Alesis A4/A8 Amplifiers Service Manual------ 12 03/07/03
ME 7-06-0008 CIRCUIT BREAKER 28-XQ1A-12 1
ME 7-06-0010 BREAKER THERMAL CUTOUT 80 DEG.O.O.R. 1 MAIN TH 1
ME 7-06-0011 BREAKER THERMAL CUTOUT 55 DEG. C.O.R. 1 OUTPUT M TH2
ME 7-10-0029 FAN,DC ST12N6X 1 FAN FAN 1
ME 7-20-0015 INDUCTOR,AIR CORE 1uH 2 OUTPUT M L1, 2
MIS 5-04-0000 INSULATOR, RECTIFIER 1.250X1.250 .200 HOLE 1 BRIDGE RECTIFIER
MIS 5-04-1018 INSULATOR XFMR BRACKET 2 TRANSFORMER MOUNTING
MIS 7-70-0001 FISH PAPER 6x5 1
MIS 7-70-0006 FISH PAPER 10.0 A4 1 CHASSIS
MIS 7-70-0008 FISH PAPER 1.5 x 9 A4 1 COVER
MIS 7-70-0010 INSULATOR, FELT DISC. .375 DIA. X .032 3 COVER
MIS 7-90-0007 TWIST TIE,PLASTC WIRE 7" 1
MIS 9-23-1058 INSULATOR FOAM A4, A8 1
MTL 9-03-1145 CHASSIS A4 1
MTL 9-03-1147 COVER TOP A4 1 Top Assembly
MTL 9-03-1149 BRACKET TRANSFORMER A4/A8 1 Final Assembly
MTL 9-03-1151 CLAMP TRANSISTOR A4/A8 2 Module Assembly
MTL 9-03-1152 HEATSINK EXTRUSION,150 inch stick (REV C.) 8
MTL 9-03-1154 HEATSINK A4 1 Module assembly
MTL 9-03-1156 HEATSINK THM7022B-MT 4 MAIN HS 1-4
MTL 9-03-1157 CLIP HEAT SINK CLP-201 4
MTL 9-03-1164 HEATSINK RECTIFIER 3 x 1.250 x .125 1
PLS 5-10-1008 TIE WRAP 3.250 BLACK PLASTIC RICHO (WIT-18SF-BK) 14
PLS 9-15-0040 KNOB 35MM PA 2 Final Assembly
PLS 9-15-0095 INSULATOR K6 A4 2 Module Assembly
PLS 9-15-1189 PANEL FRONT A4, A8 1 Final assembly
PLS 9-15-1190 LABEL A4 F/P LOGO 1 Chassis assembly
PLS 9-15-1194 BLOCK BINDING POST A4,A8 1
POT 0-09-1037 POT 5K SINGLE W/RIGHT ANGLE LEADS 2 CONTROL VR 3,4
RES 0-00-0000 RES 0 OHM 1/8W 5% 1
RUB 9-23-1056 FASTENER FAN (A4 A8) 4 FAN
RUB 9-23-1057 FEET RUBBER .30 x .81 BLK (3M SJ5023) 4 Packing Assembly
SWT 6-01-0002 SWITCH SLIDE DPDT 1 MAIN S1
SWT 6-02-1500 SWITCH SPST 16A POWER 1500H11E 1 S2
TRN 2-03-0006 TRANS MPSA06RLRA 4 MAIN Q 1, 2, 7, 20
TRN 2-03-0006 TRANS MPSA06RLRA 2 OUTPUT M Q31, 36
TRN 2-03-0006 TRANS MPSA06RLRA 4 FAN Q40, 41, 42, 45
TRN 2-03-0056 TRANS MPSA56RLRA 2 MAIN Q 5, 18
TRN 2-03-0650 TRANS MPS650RLRA 2 MAIN Q 10, 23
TRN 2-03-0650 TRANS MPS650RLRA 1 FAN Q43
TRN 2-03-0750 TRANS MPS750RLRA 4 MAIN Q 6, 11, 19, 24
TRN 2-03-0750 TRANS MPS750RLRA 1 FAN Q44
TRN 2-03-1193 TRANS MJL21193 6 OUTPUT M Q29, 30, 32, 35, 37, 38
TRN 2-03-1194 TRANS MJL21194 6 MAIN Q 3, 4, 14, 17, 27, 28
TRN 2-03-1302 TRANS MJL1302A 2 OUTPUT Q33, 34
TRN 2-03-3281 TRANS MJL3281A 2 MAIN Q 15, 16
TRN 2-04-1837 TRANS 2SA1837 2 MAIN Q 9, 22
TRN 2-07-4793 TRANS 2SC4793 2 MAIN Q 13, 26
WIR 4-19-1404 WIRE 3.75" BLK W/AMP CRIMP CONS 3 MAIN A, D, J
WIR 4-19-1405 WIRE 3.25" WHT W/AMP CRIMP CONS 1 MAIN BGND-GNDB
WIR 4-19-1407 WIRE 13" GRN W/AMP CRIMP CONS 1
WIR 4-19-1408 WIRE 13" GREY W/AMP CRIMP CONS 1
WIR 4-19-1413 WIRE 18.5" GREY W/AMP CRIMP CONS 1 OUTPUT SPKR B
WIR 4-19-1414 WIRE 13" GRN W/AMP CRIMP CONS (REV. B) 1 OUTPUT SPKR A
WIR 4-19-1415 WIRE 17" RED W/AMP CRIMP CONS 1 MAIN B+
WIR 4-19-1416 WIRE 14" BLK W/AMP CRIMP CONS 2
WIR 4-19-1419 WIRE 17" BLK W/ AMP CRIMP CONNS 1 MAIN B-
WIR 4-19-1420 WIRE 4" BLUE W/ AMP CRIMP CONNS 7 MAIN B, C, E, F, H, K, AGND-GNDA
WIR 4-19-1421 WIRE 13" WHITE W/AMP CRIMP ON 1 MAIN GNDCT
Group Part.Number Description Qty PCB Ref.Designator Comment
2-99-0031 IC TIP31A NPN (FF) 1 FAN Q 39
2-99-5532 IC NE5532AN DUAL OPAMP (FF) 3 MAIN U 1-3
2-99-7815 REG MCT7815CT +15V TO220 (MOT) 1 FAN U4
9-23-1068 FOAM PAD TRANSFORMER A4 1
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