My Dear Friends,
I Understood the problem.
I will explain it a little briefly.
There is an Integrated Chip (IC) inside the monitor which gave RED, GREEN and BLUE ( Primary Colours) to the CATHODE RAY TUBE (CRT) otherwise called monitor screen.
Due to long run, the IC might be cold soldered and one or two of the colours will not be supplied by the IC to CRT. so the CRT (monitor) will fail to display and mix the primary colours to get othe orginal colour.
The SOLUTION is to replace the IC with a new IC. As this requires a little bit expertise, please get help from the monitor service technician and ask him to replace IC with a new one. This can be done in home, so that you don't have to take the monitor to shop or service center.
All the things you have to tell the technician is to come with a stand-by ICs (NEW) for the MONITOR MODEL, in this case "SYNCMASTER 753S".
It cost around Indian Rupees 300/- for the cost of IC and another 200 Rupees for the service charge of technician.
I hope you solve this issue, if not write to me at [email protected]
with all details.