Panasonic PT-RZ770 / PT-RW730 / PT-RZ660 / PT-RW620 (serv.man4) Service Manual ▷ View online
DIS-11
SECTION 2 DISASSEMBLY PROCEDURES
< RZ770/RW730/RZ660/RW620 >
D-P.C.Board (LD2)
D-P.C.Board (LD1)
Power unit ASSY
Lens cover
6. Unscrew each 4 screws-E and remove the D-P.C.Boards.
E
E
E
E
E
E
E
E
E
2. 7. Power unit ASSY removal
1. Remove the Signal block following to step [2.5. Signal block removal].
2. Unscrew 6 screws-A and remove the Power supply block.
A
A
A
A
A
A
A
2. 8. DMD block removal
1. Remove the Side cover (L) following to step [2.4. Side cover (L/R), Front cover, Rear cover removal].
2. Unscrew 3 screws-A and remove the Lens cover.
A
A
A
A
DIS-12
SECTION 2 DISASSEMBLY PROCEDURES
< RZ770/RW730/RZ660/RW620 >
3. Unscrew 3 Torx screws-B and remove the CW cover.
[Note]
t
Carefully pull out the flexible cable of trim wheel from the through slit of the dust protection sheet.
t When re-assembling, make sure flexible cable is properly placed without slackness.
1) Unscrew the 2 screws and remove the CW plate.
2) Unscrew the 3 screws and remove the Color wheel.
2) Unscrew the 3 screws and remove the Color wheel.
B
B
B
Color wheel
CW plate
B
1)
2)
CW cover
DMD block
DMD heatsink
[ Note for re-assembling ]
t
Apply the heat dissipation compound evenly
to the rear surface of DMD heatsink.
t
Take care that compound does not stick out.
Smaller dia side of
spring to screw head
side
4. Unscrew 6 screws-C and remove the DMD block.
[Note]
t
Refer step 2.1 to remove of flexible cable.
C
C
C
C
C
C
C
D
D
5. Unscrew 4 screws-D and remove the DMD heatsink.
Heat dissipation compound :
Shin-Etsu Silicone [ G-776 ] grade
Apply heat dissipation compound
DIS-13
SECTION 2 DISASSEMBLY PROCEDURES
< RZ770/RW730/RZ660/RW620 >
2. 9. Rod ASSY removal
1. Remove the Side cover (R) following to step [2.4. Side cover (L/R), Front cover, Rear cover removal].
2. Unscrew 2 screws-A and remove the Radiator fan block.
6. Unscrew 4 screws-E, remove the FM-P.C.Board and DMD chip.
[Note]
t
Do not touch the interposer contact part on FM-P.C.Board. (cause poor contact)
t
Do not touch on the chip surface and contact pins of DMD.
E
E
1
2
3
4
[ Note for re-assembling ]
t Tighten the 4 screws in numerical order. (torque : 50 - 60 Ntcm)
FM-PCB
Insulator
Backer plate
DMD chip
Interposer
Radiator fan block
A
A
A
DIS-14
SECTION 2 DISASSEMBLY PROCEDURES
< RZ770/RW730/RZ660/RW620 >
C
C
C
3. Unscrew 2 screws-B and remove the Liquid cooling tank plate.
4. 1) Shift the position of radiators and tank as shown in the below.
2) Unscrew the 3 screws-C and remove the Rod ASSY.
B
B
B
Liquid cooling tank
(Upper)
(Upper)
Rod ASSY
C
2.10. Liqid Cooling Unit 1 / Liqid Cooling Unit 2 removal
1. Remove the radiators and tanks following to step [2.9. Rod ASSY removal].
t Shift the radiator block and then remove the Fixing cover.
Fixing cover
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