PT-VW431DU, PT-VW431DE, PT-VW431DEA (serv.man2) - Panasonic Projector Service Manual (repair manual). Page 17

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7-1. Duct and fans removal
Mechanical Disassembly
Mechanical disassembly should be made following procedures in numerical 
order.
Following steps show the basic procedures, therefore unnecessary step may 
be ignored.
Caution: 
The parts and screws should be placed exactly the same position as the origi-
nal otherwise it may cause loss of performance and product safety.
  
 Screws expression 
 
 (Type  
Diameter x Length
) mm
 
T type 
 
M Type
5-1. Thermal fuse replacing
3-1. MAIN and AV board removal
8. Fan(FN902) and filter house removal
7. Fan(FN907) and duct assy removal
6. Power box removal
5. Fan(FN908), lamp holder and speaker removal
4.  Fan(FN910) and optical unit removal
3.  MAIN&AV board assy, RC board removal
2. Cabinet top removal
 1. Air filter units removal
9. Cable reforming
Mechanical disassembling flow chart
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