 MAL 0.1U/100V CAPACITOR R06 CAR 10KΩ1/4W RESISTOR
C21 ELE 4.7U/50V CAPACITOR R07 CAR 1KΩ1/4W RESISTOR
C22 ELE 220U/25V CAPACITOR R08 CAR 22KΩ1/4W RESISTOR
C23 ELE 220U/25V CAPACITOR R09 CAR 33KΩ1/4W RESISTOR
C24 CER 0.1U/50V CAPACITOR R10 CAR 15KΩ1/4W RESISTOR
ACA-2202
Electrical parts list（MAIN PCB）
Electrical parts list / ACA-2202

Block No. 02
! Item Parts number Parts name Remarks ! Item Parts number Parts name Remarks
R101 CAR 1KΩ1/4W RESISTOR R208 CAR 56KΩ1/4W RESISTOR
R103 CAR 1KΩ1/4W RESISTOR R209 CAR 68KΩ1/4W RESISTOR
R104 CAR 10KΩ1/4W RESISTOR R21 CAR 4.7KΩ1/4W RESISTOR
R105 CAR 56KΩ1/4W RESISTOR R210 CAR 56KΩ1/4W RESISTOR
R106 CAR 10KΩ1/4W RESISTOR R211 CAR 1KΩ1/4W RESISTOR
R107 CAR 1KΩ1/4W RESISTOR R212 CAR 10KΩ1/4W RESISTOR
R108 CAR 56KΩ1/4W RESISTOR R213 CAR 10KΩ1/4W RESISTOR
R109 CAR 68KΩ1/4W RESISTOR R214 CAR 22KΩ1/4W RESISTOR
R11 CAR 15KΩ1/4W RESISTOR R215 CAR 1KΩ1/4W RESISTOR
R110 CAR 56KΩ1/4W RESISTOR R22 CAR 1.2KΩ1/4W RESISTOR
R111 CAR 1KΩ1/4W RESISTOR R23 CAR 51KΩ1/4W RESISTOR
R112 CAR 10KΩ1/4W RESISTOR R24 CAR 1.2KΩ1/4W RESISTOR
R113 CAR 10KΩ1/4W RESISTOR R25 CAR 10KΩ1/4W RESISTOR
R114 CAR 22KΩ1/4W RESISTOR R250 CAR 5.6KΩ1/4W RESISTOR
R115 CAR 1KΩ1/4W RESISTOR R251 CAR 22KΩ1/4W RESISTOR
R12 CAR 1KΩ1/4W RESISTOR R252 CAR 1KΩ1/4W RESISTOR
R13 CAR 27KΩ1/4W RESISTOR R253 CAR 8.2KΩ1/4W RESISTOR
R14 CAR 15KΩ1/4W RESISTOR R254 CAR 8.2KΩ1/4W RESISTOR
R15 CAR 130KF1/4W±1% RESISTOR R255 CAR 1KΩ1/4W RESISTOR
R150 CAR 5.6KΩ1/4W RESISTOR R256 CAR 1KΩ1/4W RESISTOR
R151 CAR 22KΩ1/4W RESISTOR R257 CAR 100Ω1/4W RESISTOR
R152 CAR 1KΩ1/4W RESISTOR R258 CAR 100Ω1/4W RESISTOR
R153 CAR 8.2KΩ1/4W RESISTOR R259 CAR 100Ω1/4W RESISTOR
R154 CAR 8.2KΩ1/4W RESISTOR R26 CAR 220Ω1/4W RESISTOR
R155 CAR 1KΩ1/4W RESISTOR R260 CAR 100Ω1/4W RESISTOR
R156 CAR 1KΩ1/4W RESISTOR R261 CAR 1KΩ1/4W RESISTOR
R157 CAR 100Ω1/4W RESISTOR R262 CAR 15KΩ1/4W RESISTOR
R158 CAR 100Ω1/4W RESISTOR R263 CAR 560Ω1/4W RESISTOR
R159 CAR 100Ω1/4W RESISTOR R264 CAR 100Ω1/4W RESISTOR
R16 CAR 51KΩ1/4W±1% RESISTOR R265 CAR 4.7KΩ1/4W RESISTOR
R160 CAR 100Ω1/4W RESISTOR R266 CAR 1.8KΩ1/4W RESISTOR
R161 CAR 1KΩ1/4W RESISTOR R267 CAR 100Ω1/4W RESISTOR
R162 CAR 15KΩ1/4W RESISTOR R269 CAR 220Ω1/4W RESISTOR
R163 CAR 560Ω1/4W RESISTOR R27 CAR 220Ω1/4W RESISTOR
R164 CAR 100Ω1/4W RESISTOR R272 CAR 0.12Ω3W RESISTOR
R165 CAR 4.7KΩ1/4W RESISTOR R273 CAR 0.12Ω3W RESISTOR
R166 CAR 1.8KΩ1/4W RESISTOR R274 CAR 1.5KΩ1/4W RESISTOR
R167 CAR 100Ω1/4W RESISTOR R275 CAR 30KΩ1/4W RESISTOR
R169 CAR 220Ω1/4W RESISTOR R276 CAR 56KΩ1/4W RESISTOR
R17 CAR 10Ω1/2W RESISTOR R277 CAR 680Ω2W RESISTOR
R172 CAR 0.12Ω3W RESISTOR R278 CAR 4.7Ω1/2W RESISTOR
R173 CAR 0.12Ω3W RESISTOR R28 CAR 1KΩ1/4W RESISTOR
R174 CAR 1.5KΩ1/4W RESISTOR R29 CAR 1KΩ1/4W RESISTOR
R175 CAR 30KΩ1/4W RESISTOR R32 CAR 47Ω1/4W RESISTOR
R176 CAR 56KΩ1/4W RESISTOR R36 CAR 330Ω2W RESISTOR
R177 CAR 680Ω2W RESISTOR R37 CAR 330Ω2W RESISTOR
R178 CAR 4.7Ω1/2W RESISTOR R39 CAR 10KΩ1/2W RESISTOR
R18 CAR 4.7KΩ1/4W RESISTOR R40 CAR 10KΩ1/2W RESISTOR
R19 CAR 4.7KΩ1/4W RESISTOR R44 CAR 10KΩ1/4W RESISTOR
R20 CAR 10KΩ1/4W RESISTOR R47 CAR 47Ω1/4W RESISTOR
R201 CAR 1KΩ1/4W RESISTOR R48 CAR 56KΩ1/4W RESISTOR
R203 CAR 1KΩ1/4W RESISTOR RCA AV4-8.4-13 RCA JACK GOLD PLATED
R204 CAR 10KΩ1/4W RESISTOR SPK01 JSZ4-02 SPEAKER OUT JACK GOLD PLATED
R205 CAR 47KΩ1/4W RESISTOR SW101 KD2304-02G9 CROSSOVER SWITCH
R206 CAR 10.2KΩ1/4W±1% RESISTOR T01 9015C TRANSISTOR TO-92(E.B.C)
R207 CAR 1KΩ1/4W RESISTOR T02 9015C TRANSISTOR TO-92(E.B.C)
ACA-2202
Electrical parts list（MAIN PCB）
Electrical parts list / ACA-2202