Lcd Panel Discrimination; Lcd Panel Combination; Replacement Of Incidence Polarizer (R And B) - Panasonic PT-LB20NTU Service Manual

PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA
6. Reassemble the projector in the reverse order of
disassembling, but leave the upper case and the screws
fixing 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 the
adjusting result, tighten the 2 screws (upper) fixing the
panel attachment temporarily with a hexagon head wrench.
Notes:
· Prepare a hexagon head wrench processed short.
· Service tool (Part No. TZSH07010), hexagon head
wrench 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 Discrimination

ID-tag seal color
Red
Blue
(No seal)
LCD panel
LCD panel (R)
LCD panel (B)
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 printed
on 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 has
the same part number as the original.
Model number
PT-LB20NTU/E/EA
PT-LB20U/E/EA
PT-LB20SU/E/EA
PT-LB20VU/E/EA
7.16. Replacement of Incidence
Polarizer (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 the
hook of it outside.
21
LCD Part No.
panel
R L5BDAXQ00221
(L3P07X-46G10)
G L5BDAXQ00222
(L3P07X-46G10)
B L5BDAXQ00223
(L3P07X-46G10)
R L5BDAXN00073
(L3P07S-46G00)
G L5BDAXN00074
(L3P07S-46G00)
B L5BDAXN00075
(L3P07S-46G00)
R L5BDAXQ00248
(L3P06X-55G10)
G L5BDAXQ00249
(L3P06X-55G10)
B L5BDAXQ00250
(L3P06X-55G10)