Panasonic PT-RQ22KEJ (serv.man3) Service Manual ▷ View online
DIS-12
SECTION 2 DISASSEMBLY PROCEDURES
< RQ22K >
2. 4. Projection lens removal
1. Remove a lens fixing screw.
2. Remove the projection lens by turning it counterclockwise while pressing the lens release button.
2. 5. Top cover removal
1. Unscrew 6 screws-A and remove the top cover.
• Move the projection lens to the home position before replacing or removing the projection lens.
①
②
③
Lens release button
Lens fixing screw
Screw hole
A
A
A
A
A
A
Top cover
A
DIS-13
SECTION 2 DISASSEMBLY PROCEDURES
< RQ22K >
2. 6. Side cover removal
1. Unscrew 3 screws-A and remove the side cover.
A
A
A
Side cover
A
A
A
A
A
A
A
A
Terminal cover
A
TL-PCB
SL-PCB
S-PCB
9
2. 7. Terminal cover removal
1. Unscrew 7 screws-A and remove the terminal cover.
DIS-14
SECTION 2 DISASSEMBLY PROCEDURES
< RQ22K >
2. 8. Front cover and Rear cover removal
1. Remove the three connector lead wires connected to the S-P.C.Board inside the front panel.
2. Unscrew 8 screws-A, release each hooks on the covers and remove the front cover.
3. Release each hooks on the covers and remove the rear cover.
A x2
A x2
A x2
A x2
Rear cover
Front cover
R-PCB
2. 9. Signal circuit block removal
1. Loosen 12 screws-A and remove the engine top cover.
• Keep the work space to remove and insert the fine coaxial cable connector easier on the DP-P.C.Board.
A
Engine top cover
2
2
A
A
A
A
A
A
A
A
A
A
A
A
When assembling, tighten from this screw first.
DIS-15
SECTION 2 DISASSEMBLY PROCEDURES
< RQ22K >
2. Unscrew 9 screws-A and remove the signal circuit block upward.
3. Unscrew terminal fixing screws and 3 screws-B, and remove the J-P.C.Board.
4. Unscrew 6 screws-C and remove the G-P.C.Board.
A
A
A
A
A
A
Signal circuit block
A
A
A
• Each circuit board is connected by direct connectors, please be careful not to damage it during disassembly.
2
6
A
B
C
Ter
minal
fix
ing
sc
rew
s
B
B
B
C
C
C
C
C
C
G-PCB
J-PCB
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