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INPUT BOOST 0-12dB CROSSOVER
AMP @ 50Hz 30Hz-5KHz 12dB/OCT VARIABLE
VR101A IC101A VR102B IC102A VR103D IC103A VR103C IC103B SW101B
POWER
L-IN AMP
2 1 3 1 3 1 5 7 HPF
FL-OUT
LPF
OFF
T151-T157
T158-T161
T162-T165
FR-OUT
Circuitry Frame
VR101B IC101B VR102A IC102B VR103A IC203A VR103B IC203B SW101A
POWER
R-IN AMP
5 7 5 7 3 1 5 7 HPF
LPF
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OFF
T251-T257
T258-T261
T262-T265
VR301A IC301A VR302A IC302B VR303D IC303B VR303C IC303A SW301B
POWER
RL-IN AMP
2 1 5 7 5 7 3 1 HPF
RL-OUT
LPF
OFF
T351-T357
T358-T361
T362-T365
RR-OUT
VR301B IC301B VR302B IC302A VR303B IC403B VR303A IC403A SW301A
POWER
RR-IN AMP
5 7 3 1 5 7 3 1 HPF
LPF
OFF
T451-T457
T458-T461
T462-T465
T100,T200 MUTE
T300,T400 CONTROL
TRANS & REGULATOR PTOTECT
T17 T166,T167
POWER POWER T266,T267
F01
CONTROL REGULATOR T366,T367
+/-15 T466,T467
+12V
D.C. T01
T07 T09,T10
IC02
T08 T11-T16
IC03 VCC
REM IC01
VEE
T01-04
ACA-2624
ACA-2664
T22,T23
1 2 3 4 5 6 7 8
+15V POWER-AMP[FL] VCC
+15V
R114
22K C249 R164
IC102A T160
104(C) 100 C159 OPEN
1/2 4558 T164
C108 563(M) 5 R152 R156 47(C)
OPEN
C109 7 1K 1K T155
VR103B
FL C101 R107 104(M) 6 5401
R105 C100K
4.7uF/50V Z101 1K T166
R101 OPEN 56K A T151 PROTECTION
FL-AMP 2N5551
R115 1K HI 5551
VR101B 3 C104 IC103B SW101B C153 T152
1K
D B20K 1 563(M) 2/24558 OFF 10uF/25V 5551 D
AV4-8.4-13 R104 R174
2 2
R112
C157 * T158
10K 1 LO 47(C) R165 2SC2383 T162 1K5
3 C103 R109 10K C106 IC103A *
R153 4K7 KTD718
IC101A 563(M) 68K 104(M) 1/24558 R157 R158
7K5 R175
1/2 4558 3 100 100 T157 C162
473(M)
C102 R170 R172 30K
C160
1 C151 R163 2N5551 151(C)
102(C) VR103D R113 0.12/3W OPEN
R106 R108 2 4.7uF/50V C152 560 R168 O/P
C100K 10K R150
10K 56K R110 I/P 102(C) 220
56K C105 5.6K C156
R169 R173 R177 R178
563(M) C107 C150 100uF/25V OPEN
4.7/0.5W
R171 OPEN
680/2W
563(M) 4.7uF/50V *
1N4148
B A A R151 R154 R159 R160 0.12/3W
R103 C149
D151
Z102 VR102B R111 22K 7K5 100 100 R166 T163
OPEN 1K 104(C) C158
500KB 1K 1K8 TKB688
R214 22K -15V 47(C)
C163
C208 IC203B 104(M)
563(M) 5 1/2 4558
C209 7
R207 IC102B VR103A
C201 C100K 104(M) 6 T154
4.7uF/50V Z201 1K 1/2 4558 FR-AMP T153
R201 OPEN A 5401
SW101A C154 5401 T156 T159
R215 1K HI 5551 2SA1013
VR101A IC101B 5 10uF/25V C155 R162
1K
FR B20K 1/2 4558 7 OFF 15K
AV4-8.4-13 5 6 R155 R161 15(C) T161 T165
3 (S) OPEN
7 C204 R212 LO 1K 1K R167 OPEN
2(G) C161
6 C203 563(M) R209 10K C206 100
47(C)
563(M) 68K 104(M) T100 1(D)
C R204 3 R100 OPEN C
C202 OPEN
10K 1 -15V R176 T167 T267
102(C) R205 VR103C R213
R208 R210 2 VEE 56K 9014 9014 SPK01
C100K
R206 47K 56K 56K 10K
IC203A MUTE
FL-
10K2 C205 1/2 4558
563(M) C207 R200 POWER-AMP[FR] VCC
T200 +15V FL+
563(M) OPEN OPEN
A A 1(D)
Z202 R203 VR102A FR-
R211 R264
OPEN 1K 500KB 2(G) C259 C164 C97
L101 1K 100 T260
B A 3(S) R252 R256 47(C) 100uF/16V OPEN FL+
OPEN T264
SHORT 1K 1K T255 OPEN
5401 PROTECTION FRONT OUT
R116 C112 T266
R314 T251
SHORT OPEN IC303A 2N5551 GND
22K 5551
1/2 4558 T252
IC302B
C308 C253 5551 R274
1/2 4558
563(M) 3 10uF/25V
C111 C309 1 C257 * T258 1K5
VR303B
RL C301 OPEN R307 104(M) 2 RL-AMP 47(C) R265 2SC2383 T262
R305 1K
C100K *
R253 4K7 KTD718
4.7uF/50V Z301 SW301A R257 R258 R276
R301 OPEN 56K A 7K5 R275 56K
473(M)
R315 1K HI 100 100 T257 R272 C262
VR301B 5 C304 R268 R270 30K
C260
1K OFF R263 2N5551 OPEN 151(C)
B20K 7 563(M) 220 0.12/3W
AV4-8.4-13 R304 C252 560
6 6 R250 O/P
102(C) R269
7 R312 C256
10K LO 5.6K OPEN
5 C303 563(M) R309 10K C306 IC303B 100uF/25V R273
C250 C251 R271
IC301B 68K 104(M) 1/2 4558 OPEN D251 R278
5
4.7uF/50V 4.7uF/50V *
R254 R259 R260
0.12/3W
R277 4.7/0.5W
1/2 4558
1N4148
B C302 7 R251 7K5 100 100 R266 T263 B
102(C) VR303C R313 C258
R306 R308 6 22K 1K8 TKB688 680/2W
C100K 10K 47(C)
10K 56K R310 C263
56K C305 C307 104(M)
563(M) 563(M)
B A A
Z302 R303 VR302A T254
R311 T253
OPEN 1K 500KB R414 5401
1K IC403A 5401 T256 T259
22K
1/2 4558 5551 2SA1013
IC302A C408 C254 C255 R262
1/2 4558 563(M) 10uF/25V 15K
3 R255 R261 15(C) T261 T265
VR303A C409 1 1K 1K R267 OPEN OPEN
C401 R407 104(M) 2 RR-AMP C261
C100K SW301B 100 47(C)
4.7uF/50V Z401 1K
R401 OPEN A
IC301A