Sony CDU-541-81 Manuals

Manuals and User Guides for Sony CDU-541-81. We have 1 Sony CDU-541-81 manual available for free PDF download: Service Manual

Sony CDU-541-81 Service Manual

Sony CDU-541-81 Service Manual (95 pages)

Brand: Sony | Category: CD/CDR Drive | Size: 3.4 MB

Table of Contents

Table of Contents
2
Grounding for the Human Body
3
Grounding for the Work Table
3
Caution
4
Configuration of Service Manual
4
Introduction
4
Precautions
4
Expendable and Chemical Supplies
6
General and Special Tool List
6
General Tools
6
Tools and Measuring Instruments
6
S/A Attachment Tool
7
S/A Attachment Tool Configuration
7
S/A Attachment Tool Function
7
Special Tools
7
Fixture CD1
9
PS/2 System Setting and Configuration
10
Before Troubleshooting
12
Flowchart for Troubleshooting
12
Troubleshooting
12
Pre-Setting
13
Procedure of ATP Test
13
Test Procedure
14
To Execute ATP Test of the Drive
14
Edit Test Condition
15
To Edit any Test Conditions
15
To Quit
16
To Save the New Parameter
16
Bus Check
17
Drive Function Check
17
Power on
17
Tray Open
17
Loading Mechanism
18
Spin up
19
Audio Play
20
Easy Reference Chart
21
Part Replacement
21
Bottom Plate Replacement
22
Front Panel Ass'y Replacement
22
Ornamental Tray Plate Replacement
22
Ma-1/Ma-2 Mounted Board Replacement
23
Optical Device Replacement
23
- Tension Spring Removal
  23
- Guide Removal
  24
- Tray Removal
  24
- Main Frame Ass'y Installation
  25
- Tray Frame Ass'y Removal
  25
- Tray Installation
  25
Check and Adjustment
27
- Electrical Adjustment
  27
  - Special Tools and Measuring Equipment
    27
  - Pre-Setting
    27
  - Test Mode Menu
    28
  - EF Balance
    29
    
    EF Balance Adjustment
    29
    
    EF Balance Waveform
    29
  - Focus Servo Loop Gain
    30
  - Focus Servo Loop Gain Adjustment
    30
  - Tracking Servo Loop Gain
    31
  - Tracking Servo Loop Gain Adjustment
    31
  - Focus Bias
    32
  - Focus Bias Adjustment
    32
- Rf Level (Laser Power) and Laser Current
  33
  - Special Tools and Measuring Equipment
    33
  - Measurement
    33
- Optical Device Cleaning
  34
  - Cleaning with Lens Cleaner
    34
  - Special Tools and Measuring Equipment
    34
Exploded Views and List
35
- Mechanical Ass'y Location
  35
  - Overall Ass'y
    35
  - Packing Material
    39
  - Block Diagrams
    40
- Part Layout and Circuit Diagram
  42
  - Component Side
    42
  - Pattern Side
    42
  - Semiconductor Location
    42
  - Semiconductors Pin Assignment
    44
  - Top View
    52
  - Exercizer Program
    54
  - Procedure of Outgoing Test
    54
  - Address Error
    58
  - Hardware Error
    58
  - Sum Error
    58
  - Type of Error
    58
  - Attention Code
    59
  - Error Code
    59
  - Circuit Diagram on MA-I Mounted Board
    65
  - Circuit Diagram on MA-2 Mounted Board
    73
- Electric Parts List
  81

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