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Safety Instructions
SAFETY PRECAUTIONS
WARNING:
Primary side of the power supply unit circuit is connected
to the AC line.
For continued product safety and protection of personnel
injury, servicing should be made with qualified personnel.
The following precautions must be observed.
1: An isolation transformer should be connected in the
power line between the projector and the AC line
before any service is performed on the projector.
2: Comply with all caution and safety-related notes pro-
vided on the cabinet back, cabinet bottom, inside the
cabinet or on the chassis.
3: When replacing a chassis in the cabinet, always be
certain that all the protective devices are installed
properly, such as, control knobs, adjustment covers
or shields, barriers, etc.
DO NOT OPERATE THIS SMOKE RESISTANT UNIT
WITHOUT THE PROTECTIVE SHIELD IN POSITION
AND PROPERLY SECURED.
4: Before replacing the cabinet cover, thoroughly
inspect the inside of the cabinet to see that no stray
parts or tools have been left inside.
Before returning any Smoke Resistant Unit to the cus-
tomer, the service personnel must be sure it is com-
pletely safe to operate without danger of electric shock.
Fuse for circuit protection
The fuse is located in a smoke resistant unit.(2 places)
(Fuse-A is not in POA-SP-SU30 .)
When either the LAMP indicator or the READY indicator is not illuminated,
fuse may be opened. Check the fuse as following steps.
1. Remove the Cabinet-top following to "mechanical disassemblies".
2. Remove the fuse from fuse holder or PWB.
3.Check the resistance of fuse using a tester.
!
PRODUCT SAFETY NOTICE
Product safety should be considered when a compo-
nent replacement is made in any area of the projector.
Components indicated by mark
the schematic diagram designate components in which
safety can be of special significance. It is, therefore,
particularly recommended that the replacement of the
parts must be made by exactly the same parts.
SERVICE PERSONNEL WARNING
Eye damage may result from directly viewing the light
produced by the Lamp used in this equipment. Always
turn off Lamp before opening cover.
Since the lamp is very high temperature during units
operation. Replacement of the lamp should be done at
least 45 minutes after the power has been turned off,
to allow the lamp cool-off.
Refer to the owner's manual and service manual of the
LCD Projector.
- 3 -
in the parts list and
Fuse-A
UNIT SW-POWER SUPPLY
-B
Fuse
UNIT VARISTOR
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