Universal Loader; Emergency Open - Philips CDR796 Service Manual

Universal Loader

(Single Disc Tray Loader)
TABLE OF CONTENTS
Abbreviations ....................................................................8-2
Blockdiagram ....................................................................8-3
Component Layout CD Board ...........................................8-4
Circuit Diagram .................................................................8-5
Exploded View ..................................................................8-6
Mechanical Partslist ..........................................................8-6, 10-2
Electrical Partslist..............................................................10-7
8-1
Layout stage .5
Service hints
CAUTION
CHARGED CAPACITORS ON THE SERVO BOARD MAY DAMAGE THE CD DRIVE ELECTRONICS WHEN
CONNECTING A NEW CD MECHANISM. THAT´S WHY, BESIDES THE SAFETY MEASURES LIKE
• SWITCH OFF POWER SUPPLY
• ESD PROTECTION
ADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN.
The following steps have to be done when replacing the CD mechanism:
1. Disconnect flexfoil cable from the old CD drive
2. Put a paperclip onto the flexfoil cable to short-circuit the contacts (fig.1)
3. Remove the old CD drive
4. Remove paperclip from the flexfoil cable and connect it to the new CD drive
fig.1

Emergency open

In case of a Supply fault, the tray can be opened manually.
1. Remove the top cover of the set to get access to the CD Module.
2. proceed as shown in picture below.
8-1