Panasonic PT-LB20NTU Service Manual

Also see for PT-LB20E: Operating instructions

Panasonic PT-LB20NTU Service Manual Manual pdf 21 page image

6. Reassemble the projector in the reverse order ofdisassembling, but leave the upper case and the screwsfixing the A-P.C.Board block as they are removed.7. Adjust the convergence according to the section 8.4."Convergence Adjustment".8. After the adjustment, while paying attention not to vary theadjusting result, tighten the 2 screws (upper) fixing thepanel attachment temporarily with a hexagon head wrench.Notes:· Prepare a hexagon head wrench processed short.· Service tool (Part No. TZSH07010), hexagon headwrench processed short, is available.9. Remove the LCD block again.10. Tighten the 3 screws fixing the panel attachment.11. Reassemble the projector as it was.7.14. LCD Panel DiscriminationID-tag seal color LCD panelRed LCD panel (R)Blue LCD panel (B)(No seal) LCD panel (G)· Since the ID-tag seal is pasted to the FPC of LCD Panl, (R),(G) or (B) can be easily identified by the color of the seal.· Finally, identify the panel color by the part number printedon the FPC.7.15. LCD Panel Combination· Part number is printed on the FPC of LCD Panel.· When replacing LCD Panel, use a component which hasthe same part number as the original.Model number LCDpanelPart No.R L5BDAXQ00221(L3P07X-46G10)PT-LB20NTU/E/EAPT-LB20U/E/EAG L5BDAXQ00222(L3P07X-46G10)B L5BDAXQ00223(L3P07X-46G10)R L5BDAXN00073(L3P07S-46G00)PT-LB20SU/E/EA G L5BDAXN00074(L3P07S-46G00)B L5BDAXN00075(L3P07S-46G00)R L5BDAXQ00248(L3P06X-55G10)PT-LB20VU/E/EA G L5BDAXQ00249(L3P06X-55G10)B L5BDAXQ00250(L3P06X-55G10)7.16. Replacement of IncidencePolarizer (R and B)1. Remove the LCD block according to the section 7.12."Removal of LCD Block".2. Unscrew the 2 screws.3. Remove the analysis case (upper) while expanding thehook of it outside.21PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA