Sharp XV-Z21000 (serv.man7) Service Manual ▷ View online
XV-Z20000/XV-Z21000/DT-5000
2 – 4
[4] Precaution on Mounting the PC I/F PWB
1. Insert the lower shield into the power supply unit.
2. Align the PC I/F PWB with the socket on the main PWB, and securely connect them by pressing the 3 socket sections from above.
3. Fit the upper shield to the lower shield.
NOTE: (1) You must pay attention to the fitting direction of the upper and lower shields (both sides). (Figures 1 and 2)
(2) The upper shield on the terminal side must not be placed on the PWB. (Figure 3)
4. Install the 2 screws (3-6).
5. Install the 4 screws (3-5).
The upper shield must be located the outer side.
The lower shield must be located
the outer side.
the outer side.
Upper shield
Lower shield
Figure 1
Hook
Hook
The lower shield must be located the outer side.
Upper shield
Lower shield
Hook
Hook
The upper shield must be located the outer side.
Figure 2
PC I/F PWB
Upper Shield
The upper shield must not be
placed on the PWB.
placed on the PWB.
Figure 3
XV-Z20000/XV-Z21000/DT-5000
2 – 5
[5] Removing the Power unit shield assembly and Power/Ballast assembly
1. Remove the five screws and remove the two hooks, and detach the Power unit shield assembly.
2. Remove the one connector.
3. Remove the two screws and remove the two PWB Holders, and detach the Power/Ballast assembly.
NOTE: Order the Power/Ballast assembly when replacing the ballast unit.
5-1
5-1
5-1
5-1
5-2
5-3
5-3
5-1
Power unit shield
Assembly.
Assembly.
Ballast CTR
PWB
PWB
Power/
Ballast PWB
Ballast PWB
hook
hook
5-3
XV-Z20000/XV-Z21000/DT-5000
2 – 6
[6] Removing the Optical mechanism unit, R/C Front PWB and IRIS Drive PWB
1. Remove the four connectors.
2. Remove the six screws and detach the Optical mechanism unit.
3. Remove the one screw and the one connector. Detach the R/C Front PWB.
4. Remove the two hooks and detach the IRIS Drive PWB.
6-2
6-1
6-1
Optical mechanism unit
6-3
6-4
R/C Front PWB
IRIS Drive PWB
XV-Z20000/XV-Z21000/DT-5000
2 – 7
[7] Removing the Lamp unit, CW fan, Outlet Fan, Lamp duct, Lamp fan, Bimetal, Temp sensor
and Formatter unit.
and Formatter unit.
1. Remove the three screws and detach the Lamp unit.
2. Remove the two screws and detach the CW fan.
3. Remove the three screws and detach the Outlet fan.
4. Remove the two screws and detach the Lamp duct.
5. Remove the two screws and detach the Lamp fan.
6. Remove the two screws and detach the Bimetal.
7. Remove the seven screws and detach the Temp sensor and Formatter shield (Back).
8. Remove the four screws and detach the Formatter PWB and DMD.
9. Remove the two screws.
10.Remove the one screw and detach the Formatter shield (Front).
Lamp unit
CW fan
Outlet fan
Lamp duct
Lamp fan
Bimetal
Temp sensor
Formatter shield (Back)
Formatter shield (Front)
Formatter
shield (Back)
shield (Back)
Formatter PWB
7-1
7-2
7-3
7-4
7-5
7-6
7-9
7-10
7-8
7-7
Display
