Alesis iO Dock II Service Manual

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
Check REV Description
Title:
Size
A3
Number Revision
Date :
File Name:
Sheet o f
Design By :
DATEDesignApproval
2013/11/29
0
PC13A022
LXAN AUDIO
AUDIO2.SchDoc
2 6
ALESIS
INVERTING INP UT NON-INVERTING INPUT
GAIN
LINE / MIC / GUITAR IN
PREAMP
Mic Gain =
(((Rg/2)//Re) + Rf)/(((Rg/2)//Re)*2)
Rg= resistance between emitters
GUITAR
MIC/LINE
1
2
3
4
5
6
8
9
10
11
7
J13
D3
MMBD4148
D19
MMBD4148
D20
MMBD4148
D21
MMBD4148
Q16
MBT4403
Q18
MBT4403
C60
2200uF/6.3V
1
2
3
P5
5KC
1
2
3
S2A
SWDS-11L-C2
4
5
6
S2B
SWDS-11L-C2
+
3
-
2
1
U8A
MC33079
+
5
-
6
7
U8B
MC33079
CHGND
INPUT_L
+50V
Q10
BC856
Q7
BC856
AGND
AGND AGND
AGND
AGND
AGND
AGND
AGND
AGND
A+12V
A+12V
A+12V
A+12V
A-12V
A-12V
A-12V
R132
47K
R133
47K
R195 100k
R193
15K
R196 100k
R194
15K
R120
15K
R121
15K
C52
47uF/6.3V
C152
22uF/16V
C82 100pF C83 100pF C140 100pF C141 100pF
C53
47uF/6.3V
C153
22uF/16V
C54
100pF
R72
3.92k 1%
C61 0.1uF
R73
3.92k 1%
R88 7.5k 1%
C151 47pF
R89 3.32k 1%
R83 7.5k 1%
R86 7.5k 1%
R87 7.5k 1%
C55
100pF
C139 15pF
C150
15pF
R79 1K
R80 1K
R76
2.00k 1%
R78
330 ohm
C138 0.1uF
R77
2.00k 1%
AGND
R70
10 ohm
R71
10 ohm
R74
1.21k 1%
R75
1.21k 1%
C163
22pF
D23
BAV99
R189
10M
C164 3.3uF,25V
R192
1M
R90 10 ohm
R91 10 ohm
+
3
-
2
1
U12A
TLO72
+
5
-
6
7
U12B
TLO72
R186 10 ohm
R187 10 ohm
R188
10 ohm
R190 4.7k
R191 4.7k

Alesis iO Dock II Specifications

General

Brand	Alesis
Model	iO Dock II
Category	Accessories
Language	English