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CDC-90
Yamaha CDC-90 Manuals
Manuals and User Guides for Yamaha CDC-90. We have
1
Yamaha CDC-90 manual available for free PDF download: Service Manual
Yamaha CDC-90 Service Manual (49 pages)
Compact Disc Player
Brand:
Yamaha
| Category:
CD Player
| Size: 5.05 MB
Table of Contents
Contents
1
To Service Personnel
2
Safety Precautions
2
Protection of Eyes from Laser Beam During Servicing
2
Front Panels
4
Rear Panels
5
Specifications
6
Internal View
6
Block Diagram
7
Disassembly Procedures
8
Operation Check Procedure
8
Adjustments
9
Necessary Items
9
Before Adjustment
9
Test Point
9
Confirmation of Power Voltage
10
Confirmation of Muting Operation
10
Confirmation of Reset Operation
10
Starting Test Mode
10
Adjusting Mode
11
VCO Free Run Adjustment
11
Focus Offset Adjustment
11
Tracking Offset Adjustment
11
Confirmation of Focus Search
12
Confirmation of Loading Operation
12
Confirmation of Focus and Tracking Operation
12
EF Balance Adjustment
12
Confirmation of Jitter
13
Focus Servo Gain Adjustment
13
Eye Pattern
13
Waveforms
13
Tracking Servo Gain Adjustment
14
Confirmation of Tracking Offset
14
Confirmation of EF Balance
14
Display Data
15
Confirmation of Focus Offset
15
Anode Connection
15
Test Mode
16
Test Mode Key Description
16
M-Com Operation for each Key
16
Standard Operation Chart
17
Tray Operation
18
Error Message
19
How to Get an Error Message Displayed
19
Error Message and Meaning
19
Error Code Troubleshooting
19
Troubleshooting from System Malfunctions
21
IC Data
24
System Controller (4Bit M-Com)
24
Signal Processor and Controller for Compact Disc Player
26
Waveform of Test Point
28
Printed Circuit Board (Parts Side)
29
Printed Circuit Board (Foil Side)
30
Schematic Diagram
33
Operating Confirmation Troubleshooting
34
Parts List
35
Electrical Parts
35
Main PCB
36
Main and Operation PCB
40
Operation PCB
41
Exploded View
42
Mechanical Parts
43
CM-91
44
PU Mecha. Unit
45
Remote Control Transmitter
46
Parts List for Carbon Resistors
47
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