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.
Содержание FW-C870
Страница 25: ...4 1 4 1 SET BLOCK DIAGRAM PCS 103 615 Blue Strip wOOx BassTreble ...
Страница 55: ...10 3 Service Position ...
Страница 56: ...10 4 Wiring ...
Страница 69: ...10A 3 Service Position ...
Страница 70: ...10A 4 Wiring ...
Страница 76: ...10A 10 10A 10 ...
Страница 107: ...14 1 14 1 SET MECHANICAL EXPLODED VIEW ...