When Replacing Dvd Deck; Preparation Of Servicing - Sanyo DP26671 Service Manual

[ When removing the DVD Deck ]
Before removing Pick Up PCB and DVD MT PCB connector, the short circuit the position shown in Fig. 1
using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged.
[ When installing the DVD Deck ]
Remove all the soldering on the short circuit position after the connection of Pick Up PCB and DVD
MT PCB connector.
NOTE
• Before your operation, please read "PREPARATION OF SERVICING".
• Use the Lead Free solder.
• Manual soldering conditions
• Soldering temperature: 350 ± 5
• Soldering time: Within 4 seconds
• Soldering combination: Sn-3.0Ag-0.5Cu
• When Soldering/Removing of solder, use the draw in equipment over the Pick Up Unit to keep the
Flux smoke away from it.
Note:
There are 4 solder pads. If the
top & bottom pads are shorted
together, this solder must be
removed for the DVD to operate
The laser diode used for a pickup head may be destroyed with external static electricity.
Moreover, even if it is operating normally after repair, when static electricity discharge is received at the
time of repair, the life of the product may be shortened.
Please perform the following measure against static electricity, be careful of destruction of a laser diode
at the time of repair.
• Place the unit on a workstation equipped to protect against static electricity, such as conductive mat.
• Soldering iron with ground wire or ceramic type is used.
• A worker needs to use a ground conductive wrist strap for body.

WHEN REPLACING DVD DECK

o
C
Pick Up PCB
Short circuit using a
soldering iron.
.
Fig. 1

PREPARATION OF SERVICING

A1-3