Philips 3dtc training service manual
This is the 20 pages manual for philips 3dtc training service manual.
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Extracted text from philips 3dtc training service manual (Ocr-read)
Page 1
2 The following steps have to be done when replacing the CD mechanism: 1. Disconnect flexfoil from old CD drive 2. Put a paperclip over contacts of flexfoil to short-circuit the contacts (fig.1) 3. Remove old CD drive 4. Remove paperclip from flexfoil 5. Connect flexfoil to new CD drive 6. Remove ESD-protection (solder joint) from laserunit (see below) 7. Position new CD drive in its studs CHARGED CAPACITORS ON THE SERVO BOARD MAY DAMAGE THE CD DRIVE ELECTRONICS WHEN CONNECTING A NEW CDM MECHANISM. THAT«S WHY, BESIDES THE SAFETY MEASURES LIKE ¥ SWITCH OFF POWER SUPPLY ¥ ESD PROTECTION ADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN. WARNING fig.1 Attention:The laser diode of this CD drive is protected against ESD by a solder joint which shortcircuits the laserdiode to ground. For proper functionality of the CD drive this solder joint must be removed afterconnection the drive to the set.
Page 2
3 WIRING Module WIRING CD Drive