· For continued safety, no modification of any circuit must be
attempted.
· Unplug the power cord from the power outlet before
disassembling this projector.
·Use correctly the supplied power cord and must ground it.
·It is advisable to use an isolation transformer in the AC
power line before the service.
· Be careful not to touch the rotation part (cooling fan, etc.) of
this projector when you service with the upper case
removed and the power supply turned ON.
· Observe the original lead dress during the service. If a short
circuit is found, replace all the parts overheated or
damaged by the short circuit.
· After the service, all the protective devices such as
insulation barriers, insulation papers, shields, and isolation
R-C combinations must be properly installed.
· After the service, check the leakage current to prevent the
customer from getting an electric shock.
1.2. Leakage Current Check
1. Prepare the measuring circuit as shown in Fig.1.
Be sure to use a voltmeter having the performance
described in Table 1.
2. Assemble the circuit as shown in Fig. 2. Plug the power
cord in a power outlet.
3. Connect M1 to T1 according to Fig. 2 and measure the
voltage.
4. Change the connection of M1 from T1 to T2 and measure
the voltage again.
5. The voltmeter must read 0.375 V or lower in both of steps
3 and 4. This means that the current must be 0.75 mA or
less.
6. If the reading is out of the above standard, the projector
must be repaired and rechecked before returning to the
customer because of a possibility of an electric shock.
Table 1
Fig. 2
Fig. 1
1.3. UV Precaution and UHM Lamp
Precautions
· Be sure to unplug the power cord from the power outlet
when replacing the lamp.
· Because the lamp reaches a very high temperature during
its operation, wait until it cools completely when replacing
the Lamp Unit.
· The lamp emits small amounts of UV-radiation, avoid directeye contact with the light.
· The lamp unit has high internal pressure. If improperly
handled, explosion might result.
To ensure safety, the protection circuit of the main unit functions, and
this projector becomes operation halt condition (a part of circuit is
energizing) when the l amp unit cover is removed or installed incorrectly.
4 Serviceman Mode
This projector has Serviceman Mode in addition to standard on-screen menus (User Mode).
4.1. Setting to Serviceman Mode
(1)Press the MENU button.
The MAIN MENU screen will appear.
(2)Select “OPTION2” using theorbuttons and press the
ENTER button.
The OPTION2 screen will appear.
(3)Select “PASSWORD” using theorbuttons and press the
ENTER button.
The PASSWORD screen will appear.
(4)Input the password "1565" by remote control unit and press the
ENTER button.
Note:
· Asterisk (*) will appear for the password numbers.
3. CW INDEX
When the color wheel is replaced, adjusts it with
andbuttons.
a. Display the test pattern 9 (Red & Blue pattern).
b. Confirm whether there is a horizontal line.
c. If a horizontal line is in the red area, decrease CW INDEX setting value by 1, and record the value where the horizontal line
(in both red area and blue area) disappears. (The recorded value is assumed to "A".)
d. If a horizontal line is in the blue area, increase CW INDEX setting value by 1, and record the value where the horizontal line
(in both red area and blue area) disappears. (The recorded value is assumed to "B".)
e. Set the mean value (omission below decimal point) of "A" and "B" to the CW INDEX setting value.
4. POWERONSHUTTER
·OPEN: Opens the shutter when power ON.
·CLOSE: Closes the shutter when power ON.
5. POWER OFF SHUTTER
·IGNORE: Does not control the shutter when power OFF.
·OPEN: Opens the shutter when power OFF.
·CLOSE: Closes the shutter when power OFF.
6. ERROR OSD
Displays the lamp status with OSD when you do not see the status LED lights because the rear projection, etc.
7. SIGNAL DATA ALL ERASE
Resets the setting value of each signal to the initial value of the factory shipment.
8. MODEL
Sets the model name.
· Set it when you install a new A-P.C.Board without maintenance (data transfer or IC replacement) of adjustment data etc.
according to the paragraph 7.2.1.
* Never set it to a model name different from the model that installs the new A-P.C.Board. If a different model name is set,
it becomes impossible to output normal pictures after the next startup.
* When a new A-P.C.Board is installed without maintenance of adjustment data, it is required to adjust the color wheel.
4.3.2. SUB KEYSTONE
"SUB KEYSTONE" is added to KEYSTONE in the "POSITION" menu.
If KEYSTONE and "Lens shift" are used at the same time, the right and left is corrected in the unbalance.
At this time, only the right side can be corrected by SUB KEYSTONE.
3. HPLL
When non-standard signal of VIDEO/S-VIDEO is inputted (VTR, VHD, etc.), horizontal synchronization might be disordered
according to connected equipment. In this case, set HPLL to OFF.
5 Using the Serial Terminals
SERIAL terminals which are on the side-mounted connection terminals conform to RS-232C standard. This projector can be
controlled by a PC which is connected as shown below. Also SERIAL OUT terminal is provided to enable plural projector control.
5.4. Procedure of Communication Condition Settings
(1)Press the MENU button.
The MAIN MENU screen will be displayed.
(2)Press theandbuttons to select “OPTION2”.
(3)Press the ENTER button.
(4)Press theandbuttons to select “RS-232C”.
(5)Press the ENTER button.
The RS-232C screen will be displayed.
(6)Press theandbuttons to select communication conditions.
(7)Press theandbuttons to confirm the setting..
(8)Press the MENU button three times.
The on-screen indications disappear, and the system returns to the
When multiple main units are connected in the system, connect the units with the M3 stereo mini jack cable available in the market
to simultaneously control the multiple main units with a single remote control unit through the REMOTE1 IN/OUT terminal. It is
effective to use the wired remote control in the environment in which an obstacle stands in the light path or where devices are
susceptible to outside light.
6.2. Setting the Projector ID Number for Remote Control
Every projector has its ID number and the ID number of the controlling projector must be set to the remote control in advance so
that the user can operate the remote control. The ID number of the projector is set to “ALL” on shipping, and use the ID ALL button
of the remote control when using only a single projector.
Procedure of ID setting
Press the ID SET button, and within five seconds use the number (0 to 9) buttons to enter the 2-digit ID number set by the
projector.
However, if the ID ALL button is pressed, the projector can be controlled regardless of the ID number of the projector
(simultaneous control mode).
We will support according to the following methods.
Supporting methodsApplied parts
Replaced by module or blockFM-Module (For specified components, supplies them discretely.)
Ballast module
Power module
Replaced by discrete componentsOther components
Replacedatthemanufacturing
department
7.2. Note for Replacement of P.C.Boards
7.2.1. When replacing the A-P.C.Board
·Transfer the data of the original A-P.C.Board to the new A-P.C.Board using the adjustment software and a personal computer.
·If you cannot transfer the data that uses the adjustment software, remove IC2508 and IC2509 from the original board and
mount them on the new board.
* Consult your dealer or Authorized Service Center for the adjustment software.
Optical block unit (including DMD™ block), DMD™ drive module, Assembly
parts
7.3. Replacement of the lithium battery on the A-P.C.Board
If the lithium battery will be empty, replace it with a new one (CR2032 or equivalent).
Cautions
·Explosion may occur if replacing the battery with an incorrect one.
·Dispose of used batteries according to the instructions.
8 Cautions for Service
Service or repair the product according to service information on the service manual, etc. so that a fire, injury or electric shock
caused by an improper repair may not occur.
1. Do not modify equipments, components and materials when attempting to service or repair.
2. Do not repair nor connect wires even in case of a part of the disconnection when the wiring unit is supplied as a replacement
parts, replace the wiring unit (complete).
3. For a fasten terminal (push-in type terminal), pull out or insert straightly without twisting it.
8.1. Servicing Methods
· Never unplug the power cord from the outlet, open the circuit breaker, or perform other procedures to cut off the power line
during the operation of any cooling fan.
· Be sure to unplug the power cord from the power outlet before servicing.
Powering off the projector
1. Press the POWER STANDBY "
2. Select "OK" with
The projection of the image stops, and power indicator of the main unit lights up orange. (The cooling fan keeps running.)
3. Wait until the power indicator of the main unit turns to red (i.e., until the cooling fan stops).
4. Press the "
orbutton and press the ENTER button. (or press the POWER STANDBY "" button again.)
" marked side of the MAIN POWER switch to remove all power from the projector.
" button.
8.2. Light Source Lamp
Strong light is emitted from the projector´s lens. Never look into the lens while the projector is being used. If you look directly into
this light, it can hurt and damage your eyes.
·When replacing the lamp, allow it to cool for at least one hour before handling it.
·Make sure that two lamp units are always installed.
10.1.1. Precautions on lamp unit replacement
Remove the power plug and confirm that the surroundings of the lamp unit have cooled off.
· Be careful when handling a light source lamp. The lamp unit has high internal pressure. If improperly handled, explosion might
result.
· A used lamp unit may burst if it is handled violently.
For disposition of used lamps, request an industrial waste disposal contractor.
·If you continue to use a lamp after the replacement time, the lamp may break.
·Philips screwdriver is necessary when replacing a lamp unit.
Take care not to slip your hand when using a screwdriver.
·It is not possible to turn on the power unless two lamp units are installed.
·A lamp unit is an optional part. Contact the dealer.
Replacement lamp unit model No.: ET-LAD57 (single bulb), ET-LAD57W (double bulbs)
· Other lamps than specified above cannot be used. Be sure to use the specified lamp.
10.2. When to replace the Lamp Unit
The lamp units are consumable parts. The lamp brightness decreases gradually as the cumulative operating time increases, so
periodic replacement is necessary. The replacement guideline is 2 000 hours, although the lamp may become dead (will not light)
before 2 000 hours is reached depending on the characteristics of individual lamps and other factors such as the operating
conditions and the installation environment. Therefore, it is recommended for the user to keep a spare lamp unit.
The risk of the lamp bursting increases after 2 000 hours of operation, so the lamp unit turns off automatically.
(3)Unscrew the 5 screws and remove the A-P.C.Board blo ck.
(4)Pull out the flexible cable connected to the J-P.C.Board. (The
reverse side of A-P.C.Board)
(5)Unscrew the 10 screws and remove the A-P.C.Board. (The block
of the terminal metal fittings and J-P.C.Board remains.)
11.4. Removal of J-P.C.Board
(1)Remove the A-P.C.Board block according to the steps 1 through
3 in the section 11.3. "Removal of A-P.C.Board".
(2)Pull out the flexible cable connected to the A-P.C.Board.
(3)Unscrew the 8 screws and remove the J-P.C.Board.
11.5. Removal of Power Module
(1)Remove the A-P.C.Board block according to the steps 1 through
3 in the section 11.3. "Removal of A-P.C.Board".
(2)Unscrew the 1 screw and remove the power insulation sheet.
(3)Unscrew the 3 screws and release the 3 grounding terminals.
(4)Unscrew the 5 screws and remove the shield cover.
(5)Unscrew the 2 screws and remove the air-deriving sheet 1 (for
(3)Loosen the 2 screws until they idle and open the exhaust fan unit
1 and 2.
(4)Loosen each of 2 screws fixing the lamp units until they idle,
remove the lamp units 1 and 2.
(5)Unscrew each of 1 screw and release the 2 igniter boxes.
(6)Remove the air-deriving sheet 1 (for CW).
(7)Unscrew the 2 screws and remove the intake fan unit L.
(8)Unscrew the 2 screws and remove the intake fan unit R.
(9)Unscrew the 1 screw and release the lamp unit 1 terminal.
(10) Unscrew the 1 screw and release the lamp unit 2 terminals.
(11) Unscrew the 3 screws and release the grounding terminals.
(12) Unscrew the 3 screws and release the ballast block.