Service manual

Alesis MMT-8 Service Manual 14
12.00 Service Parts List
GROUP DESCRIPTION PART # QTY POSITION PCB MANUFACTURER
CAB 14 PIN DIL 7 0.1 CTR 4-18-0714 2 KEYPAD-MAIN, LCD-MAIN
CAB 16 PIN DIL 7 0.1 CTR 4-18-0716 1 KEYPAD-MAIN
CAP 0.1 MF CERDISC 1-02-0104 13 C14-23,25,37,38 MAIN
CAP 1000 MF ELEC 1-08-1000 1 C2 MAIN
CAP 2200 MF ELEC 1-08-2200 1 C1 MAIN
CAP 4.7 MF ELEC 1-12-0475 4 C4,7,13,36 MAIN
CER 150 PF CERDISC 1-02-0151 9 C27-35 MAIN
CER 20 PF CERDISC 1-02-0200 2 C9,10 MAIN
CON 5 PIN DIN JACK 4-00-0001 3 J2-4 MAIN
CON 3.5mm JACK (P2) 4-16-0001 2 J5,6 MAIN
CON 3.5mm BAR JACK (P3) 4-16-0002 1 J1 (POWER, 2.5mm CTR) MAIN
FIL 0.1 MF FILM 1-20-0104 6 C3,5,6,8,11,12 MAIN
HDR 14 PIN DIL 0.1 CTR 4-14-0014 3 J10,11,KEY PCB MN/KY
HDR 16 PIN DIL 0.1 CTR 4-14-0016 2 J9,KEY PCB MN/KY
HDW 6-32x1/4 PP BLK UNC 5-00-0003 2 HEATSINK
HDW 4-24x5/16 PP BLK PLAST 5-00-1002 22 CASE(4), MAIN PCB(5), LCD(4), KEY PCB(9)
HDW 1/2 STANDOFF 6-32 5-02-0003 1 HEATSINK MAIN
HDW HEATSINK 9-03-1012 1 MAIN
IC 7805 +5V TO220 2-11-7805 1 VR1 (NAT ONLY) MAIN NAT
IC 74HC138 DEMUX 2-14-0138 1 U5 MAIN NAT/TI
IC 74HC541 OCTAL BUFFER 2-14-0541 1 U3 MAIN NAT/TI
IC 74HC573 LATCH TRI-ST 2-14-0573 1 U11 MAIN NAT/TI
IC 74HC574 TRI-STATE FF 2-14-0574 3 U6-8 MAIN NAT/TI
IC 74HC00 2-IN N GATE 2-14-7400 1 U4 MAIN NAT/TI
IC 74HC04 HEX INVERT 2-14-7404 1 U2 MAIN NAT/TI
IC 74HC30 8-IN N GATE 2-14-7430 1 U15 MAIN NAT/TI
IC 32Kx8 SRAM 2-17-0257 2 U9,10 MAIN SONY
IC 27C256 V1.11 2-19-0256 1 U12 MAIN TI
IC 80C31 MPU 2-20-8031 1 U13 MAIN SIG
IC LM339 QUAD COMP 2-22-0339 1 U14 MAIN NAT
IC 6N138 OPTO-ISO 2-24-0138 1 U1 MAIN HP
JAC 1/4 CLIFF (MONO) 4-02-0001 2 J7,8 MAIN
LCD LCD MODULE 9-44-1000 1
LED LED (RED) SMD RL-55 3-02-0002 15 KEY
LIT USER'S MANUAL 7-51-1056 1 LIT PACK
ME 1N4148 SIGNAL DIODE 2-00-4148 13 D3-15 (1N4148 OK) MAIN
ME 1N4003 POWER DIODE 2-01-4003 2 D2,16 MAIN
ME 1N5231B ZENER DIODE 2-02-5231 1 D1 MAIN
ME MPS 2369 FAST TRANS 2-03-2369 3 Q5,6,11 MAIN
ME 2N4401 NPN TRANS 2-03-4401 9 Q1-4,7-11,ECO #10102 MAIN
ME 12 MHz CER RES 7-01-0003 1 X1 MAIN
ME 2" SPEAKER 7-02-0001 1 SP1
ME XFORMER P3 7-40-0903 1
ME LITHIUM BATTERY 3.5V 7-05-0003 1 B1 MAIN
PCB PCB, MT KEYPAD 9-40-1016 1
PLS CASE TOP (BLK) 9-11-1035 1