Observe the machine without boot for connection to the host, the screen can be bright, can display the self-inspection. But even after the machine start up, a "horizontal frequency beyond the native" prompt, no image display, but the green power indicator light is normal. According to the experience of maintenance such failures, data may be memory problems, but with a programmer to read the data of the machine but can't read it out, the switch to another programmer. Berservice manual download site
 Berservice manual download site
The machine's memory for A81DC, look from the design of the circuit, the memory is the same as the normal 24 CXX connection. Read not to come out now, is a suspect the particularity of the storage, 2 it is doubt whether programmer has read the data storage function. As data, A * 1 dc is samsung memory number form, the corresponding model is 24 c0x. Such as A41DC corresponding 24 c04, 24 c08 A81DC corresponding... So the memory is not special, but changed both programmer to read not to come out, explain the memory has been damaged. Berservice manual download site
 Berservice manual download site
 Berservice manual download site
In a same model of samsung 765 m display memory read data, write a blank 24 c08, installed after the boot, grating, showed normal, and troubleshooting.Berservice manual download site