Sharp PN-V601 (serv.man20) Service Manual / Technical Bulletin ▷ View online
IDP 2013 10 07
Date of Issue: 14
th
October 2013
Classification:
White
IDP TECHNICAL BULLETIN
Page 1 of 2
Sharp Electronics (UK) Limited
Reference
– PNF-A201
Revision - 1
White
– Carry out as required
Yellow
– Carry out as required and whenever the unit comes in for service
Red
– Carry out on all units
MODELS
PNV601
REASON
Release of a special support version of the service tool where yellowing is
experienced in the picture.
experienced in the picture.
ACTION
The whole screen (especially around the frame) may turn yellowish when displaying
the white screen after a long period of use under a high-temperature environment.
A special support version of the service tool has been released as a countermeasure
of this issue. The firmware included in the special service tool enables a higher colour
temperature setting.
If yellowing on the screen arises, write this firmware and then make the screen
adjustment on the colour temperature setting.
the white screen after a long period of use under a high-temperature environment.
A special support version of the service tool has been released as a countermeasure
of this issue. The firmware included in the special service tool enables a higher colour
temperature setting.
If yellowing on the screen arises, write this firmware and then make the screen
adjustment on the colour temperature setting.
Service Tool Version
– 1.8.5.0
Main Firmware Version
– 2.15 (Checksum 7B8682C7D4)
Note
– Do not write this firmware unless you are experiencing the yellowing
issue. There is no requirement to write this firmware on units not experiencing
this effect.
this effect.
IDP 2013 10 07
Date of Issue: 14
th
October 2013
Classification:
White
IDP TECHNICAL BULLETIN
Page 2 of 2
Sharp Electronics (UK) Limited
Reference
– PNF-A201
Revision - 1
White
– Carry out as required
Yellow
– Carry out as required and whenever the unit comes in for service
Red
– Carry out on all units
Update and Adjustment Procedure
1. Connect the unit and a PCusing a straight through serial RS-232 cable.
2. Start the service tool Version 1.8.5.0.
3. When the service tool is loaded, select "Main Firmware Ver.2XX
2. Start the service tool Version 1.8.5.0.
3. When the service tool is loaded, select "Main Firmware Ver.2XX
” button to write the
firmware.
Note - This service tool has only the writing function of the correction firmware.
Note - This service tool has only the writing function of the correction firmware.
4. After writing the firmware is completed, display a white screen. Then check if the
level of yellow tinge is improved.
5. If the improvement is not at a satisfactory level, make adjustments of the colour
temperature from MENU.
Press MENU on the remote control, select PICTURE and the select PRESET.
Make adjustment the necessary adjustments.
Make adjustment the necessary adjustments.
* After writing the special firmware, the initial setting is 12000K.
* When increasing the colour temperature, the on-screen blue is visually deeper.
* Visually make adjustments to the appropriate level.
* When increasing the colour temperature, the on-screen blue is visually deeper.
* Visually make adjustments to the appropriate level.
Display