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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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vertical jitter problem (SONY GDM-200PS)
Hi,
I got a used SONY GDM-200PS monitor. It is a really nice 17" monitor. However, it has a vertical jitter problem. The screen on left and right sides are distorted. It looks like: \ / / \ | | \ / / \ \ / / \ The image at the center also has the vertical distortion, but it is not as bad as left or right side. I suspect it may be as simple as a bad Cap. Would anyone enligthen me how to fix it? Thanks a lot in advance! Torgoch |
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vertical jitter problem (SONY GDM-200PS)
Hi Wayne,
Thanks for the tips and URLs. I just come back from a trip and read your message. Sorry for the late response. It seems no luck for me, since I bought the complete monitor for 40CAD, and hope to repair it by just replacing some caps. Now the result is out of control. The new CXA2043Q ($36.39) will almost cost another used monitor, and I think that I have only 50% confidence in the success of soldering operation. Anyway, your message may save me a lot of time in searching bad caps. Again, many thanks and best wishes. Torgoch (Wayne) wrote in message news:400aecaf.2394553@shawnews... On 18 Jan 2004 10:03:05 -0800, (torgoch) wrote: Hi, I got a used SONY GDM-200PS monitor. It is a really nice 17" monitor. However, it has a vertical jitter problem. The screen on left and right sides are distorted. It looks like: \ / / \ | | \ / / \ \ / / \ The image at the center also has the vertical distortion, but it is not as bad as left or right side. I suspect it may be as simple as a bad Cap. Would anyone enligthen me how to fix it? Thanks a lot in advance! Torgoch The GDM-200PS is a Sony N3 chassis; most likely failure is CXA2043Q, which results in many deflection-related faults, a common failure in N3 chassis. Requires above average soldering skills to replace without destroying the mainboard traces. You can download the service manual here http://www.geocities.com/monitorss/schematics.html MCM http://www.mcmelectronics.com/ has the IC for $36.39 - best price you are likely to find. Wayne |
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