Help and advice wanted (monitor repair)

[Lovrenco Vladislavic]

Hi there people,
My Eizo 9060S picture is "waving" upon start, and after 5-10 minutes monitor
works normaly. Can anyone give me advice what could be the problem?

Thank You in advance!

 

[ian field]

Hi there people,
My Eizo 9060S picture is "waving" upon start, and after 5-10 minutes
monitor works normaly. Can anyone give me advice what could be the
problem?

Thank You in advance!

A common cause of faults which go away as the equipment warms up is dried
out electrolytics that as a result have high ESR.

You can buy ESR meters from a variety of suppliers. The last eizo I worked
on had an awful lot of electrolytics - so checking them all can be tedious
work, use your senses such as look for bulged tops, sniff out any smells of
leaking electrolyte and (carefully!) feel for any electrolytics getting
hot - beware - any with floating, negative or AC rails will have live cans,
so only touch the plastic sleeve!

 

[3T39]

Hello, ian!
You wrote on Tue, 13 Jun 2006 21:15:32 GMT:


if> message ??>> Hi there people,
??>> My Eizo 9060S picture is "waving" upon start, and after 5-10 minutes
??>> monitor works normaly. Can anyone give me advice what could be the
??>> problem?
??>>
??>> Thank You in advance!
??>>
if> A common cause of faults which go away as the equipment warms up is
if> dried out electrolytics that as a result have high ESR.


Wavy edges of the picture area is typically caused by mains hum on the power
supply rails. As the previous poster suggested, it's probably dried up
electrolytic caps, most likely the main smoothing reservoir electrolytic in
the power supply section. Read the safety advice here
http://www.repairfaq.org/ before attempting a repair, these caps store a
lot of punch, but if it's dried up it will probably drain its charge pretty
quickly.


With best regards, 3T39. E-mail: [email protected]

 

[Electromotive Guru]

That's a tough one...Perhaps the picture has some kind of rippl
effect until it warms up? If you can perhaps give a better menta
image of this....