1. Safety Precautions 1.1. General Guidelines - For continued safety, no modification of any circuit must be attempted. - Unplug the power cord from the power outlet before disassembling this projector. - It is advisable to use an isolation transformer in the AC power line before the service.
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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. Fig. 1 Table 1 Fig. 2 2. Assemble the circuit as shown in Fig. 2. Plug the power cord in a power outlet.
- 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 direct-eye contact with the light.
3.3. Canceling the self-check mode Press the MENU button on the main unit or the remote control unit. 4. Service Mode This mode is used to display three kinds of test patterns (Crosshatch, Flicker Adjustment and White) in the four colors (White, Red, Green and Blue). 4.1.
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disassembling this projector. Caution: - While turning over a printed circuit board, be sure to put a insulating material under it to prevent a short circuit. - Printed circuit boards and wires must not be pulled forcibly, but be handled carefully. - Connectors also must be handled carefully.
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2. Return the main unit to the normal position and extend the carrying handle. 3. Unscrew the 2 screws. 4. Lift the upper cover and disconnect the 2 connectors from the speakers. 5.3. Removal of A-Module Notes: - If replacing A-Module, read the microcomputer and gamma data from the old module and write it in the new one according to the section 6.5.
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2. Open the card remote control unit holder. 3. Unscrew the 2 screws fixing the connector panel. 4. Disconnect the connectors from/to the A-Module. 5. Unscrew the 5 screws and remove the A-Module. 5.4. Removal of Z3-P.C.Board 1. Remove the upper cover according to the section 5.2. "Removal of Upper Cover".
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2. Remove the A-Module according to the section 5.3. "Removal of A- Module". 3. Unscrew the 1 screw and remove the connector panel. 4. Unscrew the 2 screws fixing the K-P.C.Board unit. 5. Disconnect the connector and remove the K-P.C.Board unit. 6.
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1. Remove the upper cover according to the section 5.2. "Removal of Upper Cover". 2. Remove the A-Module according to the section 5.3. "Removal of A- Module". 3. Remove the Z3-P.C.Board according to the section 5.4. "Removal of Z3-P.C.Board". 4. Unscrew the 2 screws fixing the intake fan unit. 5.
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Module". 3. Disconnect the connector to the Z2-P.C.Board. 4. Unscrew the 2 screws fixing the connector to the lamp unit. 5. Unscrew the 1 screw fixing the ground lug. 6. Unscrew the 1 screw (optical block side) fixing the ground fitting. 7.
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6. Unscrew the 3 screws and remove the analysis/LCD blocks. 7. Unscrew the 4 screws and separate the analysis/LCD blocks. 5.9. Removal of Lens Block 1. Remove the analysis/LCD blocks according to steps 1-7 in the section 5.8. "Removal of Analysis/LCD Blocks". 2.
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5.10. Removal of LCD Panel 1. Remove the upper cover according to the section 5.2. "Removal of Upper Cover". 2. Remove the A-Module according to the section 5.3. "Removal of A- Module". 3. Use a hexagon head wrench, unscrew the 2 screws fixing the bracket.
- When replacing LCD panel, use a component which has the same part number as the original. Model Combination 1 Combination 2 number panel L5BDAXQ00029 L5BDAXQ00032 (P09XG250) (P09XG260) PT-L711E/ L5BDAXQ00033 L5BDAXQ00030 PT-L1711 (P09XG260) (P09XG250) L5BDAXQ00031 L5BDAXQ00034 (P09XG250) (P09XG260) L5BDAXQ00023 L5BDAXQ00026 (P09XG210)
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6.2. Cautions for Adjustment - Never turn off the MAIN POWER switch until every fan completely stops. - To maintain and ensure safety, always use the designated components for replacement parts. - If removing any clamps, lead wires or connectors, always place them back in their proper locations.
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2. Repeat the following steps until the red, green and blue crosshatch patterns merge into a white pattern. Note: - Because the projected picture may move opposite in direction to the move of the LCD panel, adjust the convergence observing the real projected picture carefully.
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patterns with the green one. 6.4.3. Adjustment after LCD Panel (G) Replacement 1. Connect a PC to the RGB connector and display the white crosshatch pattern (service pattern data is required), then adjust the lens focus. 2. Adjust the LCD panel (G) to merge the green pattern with the red and blue ones.
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6.5.2. Operating Procedure 1. Insert the floppy disk and run the software program by the keyboard entry. 2. The first menu is the port selection menu. 3. Adjust the projector by selecting the necessary item from the menu in each stage. 6.5.3.
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6.5.4.1. Explanation of Buttons Micom Data Send: Reads the microcomputer data from the file and sends it to the projector. Micom Data Receive: Receives the microcomputer data from the projector and writes it in the file. Gamma Data Send: Reads the gamma data from the file and sends it to the projector. Gamma Data Receive: Receives the gamma data from the projector and writes it in the file.
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Exit: Exits this application. 6.5.4.2. Receive and sending of the data Click a target button and specify a file name. 6.5.5. Adjustment Menu 6.5.5.1. Explanation of Buttons Waveform Adjustment: This button is not available. Flicker Adjustment: Displays the flicker adjustment menu. Input Level Adjustment (RGB): Displays the input level adjustment menu.
Panel Offset: This button is not available. Angle Reset: Displays the angle reset menu. Gamma Data Linear: This button is only used for factory. (Do not click this button.) Gamma Data ROM: This button is only used for factory. (Do not click this button.) Exit: Exits this application.
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Sets the installation mode to the ceiling setting and receive the current data. R Signal Adj.: Sets the test signal mode to the R-signal and allows the " ", " " and "OK" buttons of the R- signal to becomes active. G Signal Adj.: Sets the test signal mode to the G-signal and allows the "...
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6.6.3. Equipment to be used PC, Software for Adjustment 6.6.4. Adjustment Procedure 1. Display the flicker adjustment menu. 2. Set the installation mode to the desk setting. 3. Click "R Signal Adj," and the red flicker adjustment pattern will be displayed.
1. Display the input level adjustment menu. 2. Input a window pattern signal. Note: Use approx. 15 % window pattern as follows. Black background (screen width) : White window width = 2 : 1 Black background (screen height) : White window height = 3 : 1 3.
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Returns the setting value to its original state and transmits its data. The color of the text "OK" returns to black. Close: Closes this menu. 6.8.3. Equipment to be used PC, Software for Adjustment, Signal Generator 6.8.4. Adjustment Procedure 1. Display the ghost adjustment menu. 2.