Sony DSBK-150 - Table of Contents

1
DSR-70/70P
TABLE OF CONTENTS
1. OPERATING INSTRUCTIONS
2. SERVICE OVERVIEW
2-1. Power Supply ................................................................................................. 2-1
2-2. Connectors and Cables ................................................................................... 2-2
2-3. Input/Output Signals of Connectors ............................................................... 2-3
2-4. Locations of Main Parts and Circuit............................................................... 2-8
2-4-1. Printed Circuit Board Location Diagram and Circuit Configuration ..... 2-8
2-4-2. Main Mechanical Parts ......................................................................... 2-10
2-4-3. Locations and Functions of Sensors ..................................................... 2-12
2-5. Functions of Record Proof Hole and Record Proof Plug of Cassette .......... 2-14
2-6. Removal and Attachment of Cabinets .......................................................... 2-15
2-6-1. Battery Panel Assembly ....................................................................... 2-15
2-6-2. Top Frame Assembly ........................................................................... 2-15
2-6-3. Bottom Plate Assembly ........................................................................ 2-15
2-6-4. Rear Panel Assembly............................................................................ 2-17
2-6-5. Control Panel Assembly ....................................................................... 2-17
2-7. Replacement of Main Parts .......................................................................... 2-19
2-7-1. Back Light ............................................................................................ 2-19
2-7-2. LCD Unit .............................................................................................. 2-21
2-7-3. Jog/Shuttle Dial .................................................................................... 2-21
2-7-4. Cassette Compartment Assembly ......................................................... 2-22
2-7-5. Mechanism Chassis Assembly ............................................................. 2-23
2-7-6. DC Fan.................................................................................................. 2-23
2-8. Removal and Attachment of the Circuit Boards .......................................... 2-24
2-8-1. Plug-in Boards ...................................................................................... 2-24
2-8-2. CP-326 Board ....................................................................................... 2-24
2-8-3. CP-325 Board ....................................................................................... 2-25
2-8-4. DC-97 Board ........................................................................................ 2-25
2-8-5. RE-159 Board ....................................................................................... 2-26
2-8-6. DAP-21 Board ...................................................................................... 2-27
2-8-7. RP-105 Board ....................................................................................... 2-27
2-8-8. DDE-13 Board ...................................................................................... 2-28
2-8-9. DR-364 Board ...................................................................................... 2-29
2-8-10. MB-804 Board ...................................................................................... 2-30
2-8-11. KY-433 Board ...................................................................................... 2-32
2-8-12. DP-290 Board ....................................................................................... 2-33
2-9. On-Board Switch and Slit Land Setting ....................................................... 2-34
2-10.On-Board Indicator Description ................................................................... 2-39
2-11.How to Eject a Cassette Tape when Tape has Slack (Manual Eject) ........... 2-41
2-12.Head Cleaning when Head Clogging Occurs ............................................... 2-44
2-13.Operating the VCR without a Cassette Tape................................................ 2-44
2-14.On Power Protection Circuit ........................................................................ 2-46
2-14-1. Resetting Circuit Breaker ..................................................................... 2-46
2-14-2. On IC Link............................................................................................ 2-46
2-15.On Backup Battery ....................................................................................... 2-47