What is the difference between Shelf Edge LCD Display and Stretched Bar LCD Display?

What is the difference between Shelf Edge LCD Display and Stretched Bar LCD Display? Shelf Edge LCD Display has a more significant aspect ratio and is mainly used in retail areas, such as shopping malls, supermarkets, convenience stores, pharmacies, etc. Stretched Bar LCD Display can satisfy all your imagination of LCD products. Through DNR cutting

By |2021-08-31T19:09:53+08:00February 28th, 2016||0 Comments

Maintenance of common failures of the motherboard

1. Observation method: Observe the main chip, PCB board, power IC, and each slot. ① Observe whether the main chip has obvious burning, scorching, or burning. ② Check whether there is a short circuit in each slot. 2. Touch method: (Power on for a period of time): Touch each chip, IC, etc. of the motherboard

By |2021-08-31T19:30:09+08:00February 28th, 2016||0 Comments

Detection method and sequence of failure to turn on

1. Check the three major working conditions of the CPU Powered by Clock Reset 2. Remove the BIOS and check if the 22-pin chip select signal has jumped 3. Try changing the BIOS and check the line connected to the BIOS 4. Check ISA, PCI data lines, address lines (and AD), interrupts and other control

By |2021-08-31T20:08:51+08:00February 28th, 2016||0 Comments

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