Alesis HR-16 Tambor
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Model:
HR-16
Date:
1995
Category:
Group:
Description:
Manual type:
Manual de serviço
Pages:
40
Size:
916.58 Kbytes (938577 Bytes)
Language:
english
Revision:
1
Manual-ID:
Date:
27 July 1995
Quality:
Documento eletrônico, digitalização, bem legível.
Upload date:
26 September 2017
MD5:
411563d2dc4a40e5cebf50b5c4747e77
Downloads:
830
Information
PREFACE ...
ii
READ THIS!
...
ii
WARNINGS ...
iii
SAFETY SUGGESTIONS
...
iv
General
Troubleshooting ...
v
1.0 General Description
...
1
1.1 Main PC Board Revisions
... 1
2.0 Power Supply
...
1
2.1 Battery Backup
...
2
2.2 PUP Circuit
...
2
3.0 The 8031
...
3
3.1 Reset
...
3
3.2 Memory Mapped
I/O ... 4
3.3 Keypad
I/O ...
4
3.4 MIDI I/O
...
4
4.0 DM3AG ASIC
...
5
4.1 Mask
ROMs ...
5
5.0 Analog Signal Paths
...
6
5.1 Drum Signal
Output ...
6
5.2 Piezo/Data Slider
Input ... 6
5.3 Tape
I/O ...
6
5.4 Tape
Output ...
7
5.5 Tape Input
...
7
6.0 Test Procedures
...
7
6.1 General Testing
...
8
6.2 Internal Diagnostics and Hidden Keys
... 8
6.3 DAC Adjustments
... 8
7.0 Updates and Corrections
...
9
7.1 New SRAM Supply
Circuit ... 9
7.2 Glass Zener
(D15) ...
9
7.3 Dirty Cliff
jacks ...
10
7.4 Ground
CE ...
10
7.5 RF resistor
...
10
7.6 10K MIDI Resistor (R5)
... 11
7.7 MIDI Pullup
...
11
7.8 RF Shields
...
11
7.9 LCD Contrast
Adjustments ... 11
7.10 DAC Drift
...
12
7.11 Old Keypad PC Boards
... 12
7.12 Lifting R41
...
12
7.13 Reset
Capacitor ...
12
7.14 Sram Capacitor
...
12
7.15 Tape Capacitors
...
13
7.16 RF chokes
...
13
7.17 AQ reset threshold
... 13
7.18 AQ
R116 ...
13
7.19 Volume Slider
Wiring ... 13
7.20 PUP
Capacitor ...
14
8.0 Common Solutions
...
15
9.0 Service Parts List
...
18
10.0 Software History
...
20
11.0 MIDI Implementation
...
23
12.0 Service Manual History
...
31
INDEX ...
32
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