Having problems with your Hanns.G Corporation JW-199DPB 19" LCD Monitor ?

I-INC CY199D lcd monitors will not turn on

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\015 I have 2 CY199D monitors. About a month ago unit 1 would not come on and the blue power lamp flashed from off then amber then blue in some sequence. Pressing the power button has not effect, won't go on or off. The screen is completely dark with no sign of life. I called for support but I-Inc , now called Hanspree (or something like that) said they though the board was probably defective and the part is 1/3 of the unit cost. It was 1 month out of guarantee. They said that there is nothing that can be done to reset the unit without the display up. OK a bad unit. Today unit 2, which is less than 2 years old and also out of guarantee, did the same thing. I turned the monitor off because I have been away and when I turned the system on I forgot to turn on the monitor. The computer was up when I turned on the monitor but the display did not light up and now the power button no longer functions and the lamp does the same thing. I tried disconnecting the power for a while but to no avail. I was not present when the first monitor quit but I suspect that the sequence was the same.Anyone have any suggestions besides throwing the monitors away and staying away fron I-Inc?\015

Answers :

The problem is the program for the graphics card is stored on a 16K serial eeprom which is used as a rom this can get corrupted which causes the problems you are experiancing.
\015\012I have repaired three of these monitors by re-flashing the eeprom with a program cloned from a working monitor all worked fine after refashing.
\015\012Now the bad news as the eeprom is used as a rom it is write protected on the board so the only way to program it is to remove it flash it with a valid program and then replace it easy if you are a surface mount expert.and have a serial eeprom programmer.
I just confirmed on my monitor.. same symptom.. it was the 8 pin serial rom on the cpu card of the monitor (with the video jacks). 24lc16b IC replaced and i have a working monitor. $.28 part and $6 shipping.
Repair Help & Product Troubleshooting for Hanns.G Corporation JW-199DPB 19" LCD Monitor

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