10-2
CS 53 301
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
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.
Summary of Contents for FW-P900
Page 20: ...D O N O T P R I N T B L A N K P A G E ...
Page 25: ...4 1 4 1 SET BLOCK DIAGRAM PCS 103 615 Blue Strip wOOx BassTreble ...
Page 44: ...PCS 103 378 9 6 9 6 COMPONENT LAYOUT CHIP LAYOUT 3 4 2 1 6 5 3 4 2 1 6 5 ...
Page 55: ...10 3 CS 53 302 Service Position ...
Page 56: ...10 4 CS 53 303 Wiring ...
Page 74: ...D O N O T P R I N T B L A N K P A G E ...
Page 101: ...14 1 14 1 SPR 00 0142 ...