Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

 
 
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Default Phillips 170C LCD monitor. No picture and all settings are at -1.


Any ideas.

I've had this 17" LCD monitor for three years plus with no problems what so
ever,

Untill today.

I turned the monitor on and then the PC and for some reason the initial
message was in chinese!
No signal!

This dissapeared and then all i had was a blank screen.

none of the buttons on the side worked, or they seemed not to work,

After a quick hunt 2~3 hours on the net, i mannaged to find that the OSD
was locked!

After unlocking the OSD (pressing and holding the ok button for 10 secs)

I reset the language to english and then reset the monitor to its factory
defaults.

Still nothing, (no display)

However the backlights are working ok as you can see the edge glow from all
four of them in the dark.

and the OSD is perfect,

there is no computer display even if you look across the LCD display.

I have plugged the monitor in to 2 other PC, still not working.

I have changed the resolution from 640*480 through to 1200*1024. none
display.

I have checked the cable from the PC to the monitor, all ok.

I then checked the OSD settings.

ALL OF THE SETTINGS, Colour, Brightness, R,G,B

have the value of -1 (minus one). normall in the range of 0 - 255

and you are not able to change any of these values!!

I have e-mailled phillips and have had no reply.

Any ideas?

Is there a service mode to this monitor?
can the monitor be completly reset?
any ideas as to where i can find a repair / service manual?

Thanks in advance

Mac.


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