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INPUT BOOST 0-12dB CROSSOVER
AMP @ 50Hz 30Hz-5KHz 12dB/OCT VARIABLE
Circuitry Frame
VR101B IC101A VR102B IC102A VR104A IC103B VR103A IC103A SW101B
POWER
L-IN AMP
2 1 3 1 5 7 3 1 HPF
L-OUT
LPF
OFF
T151-T157
T158-T161
T162-T165
R-OUT
VR101A IC101B VR102A IC102B VR104B IC203B VR103B IC203A SW101A
POWER
R-IN AMP
5 7 5 7 5 7 3 1 HPF
LPF
OFF
T251-T257
T258-T261
T262-T265
T100 MUTE
T200 CONTROL
TRANS & REGULATOR PROTECT
T17
POWER POWER T166,T167
F01
CONTROL REGULATOR T266,T267
+/-15
+12V
D.C. T01
T07 T09,T10
IC02
T08 T11-T16
IC03 VCC
REM IC01
VEE
T01-04
T22,T23
ACA-2202
1 2 3 4 5 6 7 8
POWER-AMP[L] VCC
+15V
R164
T160
D 100 C159 D
2SC2383 T164
R152 R156 47(C)
TKD718
1K 1K T155
5401
+15V T166
T151 PROTECTION
R114 2N5551
C153 5551
22K T152
LO C249 10uF/25V 5551
AV4-8.4-13 104(C) R174
C108 563(M)
C109
3
1 *
C157
47(C)
*
R165
T158
OPEN T162 1K5
VR104A R153 4K7 OPEN
C101 R107 104(M) 2 R157 R158
IC101B R105 C100K L-AMP 8K2 R175
4.7uF/50V Z101 VR101B 1K IC102B 100 100 T157 C162
R101 1/2 4558 56K A R170 R172 30K
OPEN B20K 1/2 4558 IC103A C151 R163 2N5551 151(C)
5 C104 R115 1K HI 4.7uF/50V 560 R168 0.12/3W
1K 1/2 4558 SW101B C152 OPEN O/P
7 563(M) R150 102(C) OPEN
OFF I/P
LI R104 C156 C160
6 6 5.6K R169
AV4-8.4-13 7 R112 100uF/25V 473(M) R173 R177 R178
C150 220
4.7/0.5W
10K LO R171 0.12/3W
680/2W
5 R109 10K C106
1N4148
C103 4.7uF/50V *
68K 104(M) R151 R154 R159 R160 OPEN
563(M)
5 22K 8K2 100 100 R166 T163 D151
C158
C102 7 1K8 OPEN
R103 VR103A 47(C)
102(C) R106 R10856K R113 6 C163
1K C100K
10K 10K 104(M)
IC103B
R110 C105 1/2 4558
56K 563(M) C107
563(M) T154
A A C149 T153
Z102 VR102B 5401
C R111 104(C) C154 5401 T156 T159 C
OPEN B500K 1K 5551 OPEN
-15V 10uF/25V C155 R162
15K
R155 R161 15(C) T161 T165
3 (S)
1K 1K R167 A1013 TKB688
2(G) C161
100
47(C)
L101 T100 1(D)
C111 R100 OPEN
SHORT
OPEN OPEN R176 T167
-15V T267
A 56K 9014
VEE 9014 SPK01
MUTE
L-
R116 POWER-AMP[R] VCC
SHORT R200 T200 L+
OPEN OPEN 1(D) +15V
R264 R-
2(G) 100 C259 C164
C112 47(C) T260
3(S) R252 R256 100uF/16V R+
OPEN 2SC2383 T264
1K 1K T255
TKD718
5401 PROTECTION
T266 SPEKER OUT
T251
2N5551
R214 IC203A 5551
T252
22K 1/2 4558 C253 5551
R274
RI
R207
1K
C208
563(M)
C209
3
1
R-AMP 10uF/25V
*
C257
47(C)
*
R265
T258
OPEN T262 1K5
AV4-8.4-13 VR104B R253 4K7 OPEN
C201 104(M) 2 R257 R258 R276
C100K 8K2 R275
4.7uF/50V Z201 VR101A IC102A 100 100 T257 C262 56K
B R201 A R268 R270 R272 30K B
OPEN B20K 1/2 4558 R263 C260 151(C)
IC101A R215 1K HI SW101A C250 2N5551
0.12/3W
3 C204 4.7uF/50V C252 560 473(M) OPEN OPEN
1K 1/2 4558 R250 O/P
1 563(M) OFF I/P 102(C)
3 C256 R269
2 5.6K
1 R212 100uF/25V 220 R273
LO C251
2 R209 10K C206 R271 0.12/3W D251 R278
C203 4.7uF/50V *
RO 68K 104(M) R254 R259 R260 OPEN R277 4.7/0.5W
1N4148
563(M)
AV4-8.4-13 R204 R251 8K2 100 100 R266 T263
5 C258
C202 R203 10K 22K 1K8 OPEN 680/2W
VR103B 7 47(C)
102(C) 1K R205 R208 56K R210 R213 C263
C100K 6
R206 47K 56K 10K 104(M)
10K2 C205
563(M) C207
563(M) IC203B T254
A A 1/2 4558 T253
Z202 VR102A 5401
R211 5401 T256 T259
OPEN 500KB 1K 5551 OPEN
C254 C255 R262
10uF/25V 15K
R255 R261 15(C) T261 T265
1K 1K R267 C261 A1013 TKB688
100 47(C)
-15V
VEE
A A
ACA-2202-AMP-PA2-4.SCH
1 2 3 4 5 6 7 8
1 2 3 4 5 6
T07 2SA1013
R17 F01
15A P01
L02 JSZ3-06C
10 1/2W
+12V
R15 C12
130KF(1%) R18
CL-310 8T 1.8uH
C51 C52 D17 15A REM
4K7 1N5404
D 104(C) 104(C) 10U/25V R19 C35 D
4K7 OPEN
GND
R44 C50
10K 104(C) T08
9014C
C11 R16 R20
104(C) 51KF(1%) 10K
C13 D04
L03
473(C) SHORT
R21 1N4004
4K7
R22 JUMPER
C36 IC02 C22
1K2 R36 220U/25V
T05 D08 FR154 OPEN OPEN
R23 *330 2W
9014C 51K T06 1 3
I O +15V
9014C