Changhong C2588Z TV screen, no characters, no color screen fault repair method |
| Time£º2014-04-29 08:47:34 Source£ºNetwork Author£ºUnknown Clicks£º1355 |
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feet, as shown below. Shun the signal flow check and found the line output transformer T46110 foot line pulse signal is weak, there is suspicion of an external diode VD405 leakage phenomenon. Welding under VD405 measure its positive and negative resistance value, and have found both positive and negative changes in the resistance value of about 3kΩ. After replacing the diode, character display back to normal, the screen color is also normal.ReSservice manual download site
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