XG-P25XE (serv.man42). Lamp flickers or it turns off in about 30 seconds 3 minutes of use, caused by ballast unit failure. - Sharp Projector Technical Bulletin (repair manual). Page 2

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LV-083
Sharp Electronics (UK) Ltd., Technical Services Group
Factory action
The improved ballast unit (with B mark) has been used for the production units from the
serial number below.
Model
Start serial number
XG-P25X (U)
307314233
XG-P25X (E)
308313523
XG-P25X (K)
308311254
The B mark is applied on the ballast/power assembly
*2 
too.
Refer to the next page.
*2 
Location of B mark on the ballast/power assembly
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