Panasonic PT-RZ120 (serv.man2) Service Manual ▷ View online
DIS-16
SECTION 2 DISASSEMBLY PROCEDURES
< RZ120 >
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.
3. Unscrew 3 Torx screws-B and remove the CW cover.
t
Pay attention not to damage the flexible cable from the color wheel.
t
When assembling, make sure flexible cable is properly placed without slackness.
A
A
A
Lens cover
A
B
B
B
CW cover
B
• Color wheel removal
1) Unscrew 2 screws and remove the CW plate.
2) Unscrew 3 screws and remove the Color wheel.
Color wheel
CW plate
1)
2)
DIS-17
SECTION 2 DISASSEMBLY PROCEDURES
< RZ120 >
4. Unscrew 6 screws-C and remove the DMD block.
• To remove the flexible cable, refer to the instructions of [2.1. Removing/inserting the flexible cable].
5. Unscrew 4 screws-D and remove the DMD heatpipe.
[ Note for re-assembling ]
• Apply the heat dissipation compound evenly to the rear surface
of DMD heatsink.
• Take care that compound does not stick out.
Heat dissipation compound :
Shin-Etsu Silicone [ G-787 ] grade
Shin-Etsu Silicone [ G-787 ] grade
C
C
C
C
C
C
DMD block
C
D
D
D
D
DMD heatpipe
D
Apply heat dissipation
compound
DIS-18
SECTION 2 DISASSEMBLY PROCEDURES
< RZ120 >
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.
(Remove the earth wire connected to the lighting case.)
6. Unscrew 4 screws-E, remove the FM-PCB and DMD chip.
t
Do not touch the interposer contact part on FM-PCB. (Cause poor contact)
t
Do not touch on the chip surface and contact pins of DMD.
[ Note for re-assembling ]
t Tighten the 4 screws in numerical order. (torque : 50 - 60 Ntcm)
E
DMD chip
Interposer
FM-PCB
Insulator
Backer plate
E
E
E
E
1
2
3
4
A
A
A
Radiator fan block
DIS-19
SECTION 2 DISASSEMBLY PROCEDURES
< RZ120 >
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 3 screws-C and remove the Rod assy.
2.10. Liquid cooling unit 1 / Liquid cooling unit 2 removal
1. Remove the radiators and tanks following to step [2.9. Rod assy removal].
t Shift up the radiator block and then remove the Fixing cover in the arrow direction.
B
Liquid cooling tank
B
B
Rod assy
C
C
C
C
Fixing cover
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