TopPage LC-40D68UT SERVICE MANUAL No. S40F340D68UT/ LCD COLOR TELEVISION LC-40D68UT MODEL In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig- inal condition and only parts identical to those specified should be used.
LC-40D68UT LC-40D68UT SAFETY PRECAUTION Service Manual IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING • Use an AC voltmeter having with 5000 ohm per volt, or higher, sen- sitivity or measure the AC voltage drop across the resistor.
LC-40D68UT PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT • A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ...
LC-40D68UT PRECAUTIONS FOR USING LEAD-FREE SOLDER Employing lead-free solder • “PWBs” of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.
LC-40D68UT LC-40D68UT OUTLINE Service Manual MAJOR SERVICE PARTS PWB UNIT Ref No. Parts Code Description DUNTKF463FM02 MAIN Unit DUNTKF465FM02 TERMINAL Unit DUNTKE266FM02 KEY Unit DUNTKF096FM01 R/C, LED Unit RDENCA393WJQZ POWER Unit 9JS-5540T04C04 LCD CONTROL Unit 9JS-1940T04001 INVERTER Unit OTHER UNIT Ref No.
The dimensional drawings are shown on the Spanish operation manual. • As part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of production units.
LC-40D68UT CHAPTER 2. LC-40D68UT OPERATION MANUAL Service Manual [1] OPERATION MANUAL TV (Front) Remote control sensor OPC sensor * OPC indicator POWER indicator * OPC: Optical Picture Control TV (Rear/Side) Antenna/Cable in OUTPUT terminals INPUT 3 terminals INPUT 1 terminals...
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LC-40D68UT Direct Button Operation Changing Volume You can change the volume by pressing VOL / the TV or on the remote control unit. To increase the volume, press VOL . To decrease the volume, press VOL . Audio status Output Select...
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LC-40D68UT AV MODE AUDIO AV MODE gives you several viewing options to choose MTS/SAP stereo mode from to best match the surrounding environment of the The TV has a feature that allows reception of sound TV, which can vary due to factors like room brightness, other than the main audio for the program.
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LC-40D68UT Press CC. INPUT This will present the Closed Caption information display. To view external source images, select the input source by Press CC while the Closed Caption information is pressing INPUT on the remote control unit or on the TV.
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LC-40D68UT VIEW MODE You can select the screen size. Press VIEW MODE. The View Mode menu displays. The menu lists the View Mode options selectable for the type of video signal currently being received. Press VIEW MODE or while the View Mode menu is displayed to select a desired item on the menu.
This TV should be mounted on the wall with both Before performing work spread cushioning over the base the AN-37AG2 (SHARP) wall mount bracket and the area to lay the TV on. This will prevent it from being AN-37P30 (SHARP) attachment of the wall mount damaged.
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LC-40D68UT Appendix Troubleshooting Problem Possible Solution • No power • Check if you pressed POWER on the remote control unit. If the indicator on the TV does not light up, press POWER on the TV. • Is the AC cord disconnected? •...
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LC-40D68UT Appendix Problem Possible Solution • No picture • Is connection to other components correct? • Is correct input signal source selected after connection? • Is the correct input selected? • Is “On” selected in “Audio Only”? • If the PC image is not displayed, check the following: - When connecting a laptop PC to the TV, check that display output mode of the PC is set to external monitor.
LC-40D68UT CHAPTER 4. LC-40D68UT REMOVING OF MAJOR PARTS Service Manual [1] REMOVING OF MAJOR PARTS 1. Removing of Stand Unit and Rear Cabinet. 1. Remove the 4 lock screws and detach the Stand Unit 2. Detach the 4 pieces VESA Hole Cover 3.
LC-40D68UT 2. Removing of Speaker-L/R, KEY Unit Ass’y, Bottom Cover and R/C, LED Unit. 1. Disconnect SP wire and detach the Speaker-L /Speaker-R 2. Detach the KEY Button Cover Ass’y. 3. Detach the KEY Unit from KEY Button Cover and disconnect KM wire.
LC-40D68UT 3. Removing of Connectors. 1. Disconnect the following connectors from MAIN Unit. (PD, LW) 2. Disconnect the following connectors from POWER Unit. (PD, LB2) 3. Disconnect the following connectors from LCD CONTROL Unit. (LW) 4. Disconnect the following connectors from INVERTER Unit. (LB2)
LC-40D68UT 4. Removing of 40” LCD Panel Module Unit, TERMINAL Unit, MAIN Unit and POWER Unit. 1. Remove the 2 lock screws , 6 hooks and detach the 40” LCD Panel Module Unit 2. Remove the 8 lock screws and detach the TERMINAL Unit /MAIN Unit 3.
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LC-40D68UT 5. Removing of MAIN PWB Angle-L/W, POWER PWB Angle, VESA Angle, Center Angle and Panel Angle-L/R. 1. Remove the 2 lock screws , 3 lock screws and detach the MAIN PWB Angle-L 2. Remove the 2 lock screws and detach the MAIN PWB Angle-W 3.
LC-40D68UT CHAPTER 5. LC-40D68UT ADJUSTMENT Service Manual [1] ADJUSTMENT PROCEDURE The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become improper or an adjustment is required due to part replacement, make an adjustment according to the following procedure.
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LC-40D68UT 4. After the unit startup, the system upgrade screen as shown below appears within 10-40 seconds. D68UT 5. Even a single failure in the process will trigger the upgrade failure screen. Software Update Software Update D68UT Failed to complete update.
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LC-40D68UT 2.3. Monitor microprocessor software version upgrade 1) Download “E8 Emulator” from Renesas Web site and install it. http://america.renesas.com/sensitivity.do? downloadId=C2003512 Product Name: E8 Emulator Software V.2.11 Release 01 for M16C, H8 Upgrade (Debugger package version) Oct.24.08 2) Connect E8 Emulator Debugger to PC from USB port. (Driver of “E8 Emulator Debugger” found in CD-ROM.) 3) Connect E8 writer to LCD’s 20PIN port.
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LC-40D68UT 6) In the next page input information as specified below and click “OK”. Select “Debugger only - R8C E8 SYSTEM” Specify workspace name; any name is OK. Select “M16C” (initial value) 7) Select entry as below and click “...
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LC-40D68UT 16)Confirm the file name of mot-file appears in the dialog entry and click “OK”. 17)From main menu, continuously click “Debug”, “Download Modules” and the mot-file location, then writing process starts. 5 – 10...
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LC-40D68UT 18)Confirm the dialog-box below appears. It means the writing process completed successfully Then shut down “High Performance Embedded Workshop”, unplug 20PIN connector, and E8 firmware updating finish. 5 – 11...
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LC-40D68UT 3. Entering and exiting the adjustment process mode 1) Before entering the adjustment process mode, the AV position RESET in the video adjustment menu. 2) While holding down the “VOL (–)” and “INPUT” keys at a time, plug in the AC cord of the main unit to turn on the power.
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LC-40D68UT 5. List of adjustment process mode menu Top hierarchical menu item Page Item Description Remarks (adjustment detail, etc.) MODEL INCH SIZE INDUSTRY INIT ERROR NO RESET Number of termination due to lamp error and Reset PUBLIC MODE Public mode...
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LC-40D68UT SOUND Page Item Description Remarks (adjustment detail, etc.) SOUND4 Sub Sonic Filter Sub Sonic Filter Fc Virtual Surround Band LPF Fc Band HPF Fc AGC Switch AGC Mode AGC Gain Max AGC Gain Min AGC Threshold AGC Attack Time...
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DVP-M2 2 N358 TV CONT N358 TV BRIGHT N358 TV COLOR N358 TV TINT N358 TV SHARP V1 OVER N358 TV SHARP V1 UNDER N358 TV SHARP V2 OVER N358 TV SHARP V2 UNDER N358 TV SHARP H1 OVER N358 TV SHARP H1 UNDER...
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DVP-M2 3 N358 AV CONT N358 AV BRIGHT N358 AV COLOR N358 AV TINT N358 AV SHARP V1 OVER N358 AV SHARP V1 UNDER N358 AV SHARP V2 OVER N358 AV SHARP V2 UNDER N358 AV SHARP H1 OVER N358 AV SHARP H1 UNDER...
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DVP-M2 9 DTV 525I CONT DTV 525I BRIGHT DTV 525I COLOR DTV 525I TINT DTV 525I SHARP V1 OVER DTV 525I SHARP V1 UNDER DTV 525I SHARP V2 OVER DTV 525I SHARP V2 UNDER DTV 525I SHARP H1 OVER DTV 525I SHARP H1 UNDER...
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DVP-M2 11 DTV 1125I CONT DTV 1125I BRIGHT DTV 1125I COLOR DTV 1125I TINT DTV 1125I SHARP V1 OVER DTV 1125I SHARP V1 UNDER DTV 1125I SHARP V2 OVER DTV 1125I SHARP V2 UNDER DTV 1125I SHARP H1 OVER DTV 1125I SHARP H1 UNDER...
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DVP-M2 15 HDMI 1125I CONT HDMI 1125I BRIGHT HDMI 1125I COLOR HDMI 1125I TINT HDMI 1125I SHARP V1 OVER HDMI 1125I SHARP V1 UNDER HDMI 1125I SHARP V2 OVER HDMI 1125I SHARP V2 UNDER HDMI 1125I SHARP H1 OVER HDMI 1125I SHARP H1 UNDER...
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DVP-M2 20 HDMI PC (Dot) CONT HDMI PC (Dot) BRIGHT HDMI PC (Dot) COLOR HDMI PC (Dot) TINT HDMI PC (Dot) SHARP V1 OVER HDMI PC (Dot) SHARP V1 UNDER HDMI PC (Dot) SHARP V2 OVER HDMI PC (Dot) SHARP V2...
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LC-40D68UT DVP-M2 Page Item Description Remarks (adjustment detail, etc.) DVP-M2 24 SAT R SAT Y SAT G SAT C SAT B SAT M SAT R-Y SAT Y-G SAT G-C SAT C-B SAT B-M SAT M-R DVP-M2 25 BRI R BRI Y...
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LC-40D68UT 6. Video signal adjustment procedure 6.1. AD TRANSFORM LEVEL Adjustment 6.1.1 Input 1080i signal 1. Input 1080i color bar signal. Signal generation: LEADER LT448 Signal: color BAR. Setting: 02: 1080i/59.94 (30sf) H: 33.72 KHz V: 29.97Hz NOTE: Please use the third color Bar of LT448 generator.
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LC-40D68UT 6.3. Tuner/V-Chip test Adjustment item Adjustment conditions Adjustment procedure Adjustment NTSC RF signal Feed the NTSC signal to RF ANTENNA input. US-7 (AIR) ch Auto adjustment Bring the cursor on [OTHERS]→[OTERRS2]→[.TUNER VCHIP TEST (*07ch)] performance and press [LEFT]. (*Select the channel according to the RF signal.) [.A-OK (***.**)/VM-OK] appears in blue when finished.
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LC-40D68UT 8. Initialization of factory settings 8.1. Making factory settings Use the adjustment remote controller for the factory settings. 8.1.1 Press the ENTER key at the INDUSTRY INT on Adjustment Process Page1 which is selected “YES”. 8.1.2 Sever seconds later, “SETTING COMPLETE” “TV VER *.**” appears at the center of the screen.
LC-40D68UT [2] PUBLIC MODE SETTING PROCEDURE 1. How to start Public Mode • There are the following two ways to get the public mode setup screen displayed. In the adjustment process mode, turn on “PUBLIC MODE”. Also press the “CH ( )”...
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LC-40D68UT 4. Public Mode Menu The guidance is not displayed on screen. Setup procedure • To move the cursor up and down, use the “cursor UP/DOWN” key (remote controller) and “CH ( )” key (remote controller and set). • To change the settings, use the “cursor RIGHT/LEFT” key (remote controller) and “VOL (+)/(–)” key (remote controller and set).
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LC-40D68UT 5. On Setting Items * “EZ-SETUP” discussed below indicates “EZ-SETUP after the first power-on”. 1) POWER ON FIXED Selection Selection between “Variable” and “Fixed” (loop provided) Default – (Variable) Explanation In “Fixed” setting, the power-off by the power key of the unit is invalidated and the image is kept being received.
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LC-40D68UT 6) PANEL BUTTON Selection Selection between “Respond” and “No respond” (loop provided) Default Respond Explanation All the operations by keys (except the power key) of the unit can be invalidated. Limit in Setting Exception • Adjustment process, inspection mode and hotel menu mode can be started irrespective of setting.
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LC-40D68UT 11)INPUT MODE FIXED Selection Selection between “Variable”, “Fixed”. (loop provided) Default – (Variable) Explanation The input mode is fixed at the input source or the channel set at the “Input mode start” in 10 and other input sources and chan- nels can be made non-selectable.
LC-40D68UT CHAPTER 6. LC-40D68UT TROUBLESHOOTING TABLE Service Manual [1] TROUBLESHOOTING TABLE No video (1) COMPOSITE: No external input video [INPUT-1] COMPOSITE: No external input video [INPUT-3] Is INPUT-1 selected on the input select menu screen? Is INPUT-3 selected on the input select menu screen?
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LC-40D68UT No video (2) COMPONENT: No external input video [INPUT-1] COMPONENT: No external input video [INPUT-2] Is INPUT-1 selected on the input select menu screen? Is INPUT-2 selected on the input select menu screen? Is the INPUT-SELECT for the input signal?
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LC-40D68UT No video (3) PC: No external input video [INPUT-4] Is INPUT-4 selected on the input select menu screen? Select INPUT-4 on the input select menu screen for the right input signal. Is IC602 (EEPROM) accessed by I2C, with PC connected, to read the DDC_I2C DSUB_SCL/DSUB_SDA data? Check the DDC line and its peripheral circuits.
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LC-40D68UT <HDMI input> No video (4)-1 HDMI: No external input video [INPUT-5] HDMI: No external input video [INPUT-6] Is INPUT-5 selected on the input select menu screen? Is INPUT-6 selected on the input select menu screen? Select INPUT-5 on the input select menu screen for Select INPUT-6 on the input select menu screen for the right the right input signal.
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LC-40D68UT <HDMI input> No video (4)-2 HDMI: No external input video [INPUT-7] Is INPUT-7 selected on the input select menu screen? Select INPUT-7 on the input select menu screen for the right input signal. Does the HOT PLUG detection function? Check the line between the input terminals of SC1603 and IC8001 and their peripheral circuits.
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LC-40D68UT No video (5) No video at UHF/VHF broadcast signal reception No video at digital broadcast signal reception Is the specified TV signal selected on the input select menu screen? Is there the analog video signal output (VIDEO) at pin (19) of tuner...
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LC-40D68UT No audio (1)-1 INPUT-1 No audio. INPUT-2 No audio. Is INPUT-1 selected on the input select menu screen? Is INPUT-2 selected on the input select menu screen? Refer to “:No external input video [INPUT-1]”. Refer to “:No external input video [INPUT-2]”.
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LC-40D68UT No audio (1)-2 INPUT-3 No audio. Is INPUT-3 selected on the input select menu screen? Refer to “:No external input video [INPUT-3]”. Is the audio output selected for “VARIABLE” on the menu Set the audio output to “FIXED”. screen? Does the audio signal come from pins (5) (L) and (4) (R) of input Check the line between J501 and IC503.
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LC-40D68UT No audio (2) [PC analog audio input] INPUT-4 No audio. [HDMI analog audio input] INPUT-6 No audio. Is INPUT-4 selected on the input select menu screen? Is INPUT-6 selected on the input select menu screen? Refer to “:No external input video [INPUT-4]”.
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LC-40D68UT No audio (3) INPUT-5 No audio (HDMI connected) INPUT-6 No audio (HDMI connected) INPUT-7 No audio (HDMI connected) [INPUT-5 input] Is INPUT-5 selected on the input select menu screen? [INPUT-6 input] Is INPUT-6 selected on the input select menu screen?
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LC-40D68UT No audio (4) No audio at UHF/VHF broadcast signal reception. No audio at digital broadcast signal reception. Is TV selected on the input select menu screen? Is TV selected on the input select menu screen? Refer to “No video at UHF/VHF broadcast signal Refer to “No video at digital broadcast signal reception”.
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LC-40D68UT No monitor audio output Is the audio output from the monitor set at “VARIABLE” or Check IC8001 (CPU) and its peripheral circuits. “FIXED” on the menu screen? Are there the audio signal outputs (I2S Line) at pins (H4) Check IC8001 (CPU) and its peripheral circuits.
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LC-40D68UT No audio signal at Digital Audio Output terminal (Analog sound heard) No INPUT-5/6/7 (HDMI) audio. No audio at digital broadcast signal reception. If no video appears, refer to “No external input video (HDMI) If no video appears, refer to “No video at digital broadcast signal recep- [INPUT-5/6/7]”.
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LC-40D68UT LED flashing timing chart for error notification. 250ms 1sec Unused 1) Power LED (Large classification) Error type Power green LED operation (1 cycle) Pins are monitor microprocessor (IC2002) pins. Lamp error H: On Judged by the ERR_PNL port. Confirmed after 10 consecutive...
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LC-40D68UT 2) Power error details (Power LED flashes twice and OPC LED flashes) Pins are monitor microprocessor pins unless otherwise Error type OPC LED operation (1 cycle) specified. DET_POW1 error H: On DET_POW1 error (L). Flashes once Detected by the above polling.
LC-40D68UT PartsGuide PARTS GUIDE No. S40F340D68UT/ LCD COLOR TELEVISION LC-40D68UT MODEL CONTENTS PRINTED WIRING BOARD SUPPLIED ACCESSORIES ASSEMBLIES PACKING PARTS LCD PANEL MODULE (NOT REPLACEMENT ITEM) CABINET PARTS SERVICE JIGS (USE FOR SERVICING) Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.
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LC-40D68UT PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [1] PRINTED WIRING BOARD ASSEMBLIES MAIN Unit DUNTKF463FM02 TERMINAL Unit DUNTKF465FM02 KEY Unit DUNTKE266FM02 R/C, LED Unit DUNTKF096FM01 POWER Unit RDENCA393WJQZ 9JS-5540T04C04 LCD CONTROL Unit INVERTER Unit 9JS-1940T04001 [2] LCD PANEL MODULE 40"...
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LC-40D68UT [3] CABINET PARTS KEY Unit 40" LCD Panel Module Unit R/C, LED Unit MAIN Unit TERMINAL Unit POWER Unit Stand Support Ass'y Stand Unit...
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LC-40D68UT PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [3] CABINET PARTS Front Cabinet Ass'y CCABAC508WJ31 Front Cabinet Not available SHARP Badge HBDGBA061WJSA LED Cover Not available Rear Cabinet GCABBB678WJ3A KEY Button Cover Ass'y CBTN-A863WJ31 KEY Button Cover JBTN-A863WJ3A KEY Button Label...
LC-40D68UT [4] SUPPLIED ACCESSORIES Remote control unit “AA” size battery AC cord Stand unit Stand support ass'y Cable clamp Screw ass'y Enquete Card Extendwaranty Operation manual Connection guide PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [4] SUPPLIED ACCESSORIES Stand Support Ass'y, x2...
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LC-40D68UT [5] PACKING PARTS (NOT REPLACEMENT ITEM) Not Replacement item...
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LC-40D68UT PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [5] PACKING PARTS (NOT REPLACEMENT ITEM) Cover Sheet SPAKAA520WJZZ Packing Case SPAKCF434WJZZ Sack SPAKPB219WJZZ Wrapping Paper SPAKPB422WJZZ Wrapping Paper SPAKPB423WJZZ Packing Foam SPAKXC881WJZZ Polyethylene Bag SSAKA0101GJZZ Polyethylene Bag SSAKAA032WJZZ Polyethylene Bag...
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