BBK DV725SI DVD Player Manuals

BBK DV725SI DVD Player Manuals

Manuals and User Guides for BBK DV725SI DVD Player. We have 1 BBK DV725SI DVD Player manual available for free PDF download: Service Manual

BBK DV725SI Service Manual

BBK DV725SI Service Manual (115 pages)

Brand: BBK | Category: DVD Player | Size: 8 MB

Table of Contents

Table of Contents
2
Chapter One about Maintenance
5
Safety Precautions
5
Maintenance Method
6
- Visualized Method
  6
- Electric Resistance Method
  6
- Voltage Method
  6
- Current Method
  6
- Cutting Method
  6
- Element Substitution Method
  7
- Comparison Method
  7
Required Device for Maintenance
7
- Chapter Two Functions and Operation Instructions
  8
Control Button Locations and Explanations
8
Features
8
Accessories
11
Function Setup
11
- Language
  11
- Image
  11
- Sound
  12
- Playback
  13
- Karaoke
  13
- Preference
  14
- Parental Control
  14
- Initial Setup
  14
- Rest to Defaults
  14
Specifications
15
- Chapter Three Principle and Servicing
  16
Section One Principle of the Player
16
Section Two Unit Circuit Principle
19
- Brief Introduction to Loader
  19
- Servo Circuit
  21
- Laser Power Control Circuit
  23
- CD/DVD Conversion Circuit
  24
- Disc In/Out Circuit
  25
- Main Axis Control Circuit
  26
- Decode Circuit
  28
- Reset Circuit
  29
- Video Circuit
  30
- Audio Circuit
  31
- Mute Circuit and Power-Off Quieting Circuit
  32
- Card Read Circuit
  33
- AV Output Board Circuit
  34
- MIC Circuit
  35
- Headphone Circuit
  36
- Control Panel Circuit
  36
- Power Circuit
  37
Section Three Servicing Cases
39
- Servicing Cases
  39
- Troubleshooting Flow Chart
  43
Section Four Waveform Diagram
55
Section Five Function Introduction to IC
63
Section One PCB Board
89
- Power Board
  97
- Chapter Six BOM List
  105

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