DVD Module SD5.31SL
The DVD module is an integrated unit of TOHEI SLOT-IN
loader and Monoboard.
The Monoboard has to be repaired down to components level.
Repair handling of the Monoboard requires a workshop with
sophisticated de-soldering tools.
Change of Slash number setting
The software setting can be change according to the following
1. Press PLAY< 159>
2. Enter the 8-digit code <2><2><2><0><0><5><0><0> on
the remote control.
3. Press PLAY.
4. The change should effect immediately with information
indicated on TV screen.
Software upgrade via Download disc
Both the application and servo software can be flashed into the
DVD player by means
of a CD-ROM disc. The CD-ROM disc has to be made with a
CD writer SW.
1. Insert the Upgrade disc into the player.
2. The upgrading operation will start automatically.
3. Once the upgrading process finishes, the player will
automatically eject the disc.
4. Remove the Upgrade disc.
5. The player will be restarted automatically and display on
TV screen will show
1. First, make the CD-R/CD-RW:-
The disc format must be CD-ROM Mode 1 and
The volume name (Label) of the disc must be
"ALI_CODE" & the file name of the upgrading
firmware must be "PS57.BIN". You must put the
file as the first item in the disc.Highly
TOHEI SLOT-IN Loader
The loader is a non-repairable unit and in case of failure, it has
to be replaced with a new loader.
When replacing with a new Slot-in loader, two solder joints
have to be removed after connecting the OPU flex foil to the
Monoboard. The solder joints which short circuits the laser
diodes to ground are for protection against ESD. Refer to
Figure "ESD solder joint" for location of solder points.
Figure 4-3 ESD solder joint
2. Upgrading procedure
3. Power-on the module.
4. Insert the Upgrading disc. Make sure that this is the first
disc that the module sees, otherwise the module will treat
it as a general cd-rom disc & not perform the upgrade.
5. The upgrading process takes about 10 secs. & when it
finishes, the disc will be ejected.
6. Power sequence the module for the new code to take
recommended to write only this file into the disc &
write it in DAO ie. Disc At Once mode.