
10-2
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 (fig.1)
3. Remove old CD drive
4. Remove short-circuit from flexfoil of CD drive
5. Connect flexfoil to new CD drive
6. Position new CD drive in its studs
7. Remove short-circuit from Laserunit
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
after
connection the drive to
the set.
www.freeservicemanuals.info
1/3/16
Published in Heiloo, Holland.
Summary of Contents for FW-V720
Page 48: ...8 6 8 6 MPEG 01B BOARD LAYOUT www freeservicemanuals info 1 3 16 Published in Heiloo Holland ...
Page 69: ...10 3 Service Position www freeservicemanuals info 1 3 16 Published in Heiloo Holland ...
Page 70: ...10 4 Wiring www freeservicemanuals info 1 3 16 Published in Heiloo Holland ...
Page 80: ...Technical remarks 10 14 www freeservicemanuals info 1 3 16 Published in Heiloo Holland ...