Service manual

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SERVICE MANUAL

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.

This document has been published to be used for

after sales service only.

The contents are subject to change without notice.

SAFETY PRECAUTION

IMPORTANT SERVICE SAFETY PRE-

CAUTION............................................................i

PRECAUTIONS A PRENDRE LORS DE

LA REPARATION...............................................ii

PRECAUTIONS FOR USING LEAD-FREE

SOLDER ...........................................................iii

CHAPTER 1. SPECIFICATIONS

[1] SPECIFICATIONS ......................................... 1-1

CHAPTER 2. OPERATION MANUAL

[1] OPERATION MANUAL .................................. 2-1

CHAPTER 3. DIMENSIONS

[1] DIMENSIONS ................................................ 3-1

CHAPTER 4. REMOVING OF MAJOR PARTS

[1] REMOVING OF MAJOR PARTS ................... 4-1

CHAPTER 5. ADJUSTMENT

[1] ADJUSTMENT PROCEDURE....................... 5-1

[2] PUBLIC MODE SETTING PROCEDURE...... 5-25

CHAPTER 6. TROUBLESHOOTING TABLE

[1] TROUBLESHOOTING TABLE ......................6-1

CHAPTER 7. OVERALL WIRING/BLOCK DIAGRAM

[1] OVERALL WIRING DIAGRAM (LC-

40E67U) ........................................................7-1

[2] OVERALL WIRING DIAGRAM (LC-

40E77U) ........................................................7-2

[3] SYSTEM BLOCK DIAGRAM.........................7-3

CHAPTER 8. PRINTED WIRING BOARD ASSEM-

BLIES

[1] KEY Unit........................................................8-1

[2] MAIN Unit ......................................................8-2

[3] LED Unit ........................................................8-6

CHAPTER 9. SCHEMATIC DIAGRAM

[1] DESCRIPTION OF SCHEMATIC DIA-

GRAM............................................................9-1

[2] SCHEMATIC DIAGRAM................................9-2

Parts Guide

TopPage

CONTENTS

LC-40E67U/LC-40E77U

No. S39X4LC40E67U

MODELS

LC-40E67U

LC-40E77U

LCD COLOR TELEVISION

In the interests of user safety (required by safety regulations in some countries) the set should be restored to its

original condition and only parts identical to those specified should be used.

Summary of content (112 pages)

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TopPage LC-40E67U/LC-40E77U SERVICE MANUAL No. S39X4LC40E67U LCD COLOR TELEVISION LC-40E67U MODELS LC-40E77U In the interests of user safety (required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used. CONTENTS SAFETY PRECAUTION IMPORTANT SERVICE SAFETY PRECAUTION ............................................................i PRECAUTIONS A PRENDRE LORS DE LA REPARATION .................................
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LC-40E67U/LC-40E77U Service Manual LC40E67U SAFETY PRECAUTION 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 • 1. For continued safety, no modification of any circuit should be attempted. Use an AC voltmeter having with 5000 ohm per volt, or higher, sensitivity or measure the AC voltage drop across the resistor.
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LC-40E67U/LC-40E77U 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 10 watts en parallèle avec un condensateur de 0.15µF en série avec toutes les pièces métalliques exposées du coffret et une terre connue comme une conduite électrique ou une prise de terre branchée à la terre.
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LC-40E67U/LC-40E77U 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. Example: Indicates lead-free solder of tin, silver and copper. Indicates lead-free solder of tin, silver and copper.
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LC-40E67U/LC-40E77U Service Manual LC40E67U CHAPTER 1.
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LC-40E67U/LC-40E77U Service Manual LC40E67U CHAPTER 2.
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LC-40E67U/LC-40E77U Remote Control Unit 1 2 3 4 17 18 19 1 TV POWER: Switch the TV power on or enter standby. 2 DISPLAY: Display the channel information. 3 SOURCE POWER: Turns the power of the external equipment on and off. 4 External equipment operational buttons: Operate the external equipment. 5 0–9: Set the channel. 6 • (DOT) 7 INPUT: Select a TV input source.
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LC-40E67U/LC-40E77U QUICK REFERENCE Attaching the Stand • Before attaching (or detaching) the stand, unplug the AC cord from the AC INPUT terminal. • Before performing work spread cushioning over the base area to lay the TV on. This will prevent it from being damaged. CAUTION • Attach the stand in the correct direction. • Do not remove the stand from the TV unless using an optional wall mount bracket to mount it. • Be sure to follow the instructions.
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LC-40E67U/LC-40E77U Appendix Removing the Stand Before detaching (or attaching) the stand, unplug the AC cord from the AC INPUT terminal. CAUTION Do not remove the stand from the TV unless using an optional wall mount bracket to mount it. Before attaching/detaching the stand Before performing work, make sure to turn off the TV. Before performing work spread cushioning over the base area to lay the TV on. This will prevent it from being damaged.
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LC-40E67U/LC-40E77U Appendix Troubleshooting Problem Possible Solution • No power • Check if you pressed TV 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? • Has the power been turned on? • Unit cannot be operated. • External influences such as lightning, static electricity, may cause improper operation.
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LC-40E67U/LC-40E77U On-Screen Display Menu Menu Items For TV/INPUT 1/2/3 Mode For HDMI/PC-IN Mode Picture Menu OPC Backlight Contrast Brightness Color Tint Sharpness Advanced C.M.S.-Hue C.M.S.-Saturation C.M.S.-Value Color Temp Active Contrast Film Mode Digital Noise Reduction 3D-Y/C Monochrome Range of OPC Reset Picture Menu OPC Backlight Contrast Brightness Color Tint Sharpness Advanced C.M.S.-Hue C.M.S.-Saturation C.M.S.
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LC-40E67U/LC-40E77U Service Manual LC40E67U CHAPTER 3. DIMENSIONS [1] DIMENSIONS Unit: inch (mm) 4 37/ 64 (116) 38 / 7 8 (987) 4 7/ 32 (107) 15 41/ 64 (397) 19 45/ 64 (500.35) 24 11 / 32 (618) 2 47/ 64 (69) 27 1/ 16 (687) 34 61/ 64 (887.
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LC-40E67U/LC-40E77U Service CHAPTER 4. REMOVING OF MAJOR PARTS LC40E67U Manual [1] REMOVING OF MAJOR PARTS 1. Removing of Stand Unit and Rear Cabinet Ass’y. 1. Remove the 4 lock screws 1 2. Detach the Bass Cone Cover 3. Remove the 1 lock screw and detach the Stand Unit. 2 3 . , 1 lock screw 4 , 10 lock screws 5 and detach the Rear Cabinet Ass’y.
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LC-40E67U/LC-40E77U 2. Removing of Button Cover,Speaker-L/R, Side AV Cover Ass’y, Main PWB Shield, Control Shield Ass’y. 1. Detach the Bottom Cover 1 . 2. Disconnect SP wire and detach the Speaker-L/R 2 . 3. Remove the 2 lock screws 3 , 2 lock screws 4 and detach the Side AV Cover Ass’y. 4. Remove the 3 lock screws 5 , 4 lock screws 6 , 3 lock screws 5. Remove the 4 lock screws 8 7 and detach the Main PWB Shield. and detach the Control Shield Ass’y (LC-40E77U).
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LC-40E67U/LC-40E77U 3. Removing of Connectors. 1. Disconnect the following connectors from MAIN Unit. (PD, LB1, LP, LW, KM, RA ,SP) 2. Disconnect the following connectors from POWER Unit. (PD, LB1, LW (LC-40E67U), PL (LC-40E77U)) 3. Disconnect the following connectors from LCD Control Unit.
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LC-40E67U/LC-40E77U 4. Removing of and POWER Unit, MAIN Unit, KEY Unit Ass’y and R/C, LED Unit. 1. Remove the 4 lock screws 1 and detach the POWER Unit, POWER PWB Holder. 2. Remove the 8 lock screws 2 and detach the MAIN Unit. 3. Detacht the KEY Unit Ass’y 3 . 4. Detach the KEY Unit from Operation Button and disconnect KM wire 5. Detach the R/C LED Unit and disconnect RA wire 5 4 . .
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LC-40E67U/LC-40E77U 5. Removing of Main PWB Angle, Panel Support Angle and LCD Panel Module Unit. 1. Remove the 2 lock screws 1 2 2. Remove the 12 lock screws 3. Remove the 2 lock screws and detach the 2 pieces Main PWB Angle. 3 and detach the Support Angle. and detach the LCD Panel Module Unit.
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LC-40E67U/LC-40E77U 6. Removing of LCD Panel Module, Lamp. 1. Remove the 12 lock screws 2. Detach the DBEF 5 1 , 4 lock screws , 2 pieces Lens Sheet 3. Detach the 2 pieces Lamp Holder 8 6 2 , and detach the Bezel Ass’y and Diffusion Plate , Socket 10 7 3 , P Chassis Ass’y 4 . . , detach the following 14 pieces Lamp 9 from BL Chassis Ass’y 11 .
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LC-40E67U/LC-40E77U Service Manual LC40E67U CHAPTER 5. ADJUSTMENT [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. 1. After replacement of any PWB unit and/or IC for repair, please note the following.
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LC-40E67U/LC-40E77U 4. After the unit startup, the system upgrade screen as shown below appears within 10-40 seconds. LC-40E67U LC-40E77U F3 F5 5. Even a single failure in the process will trigger the upgrade failure screen. LC-40E67U LC-40E77U Software Update Software Update ARTEMIS1 F3 ARTEMIS1 F5 Failed to complete update. Retry Software Update. If system update fails again, contact the customer service center. Failed to complete update. Retry Software Update.
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LC-40E67U/LC-40E77U 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-40E67U/LC-40E77U 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.
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LC-40E67U/LC-40E77U 8) click * . means “COMPLETE”. 9) Click “OK”.
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LC-40E67U/LC-40E77U 10)Select entries as specified below and click “OK”. Select “R8C/2A Group” Select “R5F212A8” 11)Click “ * (N)”. means “NEXT”.
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LC-40E67U/LC-40E77U 12)Click * means “COMPLETE”. 13)In the screen below, click “Debug Settings”.
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LC-40E67U/LC-40E77U 14)Select “S-Record” and click “Add”. Select “S-Record” 15)Click “Browse” and specify the location of mot-file.
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LC-40E67U/LC-40E77U 5–9
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LC-40E67U/LC-40E77U 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.
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LC-40E67U/LC-40E77U 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.
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LC-40E67U/LC-40E77U 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. The letter “” appears on the screen. 3) Next, hold down the “VOL (–)” and “CH ( (The “VOL (–)” and “CH ( )” keys at a time. )” keys should be pressed and held until the display appears.
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LC-40E67U/LC-40E77U 5. List of adjustment process mode menu Top hierarchical menu item Page 1 2 Item MODEL INCH SIZE ERROR NO RESET PUBLIC MODE V-CHIP CANADIAN VCHIP EXT CONTROL TEMPERATURE SYSCON VER ROM C5 VER ROM BOOT VER ROM I2C DATA I2C DATA SOUND TUNER DVP DVP-M2 OTHERS HOTEL POWERFIX Description Remarks (adjustment detail, etc.
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LC-40E67U/LC-40E77U SOUND Page SOUND4 SOUND5 TUNER Page TUNER1 TUNER2 Item 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 AGC Release Time Harmonic Switch Harmonic Mode Harmonic Gain Harmonic LPF Harmonic HPF DRC Switch DRC Threshold LPF DRC Threshold HPF DRC Ratio DRC Attack Time DRC Release Time DRC LPF Fc DRC HPF Fc Description Remarks (adjustment detail, etc.
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LC-40E67U/LC-40E77U DVP Page DVP2-2 DVP3 (M2-HD) DVP4 (M2-SD) DVP5 (M2-PC) DVP-M2 Page DVP-M2 1 DVP-M2 2 Item R6 G6 B6 R5 G5 B5 R4 G4 B4 R3 G3 B3 R2 G2 B2 R1 G1 B1 ADJ SETTING OK AUTO GAIN-OFFSET ALL AUTO GAIN-OFFSET AD R GAIN AD G GAIN AD B GAIN RGTAR GGTAR BGTAR RGCAL GGCAL BGCAL RHPOS GHPOS BHPOS RVPOS GVPOS BVPOS AUTO GAIN-OFFSET AD R GAIN AD G GAIN AD B GAIN RGTAR GGTAR BGTAR RGCAL GGCAL BGCAL RHPOS GHPOS BHPOS RVPOS GVPOS BVPOS AUTO GAIN-OFFSET AD R GAIN AD G GAIN AD B GAIN RGTAR GGTAR BGTAR RGC
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LC-40E67U/LC-40E77U DVP-M2 Page DVP-M2 3 DVP-M2 4 DVP-M2 5 DVP-M2 6 Item 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 N358 AV SHARP H2 OVER N358 AV SHARP H2 UNDER N358 AV SHARP H3 OVER N358 AV SHARP H3 UNDER 525I CONT 525I BRIGHT 525I COLOR 525I TINT 525I SHARP V1 OVER 525I SHARP V1 UNDER 525I SHARP V2 OVER 525I SHARP V2 UNDER 525I SHARP H1 OVER 525I SHARP H1 U
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LC-40E67U/LC-40E77U DVP-M2 Page DVP-M2 7 DVP-M2 8 DVP-M2 9 DVP-M2 10 Item 750P CONT 750P BRIGHT 750P COLOR 750P TINT 750P SHARP V1 OVER 750P SHARP V1 UNDER 750P SHARP V2 OVER 750P SHARP V2 UNDER 750P SHARP H1 OVER 750P SHARP H1 UNDER 750P SHARP H2 OVER 750P SHARP H2 UNDER 750P SHARP H3 OVER 750P SHARP H3 UNDER 1125P CONT 1125P BRIGHT 1125P COLOR 1125P TINT 1125P SHARP V1 OVER 1125P SHARP V1 UNDER 1125P SHARP V2 OVER 1125P SHARP V2 UNDER 1125P SHARP H1 OVER 1125P SHARP H1 UNDER 1125P SHARP H2 OVER 1125P
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LC-40E67U/LC-40E77U DVP-M2 Page DVP-M2 11 DVP-M2 12 DVP-M2 13 DVP-M2 14 Item 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 DTV 1125I SHARP H2 OVER DTV 1125I SHARP H2 UNDER DTV 1125I SHARP H3 OVER DTV 1125I SHARP H3 UNDER DTV 750P CONT DTV 750P BRIGHT DTV 750P COLOR DTV 750P TINT DTV 750P SHARP V1 OVER DTV 750P SHARP V1 UNDER DTV 750P SHARP V2
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LC-40E67U/LC-40E77U DVP-M2 Page DVP-M2 15 DVP-M2 16 DVP-M2 18 DVP-M2 19 Item 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 HDMI 1125I SHARP H2 OVER HDMI 1125I SHARP H2 UNDER HDMI 1125I SHARP H3 OVER HDMI 1125I SHARP H3 UNDER HDMI 750P CONT HDMI 750P BRIGHT HDMI 750P COLOR HDMI 750P TINT HDMI 750P SHARP V1 OVER HDMI 750P SHARP V1 UND
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LC-40E67U/LC-40E77U DVP-M2 Page DVP-M2 20 DVP-M2 21 DVP-M2 22 DVP-M2 23 Item 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 UNDER HDMI PC (Dot) SHARP H1 OVER HDMI PC (Dot) SHARP H1 UNDER HDMI PC (Dot) SHARP H2 OVER HDMI PC (Dot) SHARP H2 UNDER HDMI PC (Dot) SHARP H3 OVER HDMI PC (Dot) SHARP H3 UNDER PC CONT PC BRIGHT PC COLOR PC TINT PC SHARP V1 OVER PC SHARP V1 UND
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LC-40E67U/LC-40E77U DVP-M2 Page DVP-M2 24 DVP-M2 25 DVP-M2 27 DVP M2 28 OTHERS Page OTHERS1 OTHERS2 Item 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 BRI R BRI Y BRI G BRI C BRI B BRI M BRI R-Y BRI Y-G BRI G-C BRI C-B BRI B-M BRI M-R AV BLACK STRETCH PC BLACK STRETCH COLOR TEMP High R COLOR TEMP High G COLOR TEMP High B COLOR TEMP Mid-High R COLOR TEMP Mid-High G COLOR TEMP Mid-High B COLOR TEMP Middle R COLOR TEMP Middle G COLOR TEMP Middle B COLOR TEMP Mid-Low R
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LC-40E67U/LC-40E77U 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. 2. Adjusting AUTO GAIN-OFFSET in page 4 of DVP3 (M2-HD) to RUN. When “AUTO GAIN-OFFSET OK” appears, this adjustment is complete. 6.1.2 Input 480i signal 1. Input 480i color bar signal.
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LC-40E67U/LC-40E77U 6.3. Tuner/V-Chip test 1 2 Adjustment item Adjustment Adjustment conditions NTSC RF signal US-7 (AIR) ch Auto adjustment performance Adjustment procedure Feed the NTSC signal to RF ANTENNA input. Bring the cursor on [OTHERS]→[OTERRS2]→[.TUNER VCHIP TEST (*07ch)] and press [LEFT]. (*Select the channel according to the RF signal.) [.A-OK (***.**)/VM-OK] appears in blue when finished. (If [A-NG/VM-NG] appears in yellow or red, the test is incomplete.) Make sure a displacement of ±0.
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LC-40E67U/LC-40E77U 8. Initialization of factory settings 8.1. Making factory settings Use the adjustment remote controller for the factory settings. 8.1.1 Hold on the remote controller’s FACTORY SETTING key. 8.1.2 Sever seconds later, “SETTING COMPLETE” COMPLETE” “TV VER *.**” appears at the center of the screen. If background of screen is green, the settings are complete. SETTING COMPLETE TV VER *.** 8.1.3 Power off the set. NOTE: Do not turn on the power once the factory settings have been made.
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LC-40E67U/LC-40E77U [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. 1 In the adjustment process mode, turn on “PUBLIC MODE”. Also press the “CH ( 2 1) Press the “INPUT” and “VOL (+)” keys on the set at once and turn on the power. )” and “VOL (+)” keys on the set at once and turn on the power. 2) Get the password input screen displayed. Procedure ˴The input starts with the leftmost digit.
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LC-40E67U/LC-40E77U 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 ( • To change the settings, use the “cursor RIGHT/LEFT” key (remote controller) and “VOL (+)/(–)” key (remote controller and set). • To save new settings, keep the cursor at “ENTER” and use “ENTER” key (remote controller and set).
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LC-40E67U/LC-40E77U 5. On Setting Items * “EZ-SETUP” discussed below indicates “EZ-SETUP after the first power-on”. 1) POWER ON FIXED Selection Default Explanation Limit in Setting Exception Remarks Selection between “Variable” and “Fixed” (loop provided) – (Variable) In “Fixed” setting, the power-off by the power key of the unit is invalidated and the image is kept being received. The power can be turned off by stopping the power supply from AC. Refer to the “Power-On Fixed” sheet.
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LC-40E67U/LC-40E77U 6) PANEL BUTTON Selection Default Explanation Limit in Setting Exception Selection between “Respond” and “No respond” (loop provided) Respond All the operations by keys (except the power key) of the unit can be invalidated. • • Adjustment process, inspection mode and hotel menu mode can be started irrespective of setting. All the keys can be used in adjustment process, inspection mode and hotel menu irrespective of setting.
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LC-40E67U/LC-40E77U 11)INPUT MODE FIXED Selection Default Explanation Limit in Setting Exception Remarks Selection between “Variable”, “Fixed”. (loop provided) – (Variable) 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 channels can be made non-selectable.
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LC-40E67U/LC-40E77U Service CHAPTER 6. TROUBLESHOOTING TABLE LC40E67U Manual [1] TROUBLESHOOTING TABLE No video (1) COMPOSITE: No external input video [INPUT-3] Is INPUT-3 selected on the input select menu screen? NO Select INPUT-3 on the input select menu screen for the right input signal. NO Does the INPUT-3 V3_PLUG detection function? Check the line between pin (7) of input terminal (J501) and pin (M1) of IC8001 (CPU).
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LC-40E67U/LC-40E77U No video (2) COMPONENT: No external input video [INPUT-1] Is INPUT-1 selected on the input select menu screen? Is the INPUT-SELECT for the input signal? COMPONENT: No external input video [INPUT-2] Is INPUT-2 selected on the input select menu screen? Is the INPUT-SELECT for the input signal? NO Select INPUT-1 on the input select menu screen for the right input signal. NO Select INPUT-2 on the input select menu screen for the right input signal.
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LC-40E67U/LC-40E77U No video (3) S-VIDEO: No external input video [INPUT-2] Is INPUT-2 selected on the input select menu screen? NO Does the INPUT-2 S1_PLUG detection function? Check the line between pin (6) of input terminal (J506) and pin (AB11) of IC8001 (CPU). YES Are there the S-VIDEO signal inputs at pins (A12) (Y) and (B9) (C) of IC8001 (CPU)? NO Check the line between pins (3) (Y)/(4) (C) of J506 and pins (A12)/(B9) of IC8001. (Q507 and Q508, etc.
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LC-40E67U/LC-40E77U No video (4) 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 (TU1101)? Are there the video signal outputs (IF_P/N) at the pins (12) and (13) of tuner (TU1101)? NO Check TU1101 and its peripheral circuits (TUN_SDA_C5: Pin8 of TU1101, TUN_SCL_C5: Pin9 of TU1101, etc.).
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LC-40E67U/LC-40E77U No video (5) PC: No external input video [INPUT-4] Is INPUT-4 selected on the input select menu screen? NO 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. (IC602 and its peripherals).
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LC-40E67U/LC-40E77U No video (6)-1 HDMI: No external input video [INPUT-5] Is INPUT-5 selected on the input select menu screen? HDMI: No external input video [INPUT-6] Is INPUT-6 selected on the input select menu screen? NO Select INPUT-5 on the input select menu screen for the right input signal. YES NO Select INPUT-6 on the input select menu screen for the right input signal.
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LC-40E67U/LC-40E77U No video (6)-2 HDMI: No external input video [INPUT-7] Is INPUT-7 selected on the input select menu screen? HDMI: No external input video [INPUT-8] Is INPUT-8 selected on the input select menu screen? NO Select INPUT-7 on the input select menu screen for the right input signal. YES NO Select INPUT-8 on the input select menu screen for the right input signal.
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LC-40E67U/LC-40E77U No audio (1)-1 INPUT-1 No audio. Is INPUT-1 selected on the input select menu screen? INPUT-2 No audio. Is INPUT-2 selected on the input select menu screen? NO Refer to “: No external input video [INPUT-1]”. YES Is the audio output selected for “VARIABLE” on the menu screen? NO Refer to “: No external input video [INPUT-2]” YES Is the audio output selected for “VARIABLE” on the menu screen? NO Set the audio output to “FIXED”.
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LC-40E67U/LC-40E77U No audio (1)-2 INPUT-3 No audio. Is INPUT-3 selected on the input select menu screen? NO Refer to “: No external input video [INPUT-3]”. YES Is the audio output selected for “VARIABLE” on the menu screen? NO Set the audio output to “FIXED”. YES Does the audio signal come from pins (5) (L) and (4) (R) of input terminal (J501) to pins (14) (L) and (5) (R) of IC503 (AUDIO SWITCH)? NO Check the line between J501 and IC503.
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LC-40E67U/LC-40E77U No audio (2) [PC analog audio input] INPUT-4 No audio. Is INPUT-4 selected on the input select menu screen? [HDMI analog audio input] INPUT-6 No audio. Is INPUT-6 selected on the input select menu screen? NO Refer to “: No external input video [INPUT-4]”. YES Is the audio output selected for “VARIABLE” on the menu screen? NO Refer to “: No external input video [INPUT-6]”. YES Is the audio output selected for “VARIABLE” on the menu screen? NO Set the audio output to “FIXED”.
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LC-40E67U/LC-40E77U No audio (3) No audio at UHF/VHF broadcast signal reception. Is TV selected on the input select menu screen? NO Refer to “No video at UHF/VHF broadcast signal reception”. No audio at digital broadcast signal reception. Is TV selected on the input select menu screen? NO Refer to “No video at digital broadcast signal reception”. YES YES Is the audio output selected for “VARIABLE” on the menu screen? If no video appears, refer to “No video at digital broadcast signal reception”.
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LC-40E67U/LC-40E77U No audio (4) INPUT-5 No audio (HDMI connected) INPUT-6 No audio (HDMI connected) INPUT-7 No audio (HDMI connected) INPUT-8 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? [INPUT-7 input] Is INPUT-7 selected on the input select menu screen? [INPUT-8 input] Is INPUT-8 selected on the input select menu screen? NO Refer to “: No external input video [INPUT-5/6/7/8]”.
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LC-40E67U/LC-40E77U No audio signal at Digital Audio Output terminal (Analog sound heard) No INPUT-5/6/7/8(HDMI) audio. If no video appears, refer to “No external input video (HDMI) [INPUT-5/6/7/8]”. No audio at digital broadcast signal reception. If no video appears, refer to “No video at digital broadcast signal reception”. Is there the SPDIF signal output (OPT_OUT) at pin (J3) of IC8001 (CPU)? NO Check the IC8001 and its peripheral circuits.
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LC-40E67U/LC-40E77U No monitor audio output Is the audio output from the monitor set at “VARIABLE” or “FIXED” on the menu screen? YES Are there the audio signal outputs (I2S Line) at pins (H4) (LINE_LRCLK), (J4) (LINE_MCLK), (K3) (LINE_BCLK) and (K4) (LINE_DATA) of IC8001 (CPU)? YES Does the audio signal come from pins (H4/J4/K3/K4) (LINE_LRCLK/LINE_MCLK/LINE_BCLK/LINE_DATA) of IC8001 to pins (4) (LRCLK), (1) (MCLK), (2) (BCLK) and (3) (DATA) of IC1301 (Audio DAC)? YES Does the audio signal come from pins
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LC-40E67U/LC-40E77U LED flashing timing chart for error notification. 250ms 1sec Unused 1) Power LED (Large classification) Error type Lamp error Flashes once: Fast Power error Flashes twice Communication error with the main CPU Flashes 3 times Power green LED operation (1 cycle) L: Off Pins are monitor microprocessor (IC2002) pins. Judged by the ERR_PNL port. Confirmed after 10 consecutive detections at 500 ms intervals (detected only when the backlight is on).
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LC-40E67U/LC-40E77U 2) Power error details (Power LED flashes twice and OPC LED flashes) Error type DET_POW1 error Flashes once DET_POW2 error Flashes twice DET_6V error Flashes 3 times PNL_POW0 error Flashes 5 times Main error Flashes 7 times Pins are monitor microprocessor pins unless otherwise specified. DET_POW1 error (L). Detected by the above polling. UR13V is not applied. OPC LED operation (1 cycle) H: On L: Off H: On DET_POW2 error (L). Detected by the above polling.
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LC-40E67U/LC-40E77U - MEMO - 6 – 17
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LC-40E67U/LC-40E77U Service Manual LC40E67U CHAPTER 7.
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LC-40E67U/LC-40E77U [2] OVERALL WIRING DIAGRAM (LC-40E77U) 㪿㪼㪸㫋㫊㫀㫅㫂㩷㫄㫌㫊㫋㩷㪹㪼㩷㪸㫋㫋㪸㪺㪿㪼㪻㩷㫆㫅㩷㫋㪿㪼㩷㪺㫆㫄㫇㫆㫅㪼㫅㫋㩷㫎㫀㫋㪿㩷㫋㪿㫀㫊㩷㫄㪸㫉㫂㪉㪈㪈䇼㪣㪙䇽㪐㪈㩷㩷㪍䇼㪣㪙䇽㪈㪍䇼㪣㪙䇽㪈㪊䇼㪣㪘䇽䇼㪣㪘䇽㪈㪈㪉㪈㪊䇼㪧㪛䇽㪉㪈㪈㪋㪢㪜㪰㩷㪬㫅㫀㫋㪧㫆㫎㪼㫉㵘㪬㫅㫀㫋䇼㪢㪤䇽㪈㪌㪉㪈㪈㪋㪈㵘㵘㵘㪈㪉䇼㪧㪛䇽㪈㩷㩷㪍㪈㩷㩷㩷㩷㩷㪈㪌䇼㪣㪙䇽䇼㪣㪧䇽㪠㪥㪭㪜㪩㪫㪦㪩㪬㫅㫀㫋㪈䇼㪢㪤䇽㪉㪈䇼㪣㪮䇽㪋㪈㪚㪌㪤㪘㪠㪥㩷㪬㫅㫀㫋㪟㪛㪤㪠䌈䌄䌍䌉㪛㪛㪩㪧㫆㫊㫀㫋㫀㫆㫅㪉㪈㪫㪬㪥㪜㪩㪭㪆㪣㪩㪧㪚㩷㪘㫌㪻㫀㫆㩷㪠㪥㫆㫇㫋㫀㪺㪸㫃㩷㫆㫌㫋㪣㪆㪩㩷㫆㫌㫋㪈㩷㩷㩷㩷㩷㩷㩷㪋㪈䇼㪣㪮䇽㪪㪈㩷㩷㩷㩷㩷㪈㪌䇼㪣㪧䇽㪈㩷㩷㪋䇼㪧㪣䇽㪬㪪㪙㪉㪈㪘㫅㪸㫃㫆㪾㩷㪩㪞㪙㪩㪪㪄㪉㪊㪉㪚䇼㪩㪘䇽㪈㩷㩷㩷㩷㩷㩷㩷㪈㪇㪘㫉㫌㪾㫌㫃㪸䇼㪪㪧䇽㪈㩷
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LC-40E67U/LC-40E77U [3] SYSTEM BLOCK DIAGRAM /#+0 %8$5 .4 ;2D2T %8$5 . 4 ‫ޣ‬.2‫ޤ‬%0 RKP $7 8 +% 4GUGV +% # 59 / 456A* (.5A%2.& (.#5A9A%2.& 45A$7(A%06 (TQO %27 -*\ 4Z& 6Z& 8 +% ''241/ MDKV $7 8 +% 57$ 59 *% ) &2 + %A5&# + 5A5%. #(6 $7 8 + 1 + 1 +% 4Z& 6Z& 6*'4/1 6JGTOKUVGT #7&+1 .8&5 176 + % 670A+ % %8$5 5 8KFGQ ;2D2T -*\ 8 + %A 8 8 8 &A+( KP 5+( #)% %08UU /*\ :VCN 5% %QPPGEVQT HQT 2CPGN &GVGEV 20.
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LC-40E67U/LC-40E77U Service Manual LC40E67U CHAPTER 8.
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LC-40E67U/LC-40E77U [2] MAIN Unit MAIN Unit (Side-A) J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 8–2 12 13 14 15 16 17 18 19
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1 2 3 4 5 A 6 LUG1102 KOUJO1 7 8 FB607 C608 R608 9 10 8–3 11 TH2001 12 R9002 C1102 D503 D502 R2012 R2075 13 D504 C1108 C531 J507 C1132 C536 R1334 R1310 R1342 R1340 C1110 R1117 LF1 L2703 14 R2017 P2701 C1336 IC8251 LUG1104 L2611 L2609 L2610 L2612 L2604 FB2706 L2701 Q2704 L2702 J506 FB9003 LF3 15 P2601 L2602 C1334 R2602 R2601 L2601 C2725 Q2603 R8455 R8452 R8451 R8454 IC2701 C2730 IC1601 C2710 SC9301 C8460 C8462 R8031 R8030 R8025 C2726 C2705 C2713 C2706 C27
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LC-40E67U/LC-40E77U MAIN Unit (Side-B) J I H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 8–4 12 13 14 15 16 17 18 19
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LC-40E67U/LC-40E77U MAIN Unit (Chip Parts Side-B) C9602 C9601 R2008 C2003 C2002 R2009 R2047 C2016 R2011 R2044 C2013 R2048 C2014 R9005 R9008 R2004 R2033 R9027 R9029 FL2001 R2021 R2020 R2036 R2034 R9028 X2001 FB2001 R2019 R2042 R9604 TL9024 R1663 R1665 Q1623 C1623 D1618 C1635 IC1611 TL1630 TL1632 Q1612 R1608 R1609 TL1617 R1691 R1687 C1632 TL1609 R1683 D1614 C1636 TL1605 R1607 R1603 TL1613 TL1601 R1703 TL1610 D1612 D1608 TL1607 D1610 C1316 LUG1111 C1303 C1323 C1322
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LC-40E67U/LC-40E77U [3] LED Unit LED Unit (Side-A) J I H G F LED Unit (Chip Parts Side-A) 3 R116 R115 R103 P101 D102 D103 R114 R107 Q104 Q102 C104 R120 R113 R109 C101 Q103 P102 LF3 D R105 R106 C102 Q105 E RMC101 SLD101 IC101 C103 R110 D104 C B A 1 2 3 4 5 6 7 8 9 10 11 8–6 12 13 14 15 16 17 18 19
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LC-40E67U/LC-40E77U Service Manual LC40E67U CHAPTER 9. SCHEMATIC DIAGRAM [1] DESCRIPTION OF SCHEMATIC DIAGRAM 1. VOLTAGE MEASUREMENT CONDITION: 1) The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 120V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester. 2. INDICATION OF RESISTOR & CAPACITOR: RESISTOR 1) The unit of resistance "Ω" is omitted. (K=kΩ=1000Ω, M=MΩ).
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LC-40E67U/LC-40E77U [2] SCHEMATIC DIAGRAM 1.
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LC-40E67U/LC-40E77U 2. MAIN Unit-1 MAIN1 (TUNER) J R1116 0 TO MAIN8(CPU) TV_CVBS TU1101 AA033WJQZ VIDEO 19 I TO MAIN8(CPU) AFT TO MAIN13(POWER) R1103 68K AFT_OUT A9V 17 H R1118 2.7K R1113 12K C1132 15 B1 C1123 4700P 25V CZB 60mAmax 68u 10V AAPE 3.2 R1121 100 2.2 TO MAIN8(CPU) SIF Q1101 KTC3875SG R1142 0 R1114 3.9K R1119 1.8K R1120 2.2K 12 IF(+) C1112 10u 16V KZA510WJPZ 3.8 R1115 100 L1108 10uH CEM 1.6 13 IF(-) Q1102 KTC3875SG 3.
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LC-40E67U/LC-40E77U 3. MAIN Unit-2 MAIN2(A_TERM) INPUT3 INPUT1 INPUT2 J501 GA079WJ MAIN UNIT 2/14 J504 J503 GA108WJ GA108WJ J506 J505 DA035WJ FA039WJ J502 4 1 7 6 2 5 3 4 1 2 3 1 4 2 3 4 5 6 1 7 2 3 4 5 6 2 3 (PWBXF030WJ) W R W J 1 DUNTKF030WE J507 FA039WJ W R FA039WJ R 3 4 1 7 2 2 3 4 1 5 6 R505 100K R544 100K R513 100K C501 1u 10V CYB R552 75 1/10W R557 220 C511 1u 10V CYB C533 R571 75 1/10W R559 220 0.
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LC-40E67U/LC-40E77U 4. MAIN Unit-3 MAIN3 (AMP IF) TO MAIN13(POWER) MAIN UNIT 3/14 UR13V A9V J C1314 10u 25V KZA098WJ R1337 10K R1335 5.6K A5V DUNTKF030WE (PWBXF030WJ) D1311 EXA523WJ 5.6V D3.3V 0.0 0.7 0.0 Q1305 KRC404E R1324 4.7K TO MAIN8(CPU) R1338 3.3K Q1309 KTC3875SG TO MAIN4(AMP) 0.0 5.0 PROTECT_N AMP_PROTECT 0.
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LC-40E67U/LC-40E77U 5. MAIN Unit-4 MAIN4(AMP) J MAIN UNIT 4/14 TO MAIN3(AMP IF) DUNTKF030WE AMP_STANDBY_N (PWBXF030WJ) I PROTECT_N C2725 0.1u 25V R2752 220K AMP_MUTE_D L2701 22uH PA343WJPZ VS Q2704 KRC404E C2730 0.22u 25V H C2726 0.
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LC-40E67U/LC-40E77U 6. MAIN Unit-5 MAIN5 (HDMI_SW1) MAIN UNIT 5/14 TO MAIN13(POWER1) D3.3V DUNTKF030WE (PWBXF030WJ) TO MAIN7(UCOM) J TO MAIN13(POWER) BU3.
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LC-40E67U/LC-40E77U 7. MAIN Unit-6 MAIN6 (PANEL) TO_MAIN13(POWER1) MAIN UNIT 6/14 5V J D3.
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LC-40E67U/LC-40E77U 8. MAIN Uuit-7 MAIN7 (UCOM) J MAIN UNIT 7/14 DUNTKF030WE (PWBXF030WJ) TO MAIN12(CONN) RC TO MAIN13(POWER1) P2003 NA330WJ D3.3V TO R/C FB2005 A378WJQZ BU3.3V I FB2006 A378WJQZ R2048 4.
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LC-40E67U/LC-40E77U 9. MAIN Unit-8 MAIN8 (CPU) TO_MAIN13 (POWER1) D1.2V TO MAIN14(SP_IF) D1.8V A1.8V 380mA RX02P A1.8V RX02M J D3.3V RX12P A3.3V 400mA D8002 A3.3V RX12M MA111G RX22P FB8019 A206WJ FB8018 F RXC2P RXC2M A3V3_HDMI_IO A3V3_VIDEO_PLL C8140 10V 10u KZA616WJQZ 10K DDC2_SDA R8083 47K A1V8_HDMI_VDD SIF FB8013 A375WJQZ C8079 4.7u 6.
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LC-40E67U/LC-40E77U 10. MAIN Unit-9 MAIN9 (DDR) J TO MAIN13(POWER1) D1.8V C8251 0.1u CZB C8253 0.1u CZB C8255 0.1u CZB C8257 0.1u CZB C8259 0.1u CZB C8261 0.1u CZB C8263 0.1u CZB C8265 0.1u CZB MAIN UNIT 9/14 C8267 0.1u CZB DUNTKF030WE (PWBXF030WJ) C8252 10u 16V KZA237WJ C8254 0.1u CZB I H C8256 0.1u CZB C8258 0.1u CZB C8260 0.1u CZB C8262 0.1u CZB C8264 0.1u CZB C8266 0.1u CZB C8268 0.
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LC-40E67U/LC-40E77U 11. MAIN Unit-10 MAIN10 (EPROM) J MAIN UNIT 10/14 DUNTKF030WE (PWBXF030WJ) I H TO MAIN13(POWER1) BU3.3V D3.3V G R8453 10K CZ CZB C8451 R8456 10K CZ 0.1u F GND_B 1 HOLD# SCK CZB C8460 16 0.
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LC-40E67U/LC-40E77U 12. MAIN Unit-11 MAIN11 (EXBUS) J MAIN UNIT 11/14 WA562WJQZ SC9301 DUNTKF030WE (PWBXF030WJ) TO PC-CARD (Flash Memory Card) TO MAIN8(CPU) TCK TCK I 2 ASEBRKAK_N ASEBRKAK_N TDI TDI GND 1 GND 4 3 +3.
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LC-40E67U/LC-40E77U 13. MAIN Unit-12 MAIN12 (CONN) TO MAIN13(POWER1) MAIN UNIT 12/14 D3.3V J DUNTKF030WE BU3.3V (PWBXF030WJ) 5V BU5V *IC9001 TC7W00U TO MAIN7(UCOM) IRPASS I CZF *C9003 0.1u 25V Z 8 *D9002 7 6 2 3 5 VCC MA111G *R9002 10K GND 1 R9006 22 TO MAIN7(UCOM) RC RXD1_UCOM_RS H 4 *Q9001 RN1102 R9035 4.7K R9004 4.
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LC-40E67U/LC-40E77U 14. MAIN Unit-13 * This model is not used MAIN Unit-14. MAIN13 (POWER) MAIN UNIT 13/14 *R9636 27K CZ DUNTKF030WE10 TO MAIN1(TUNER) IC9603 A9V PQ1LAX95 (PWBXF030WJ) R9615 5.6K A5V CZ A3.3V P9601 NA181WJ FB9601 C9612 1u 10V KZA520WJQZ R9613 4.7K 0.796 CZB 8 Q9604 RT1N141U VS CZ 7 6 2 3 C9606 10u 16V KZA510WJPZ C9601 1u 10V UR13V 5V IC9605 D3.3V GND 1 2 3 4 D9611 EXA512WJ 4V L9603 15uH PA898WJ 5.1V 1440mA R9619 39 C9618 10u 16V KZA510WJPZ 1.
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LC-40E67U/LC-40E77U 15.
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LC-40E67U/LC-40E77U - MEMO - 9 – 17
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LC-40E67U/LC-40E77U PartsGuide PARTS GUIDE No. S39X4LC40E67U LCD COLOR TELEVISION LC-40E67U MODELS LC-40E77U Note: The reference numbers on the PWB are arranged in alphabetical order.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U [6] CABINET AND MECHANICAL PARTS LCD Module Assembly 42 26 1 36 1-1 7 37 1-5 1-4 31 R/C, LED Unit 44 38 9 1-3 6 2-1 1-2-1 4-1 1-2-2 46 4-2 8 44 KEY Unit 4 1-2 33 43 POWER Unit 47 34 2 2-2 13 30 27 35 R * LC-40E77U only 13 21 11 45 23 29 45 12 20 R 39 20 41 45 * LC-40E77U only 21 24 45 45 19 11 25 32 21 48 28 3-2 20 15 3-1 MAIN Unit 3 22 14 16 * LC-40E77U only 17 X5 18 40 㧽 45 5 17 45 5-3 10 17 17 㧽 5-1 17 * LC-40E67U only
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U [7] LCD MODULE Assembly 20 20 19 19 19 18 18 19 19 20 19 20 24 23 1 28 29 28 25 15 26 12 22 27 16 21 14 17 13 5 7 4 2 11 10 31 9 6 3 8 7 4 30 31 17
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LC-40E67U/LC-40E77U NO.
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LC-40E67U/LC-40E77U [9] PACKING PARTS (NOT REPLACEMENT ITEM) X6 X7 X8 X9 S5 X1 X2 X4 S4 X3 S3 S3 X5 S2 S3 S6 S3 S6 S1 Not Replacement item 19
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LC-40E67U/LC-40E77U NO. PARTS CODE PRICE NEW RANK MARK DESCRIPTION PART DELIVERY [9] PACKING PARTS (NOT REPLACEMENT ITEM) S1 S1 S2 S3 S4 S5 S6 SPAKCE901WJZZ SPAKCE876WJZZ SPAKPB219WJZZ SPAKXC526WJZZ SSAKAA032WJZZ SSAKA0101GJZZ TLABKA009WJZZ - N N N - Packing Case (LC-40E67U) Packing Case (LC-40E77U) Sack TV Packing Form Sack Sack Case No.
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LC-40E67U/LC-40E77U
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LC-40E67U/LC-40E77U COPYRIGHT © 2009 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. SHARP CORPORATION Mar. 2009 TQ2727-S SH.