TV Repair Questions? Ask a TV Technician
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Please just to confirm what you have said please could you just check....
Does the spots appear on other inputs like a dvd or vcr or game please?
If you press the menu button of the sets own remote control can you still see these spots over the menu screen?
How long have you owned the set from new please?
The chip is available here
A word of warning.....replacing this chip is not easy and the risk of damage to the DMD board which the chip is on is high because of the fragile connections, also once the chip is fitted in the DMD board alignment is hell, you will need 2 people to carry this out to get any where near right also that board is calibrated for your chip ideally you need the chip and board together but the cost is high at $400+ from memory
I see you have logistical problems here but samsung where extending the warrenty for this fault and I have heard they were repairing this for free no matter how old the set so if you have a samsung agent near you its worth looking into, www.samsung.com for US
then find the support number or email
Let me know if you need more info please