TCL ML-56Liquid crystalMonitor is TCL company chose the planar video to the market 2001, it is OK that its function still calculates, but this kind of monitor has a common fault, when using the left and right sides namely, can appear to switch on the mobile phone to show without image sometimes, the monitor when perhaps be being used will be abrupt Hei Bing, now and then cross image on a few minutes to come out again. The expression of breakdown does not have the rule, exceedingly bored. In my maintenance process, had encountered more than 10 same trouble. If this kind of breakdown takes dozen of maintenance station maintenance, at least wants 300 yuan. If you read article, can feel this question is too simple, oneself also can be done calm. This trouble is very originally little also, a minute of money need not be spent can foster cordial relations between states. If you do not have a tool, need to spend bit of money that buys a tool only. 　　 Liquid crystalThe working principle of monitor: Liquid crystalItself won't give off light, of its image show and brightness adjustment is relied on be in a poor light the adjustment of lamp brightness. InLiquid crystalWhen monitor works, the light that is in a poor light the lamp is given out is crossedLiquid crystalScreen, Liquid crystalThe image content that screen shows greets eye affection of the person, at this moment we just can seeLiquid crystalThe character that monitor shows and image. If be in a poor light the lamp damages, do not have the light to give out, at this moment our whats cannot see. If we observe carefully,do not passLiquid crystalScreen, can seeLiquid crystalThere is light image to show on screen, also be in a poor light with respect to the specification at this moment circuit is bad related the lamp. If be in a poor light lamp circuit is in good condition, and indication circuit part has a problem, at this moment we can seeLiquid crystalThere is bright Baiguang to give out at the back of screen. Liquid crystalThe breakdown of monitor is to be in a poor light mostly lamp circuit problem or power source problem, the most likely in carrying photoelectricity road breakdown on the back is short circuit of interior of step up coil or open circuit. Tool configuration: The screwdriver of ￠ 4*200, 20W electric iron, soldering tin silk a paragraph, penknife (these are blame Chang Yi is found and also be very cheap tool) . Maintain whole process: 1. It is above allLiquid crystalMonitor appends report alone, observe breakdown phenomenon, whether to have afore-mentioned breakdown show. Join with lead plane again fine line, open monitor, whether is the power source indicator light that watchs video green from beginning to end, Liquid crystalScreen has image to show. If identify carefully, whether can send existing and light image to show, not was in a poor light from beginning to end nevertheless appear.
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