REPLACING POWER SUPPLY UNIT
When replacing Power Supply Assy, it is necessary to perform the following connector changes. Otherwise a unit cannot work properly and it might cause damage of unit. Therefore perform this connector settings without fail when replacing Power Supply Assy ( before power on the unit).
Location of jumper wire.
- As for service parts, Jumper connector is connected at connector P10.
- Remove the jumper connector from connector P10 and connect it to connector P11
- Connect cable connector from power SW to P10.
TO ENTER SERVICE MODE
By using a remote control unit
for servicing)
Remote control unit for
servicing : Press [FACTORY1] key. By issuing RS-232C commands )
During normal Standby mode :
Issue [PON] then [FAY].
During normal operation mode :
Issue [FAY].
By using a remote control unit
for servicing)
Remote control unit for
servicing : press [FACTORY1] key.
Remote control unit supplied :
press [HOME MENU] key. By issuing
RS-232C commands)
Issue [FAN].- User data on picture-quality and audio-quality adjustments are not reflected, and factory-preset data are output (user data will be retained in memory). When the unit enters Service Factory mode, the current audio-quality adjustment data will be still be retained in memory.
- As to data on various settings, user data will be applied to the items that are associated with signal format change (screenize switching, etc).
- Data on screen (i.e., screen position; meaning clock dividers, and not including data on screen size). are reset to the default values (data stored in memory will be retained).
- Screen size will be retained.
