Which company in Shanghai is the most professional in AB touch screen repair?

Which company in Shanghai is the most professional in B touch screen repair
Touch screen repair
: B touch screen repair can solve B touch screen common faults: black screen, blurry screen, blurry screen, no response or slow response when pressing the touch screen (poor touch), content Confused, unable to enter the system interface, no backlight, dark backlight, no characters with backlight, unable to communicate, no response to keys
B Common models of touch screens
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Hunan, Tibet, Beijing, Jinzhou, Zongwen District, Changping, Tongzhou District, Guangdong, Guangzhou, Shenzhen, Zhuhai, Jiangmen, Tianjin, Fujian , Fuzhou, Xiamen, Quanzhou, Jinjiang, Sanming, Longyan, Nanping, Fuqing, Lianjiang, Zhangzhou, Shandong, Hebei, Shijiazhuang, Baoding, Tangshan, Henan, Liaocheng, Zibo, Binzhou, Weifang, Dongying, Laiwu, Jinan, Qingdao, Chongqing, Shaanxi, Xi'an, Baoji, Ankang, Tongchuan, Hanzhong, Weinan, Xianyang, Hanzhong, Xingping, Jiangxi, Nanchang, Ji'an, Sanyuan, Shanghai, Pudong, Huangpu, Jing'an, Changning, Hongkou, Xuhui, Putuo, Songjiang, Baoshan , Qingpu, Jinshan, Fengxian, Nanhui, Jiangsu, Nanjing, Jiangyin, Suzhou, Kunshan, Taicang, Wujiang, Tongzhou, Wuxi, Rudong, Qidong, Haian, Yangzhou, Jiangdu, Baoying, Qinzhou, Xuzhou, Fengxian, Yancheng, Dongtai , Zhangjiagang, Lianyungang, Zhejiang, Hangzhou, Shaoxing, Wenzhou, Huzhou, Jiaxing, Jinhua, Yuyi, Yongkang, Wuyi, Anji, Taizhou, Changzhou, Anhui, Hefei, Anqing, Ma'anshan, Lai'an, Haozhou, Taihe, Huangshan, Suzhou, Tongcheng, Sichuan, Chengdu, Chongqing, Dujiangyan, Panzhihua, Chengdu, Guangxi, Nanning, Wuzhou, Hezhou, Hainan, Kunyang, Baoshan, Lijiang, Guizhou, Guiyang, Zunyi, Hubei, Wuhan, Yichang, Jingzhou, Suizhou, Liaoning , Shenyang, Jinzhou, Dandong, Dalian, Liaoyang, Heilongjiang, Harbin, Jilin, Changchun, Baicheng, Inner Mongolia, Qiqihar, Hohhot, Ningxia, Yinchuan, Qinghai, Xining
Maintenance
Process
First Step: Learn the fault status of the product.
Step 2: Analyze the causes of such failures based on the user's fault description.
Step 3: Open the product that needs repair
, confirm the damaged device, and analyze the feasibility of repair
recovery.
Step 4: According to the working position of the damaged device, read and analyze the working principle of the circuit to find out the cause of the damaged device.
Step 5: Solicit the user for maintenance
opinions and confirm the repair
price and delivery date.
Step 6: Find relevant components for replacement.
Step 7: Make sure that the product fault and its causes have been eliminated, and then turn on the power for testing.
Step 8: When the product is working normally, enter the system.