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Maintenance Example of Changhong LCD TV LED 32B3100iC Flower Screen Reversal

Source: Time:2018-09-20 14:12:09 views:

A Changhong LED 32b3100ic LCD colour TV, Sanwu, after inspection, common mode filter coil virtual welding of power board, repair welding is good, no + 5Vsb, converted from 12V DC/DC, forced startup, LED lights on. BGA on motherboard, no tools and accessories, board replacement is the best policy. Guangzhou Chuangliyou Machinery Equipment Co., Ltd., specializes in the production of LCD screen maintenance equipment, pulse. Stamping Screen Machine, Large Screen Press Machine!
A Changhong LED 32b3100ic LCD colour TV, Sanwu, after inspection, common mode filter coil virtual welding of power board, repair welding is good, no + 5Vsb, converted from 12V DC/DC, forced startup, LED lights on. BGA on motherboard, no tools and accessories, board replacement is the best policy. Guangzhou Chuangliyou Machinery Equipment Co., Ltd., specializes in the production of LCD screen maintenance equipment, pulse. Stamping Screen Machine, Large Screen Press Machine!
Taobao contacted several of them. They said that there was no one model, only this one. They could only say that they could enter the bus to adjust the screen. Therefore, they made a single copy. The motherboard of the original machine was juc.820.00064487 CHASS M38IS-B V3 2012.0704 main board component, JUC6.690.00065211 LM38-V100062-41 screen type M320X12-E1-L. After loading the goods to the rear loader, it was dumbfounded, inverted screen, flower screen. Sample board, no 25 and 24 series of memory, no brush program, read and write online with RT809F, can not recognize, U disk brusher can not brush, menu plus 0816 into the bus adjusting screen ginseng. Can not enter, the head is big, contact the seller, the seller asked for return, but also for me very anxious, return small, round-trip freight costs to 15X2 = 30 yuan, the seller is not losing, I want to take 30 in vain. In case the new board is like this one, it will be more vicious circle, and the user time will never be allowed. No way, the buyers and sellers will build a bridge of friendship, and each side will find its own way to repair it perfectly. Guangzhou Chuangliyou Machinery Equipment Co., Ltd. specializes in the production of LCD maintenance equipment, pulse screen presses, large-scale screen presses!
Processing results are as follows: using hands and feet on the logic board, removing R24 on the logic board, resolving the reverse screen problem, removing R1 without using, connecting 3.3V power supply to the IC direction of the chip at the other end, resolving the flower screen problem, resolving all the problems, making the sound loud, the image clear and intact as before.

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