Sanyo POA-SR-140 User manual

SERVICE MANUAL
Smoke Resistant Box
MODEL NO.
POA-SR-140
CONTENTS:
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Indicator display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Filter replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Mechanical disassemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
REFERENCE No. SM5110681-00
PRODUCT CODE:
IDWB 1 119 405 85 POA-SR-140
FILE NO.

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Part names
Specifications
ITEM
TYPE
CONTENTS
LCD Projector smoke resistant and dust resistant box
AIR CAPACITY Approximately 2.0 m3 / min
INDICATORS Power, Filter replacement, Rotary Fans error
OPERATING CONDITIONS 41°F to 95°F ( 5°C to 35°C ) (indoor)
TYPE DIMENSIONS 6.5" x 8.5" x 18.1" ( 165mm x 216mm x 461mm )
NET WEIGHT Approximately 7.5lbs ( 3.4Kg )
Smoke Resist Box
FIXED SCREW HOLES
FIXED SCREW HOLES
FILTER COVER
(AIR INTAKE VENTS)
FIXED SCREW HOLES
3 INDICATORS
CONNECTOR
FILTER
REAR
Fig. 1

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INDICATOR DISPLAY
吸気口
排気口
EXHAUST VENT
AIR INTAKE VENT
HOT!
Fig. 2
GREEN RED
ORANGE
INDICATORS
ACTION AND OPERATION OF THE INDICATORS
POWER...........................When the main power of the Projector is turned on, the POWER indicator lights in
green.
When the POWER indicator does not light and the WARNING FILTER indicator flash-
es, the filter is not attached to the Smoke Resist Box. In this case, the READY indica-
tor on the Projector does not light and the Projector can not be turned on.
WARNING FILTER..........Normally this does not light. Should the filter become clogged with dust particles indi-
cator flashes orange. When the filter needs to be replaced, indicator lights in orange.
The filter should then be replaced immediately. when the filter is not attached, the will
flash.
WARNING.......................Normally this does not light. When the box's fan is operating abnormally, indicator
flashes red . When this occurs, turn off power immediately and request a maintenance
check. Do not leave the Smoke Resistant Box operational while the lamp is flashing
as it may became a fire and/or accident hazard.
Fig. 3
AIR INTAKE VENT & EXHAUST VENT
WARNING: DO NOT COVER INTAKE
VENTS OR EXHAUST VENTS.
If the Air Intake Vents or Exhaust Vents are covered,
there will be insufficient cooling which may result in
failure or fire.
HOT AIR EXHAUSTED !
Air blown from exhaust vent is hot. When using or
installing a smoke resistant box, following precau-
tions should be taken.

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FILTER REPLACEMENT
Fig. 4
When replacing an filter, replace with a specified filter. A replacement filter can be ordered through your dealer.
When ordering the filter, give the following information to the dealer.
•Replacement Filter type No. : POA-FIL-140
• Smoke Resistant Box type No. : POA-SR-140
1. Press the PUSH button on the filter cover.
2. Open the filter cover and remove the used filter.
PUSH BUTTON
Fig. 5
FILTER COVER
USED FILTER
CAUTION: WHEN CHANGING THE FILTER, TURN OFF THE PROJECTOR.

Lamp replacement
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3. Insert a new filter.
Fig. 6
Fig. 7
FILTER DETECTION
SWITCH
NEW FILTER
CAUTION: USE ONLY REPLACEMENT
FILTER RECOMMENDED BY THE
MANUFACTURER. THE USE OF
OTHER FILTERS MAY CAUSE THE
BOX TO MALFUNCTION OR POSE AN
ACCIDENT RISK.
CAUTION: TAKE CARE NOT TO DAM-
AGE THE FILTER DETECTION SWITCH
LOCATED INSIDE THE BOX WHEN
INSERTING THE FILTER.
4. Check that the filter is not tilted or warped and then
close the filter cover.
This will lock it into place.
5. Reset the filter timer.
REfer to "FILTER OPERATION TIME CHECK AND FILTER TIME RESET"

Lamp replacement
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RESET ING THE FILTER TIME
E CHECK
R TIME
POWER
WARNING
FILTER WARNING
OFF OFF
ON
Fig. 8
Fig. 9
Fig. 10
● The filter operation time can be check in the projector menu.
● Open [INFORMATIO ] in the menu and check [Option filter time] for
the hour counter.
✽ "Option filter time"menu will not exist when Smoke Resistant Box is
not attached on the projector.
Reset the filter time according to the following procedures.
(Only reset the filter time when changing the filter. The Smoke
Resistant Box cannot be operated properly if it is reset other than fil-
ter change.)
FILTER OPERATION TIME CHECK AND FILTER TIME RESET
FILTER OPERATION TIME CHECK
RESETTING THE FILTER TIME
1. Check that the Smoke resistant box is properly
attached to the Projector.
2. Turn on the Projector and display screen.
Check all indicators on Smoke Resistant Box .
3. Select [ SPECIAL ] in the Projector's menu. Then
select [ Filter ].
4. Select [ Option box ] and then select [ Reset ] and then
[ Yes ].
5. A message [Please wait - - ] will appear. When it disappears Filter time reset is complete. Close the
menu.

A
A
A
A
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Mechanical disassemblies
Fig. 11
Fig. 12
Disassemble should be made following procedures in numerical order.
Following steps show the basic procedures, therefore unnecessary step may be ignored.
Caution:
The parts and screws should be placed exactly the same position as the original otherwise it may cause lose of
performance and product safety.
The wiring method of the leads and ferrite cores should be returned exactly the same state as the original other-
wise it may cause lose of performance and product safety.
Before disassemblies:
Turn off a projector and disconnect the AC power cord.
Smoke resistant box removal from a Projector.
1. Hold the Smoke Resistant Box with one hand and Loosen 4 screws A.
Remove the Smoke Resistant Box.
Caution:
Be careful do not damage connector.
Align the connector of projector with the
connector pins of the Smoke Resistant Box.
Pins
Connectors
Phillips-Head Screwdriver

Mechanical disassemblies
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Fig. 13
2. Hold the Smoke Resistant Box parallel to the Projector and taka out it
slowly the Projector.
3. Press the PUSH button on the filter cover.
CAUTION: TAKE CARE NOT TO TOUCH THE CONNECTOR OR APPLY
IMPACT THAT MAY DAMAGE THE CONNECTOR.
Pins
CONNECTOR
Disassemblies of Smoke Resistant Box
PUSH BUTTON
Fig. 14

Mechanical disassemblies
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4. Open the filter cover and remove the filter.
5. Slide the shaft of a filter cover inside and pull the filter cover.
Remove the filter cover.
Fig. 15
FILTER COVER
FILTER
Fig. 16 Fig. 17
SHAFT
1. SLIDE
2. PULL
FILTER COVER
FILTER COVER

Mechanical disassemblies
A
AA
A
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6. Remove the 4 screws Aand remove the Frame main unit.
7. Remove the 2 screws Aand remove the Connector.
Remove the 2 screws Band remove the Holder.
Fig. 18
FRAME MAIN UNIT
A
A
B
B
Fig. 19
CONNECTOR
HOLDER