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-   -   MONITOR VIEWSONIC...STRANGE PROBLEM... (https://www.diybanter.com/electronics-repair/92164-monitor-viewsonic-strange-problem.html)

Max February 21st 05 06:30 PM

MONITOR VIEWSONIC...STRANGE PROBLEM...
 
Hi Having a monitor Viewsonic that had a blowed vertical IC . I had changed
it , but now , without any signal , I should see a blinking "no signal"
pattern but I see large vertical color lines (red/blue/green), like a signal
pattern (color bar) but blurry.

With a input , samething .

The strange thing is when I turn off the monitor , I can see the picture for
a quick moment.

I had try to reduce the AC line , samething.

Help !

Thank...

I ll post the model # later today



Max February 21st 05 08:34 PM

Vertical IC replaced is a TDA8172.

By the way , is there any eprom inside the unit that can be corrupted ?


"Max" wrote in message
...
Hi Having a monitor Viewsonic that had a blowed vertical IC . I had

changed
it , but now , without any signal , I should see a blinking "no signal"
pattern but I see large vertical color lines (red/blue/green), like a

signal
pattern (color bar) but blurry.

With a input , samething .

The strange thing is when I turn off the monitor , I can see the picture

for
a quick moment.

I had try to reduce the AC line , samething.

Help !

Thank...

I ll post the model # later today






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