HT-CN400DVH (serv.man3). excluding wiring diagrams - Sharp Audio Service Manual (repair manual). Page 10

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1. Software Upgrading

a) Burn the software "bank30.rom" in CD-R/CD-RW (lower burning speed is recommended).
b) Load CD-R/CD-RW in DVD receiver.
c) After finished loading, VFD will show "Read" and OSD will display "Reading".
d) After reading, system will start upgrading software, VFD will show "Update" and OSD will
    display "Erase" then "Writing".
    * If fail to upgrade, OSD will display "Checksum error". Turn off/on power and try upgrading
       again. If still fail, re-burn CD-R/CD-RW.
e) After finished "Writing", VFD and OSD will display "Done" then tray will open automatically.
    * If the tray did not open automatically, just proceed to next step (f).
f) Unplug and plug in AC power cord or turn off and on main power supply.
g) Turn on power and confirm the software version.
g). Defaults the reset => Power on the set, press “set up” button at remote control, SETUP menu will display at TV screen,
     go to enter PREFERENCES. At Preferences Page, go to Defaults-Reset and enter the Reset.

Caution : DO NOT disturb or cut off power supply during software upgrading, it will cause the data
               lost. Hence the flash IC have to be burned software again.

2. Special Key Control

a) Software version i)

On Tray open condition.

ii)

Press and hold remote controller key "Volume up" for 2 seconds.

iii)

Release "Volume up"key then press "Zoom" key.

iv)

OSD will display "  VER xxxx  x   yy   z  ".
 Where

xxxx  xis Version number
yy

is Tuner area

z

is Region code

b) Tuner Area

i)

On Tray open condition.

ii)

Press and hold remote controller key "Volume up" for 2 seconds.

iii)

Release "Volume up"key then press "Subtitle" key.

iv)

OSD will display "Tuner area".

v)

Follow OSD instruction to change the tuner area

vi)

After tuner area was changed, the preset station will be initialized at default station.

d) OSD Language

i)

On No disc condition.

ii)

Press and hold remote controller key "Volume up" for 2 seconds.

iii)

Release "Volume up"key then press "Subtitle" key.

iv)

OSD will display "OSD Language".

v)

Follow OSD instruction to change the OSD language.