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Mechanical Instructions 4.2
4.2.1
SD-5.31SL
4.
EN 9
Service Hints
Repair tips DVD Module SD5.31SL The DVD module is an integrated unit of TOHEI SLOT-IN loader and Monoboard.
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.
solder joint
CL 36532043_018.eps 020603
Figure 4-3 ESD solder joint Monoboard The Monoboard has to be repaired down to components level. Repair handling of the Monoboard requires a workshop with sophisticated de-soldering tools. 4.2.2 Change of Slash number setting The software setting can be change according to the following procedure: 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. 4.2.3 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. Application software 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 Servo software 1. First, make the CD-R/CD-RW:� Disc format � The disc format must be CD-ROM Mode 1 and ISO9660 format. � Writing mode � 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 recommended to write only this file into the disc & write it in DAO ie. Disc At Once mode. 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 effect.
