Panasonic CRS1, Service Manual

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1 Mechanism Overview 3
2 Mechanism Drive Unit 4
2.1. Tray Open/Close and Multi-Discs Change operations 4
2.2. Disc Selection operation 5
2.3. Play/Stop operation 7
3 Mechanism Operation Description 9
3.1. General Feature 9
3.2. Hardware composition 9
3.3. Mechanism Operation 9
3.4. Switches Chattering Check 12
3.5. Motor Movement Control 12
3.6. Plunger Timing Chart 12
3.7. Initialization of Mechanism Unit. 15
3.8. Mechanism "HOME" position 16
3.9. Mechanism "Play Driving" position 17
3.10. Trays Operation 18
3.11. Drive tray between STOCK and PLAY position 25
3.12. Selection of Tray by Moving UD base Up/down 26
3.13. Fail Safe 29
3.14. Manual Trigger Tray Close 30
3.15. Changer Error Code 31
4 Self diagnosis and special mode setting 32
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CRS1
4.1. Special Mode Table 32
4.2. Error code Table 34
5 Troubleshooting Explorer 38
5.1. Preparation of service jig 38
5.2. Checking of Changer Unit 38
5.3. Setting the trays in "STOCK" position 38
6 Flow Chart 49
6.1. Disassembly Flow Chart 49
6.2. Assembly Flow Chart 50
6.3. Disassembly Flow 51
7 Assembling and Disassembling Procedure. 53
7.1. Disassembling Procedures 53
7.2. Assembling Procedure 73
8 CRS1 (Changer Unit) Ageing / Reliability 93
8.1. Equipments 93
9 Notes of Schematic Diagram 94
10 Schematic Diagram 95
10.1. CD Loading Circuit 95
11 Printed Circuit Board 96
11.1. CD Loading P.C.B. 96
12 Exploded Views 97
12.1. CD Loading Mechanism 97
Mechanism Unit
CONTENTS
Page Page
ORDER NO. MD0509368C0
A6