Sanyo POA-SP-SU31 User manual

SERVICE MANUAL
Smoke Resistant Unit
MODEL NO.
POA-SP-SU30
POA-SP-SU31
PRODUCT CODE :
IDCC 1 119 173 50 POA-SP-SU30
IDGQ 1 119 173 51 POA-SP-SU31
REFERENCE No. SM5110463
CONTENTS;
Specifications 2
Safety Instructions 3
Disassemblies 4
Air Filter replacement 9
Indicator display 11
Parts list 12
Troubleshooting 14
Block diagrams 15

- 2 -
Specifications
Smoke Resistant Unit
ITEM
TYPE
CONTENTS
Projector smoke resistant and dust resistant box
PROJECTOR TYPE LP-SU31/32/33, LP-XU31/XU32/XU33/XU37/XU38 (POA-SP-SU-31)
LP-SU30, LP-XU30/XU35 (POA-SP-SU30)
AIR CLEAN EFFICIENCY Approximately 80% efficiency (Blower, filter type)
AIR CAPACITY Approximately 0.6m3
DISPLAY Indicator error display (Blower motor error,Air filter replacement)
Another four types of indicator display of the Projector
OPERATING CONDITIONS 41°F to 95°F (5˚C to 35˚C ) indoors
VOLTAGE AND
POWER CONSUMPTION
AC100 - 120V (MAX 4.8A) ,50/60Hz (U.S.A. and Canada)
AC200 - 240V (MAX 2.8A) ,50/60Hz (Continental Europe and U.K.)
DIMENSIONS 20.9" x 6.8" x 13.7" (532mm x 172mm x 348mm)
NET WEIGHT Approximately 14.3lbs (6.5Kg) (Without the Projector)
ORS
EXHAU
AC PO
INDICATORS
COVER LAMP
PANEL FILTER
AIR FILTER
AIR INTAKE VENTS
AC POWER SOCKET
CABINET BACK
EXHAUST VENTS
FRONT
REAR
2 FIXED SCREW
HOLES (For Projector)
4 SCREWS FOR
CEILING ATTACHMENT
CONTROL
PORT
Part Names

- 3 -
Safety Instructions
!
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.
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.
Fuse-A
UNIT SW-POWER SUPPLY
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.
SAFETY PRECAUTIONS
PRODUCT SAFETY NOTICE
SERVICE PERSONNEL WARNING
Product safety should be considered when a compo-
nent replacement is made in any area of the projector.
Components indicated by mark in the parts list and
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.
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.
Fuse
UNIT VARISTOR
-B

- 4 -
Mechanical disassemblies
1.
CABINET BACK
CABINET TOP HOOK
SIGNAL CABLE
AC POWER CORD
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.
Before disassemblies
When disassemblies a cabinet, always turn off the
Projector and Smoke Resistant Unit.
Confirm that the temperature of Projector cool-off and
implement disassembly.
It removes the connection of the signal cable,AC power
cord and each cables the projector.
CABINET BACK REMOVAL.
Hold the upper surface of the Cabinet- back, and remove
in the direction of the arrow while pressing down.
Note;
Be careful not to damage Hook.
The cabinet-back is being fixed with cabinet top by hook.
Ensure that there is nothing protecting from the table
underneath the Smoke Resistant Unit which may harm the
lower surface and in turn cause damage to the indicator.

- 5 -
2.
CLAMP
AC POWER
SOCKET
LCD PROJECTOR REMOVAL.
Remove 2 screws.
(2 Screws which are fixing LCD Projector.)
Remove AC power cord.
Draw out a few LCD Projector, and remove a Ac power
cord.
Remove AC power cord from LCD Projector.
Remove LCD Projector.
LCD Projector
Take out LCD Projector from Smoke Resistant Unit.
Mechanical disassemblies

- 6 -
CABINET FRONT
HOOK
136mm
136mm
3.
4.
CABINET FRONT REMOVAL.
Remove 3 screws which are fixing a Front Panel.
Two projections fixing hock the front panel are provided
on the inside of the bottom surface of the Smoke
Resistant Unit both at distances of 136mm from the
sides of the unit. Pull the front panel towards yourself in
a directions at which the projections are located
upwards from below, so as to remove the front panel.
CAUTION:
Do not tilt the front panel when pulling it to remove
it, as this may damage the projections which will
make it impossible to put the front panel back on
again.
SCREW
CABINET FRONT
COVER DUCT-A
Remove 3 screws, and remove Cover Duct-A.
Note;
In to exchange this cover duct for th cover duct of the
accessory,
MODEL No. : POA-SP-SU31
LCD Projector of LP-SU30/XU30/XU35 can be used.
MODEL No. : POA-SP-SU30
LCD Projector of LP-SU31/XU31,LP-SU32/XU32/XU37,
LP-SU33/XU33/XU38 can be used.
Refer to Owner's Manual.
COVER DUCT-A REMOVAL.
Mechanical disassemblies

- 7 -
6.
B
B
A
RESET SWITCH
FILTER UNIT
HOLDER SW
FILTER UNIT, RESET SWITCH REMOVAL.
1. Remove the filter unit upward.
2. Remove screw-A and remove holder-SW.
3. Remove 2 screws-B, and remove reset SWITCH.
c
c
c
c
A
A
A
A
B
B
B
B
B
CABINET TOP
5. CABINET-TOP REMOVAL.
Remove 4 screws-A, 5 screws-B and remove cabinet-
top.
When the 4 screws-C for ceiling installation is attached
for the cabinet-top, remove.
7.
MOUNTING CHASSIS
CABINET BOTTOM
MOUNTING CHASSIS REMOVAL.
Remove mounting chassis upward.
Mechanical disassemblies

- 8 -
8.
9.
SCREW-A
SCREW-B
SCREW-D
SCREW-C
UNIT MAIN
CABINET BOTTOM
UNIT VARISTOR
8PIN DIN SOCKET
SOCKET,INLET AC
FAN
FAN
COVER DUCT CR
UNIT, SW-POWER, SUPPLY
COVER DUCT CR
SCREW-A
SCREW-B
FAN,COVER DUCT,
UNIT SW-POWER SUPPLY REMOVAL.
1. Remove 4 screws-A, remove COVER DUCT-CR, and
FAN.
FAN and COVER DUCT-CR remove at the same time.
2. Remove 4 screws-B, and remove UNIT, SW-POWER,
SUPPLY.
1. Remove 2 screws-A, and remove socket inlet AC.
2. Remove 2 screws-B, and remove 8pin DIN socket.
3. Remove 4 screws-C, and remove UNIT MAIN.
4. Remove 2 screws-D, and remove UNIT VARISTOR.
SOCKET INLET AC, 8PIN DIN SOCKET,
UNIT MAIN, UNIT VARISTOR REMOVAL.
Mechanical disassemblies

- 9 -
AIR FILTER REPLACEMENT
Panel Filter
When replacing the Air Filter, follow these steps to reset the timer that measures the Air Filter
usage time. When replacing the Air Filter, make sure that the Power to the Projector is off, and
check that the Power to the Smoke Resistant Unit is on.
1Hold the bottom of the Panel FIlter and pull it up. Open the Cover to a 90-degree angle.
2Remove the Used Air Filter.
3Press the Reset Switch until the FILTER REPLACE
indicator starts flashing.
4Take your finger off the Reset Switch within 5 sec-
onds of the Indicator starting to flash. If you do not
take your finger off the Reset Switch within 5 sec
onds, the timer reset operation can not be completed.
In that case, repeat the steps from Step 3.
Air Filter
RESET SWITCH
When replacing an AIR FILTER, replace with a specified Air Filter. A replacement Air Filter can be ordered through
your dealer. When ordering the Air Filter, give the following information to the dealer.
Replacement Air Filter type No. : POA-FIL-SU30
(AIR FILTER FOR SMOKE RESISTANT UNIT)
Smoke Resistant Unit type No. : POA-SP-SU30 or POA-SP-SU31

- 10 -
5 Keep pressing the Reset Switch until the FILTER
REPLACE Indicator starts flashing.
7 Insert a New Air Filter.
Air Filter replacement and timer reset are now com-
pleted.
6 Take your finger off the Reset Switch within 5 sec
onds of the Indicator starting to flash. If you do not
take your finger off the Reset Switch within 5 sec
onds, the timer reset operation can not be completed.
In that case, repeat the steps from Step 3.
FILTER
REPLACE
YELLOW
INDICATOR
NEW AIR FILTER
CAUTION: Use an approved Air Filter when replacing the Air Filter. If a nonapproved Air Filter is
used, it may result in malfunction of the projector.
LAMP REPLACEMENT
SCREW
LAMP COVER OF
PROJECTOR
PROJECTOR
LAMP COVER
1. Pull up the Lamp Cover.
2. Remove the Lamp Cover of the Projector using a screw driver.
Note ; Lamp replacement refer to the Owner's Manual of Projector.
Air Filter Replacement

- 11 -
INDICATORS
RED
YELLOW YELLOW RED REDGREEN
OUTER
BOX
FILTER
REPLACE
LAMP
REPLACE
WARNING
TEMP READY LAMP
INDICATOR DISPLAY
qLAMP - - - - - - - - - - - - - - This light turns RED when the Projector AC Power Cord is connected.
wREADY - - - - - - - - - - - - - This light turns GREEN when it is possible to turn on the power supply of the
Projector.
eWARNING TEMP - - - - - - This light flashes RED if the internal temperature of the Projector becomes
abnormally high.
rLAMP REPLACE - - - - - - This light turns YELLOW when it is recommended to change the Projector Lamp.
tFILTER REPLACE - - - - - This light turns YELLOW when the Air Filter of the Smoke Resistant Unit should be
replaced.
yOUTER BOX - - - - - - - - - This light turns RED if there is an abnormality with the Smoke Resistant Unit Fan.
Note: For details of displays to , please refer to the Projector Owner's Manual.
Removing or inserting the AC Power Cord will cause a reset.
The indicators display the states ( q to r ) of the Projector and the states ( t, y ) of the Smoke Resistant Unit
as lights or flashing lights.
Smoke Resistant Unit and LCD Projector do not have the mains SW.
It will be in the state of standby inserting a AC power cord.
(The indicator of LAMP, READY light turns)
Use remote control to turn on the LCD Projector.

- 12 -
22
29
29
29
1
29
12
18
7
52
29
6
16
8
3
17
30
10
8
4
41
42
44
45
46
46
43
47
Parts list
When it is replaced to the new ASSY,PWB,UNIT.
Factory adjustments of the new ASSY,PWB,UNIT have
completed. Readjustments are unnecessary.
1. UNIT, SW-POWER SUPPLY (No.41)
2. UNIT MAIN (No.45)
3. UNIT VARISTOR (No.47)
Part order must contain part No. and descriptions.
AC power cord should use the cord accessories of
Projector to be used.
SCREWS
(M4X25mm)
SIGNAL CABLE
(8PIN DIN)
COVER DUCT
AIR FILTER OWNER'S MANUAL
61
62
63
64
65
ACCESSORIES

- 13 -
Ref.No Part No. Description
✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼
CABINET AND CHASSIS PARTS
1610 298 0028 CABINET FRONT-IDCC
2610 298 0035 CABINET TOP-IDCC
3610 299 2595 ASSY,CABINET BTM-IDCC
4610 299 2199 ASSY,CABINET BACK-IDCC
5610 298 0134 COVER,LMP-IDCC
6610 298 0387 COVER,SLIDE-IDCC
7610 300 6499 ASSY,COVER DUCT A-IDCC (POA-SP-SU31)
610 299 2205 ASSY,COVER DUCT IDCC (POA-SP-SU30)
8610 299 2212 ASSY,COVER CR-IDCC
10 610 298 0431 FILTER BASE A-IDCC
12 610 298 0455 FILTER MR A-IDCC
16 610 298 0462 MOUNTING CHS A-IDCC
18 610 298 0486 PANEL FRONT A-IDCC
22 645 030 7355 BADGE,SANYO*53.5X12L53.5
29 610 299 1987 HOLDER CABINET-IDCC
30 - - - - - - - - - - Air Filter is optional.
41 645 060 7325 UNIT,SW-POWER SUPPLY (POA-SP-SU31)
645 053 8582 UNIT,SW-POWER SUPPLY (POA-SP-SU30)
42 645 060 4737 MICRO SW
43 645 060 9787 SOCKET,INLET AC 3P
44 645 060 7318 8PIN,DIN,SOCKET
45 645 060 7301 UNIT MAIN
46 645 060 9756 MOTOR,FAN DC 6.4W
47 645 060 7295 UNIT VARISTOR
✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼
ACCESSORIES
61 610 305 6593 OWNER'S MANUAL-IDGQ (POA-SP-SU31)
610 298 0653 OWNER'S MANUAL-IDCC (POA-SP-SU30)
62 411 184 3105 SCR PAN+W 4X25
63 645 060 4744 SIGNAL CABLE
64 - - - - - - - - - - FILTER NET A-IDCC
65 610 299 2205 ASSY, COVER DUCT-IDCC (POA-SP-SU31)
610 300 6499 ASSY, COVER DUCT A-IDCC (POA-SP-SU30)
✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼✼
Parts list

- 14 -
TROUBLESHOOTING
NO POWER
PICTURE UNCLEAR
TRY THESE SOLUTIONS
●Check of the fuse.
● Connection check of the AC Power Cord.
●Check of a FAN reset switch.
● Check of Filter.(Is not it above dirty)
●Check that FAN is operating normally.
● Ensure that the power is turned on. Ensure that LAMP Indicator light is ON.
● When the READY Indicator (green) is off, the power source is not turned on, even if the power
ON-OFF button of the remote controller has been pressed.
● Check WARNING TEMP or OUTER BOX Indicator. If this Indicator is lit or flashing red, the inner
temperature is extremely high and the projector cannot be turned on even if the ON-OFF button
of the remote controller is pressed.
Wait until the temperature becomes lower.
TRY THESE SOLUTIONS
● Check the Filter-MR(front glass) to see, if it needs cleaning.
If glass becomes dirty, picture will be affected, and operation of remote control may be
affected.
● Check the focus of LCD projector.
YELLOW INDICATOR TURNED ON
TRY THESE SOLUTIONS
● When the life of the Lamp draws to an end, the LAMP REPLACE Indicator will light yellow.
●The FILTER REPLACE turns yellow when it is necessary to replace the Air Filter of the Smoke
Resistant Unit .
Smoke Resistant Unit has controlled operation of LCD Projector, FAN and Air Filter.
Therefore, when the trouble occurs to picture, sound and so on.
Take out LCD Projector from Smoke Resistant Unit and check LCD Projector.
Refer to service manual of LCD Projector.

- 15 -
12345
12345
12345
12345
123
CN1 CN2 CN3 CN4 CN5
1
1
112
2
2
23
3
3
3
AIR FILTER DETECTION SW
LCD PROJECTOR
AC POWER SOCKET
LCD PROJECTOR
CONTROL PORT
UNIT VARISTOR
UNIT MAIN
LD6 LD5 LD4 LD3 LD2 LD1
FAN 1
FAN 2
AC POWER
FUSE-B
FUSE-A
CHASSIS
SHIELD
LD1 : LAMP
LD2 : READY
LD3 : WARNING TEMP.
LD4 : LAMP REPLACE
LD5 : FILTER REPLACE
LD6 : OUTER BOX
LAMP INDICATORS
Brown
Brown
Brown
Green/Yellow
Green/Yellow
Green/Yellow
Blue
Blue
Blue
Black
Black
Black
Black
Black
Black
Black
Black
Red
Red
Red
Red
Red
Red
Red
Red
Blue
Yellow
Yellow
Yellow
Yellow
UNIT SW-POWER SUPPLY
No Fuse in POA-SP-SU30
BLOCKDIAGRAM