G'day Rowan_Crowe,



25 Nov 96 12:32, Rowan_Crowe wrote to All:



 RC> *** WARNING! WARNING! ON TOPIC MESSAGE FOLLOWS ***



 RC> Recently while working in a school I spotted a lone Amiga monitor,



I'm gunna take a punt and assume you are talking about the 1084

monitor (I don't know if a 1081 exists)



 RC> was a lot clearer. Until ... about 10 minutes in, the picture just

 RC> faded away slowly. I checked all connections (and other channels),



A common fault with the 1084's



 RC> (doubtful for those symptoms), or a bad resistor or cap. A quick

 RC> check of the small circuit board attached to the end of the tube

 RC> revealed a couple of suspect looking joints, so I duly fired up the

 RC> soldering iron and redid several of the joints.



Hmmmmmm



 RC> (Note, prior to unscrewing the back, I had pulled the plug from the

 RC> wall with the monitor power switch still on, and left it to sit for

 RC> about 10 mins ... I was also very careful not to touch any of the



Thats a good idea....  leave it just long enough for the tube to build

up a nice healthy charge yto zap you with ;-)



 RC> Anyway, it's been working for 3 days straight now. I was somewhat

 RC> surprised and very pleased that simply resoldering those dry joints

 RC> had fixed it. Fluke, or what?



Probably a fluke...   the most common cause of no picture on these

monitors IS caused be dry joints, but not on the board connected to

the tube..  it is generally the dry joints on the Horizontal output

transformer.



Cheers,

Rod



--- FMail 0.94