Alesis HR-16:B Manuals

Manuals and User Guides for Alesis HR-16:B. We have 2 Alesis HR-16:B manuals available for free PDF download: Instruction Manual, Service Manual

Alesis HR-16:B Instruction Manual

Alesis HR-16:B Instruction Manual (73 pages)

Alesis Drums User Manual

Brand: Alesis | Category: Drums | Size: 2.52 MB

Table of Contents

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Alesis HR-16:B Service Manual

Alesis HR-16:B Service Manual (41 pages)

Brand: Alesis | Category: Drums | Size: 1 MB

Table of Contents

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3
Warnings
4
Safety Suggestions
5
General Troubleshooting
6
Table of Contents
7
1 General Description

8
- Main PC Board Revisions
  8
2 Power Supply

8
- Battery Backup
  9
- PUP Circuit
  9
3 The 8031

10
- Reset
  10
- Memory Mapped I/O
  11
- Keypad I/O
  11
- MIDI I/O
  11
4 Dm3Ag Asic

12
- Mask Roms
  12
5 Analog Signal Paths

13
- Drum Signal Output
  13
- Piezo/Data Slider Input
  13
- Tape I/O
  13
- Tape Output
  14
- Tape Input
  14
6 Test Procedures

14
- General Testing
  15
- Internal Diagnostics and Hidden Keys
  15
- DAC Adjustments
  15
7 Updates and Corrections

16
- New SRAM Supply Circuit
  16
- Glass Zener (D15)
  16
- Dirty Cliff Jacks
  17
- Ground CE
  17
- RF Resistor
  17
- MIDI Resistor (R5)
  18
- MIDI Pullup
  18
- RF Shields
  18
- LCD Contrast Adjustments
  18
- DAC Drift
  19
- Old Keypad PC Boards
  19
- Lifting R41
  19
- Reset Capacitor
  19
- Sram Capacitor
  19
- Tape Capacitors
  20
- RF Chokes
  20
- AQ Reset Threshold
  20
- Aq R116
  20
- Volume Slider Wiring
  20
- PUP Capacitor
  21
8 Common Solutions

22
9 Service Parts List

25
10 Software History

27
11 MIDI Implementation

30
12 Service Manual History

38
- Index
  39

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