BBK AV311T Manuals

Manuals and User Guides for BBK AV311T. We have 1 BBK AV311T manual available for free PDF download: Service Manual

BBK AV311T Service Manual

BBK AV311T Service Manual (116 pages)

Brand: BBK | Category: Amplifier | Size: 17 MB

Table of Contents

Table of Contents
2
Chapter One about Maintenance
6
Safety Precautions
6
Maintenance Method
7
- Visualized Method
  7
- Electric Resistance Method
  7
- Voltage Method
  7
- Current Method
  7
- Cutting Method
  7
- Element Substitution Method
  8
- Comparison Method
  8
Required Device for Maintenance
8
- Chapter Two Functions and Operation Instructions
  9
Features
9
Control Button Locations and Exp Lanations
10
Basic Operations
13
- Turn On/Off the Unit
  13
- Mute
  13
- Select Input Sound Source and Video Source
  13
- Select Decode Mode
  14
- Adjust Volume
  15
- Adjust Channel Level
  15
- Adjust Main Channel Tone
  15
- Select EQ Mode
  15
- Default
  16
- Karaoke
  16
- Tuning
  17
- Tuning (Continued)
  18
- Channel Delay
  19
- Noise Testing
  19
- Select Speaker Mode
  20
- Headphone
  20
Accessories
21
Specifications
21
- Chapter Three Unit Circuit Principle
  22
Section One Principle of the Player
22
Section Two Unit Circuit Principle
25
- Signal Processing Board
  25
- Decode Board
  26
- Control Panel
  27
- Power Board
  28
- Power Amplifier Board and Protection Circuit
  29
- Video Input/Output Board
  32
- MIC, Headphone Board
  32
Section Three Servicing Cases
34
- Servicing Cases
  34
- Troubleshooting Flow Chart
  40
Section Four Servicing Parameter
45
- Signal Waveform Diagram
  45
- Key Point Voltage
  55
Section Five Function Introduction to IC
56
Section One PCB
83
- Line out
  95
- Chapter Six BOM List
  101
- Signal Disposal Board Ai Segment
  102
- Decode Board
  104
- Amplifier Board
  106
- Surface Control Board
  109
- Power Board
  110
Microphone Holder Board
112
Video Frequency Board
113
Panel Unit
114
Program Cpu
115

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