JVC Model 200 - Manual (Page 105)

Chapter 4---Maintenance (Removal/Replacement)
4.5 Arc Lamp Power Supply
To remove the Arc Lamp Power Supply:
1. Remove the front cover (Section 4.2).
2. Remove the lower-right-front-side panel by removing
the 5 pozidrive screws securing it.
3. Remove the 2 pozidrive screws from the bottom of the
EMI shield and slide it out of the way to the left.
4. Remove and label the cables from the DC OUTPUT
terminal, J74.
5. Disconnect J71 (AC Input).
6. Disconnect J72 (SIGNAL CABLE).
7. Remove J73.
8. Remove the 2 screws at the bottom of the ALPS and
carefully slide it out of the projector.
9. Replace the Arc Lamp Power Supply in reverse order
from above. NOTE: When replacing the cables on the
± terminals on J74, a mechanical pickup tool is very
useful to start the screws.
10. Perform the Arc Lamp Focus, Alignment, and Current
Setting procedures as shown in Section 3.1 and 3.2.
4.6 Low Voltage Power Supply
To remove the Low Voltage Power Supply:
1. Remove the front cover.
2. Remove the lower-right-side panel by removing the 5
pozidrive screws securing it.
3. Remove the 2 pozidrive screws securing the EMI
Shield. Slide the shield to the left and remove it.
4. Remove J76 (DC Output) and J75 (AC Input) from the
left side of the Low Voltage Power Supply. NOTE:
These connectors may be difficult to remove and it may
be necessary to angle the LVPS partly out of the
chassis in order to get a firmer grip on the connectors.
5. Remove the 2 screws on the bottom side of the LVPS
and carefully slide it out of the projector.
6. Reinstall the LVPS in reverse order. After the LVPS is
installed, recheck Timing, Geometry, Electronic Focus,
ILA
®
Bias/Sensitivity, Convergence, G2, and Shading.
4.7 High Voltage Power Supply
To remove the High Voltage Power Supply:
4-8 Model 200 Service Manual