Hanns-g HC 194D. 2.5 years old. Started with 1 vertical red line after heating up.
Replaced the bulging electrolytic caps. Okay for about a month. Then it reoccurred. I found that by pressing different areas of the top circuit board attached to the LCD, it would go away. The back casing is still off. Now I get 1 vertical green line at start up which goes away. Once in a while it may reappear or a red line may.
Attached circuit board area image.
Yellow circle seems to be a good pressure point.
MAX1977.. is a regulator
AR7 unknown
AS15F... unknown
SMD caps uF and v are all unknown.
It should be against some law to manufacture, sell or install unmarked caps
Any idea as to what may be causing the problem?
Thanks, Mike
Replaced the bulging electrolytic caps. Okay for about a month. Then it reoccurred. I found that by pressing different areas of the top circuit board attached to the LCD, it would go away. The back casing is still off. Now I get 1 vertical green line at start up which goes away. Once in a while it may reappear or a red line may.
Attached circuit board area image.
Yellow circle seems to be a good pressure point.
MAX1977.. is a regulator
AR7 unknown
AS15F... unknown
SMD caps uF and v are all unknown.
It should be against some law to manufacture, sell or install unmarked caps
Any idea as to what may be causing the problem?
Thanks, Mike
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