Dvd Unit Downlold Procedures - Sharp SD-SH111H Service Manual

1. Version upgrade procedure
This unit can overwrite the program inside via the dedicated cable, using the special software from PC. As this program and the
program of the drive ass'y need to be matched when replacing the drive ass'y, upgrade the firmware of this unit by following the
procedures below.
Procedures and the program version have to be changed according to the contents of service. Upgrade based on the service
information issued occasionally.
* The drive number is written on the label on each package.
Note: After version upgrade, the system must be reset, which deletes all user data in the memory. Be sure to get permission from
the user in advance.
1. Connection
(1) Remove the screw for the connector cover on the back of the unit and connect the cable (QCNWK0001AWZZ) to the
connector.
(2) Connect the unit to the PC via the RS-232C level converter.
Connection diagram
Back of the unit
2. How to Download
1. Conect the download tool (004 941 0034 [RUNTK0808GEZZ] : RS-232C Level Converter and QCNWK0001AWZZ:
connection adapter) to your PC's COM1 port.
2. Execute "download.exe"
3. Connect service tool to jack of set.
Remove the screw for the connector cover on the back of the unit and connect the cable (QCNWK0001AWZZ) to the
connector.
4. Input 1(Start)by a menu of Download.exe.
Downloader
1. Start
2. End
Select = _
Preparation of the DVD set
(1) While pressing down the PLAY and VOLUME UP keys
simultaneously, press the POWER key to enter the
TEST MODE.
"Ver. ∗∗∗∗" appears.
(2) After selecting "DVD ROM" using the VOLUME UP/
DOWN key, press the PLAY key or "6" key on the remote
control "DVD WRITE" appears.
* : it goes into the DVD ROM WRITE TEST, in more than
5-second for 30-second within, on the personal
computer side. If the next data transfer mode "the
operation of 5" isn't manipulated, because it isn't
written normally. Be careful.
DVD UNIT DOWNLOAD PROCEDURES
Connector cover
Dedicated
cable
Remove the screw
RS-232C
level converter
RS-232C cable
PWB
Figure 21-1
RS-232C level
converter PWB
Adapter cord
Molex 2 pin conector
– 21 –
SD-SH111H
PC
RS-232C
PC (DOS)
RUNTK0808GEZZ
RCA PIN PLUG
RCA PIN JACK
QCNWK0001AWZZ
Unit
Figure 21-2