Maintenance of EXFO Touch Screen LCD Screen FTB-100, FTB-150, FTB-200, FTB Touch Screen
EXFO touch screen LCD screen FTB-100, FTB-150, FTB-200, FTB touch screen maintenance EXFO touch screen Jiahongwei repair button damage, power board failure, high voltage board failure, LCD failure, motherboard failure, power black screen, flower screen, dark screen, touch failure, can not normally boot, touch problems, key problems, screen display problems (screen breakage, flower screen, white screen, black screen, etc.), communication problems Questions (touch unresponsive, touch slow response, etc.), power failure, motherboard problems, system problems, etc.

Jiahongweiwei Maintenance Process
Step 1: First, ask the user about the failure of the touch screen and the situation on the spot.
Step 2: According to the user‘s fault description, the cause of such failure is analyzed.
Step 3: Open the touch screen for maintenance, clean the machine comprehensively, confirm the damaged parts, and analyze the feasibility of maintenance and recovery.
Step 4: According to the working position of the damaged device, the working principle of the circuit is analyzed to find out the cause of the damaged device, so as to avoid similar failure next time.
Step 5: Contact with customers to discuss the replacement parts needed for maintenance, solicit users‘maintenance advice, and repair after customers confirm the quotation.
Step 6: Maintenance includes eliminating known faults, replacing aging and damaged components, thorough cleaning and maintenance of the whole machine inside and outside.
Seventh step: After repairing, simulated load test is carried out on the equipment. After the test is complete, it is returned to the customer, and the customer will go on the whole machine for on-site test.
Step 8: Deliver the touch screen to the customer when it works properly.