10-2
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 on the flexfoil to short-circuit the contacts (fig.1)
3. Remove the old CD drive
4. Remove paperclip from the flexfoil and connect it to the new drive
5. Position the new CD drive in its studs
6. Remove solder joint from the Laserunit
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.
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 after connection the drive to
the set.
Emergency open
Service hints
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 Changer Module.
2. Turn gearwheel clockwise (as shown in picture below).
CAUTION
Summary of Contents for FWM15/21
Page 52: ...10 4 Wiring Disc Motor Inner switch Slide Motor Service Position ...
Page 69: ...11 6 POWER BOARD COPPERSIDE VIEW P2001 30 70W AN17850 PWR313 11 6 ...
Page 75: ...12 4 12 4 SOURCE SELECTION SOUND PROCESSING CIRCUIT ...
Page 76: ...12 5 12 5 HEADPHONE AMPLIFIER I2 C EXPANDER CIRCUIT 1K ...
