Today, repairing a Skyworth 21N16AA TV user reflects that the TV has a "squeaky" and "squeaky" sound. There is no obvious ignition mark when the cover is inspected for the high pressure pack and the high pressure cap.
The product is used for cutting reinforced concrete, granite quarry and marble
sawing wire, sawing wire rope, wire rope for cutting, wire rope for marble cutting, wire rope for stone cutting ROYAL RANGE INTERNATIONAL TRADING CO., LTD , https://www.royalrangelgs.com
According to past experience, this machine likes the voltage rise. In order to determine whether the sparking voltage is increased due to the B+ voltage, the short-circuit line drives the transformer secondary and the dummy load test machine. The B+ voltage rises to 200V. If you have a little repair experience, you don't need to check it to know which one is causing the disaster.
Remove the C610 measurement capacity. After replacing it, the B+ voltage is only 85V. Is there any bad part in the power supply? Carefully observe that the power supply part has been repaired by the person, the sampling potentiometer has been adjusted counterclockwise to the end, the potentiometer is centered, the dummy load is disconnected and the short-circuit line is turned on, and the image line is compressed on both sides with a jagged shape. The B+ voltage did not improve significantly.
Seeing the image, the old repair should have guessed the fault, and another movement is common.
Remove the two faulty components and see, one has passed through the battlefield, leaving a scar, and a C610 is glorious.
Put on two 160V/100U boot TVs. No fire.
C610, C615, C616 faults are very common in this movement. When the previous repair is repaired, the C610 may not be completely lost. Adjust the sampling potentiometer to reduce the B+ voltage. Causes B+ filter drum kit. This fault is a common problem, and the fire is also caused by the C+ failure B+ voltage rise, reminding the novice to pay attention.