Electrohome Vistapro 2000 Users Manual

OPERATION
VistaPro 2000 Users Manual3-30
No Signal
The message No signal present: check the source or connections to the
projector is displayed when there is no signal on the selected input. This means
that both HSYNC and VSYNC are inactive and the screen background is black.
Bad Sync
The message Bad Sync followed by a short description of the problem is
displayed when HSYNC or VSYNC are active but the signal cannot be
displayed. Such a condition occurs when only one of the two signals is present,
or...

Section 4
Maintenance
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VistaPro 2000 is CSA approved and is designed for safe and reliable operation.
However, safe operation cannot be assured by design alone; installers,
maintainers, and users must maintain a safe operating environment for the
system. Please read through and understand the following warnings and
guidelines promoting safe usage of the projector.
WARNING
Never look directly into the projector lens.
The high brightness of this projector
(2000 ANSI lumens)...

MAINTENANCE
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Do not operate the Xenon lamp for more than 750 hours; risk of the lamp
shattering increases as a result of changes in the quartz glass. Also, operation
beyond 750 hours significantly reduces brightness.
WARNING
Never attempt to remove the lamp directly after use. The
lamp is under great pressure when hot and may explode,
causing personal injury and/or property damage. Allow to
cool completely and handle by the plastic housing only.
The arc lamp operates at a...

MAINTENANCE
VistaPro 2000 Users Manual4-3
placed near or over a radiator or heat register. The projector should not be placed
in an enclosure unless proper ventilation is provided.
Do not push objects of any kind into the projector through the ventilation
openings. They may touch dangerous voltages or short-out components resulting
in a fire or shock hazard. Do not spill liquids of any kind into the projector.
Should an accidental spill occur, immediately unplug the projector and have it
serviced by a...

MAINTENANCE
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Figure 4.1. Battery Replacement, IR Remote Keypad
The high brightness of VistaPro 2000 is provided by a 1 kilowatt Xenon lamp
permanently assembled in a sturdy polymer housing. When the lamp approaches
750 hours of usage this lamp module should be replaced. To determine how
many hours the lamp has been used, press 
 and go to the Status menu.
Current Lamp Hours indicates the number of hours logged on the lamp.
Contact your dealer or Electrohome for a VistaPro...

MAINTENANCE
VistaPro 2000 Users Manual4-5
Figure 4.2 Remove Outer Lamp Door
Then unlatch the inner lamp door by unscrewing the thumbscrews near the top
edge. Lift up and pull the door straight out from the projector (Figure 4.3).
Figure 4.3. Remove Inner Lamp Door
Remove the lamp retaining bracket
The lamp module is held in place by a horizontal retaining bracket in front of the
lamp module. Unscrew the 2 screws on the left edge of the bracket and slide the
bracket left to free it from its slot on the...

MAINTENANCE
VistaPro 2000 Users Manual4-6
Figure 4.4. Remove lamp retaining bracket
Remove the old lamp module
Grasp the handle of the lamp assembly and pull forward slightly. Then move the
module to the left as far as possible and pull straight out of the projector (Figure
4.5). Pull firmly while keeping your grip level so that the module does not tilt.
Figure 4.5. Remove old lamp module
WARNING
To reduce the danger from possible explosion,
always direct the surface of the lamp away from you.
Handle by...

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Or, if you prefer, you can dispose of the old lamp as described below:
1.  For safe disposal, first relieve the pressure within the lamp module by
opening the lamp gas valve and allowing the Xenon gas to escape. This
valve lies beneath a small plastic seal protruding from the right end the
lamp (i.e., the end opposite the glass surface). To open the valve:
2.  Place the lamp module on a stable worksurface, with the glass lens
surface facing left as shown in...

MAINTENANCE
VistaPro 2000 Users Manual4-8
Then slide to right and push completely in (Figure 4.8). Push slowly but firmly
to ensure that the module is securely in place and is as far back as possible.
Figure 4.8. Insert new lamp module
Replace lamp retaining bracket
Insert the narrow end of the bracket into the slot on the right side of the lamp
compartment and push firmly to the right. Secure with two screws along the left
edge of the bracket.
Replace both lamp doors
Once the new lamp module is properly...

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Figure 4.9. Remove side grill to access filter
Power up the projector
Plug in the projector and press 
 to turn it on. Allow the projector to warm
up for about five minutes.
Reset the lamp timer
In the Status menu, call up the Lamp Changed text box and enter the new lamp
serial number (see Section 3, Operation if you need help entering text). Once the
serial number is entered, the lamp timer will automatically reset to 0 hours and
begin to log time.
WARNING
If...