BBK DK1470SI Manuals

Manuals and User Guides for BBK DK1470SI. We have 1 BBK DK1470SI manual available for free PDF download: Service Manual

BBK DK1470SI Service Manual

BBK DK1470SI Service Manual (128 pages)

Brand: BBK | Category: DVD Player | Size: 5 MB

Table of Contents

Table of Contents
2
Chapter One about Maintenance
5
Safety Precautions
5
Power Supply
5
Precautions for Antistatic
5
Precautions for Laser Head
5
About Placement Position
6
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
Features
8
Controls and Functions
9
Front Panel Controls
9
Rear Panel Connections
9
VFD Display General View
10
Remote Control General View
10
Function Settings
12
Function Selection and Change
12
Language Settings
12
Image Settings Menu
12
Sound Settings Menu
13
Playback Settings
14
Karaoke Settings Menu
14
Preference Settings
14
Parental Control
15
Initial Setup Menu
15
Reset to Defaults
15
Exit Settings Menu
15
Channel Delay Set-Up
15
Chapter Three Principle and Servicing
18
Section One Principle of the Player
18
Function Introduction
18
Block Diagram Principle of the Player
18
Section Two Unit Circuit Principle
20
Decode Circuit
20
Servo Circuit
21
Laser Power Control Circuit
23
Main Axis Control Circuit
24
Control Panel Circuit
25
Power Circuit
26
Audio Power Amplifying Circuit
28
Output Circuit
30
Video Circuit
32
Section Three Servicing Cases
34
Servicing Cases
34
2Troubleshooting Flow Chart
42
Section Four Servicing Parameters
62
Signal Waveform Diagram
62
Key Point Voltage
65
Section Five Function Introduction to IC
67
Function Introduction to MT1389E
67
Function Introduction to SDRAM
81
Function Introduction to FLASH
82
Function Introduction to D5954
83
Function Introduction to 24LLC020
84
Function Introduction to 74HCT125
85
Function Introduction to Cd4052
87

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