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Discussion Starter #1
Anyone know which board is replaced when a 1251 or 1252 is upgraded to 1271 or 1272?? The only differences between the 125* and it's counterpart 127* is that the later has 21 convergence zones and I believe the imput frequency is higher on the later. Everything else remains the same. Is this a YA, YB or YC board replacement??

Thanks in advance for any help.
 

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Discussion Starter #2
Anyone??
 

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Discussion Starter #4
I am quite positive that it can be done and believe that Sony offered a kit to accomplish the upgrade.
 
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