Question about Princeton Digital Arcadia AR2.7AV 29 in.CRT Conventional Monitor
OK, this is my problem, the monitor had been working perfectly fine all the time no problems at all, but one day i left my pc on and the monitor went to stand by. the problem was when i brought it back from stand by, I could only see a line across the screen. i thought it could be the power so i unplugged the monitor, plugged it back on and the same thing happened. i thought it could've been the PC, so i tried another monitor, and the pc was fine. after looking at the line for a while and trying different things i realized that when i pressed buttons the line did change, which indicates the tv is receiving signal. one curious thing about it is that when i change source (by pressing the source button) i see three green lights on the left side of the line, which is where the name of the source would normally appear (hence source 1 or source 2). What it really looks like is, that someone messed with the vertical size of the TV and it was reduced so much that it only shows a little line across the TV. My monitor is a princeton arcadia 27 inch AR2.7av and i was wondering if you guys know of a way to reset the settings without actually being able to see anything... since the line is like 3 pixels tall it's pretty much impossible to tell what's being displayed...
9 times out of 10, the vertical output IC I501 ( TDA1675 )and resistor R574 (1 ohm, 1 watt) are bad...The resistor opens up because Vert. IC has gone bad. IC doesn't get 30 volts from the power supply, hence , no vertical sweep....
Don Kirsch Questar III BOCES
Posted on Jan 08, 2009
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