Skyworth LCD TV 32L88IW/8TT3 boot a few seconds black screen fault repair - android - Phones Developers
Skyworth LCD TV 32L88IW/8TT3 boot black screen for a few seconds, with normal sound.
Symptom: The second time can be turned on, the black screen is a few seconds, and the sound is normal.
Troubleshooting: Disassemble inspection found that the backlight is not bright, measuring the high voltage driver board 24V normal, test the backlight board PWM signal has 4V voltage, normal, it is suspected that the drive board is faulty, after careful inspection of the relevant components found high voltage generator HC15, its internal coil Open the circuit, remove the component and carefully check that there is a mold at the end of the solder, and expand the skeleton with scissors - you can see the winding enamelled wire, put a piece of copper on the same diameter copper wire and lick a little flux, and lap it with a pointed soldering iron. Successfully, the other end is firmly welded on the binding post for several turns, and the overlapping section is sealed with glue, processed and replaced, and the test machine is trouble-shooted.
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Described including the upper shell, the upper shell at the top of the smoke outlet, as described in the bottom of the upper shell with airway, described with the smoke outlet in the airway and also to match the upper shell, the lower part of the shell described the airway in the direction of the lower shell extension, as described in the lower shell near one end of the upper shell is equipped with oil mouth, described the lower shell with batteries, described at the bottom of the bottom shell has come in The air port is provided with an oil storage bin in the lower shell, and the air passage passes through the oil storage bin and is provided with a heating atomization bin at one end away from the smoke outlet. The utility model has beneficial effects: it can meet the smoking habit of different users, avoid the premature end of the use experience caused by excessive consumption of smoke oil, and indirectly prolong the service time and life of the product.
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