How do I find the chassis (L3 or L6) number? Samsung rear projection TV model#HLR5667WAX/XAA . There is nothing on the left side of the TV to tell me and we recently replaced the ballast which was flat on the botton of the TV case. HELP! as we have a clicking sound and now need to replace the color wheel and can't do it without the chassis info. thank you.

SOURCE: how do I know if it is L6 or L3 chassis

you need to look on the right side of the set (facing the front of the set) for a small label that says
model code...
serial number..
version..
if the version number is blank or PW01 you have the
L3 chassis.
if it says PU02 then you have the L620 chassis
also the L3 chassis has the ballast on a slight angle and the L620 has the ballast straight.

SOURCE: L3 or L6 chassis?

The chassis number for this DLP should be printed at the back where you will find the model number and manufacturing date code as well.

SOURCE: I have a Samsung HL-R5667WX/XAA Rear Projection

I have the same TV