Philips FW-C50/37, Руководство по обслуживанию

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Display Tuner PCB Bottom View
Display Tape Module Adjustment Table - MTF Module
Display Recorder PCB Bottom View
Servicing the CD Drive
ESD Warning - CD Drive
WARNING: 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.
The following steps have to be done when replacing the CD mechanism:
1. Disconnect CD drive flexfoil from old CD drive.
2. Connect paperclip to CD drive flexfoil to short-circuit flexfoil
Display Flexfoil Short-circuit
3. Remove old CD drive.
4. Remove short-circuit from flexfoil.
5. Connect flexfoil to new CD drive.
6. Position new CD drive in its studs
7. Remove short-circuit (solder joint) from Laser unit (see below).
Attention: The laser diode of a new replacement CD drive is protected against ESD by a solder joint
which short-circuits the laser diode to ground.
For proper functionality of the CD drive this solder joint must be removed
after connection of the drive
to the system.
Display Solder Joint detail
CD Board Service Position
Display CD Board Service Position
CD Mechanism Wiring Information
Display CD Mechanism Wiring detail