Alesis MultiMix6FX, Service Manual

Page: 13 / 25

8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
From DAC OUTPUT
From INT. FX BUS
PIN 1
VA
INL+ INL- INR+ INR-
FRMT REF+
MIO
DOUT
WC
3
REF-
3
DIN WC REF+ REF- FRMT DEM
VD
VA
VD
OUTL- OUTL+ OUTR- OUTR+
DC INA
NC
NC
PO/DATA P1/CLK P2 P3
INT/EXT RESET XTAL1
XTAL2
NC
NC
DAT OUT
BITCLK
WORDCLK
SYSCLK
3V 8YPASS
2-27-0054
13
NC
SINGLE
CHIP
REVEB
P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P3.0RXD P3.1/TXD P3.2 P3.3 P3.4 P3.5 WR RD XTAL1 NC1 NC2 NC3 NC4 XTAL2
P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 PEAN
ALE RST
EA
NC
NC NC NC NC NC NC
NC NC NC
NC
3
9
8
6
7
4
1
2
ENCODER
A B
RE120-41-25F-24P DO NOT STUFF
FLASH PROGRAMMING HEADER FOR DEVELOPMENT ONLY
16
7-01-0033
AL1201
AL1101
11
IC11
IC10
IC28 AL3101
EFFECT EFFECT
2-75-1101
2-75-1201
IC29
VR7
6-00-0008
2-70-8754
TE6
13 9
1
8
7
1 2 4 5
ALE
PV for XA0
ALESIS
A2
0
0
Thursday, April 03, 2003
Title Size
Document Number
Rev
Date:
Sheet
of
6
1 2
16
5
10
15
DGND
AGND
12
7
11
6
13
6
7 9
38
40
4
41 42 43
5
44
8
1
10
2
DGND
AGND
3
2
10
3
5 7 8 9 10 11 12 13
15
15
3
16
6
17
5
4
28
6
39
7
14
8 2
12
3 4
C
1 2 4 5 6
1 2 5
29 4 27 26 25 24 23 22 21 20 19 18 30 31 32 33 34 35 36 37
12
11
14 15 16 2 1
13
14 10 9 11 1
8 4 5 14 10 9
5 3
6 3
12
4
14
-V15
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+V15
C242
10uF/16V
IC1
TL084 IC1
TL084
IC1 TL084
R273 470
IC1 TL084
R90 470
R276
470
R83 470
C66
0.1uF
C227
0.1uF
R84
470
R281
220
R280
220
R279
220
R278
220
R277
220
R282
220
C228 CC
C226 01uF
R81
470
R80
470
C67 0.1uF
C59
0.1uF
R283
220
R284
220
M1
12MHZ
C229
104uF
R272
100
R274
470
R275
470
Q16
BC857
Q17
BC857
LED15
LDT-2601G
C75
0.1uF
C62
0.1uF
R285
100
R286
100
R294
10
C145 22uF/16V
C79 100n
R136
1K 1%
C77
1000pF
C82
330pF
C188
22uF/16V
R140
14K7
C189
22uF/16V
R114
1K 1%
R113
1K 1%
R132 1K 1%
C81 330pF
R124 14K7
R95
7K32
R96
7K32
R118
14K7
R93 7K32
C76
1000pF
R94 7K32
C78
330pF
R108
14K7
R134 8K2 1% R141
8K2 1%
R161
5K1
R165 5K1
VR16 10KA
VR16 10KA
R78 6.04K
C143
22uF/16V
C144 22uF/16V
R79
6.04K
C190
22uF/16V
C191
22uF/16V
C73
330pF
C80 330pF
R126
1K 1%
R142 1K 1%
R120
3K9
R137
3K9
C72
330pF
L BUS R BUS
SCR IN
WORDCLOCK
SCR OUT WORDCLOCK
SCR IN
SCR CLOCK
SCR DATA
SCR RESET
12MHZ CLOCK
SCR OUT
WORDCLOCK
SCR CLOCK SCR DATA LED COL1 LED COL2 80C51 PSEN
80C51RESET 80C51 PSEN
12MHZ CLOCK
SCR RESET
80C51 PSEN
LED COL1 LED COL2
FROM INT.FX
BUX