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Panasonic PT-L511U Service Manual

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VED0101308A0
D10
LCD Projector
PT-L511U
PT-L511E
PT-L1511
Please file and use this manual together with the service manual for
Model No. PT-L501U/L501E/L1501, Order No. VED0008301C0.
1

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  • Page 1 VED0101308A0 LCD Projector PT-L511U PT-L511E PT-L1511 Please file and use this manual together with the service manual for Model No. PT-L501U/L501E/L1501, Order No. VED0008301C0.
  • Page 2 1. Specifications...
  • Page 4 3. Replacement Parts List Notes: For G** of Ref. No. in MECHANICAL PARTS, does not indicate illustration of it part on "Exploded Views". Replacement parts lists below are only listed up components which are changed or added for each model. 3.1. PT-L511U...
  • Page 5 3.2. PT-L511E...
  • Page 6 3.3. PT-L1511...
  • Page 7 2001 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 8: Specifications

    ORDER NO. VED0008301C0 LCD Projector PT-L711E / PT-L711U / PT-L701E / PT-L701U / PT-L501E / PT- L501U / PT-L1711 / PT-L1701 / PT-L1501 SPECIFICATIONS...
  • Page 9 2000 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 10: Safety Precautions

    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.
  • Page 11 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.

  • Page 12: Self-Check Mode

    - 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.

  • Page 13: Service Mode

    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.
  • Page 14 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.
  • Page 15 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.
  • Page 16 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".
  • Page 17 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.
  • Page 18 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.
  • Page 19 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.
  • Page 20 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.
  • Page 21 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.

  • Page 22: Lcd Panel Discrimination

    5.11. LCD Panel Discrimination...

  • Page 23: Measurement And Adjustments

    ID-tag seal LCD panel color LCD panel Blue LCD panel (No seal) LCD panel (G) 5.12. LCD Panel Combination - There are two combinations for each series. - Part number is printed on the FPC of LCD panel. - When replacing LCD panel, use a component which has the same part number as the original.
  • Page 24 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.
  • Page 25 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.
  • Page 26 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.
  • Page 27 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.
  • Page 28 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.
  • Page 29 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.

  • Page 30: Flicker Adjustment

    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.
  • Page 31 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 "...
  • Page 32 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.

  • Page 33: Ghost Adjustment

    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.
  • Page 34 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.

  • Page 35: Troubleshooting

    Note: This is used for the reference level of the tilt sensor. 3. Click the OK button. 7. Troubleshooting...

  • Page 39: Interconnection Block Diagram

    8. Interconnection Block Diagram 8.1. Interconnection Block Diagram (1/2) 8.2. Interconnection Block Diagram (2/2) 9. Block Diagram 9.1. Signal Processing (1/2) 9.2. Signal Processing (2/2) 9.3. Power Supply 10. Schematic Diagram...
  • Page 40 10.1. K-P.C.Board 10.2. Z2-P.C.Board 10.3. Z3-P.C.Board 11. Circuit Boards 12. Exploded Views...

  • Page 41: Replacement Parts List

    13. Replacement Parts List...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks [MECHANICAL PARTS] D4CDH5030001 THERMISTOR K0AACE000012 AC SWITCH K2AH3G000009 AC INLET K5Y632B00001 FUSE L0AA02A00016 SPEAKER L5BDAXQ00023 LIQUID CRYSTAL DISPLAY(R) L701U,L701U-G [P09XG210(RED MARK)] L701U-P,L701E L701E-G,L701E-P L1701 L5BDAXQ00029 LIQUID CRYSTALDISPLAY(R) L711U,L711E [P09XG250(RED MARK)] L1711 L5BDAXN00004 LIQUID CRYSTAL DISPLAY(R) L501U,L501U-P,...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks L5BDAXQ00027 LIQUID CRYSTAL DISPLAY(G) L701U,L701U-G [P09XG220 (NO MARK)] L701U--P,L701E L701E-G,L701E-P L1701 L5BDAXQ00033 LIQUID CRYSTALDISPLAY(G) L711U,L711E, [P09XG260 (NO MARK)] L1711 L5BDAXN00008 LIQUID CRYSTALDISPLAY(G) L501U,L501U-P, [P09SG120 (NO MARK)] L501U-G,L501E, L501E-G,L501E-P L1501 L5BDAXQ00028 LIQUID CRYSTAL DISPLAY(B) L701U,L701U-G [P09XG220 (BLUE MARK)] L701U-P,L701E...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks TKKF5069 HANDLE GUIDE L701U,L701E, L501U,L501E L1701,L1501, TKKF5071 HANDLE GUIDE L701U-G,L701E-G, L501U-G,L501E-G TKKF5070 HANDLE GUIDE L701U-P,L701E-P, L501U-P,L501E-P TKKF5072 HANDLE GUIDE L711U,L711E, L1711 TKKH5064 VENTILATION COVER L701U,L701E, L501U,L501E L1701,L1501, TKKH5067 VENTILATION COVER L701U-G,L701E-G, L501U-G,L501E-G TKKH5066 VENTILATION COVER...
  • Page 45 Ref. No. Part No. Part Name & Description Remarks TPCA96502A CARTON L701U TPCA96516A CARTON L701U-G TPCA96515A CARTON L701U-P TPCA96503A CARTON L701E TPCA96517A CARTON L701E-P TPCA96518A CARTON L701E-G TPCA96506A CARTON L711U TPCA96507A CARTON L711E TPCA96510A CARTON L501U TPCA96523A CARTON L501U-P TPCA96524A CARTON L501U-G TPCA96511A...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks TXFSX02PAEZ POWER CORD L1701,L1501, L1711 TSXF015 AV CABLE TSXF163 VGA CABLE TXFGP99VJD2R POLARIZING PLATE/OUT(R) L701U,L701U-G, L701U-P,L701E, L701E-P,L701E-G, L711U,L711E L1701,L1711 TXFGP99VJD3R POLARIZINGPLATE/OUT(R) L501U,L501U-P, L501U-G,L501E, L501E-G,L501E-P, L1501 TXFGP99VJD2G POLARIZINGPLATE/OUT(G) L701U,L701U-G, L701U-P,L701E, L701E-P,L701E-G, L711U,L711E L1701,L1711 TXFGP99VJD3G POLARIZING PLATE/OUT(G)
  • Page 47 Ref. No. Part No. Part Name & Description Remarks TXFKF98VJD2A BOTTOM COVER ASSY L701U TXFKF98VJF3A BOTTOM COVER ASSY L701U-G TXFKF98VJE9A BOTTOM COVER ASSY L701U-P,L701E-P TXFKF97VJD2A BOTTOM COVER ASSY L701E TXFKF97VJF3A BOTTOM COVER ASSY L701E-G TXFKF99PHNZA BOTTOM COVER ASSY L711U TXFKF98PHNZA BOTTOM COVER ASSY L711E TXFKF93VJD2A...
  • Page 48 Q9601-04 2SD601AR TRANSISTOR Ref. No. Part No. Part Name & Description Remarks [DIODES] D9101 ERZV14D471 VARISTOR D9601 B0JCPD000010 DIODE D9602 MA1Z047 DIODE D9603 B0JCPD000010 DIODE D9604 MA1Z068 DIODE [COILS] L9101 G0BYYYH00002 CHOKE COIL L9601 G0A151H00002 CHOKE COIL L9602 EXCELDR35C CORE L9603 G0A221H00002 CHOKE COIL...
  • Page 49 Ref. No. Part No. Part Name & Description Remarks JK1005,06 K1FB115B0066 D-SUB 15P JK1007 TJS1A7250 HEADHONE JACK JK1008 K2HA101B0022 VIDEO INPUT TERMINAL JK1009 K2HA101B0021 AUDIO INPUT TERMINAL JK1010 K2HA101B0020 AUDIO INPUT TERMINAL JK9101,02 TJC6137 EARTH LUG JK9601-03 TJC6137 EARTH LUG TJS8A8570 2P CONNECTOR RM1001,02...

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