Sharp LC-40LE820E Service Manual
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Sharp LC-40LE820E Service Manual

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See also: Service Manual , Operating Manual
TopPage
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.
SAFETY PRECAUTION
CAUTION ............................................... . ............i
End of life disposal ................................. . .......... iii
MAJOR SERVICE PARTS ..................... . ..........iv
CHAPTER 1. SPECIFICATIONS
[1]
SPECIFICATIONS ................................. . ....... 1-1
[1]
OPERATION MANUAL .......................... . ....... 2-1
[1]
DIMENSIONS (LC-40LE820E) .............. . ....... 3-1
[2]
DIMENSIONS (LC-46LE820E) .............. . ....... 3-2
[3]
DIMENSIONS (LC-52LE820E) .............. . ....... 3-3
[1]
(LC-40LE820E) ...................................... . ....... 4-1
[2]
(LC-46LE820E) ...................................... . ....... 4-6
[3]
(LC-52LE820E) ...................................... . ..... 4-11
[4]
Caution Cleaning Glass ......................... . ..... 4-16
[5]
PWB ....................................................... . ..... 4-18
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.

SERVICE MANUAL

LCD COLOUR TELEVISION
LC-40LE820E
LC-46LE820E
LC-52LE820E
MODELS
CONTENTS
CHAPTER 5. Enter the chapter title here.
[1]
LC-40LE820E ................................................5-1
[2]
LC-46LE820E ................................................5-2
[3]
LC-52LE820E ................................................5-3
[1]
ADJUSTMENT PROCEDURE ......................6-1
[1]
TROUBLESHOOTING TABLE ......................7-1
[2]
error .............................................................7-13
[1]
MAJOR IC INFORMATIONS .........................8-1
[1]
[2]
[3]
[4]
SYSTEM BLOCK DIAGRAM .........................9-4
LC-40/46/52LE820E (1st Edition)
No. S30F240LE820E
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

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  • Page 1: Table Of Contents

    CHAPTER 8. MAJOR IC INFORMATIONS MAJOR IC INFORMATIONS ......8-1 CHAPTER 3. DIMENSIONS CHAPTER 9. OVERALL WIRING/BLOCK DIAGRAM DIMENSIONS (LC-40LE820E) ...... 3-1 DIMENSIONS (LC-46LE820E) ...... 3-2 OVERALL WIRING (LC-40LE820E)....9-1 DIMENSIONS (LC-52LE820E) ...... 3-3 OVERALL WIRING (LC-46LE820E)....9-2 OVERALL WIRING (LC-52LE820E)....9-3...

  • Page 2: Important Service Safety Pre

    LC-40/46/52LE820E (1st Edition) LC-40LE820E 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.

  • Page 3: Precautions For Using Lead-Free Solder

    LC-40/46/52LE820E (1st Edition) 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: F a/a Indicates lead-free solder of tin, silver and copper.

  • Page 4: End Of Life Disposal

    LC-40/46/52LE820E (1st Edition) End of life disposal End of life disposal...

  • Page 5: Outline

    Therefore, please exchange of a TOUCH SENSOR Unit in the case of front cabinet exchange. OTHER UNIT Ref No. Parts Code Description R1LK400D3LWF0Y 40” LCD Panel Module Unit (LC-40LE820E) R1LK460D3LWA0Y 46” LCD Panel Module Unit (LC-46LE820E) R1LK520D3LWA0Y 52” LCD Panel Module Unit (LC-52LE820E) IC FOR EXCLUSIVE USE OF THE SERVICE Ref No.

  • Page 6: Specifications

    • As a part of our 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. There may be some deviations from these values in individual units.

  • Page 7: Chapter 2. Operation Manual

    LC-40/46/52LE820E (1st Edition) CHAPTER 2. LC-40LE820E OPERATION MANUAL Service Manual [1] OPERATION MANUAL TV (front view) VOL -/+ (Volume buttons) (Programme [channel] buttons) INPUT (Input source button) MANU (Menu button) POWER (Power button) OPC sensor Remote control sensor Illumination LED...

  • Page 8: Remote Control Unit

    LC-40/46/52LE820E (1st Edition) Remote control unit (Standby/On) Exit the “Menu” screen. (Display information) Press to access conventional Press to display the station analogue TV mode. information (channel number, signal, etc.) in the upper right corner of the screen. Press to access digital TV mode. P.
  • Page 9 LC-40/46/52LE820E (1st Edition) Attaching the stand unit • Before performing work, spread cushioning over the surface on which you will be laying the TV. This will prevent it from being damaged. CAUTION Attach the stand in the correct direction. • Be sure to follow the instructions.

  • Page 10: Chapter 3. Dimensions

    LC-40/46/52LE820E (1st Edition) CHAPTER 3. LC-40LE820E DIMENSIONS Service Manual [1] DIMENSIONS (LC-40LE820E) Unit: mm 993.0 993,0 890.6 890,6 450.0 450,0 39.0 124.6 300.0 124,6 39,0 300,0 275.0 275,0 3 – 1...

  • Page 11: Dimensions (Lc-46Le820E)

    LC-40/46/52LE820E (1st Edition) [2] DIMENSIONS (LC-46LE820E) Unit: mm 1127.0 1127,0 1023.4 1023,4 540.0 540,0 39.0 157.7 400.0 157,7 39,0 400,0 340.0 340,0 3 – 2...

  • Page 12: Dimensions (Lc-52Le820E)

    LC-40/46/52LE820E (1st Edition) [3] DIMENSIONS (LC-52LE820E) 1260.0 Unit: mm 1260,0 1157.0 1157,0 540.0 540,0 400.0 39.0 157.7 400,0 39,0 157,7 340.0 340,0 3 – 3...

  • Page 13: Chapter 4. Removing Of Major Parts Removing Of Major Parts (Lc-40Le820E)

    CHAPTER 4. LC-40LE820E REMOVING OF MAJOR PARTS Service Manual [1] REMOVING OF MAJOR PARTS (LC-40LE820E) 1. Removing of Stand Unit and Rear Cabinet Ass’y. 1. Remove the 1 lock screw and detach the Support Cover 2. Remove the 2 lock screws and detach the Stand Unit 3.
  • Page 14 LC-40/46/52LE820E (1st Edition) 2. Removing of Speaker-L/R. 1. Remove the 1 lock screw and detach the Stand Cover 2. Disconnect SP wire. 3. Detach the Speaker-L , Speaker-R MAIN Unit [SP] [SP] Speaker-R 3 Speaker-L 2 Stand Cover 4 – 2...

  • Page 15: Main Unit

    LC-40/46/52LE820E (1st Edition) 3. Removing of Connectors 1. Disconnect the following connectors from the MAIN Unit. (SB, LB, PD, LW, RA, RL) 2. Disconnect the following connectors from the POWER/ LED DRIVE Unit. (L1, L2, LB, PD, PL, AS) 3. Disconnect the following connectors from the LCD Control Unit. (LW, PL) POWER Unit MAIN Unit [LW]...
  • Page 16 LC-40/46/52LE820E (1st Edition) 4. Removing of MAIN Unit, POWER Unit, Woofer, Stand Angle, 40” LCD Panel Module Unit. 1. Remove the 7 lock screws and detach the MAIN Unit 2. Remove the 2 lock screws and detach the Terminal Angle (Bottom) 3.
  • Page 17 LC-40/46/52LE820E (1st Edition) 5. Removing of R/C, LED Unit, ICON Unit, LOGO Unit, Front Cabinet Ass’y, Glass Front Panel Ass’y, TOUCH SENSOR Unit. 1. Detach the R/C, LED Unit 2. Detach the ICON Unit 3. Detach the LOGO Unit 4. Remove the 18 Hooks and detach the Front Cabinet Ass’y 5.

  • Page 18: Removing Of Major Parts (Lc-46Le820E)

    LC-40/46/52LE820E (1st Edition) [2] REMOVING OF MAJOR PARTS (LC-46LE820E) 1. Removing of Stand Unit and Rear Cabinet Ass’y. 1. Remove the 1 lock screw and detach the Support Cover 2. Remove the 2 lock screws and detach the Stand Unit 3.
  • Page 19 LC-40/46/52LE820E (1st Edition) 2. Removing of Speaker-L/R. 1. Remove the 3 lock screws and detach the Stand Cover 2. Disconnect SP wire. 3. Detach the Speaker-L , Speaker-R MAIN Unit [SP] [SP] Speaker-R 3 Speaker-L 2 Stand Cover 4 – 7...
  • Page 20 LC-40/46/52LE820E (1st Edition) 3. Removing of Connectors 1. Disconnect the following connectors from the MAIN Unit. (SB, LB, PD, LW, RA, RL) 2. Disconnect the following connectors from the POWER Unit. (L1, L2, LB, PD, PL, AS) 3. Disconnect the following connectors from the LCD Control Unit. (LW, PL) POWER Unit MAIN Unit [LW]...
  • Page 21 LC-40/46/52LE820E (1st Edition) 4. Removing of MAIN Unit, POWER Unit, Woofer, Stand Angle, 46” LCD Panel Module Unit. 1. Remove the 7 lock screws and detach the MAIN Unit 2. Remove the 2 lock screws and detach the Terminal Angle (Bottom) 3.
  • Page 22 LC-40/46/52LE820E (1st Edition) 5. Removing of R/C, LED Unit, ICON Unit, LOGO Unit, Front Cabinet Ass’y, Glass Front Panel Ass’y, TOUCH SENSOR Unit. 1. Detach the R/C, LED Unit 2. Detach the ICON Unit 3. Detach the LOGO Unit 4. Remove the 20 Hooks and detach the Front Cabinet Ass’y 5.

  • Page 23: Removing Of Major Parts (Lc-52Le820E)

    LC-40/46/52LE820E (1st Edition) [3] REMOVING OF MAJOR PARTS (LC-52LE820E) 1. Removing of Stand Unit and Rear Cabinet Ass’y. 1. Remove the 1 lock screw and detach the Support Cover 2. Remove the 2 lock screws and detach the Stand Unit 3.
  • Page 24 LC-40/46/52LE820E (1st Edition) 2. Removing of Speaker-L/R. 1. Remove the 3 lock screws and detach the Stand cover 2. Disconnect SP wire. 3. Detach the Speaker-L , Speaker-R MAIN Unit [SP] [SP] Speaker-R 3 Speaker-L 2 Stand Cover 4 – 12...
  • Page 25 LC-40/46/52LE820E (1st Edition) 3. Removing of Connectors 1. Disconnect the following connectors from the MAIN Unit. (SB, LB, PD, LW, RA, RL) 2. Disconnect the following connectors from the POWER/ LED DRIVE Unit. (L1, L2, LB, PD, PL, AS) 3. Disconnect the following connectors from the LCD Control Unit. (LW, PL) POWER Unit MAIN Unit [LW]...
  • Page 26 LC-40/46/52LE820E (1st Edition) 4. Removing of MAIN Unit, POWER Unit, Woofer, Stand Angle, 52” LCD Panel Module Unit. 1. Remove the 7 lock screws and detach the MAIN Unit 2. Remove the 2 lock screws and detach the Terminal Angle (Bottom) 3.
  • Page 27 LC-40/46/52LE820E (1st Edition) 5. Removing of R/C, LED Unit, ICON Unit, LOGO Unit, Front Cabinet Ass’y, Glass Front Panel Ass’y, TOUCH SENSOR Unit. 1. Detach the R/C, LED Unit 2. Detach the ICON Unit 3. Detach the LOGO Unit 4. Remove the 28 Hooks and detach the Front Cabinet Ass’y 5.

  • Page 28: Caution Cleaning Glass

    LC-40/46/52LE820E (1st Edition) [4] Caution Cleaning Glass (5) Two people have handling equally by the work. (Maintain it so that glass is not warped.) 1. Glass handling CAUTION: (1) As for handling, wear clean gloves, protective footwear and mask. protective footwear Inner gloves Nitrile gloves (6) When it is put horizontally, it is put on the flat mat.
  • Page 29 LC-40/46/52LE820E (1st Edition) 2. Glass cleaning CAUTION: (1) Visual inspection is done on the black mat. black mat glass (2) Dust and trash are taken with an air blow. Air blow (3) Dirt is wiped out with cloth. Front side: Moufas Back side: Cotton (clean wiper SF-30C) Moufas Cotton...

  • Page 30: How To Replace The Touch Key Sensor Pwb

    LC-40/46/52LE820E (1st Edition) [5] How to replace the touch key sensor PWB 1. Replace the touch key sensor PWB in a clean room. Be sure to remove the dust from the unit before carrying it into the clean room. 2. Remove the touch key sensor PWB from the front glass. 3.
  • Page 31 LC-40/46/52LE820E (1st Edition) iii) Adhere the ITO section to the front glass. (Use the positioning jig.) Tape fixing the FPCB and ITO sections (Adhered by the supplier) iii-1. Peel the release paper of the double-sided tape on the ITO section. iii-2.
  • Page 32 LC-40/46/52LE820E (1st Edition) 5. Attach the touch unit bonding procedure. It includes peeling of the protective sheet. How to mount the touch sensor Adhere the FPCB to the glass. (Do not warp the FPCB if possible.) ii) Peel the protective sheet by means of the pull tap for peeling the protective sheet. iii) Adhere after positioned using the positioning jig.
  • Page 33 LC-40/46/52LE820E (1st Edition) vi) Adhere the transparent electrode completely. Pull tap for peeling the front protective sheet Peel the front protective sheet. If bubbles are found, press those portions with glass cleaning cloth, etc. to remove them as much as possible. •...
  • Page 34 LC-40/46/52LE820E (1st Edition) — M E M O — 4 – 22...

  • Page 35: Lc-40Le820E

    LC-40/46/52LE820E (1st Edition) LC-40LE820E CHAPTER 5. Enter the chapter title here. Service Manual [1] LC-40LE820E TOUCH SENSOR Unit 5 – 1...

  • Page 36: Lc-46Le820E

    LC-40/46/52LE820E (1st Edition) [2] LC-46LE820E TOUCH SENSOR Unit 5 – 2...

  • Page 37: Lc-52Le820E

    LC-40/46/52LE820E (1st Edition) [3] LC-52LE820E TOUCH SENSOR Unit 5 – 3...
  • Page 38 LC-40/46/52LE820E (1st Edition) — M E M O — 5 – 4...

  • Page 39: Chapter 6. Adjustment

    LC-40/46/52LE820E (1st Edition) CHAPTER 6. LC-40LE820E ADJUSTMENT Service Manual [1] ADJUSTMENT PROCEDURE 1. Adjustment method after PWB and/or IC replacement due to repair The unit is set to the optimum at the time of shipment from the factory. If any value should become improper or any adjustment is necessary due to the part replacement, make an adjustment according to the following pro- cedure.
  • Page 40 LC-40/46/52LE820E (1st Edition) 2. Notes of Touch sensor unit Touch sensor unit (RUNTKA690WJQZ) is fixed directly in the module glass. The unit cannot never be recycled when exfoliated from the module glass. Therefore, please exchange the touch sensor units when the module glass is changed. Please note the adhesion and mixing of dust for the module glass when the module glass and the touch sensor unit are exchanged.
  • Page 41 LC-40/46/52LE820E (1st Edition) 6. Description of display (1) Present page / number of total pages (4) Inducing display (3) Present colour system (2) Input that has been selected now (5) Inch setting and Model name display 1/21 INPUT1 AUTO EURO xxxxx MAIN Version 1.00 (E 2009/**/** )

  • Page 42: Adjustment Process Mode Menu

    LC-40/46/52LE820E (1st Edition) 7. Adjustment process mode menu The character string in brackets [ ] will appear as a page title in the adjustment process menu header. Page Line Item Description Remarks (adjustment detail, etc.) 1/21 MAIN Version 1xxx (xxxxx) Main software version BOOT Version xxxxxxx...
  • Page 43 LC-40/46/52LE820E (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) 6/21 COMP15K ALL ADJ Enter Component 15K picture level adjustment COMP15K MAIN Y GAIN Y GAIN adjustment value COMP15K MAIN CB GAIN Cb GAIN adjustment value COMP15K MAIN CR GAIN Cr GAIN adjustment value COMP15K Y OFFSET Y OFFSET adjustment value...
  • Page 44 LC-40/46/52LE820E (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) 15/21 POWER LED BRIGHTNESS MENU LED BRIGHTNESS INPUT LED BRIGHTNESS CH UP LED BRIGHTNESS CH DOWN LED BRIGHTNESS VOL UP LED BRIGHTNESS VOL DOWN LED BRIGHTNESS LOGO LED BRIGHTNESS ICON LED BRIGHTNESS ICON LED BRIGHTNESS (STANDBY) 16/21...

  • Page 45: Special Features

    LC-40/46/52LE820E (1st Edition) 8. Special features 1. NORMAL STANDBY CAUSE (Page 1/21) Display of a cause (code) of the last standby. The cause of the last standby is recorded in EEPROM whenever it is possible. Checking this code will be useful in finding a problem when you repair the troubled set. 2.
  • Page 46 LC-40/46/52LE820E (1st Edition) Then, you can check the operation to see if the lamp and lamp circuit are in trouble. If you fail boot-up, retry the procedure. 2) Resetting the lamp error count After the lamp and lamp circuit are improved from a trouble, reset the lamp error count. (Because the power cannot be turned on, if a lamp error is detected 5 consecutive times) a) Enter the adjustment process mode, referring to “3.
  • Page 47 LC-40/46/52LE820E (1st Edition) 2. Exiting the Public Mode Setting screen • There are two following ways to exit the Public Mode setting screen. 1) Turn off the power. 2) Select “Execution” in the PUBLIC_Mode to execute it. Activate the restart under the set content. Here, the START input SOURCE setting is excluded since this item is referred to only when the power is turned on.
  • Page 48 LC-40/46/52LE820E (1st Edition) 6. Setting items (* Item names and selective items are expressed in English.) 1) Power ON fixed [POWER ON FIXED] Option “VARIABLE”, “FIXED_ALL”, “FIXED_BODYKEY” or “RCRESPOND” (loop enabled) Default “VARIABLE” Function • VARIABLE : “POWER/RECEPTION” key on TV unit or remote control is enabled. •...
  • Page 49 LC-40/46/52LE820E (1st Edition) 4) Volume fixed [VOLUME FIXED] Option “VARIABLE”, “FIXED”, “ACCTRL” or “AC/RCCTRL” (loop enabled) Default “VARIABLE” Function • VARIABLE : The volume is not fixed. • FIXED : The volume is fixed to the value adjusted in the volume fixed level. •...
  • Page 50 LC-40/46/52LE820E (1st Edition) 8) Menu operation [MENU BUTTON] Option “RESPOND” or “NO RESPOND” (loop enabled) Default “RESPOND” Function The MENU key on the main unit and remote control is decided whether it is enabled or disabled. Exception • RESPOND : The menu key is enabled. •...
  • Page 51 LC-40/46/52LE820E (1st Edition) 11)Start mode [INPUT MODE START] Option “NORMAL” or “Input source 1 (input selection or channel)” . . . (loop enabled) Default “NORMAL” Function which kinds of input source or channel is decided when the power turning on. NORMAL : the content of the last memory is followed.

  • Page 52: Video Signal Adjustment Procedure

    LC-40/46/52LE820E (1st Edition) 15)232C power ON control [232C POWON] Option “ENABLE” or “DISABLE” (loop enabled) Default DISABLE Function The item decide whether Power ON by the 232C command is enabled/disabled in the standby state. The same function as 232C command “RSPW”. ENABLE : POWR0001 is always enabled.
  • Page 53 LC-40/46/52LE820E (1st Edition) 11.3. TUNER adjustment Adjustment point Adjustment conditions Adjustment procedure Setting [Signal] • Feed the PAL Split Field colour bar signal (E-12ch) to TUNER. PAL split field colour Bar • Make sure the PAL colour bar pattern has the sync level of 7:3 with the RF signal UV picture level.
  • Page 54 LC-40/46/52LE820E (1st Edition) 11.6. ADC adjustment (Component 33K) Adjustment point Adjustment conditions Adjustment procedure Setting [Signal] • Feed the COMPONENT 33K 100% full field colour bar signal (100% COMP33K, 50Hz colour saturation) to EXT3 COMPONENT IN. 100% Full field colour bar Signal [Terminal] EXT3 COMPONENT IN 100% white...

  • Page 55: White Balance Adjustment

    LC-40/46/52LE820E (1st Edition) 12. White Balance Adjustment For white balance adjustment, adjust the offset values on pages 11/21. [Condition of the unit for inspection] : Modulated light (+16), Colour temperature (High) AV MODE: DYNAMIC Active Backlight: OFF OPC: OFF Asing Time: Min,60 minute [Input signal condition] : HDMI 1080i 15IRE (LO), 78IRE (HI) [Adjustment reference device]...

  • Page 56: Initialization To Factory Settings

    LC-40/46/52LE820E (1st Edition) 14. Initialization to factory settings CAUTION: When the factory settings have been made, all user setting data, including the channel settings, are initialized. (The adjustments done in the adjustment process mode are not initialized.) Keep this in mind when initializing these settings. Adjustment point Adjustment conditions Adjustment procedure...
  • Page 57 LC-40/46/52LE820E (1st Edition) 6. The caution for update showes up. • The picture will temporary go dark until the software update display apeeares • Wait several minutes and don't unplug the AC cord Select OK when if there is no problem. 7.

  • Page 58: Chapter 7. Troubleshooting Table Troubleshooting Table

    LC-40/46/52LE820E (1st Edition) CHAPTER 7. LC-40LE820E TROUBLESHOOTING TABLE Service Manual [1] TROUBLESHOOTING TABLE No power (Central Icon LED failure to light up) or No startup (Central Icon LED is flashing) Is the AC cord connector tightly connected to the set? Reconnect the AC cord tightly and turn on the power again.
  • Page 59 LC-40/46/52LE820E (1st Edition) The sound is not emitted from the Speaker & Woofer though the picture has come out. No sound output in all modes? Is the signal output from pins (F30/AOLRCK), (F28/AOBCK) Check IC3302 and its peripheral circuits. (G28/AOSDATA0) of IC3302 (Digital AV decode & Main CPU)? Is the signal sent to pins (7), (8), (9) of IC2701 (DSP)? Check the line between IC3302 and IC2701.
  • Page 60 LC-40/46/52LE820E (1st Edition) No sound (during the reception of TV (ANALOG) broadcasting) Does not the sound go out though the picture has come out when UHF/VHF is received? Is a SIF signal output from pin (13) of TUNER (TU1101)? Check the tuner and its peripheral circuits. Replace as required.
  • Page 61 LC-40/46/52LE820E (1st Edition) No sound from external input devices (1) Does not the sound of the audio signal input to EXT1 go out? Is there a audio input signal to pins (19/AUDIO_IN_L) and (21/ Check the setting of an external input device that connects with AUDIO_IN_R) of EXT1 (SC505)? EXT1.
  • Page 62 LC-40/46/52LE820E (1st Edition) No sound from external input devices (4) Does not the sound of the audio signal input to HDMI1/2/3/4 go out? Please Refer to “[External input HDMI-1/2/3/4] No picture on the display (10)”. No sound from external output device (1) No audio signal output to EXT1 terminal.
  • Page 63 LC-40/46/52LE820E (1st Edition) No sound from external output device (3) No sound from DIGITAL AUDIO OUTPUT terminal. Is the audio signal output to pins (1) of sound output terminal Check D520 and peripheral circuits. (D520)? Is SPDIF_MUTE signal SPDIF_MUTE [H29/IC3302] or Check the peripheral circuits of IC3302 and SPDIF_MUTE.
  • Page 64 LC-40/46/52LE820E (1st Edition) No picture on the display (1) The picture doesn't appear in all modes. Is the LVDS signal output from IC3302 (DIGITAL_AV_DECODER_&_MAIN_CPU_&_VIDEO PROCESSER) respectively? LVDS0_D0N/P (D14/C14), LVDS0_D1N/P (D15/C15), LVDS0_D2N/P (D16/C16), LVDS0_CLKN/P_83MHz (D17/C17), LVDS0_D3N/P (D18/C18), LVDS0_D4N/P (D19/C19), LVDS1_D0N/P (B14/A14), LVDS1_D1N/P (B15/A15), LVDS1_D2N/P (B16/A16), LVDS1_CLKN/P_83MHz (B17/A17), LVDS1_D3N/P (B18/A18), LVDS1_D4N/P (B19/A19) Check IC3302 and its peripheral control circuits.
  • Page 65 LC-40/46/52LE820E (1st Edition) [External input EXT1] No picture on the display (4) Does not the picture of the CVBS signal input to EXT1 go out? Is CVBS signal sent to pin (14) of EXT1 (SC505)? Check the setting of an external input device that connects with EXT1.
  • Page 66 LC-40/46/52LE820E (1st Edition) [External input EXT2] No picture on the display (7) Does not the picture of the CVBS signal input to EXT2 go out? Is a CVBS signal input to pin (3) of EXT8 (J505)? Check the setting of an external input device that connects with EXT2.
  • Page 67 LC-40/46/52LE820E (1st Edition) [External input HDMI-1/2/3/4] No picture on the display (10) Does not the picture/sound of the HDMI signal input to HDMI-1/2/3/4 go out? Is the Hot plug detection function output from pin (19) of the Check the line between SC1503 and pin (45) of IC1504 (HDMI- HDMI-1 (SC1503) normal? SW).
  • Page 68 LC-40/46/52LE820E (1st Edition) <During external connection> No picture on the monitor No picture appears on EXT1connected monitor during the ATV/DTV reception. Is CVBS signal output into pin (2) of EXT1 (SC505)? Check the setting of an external input device that connects with EXT1.
  • Page 69 LC-40/46/52LE820E (1st Edition) No light (Back Light doesn't light) Is the AC cord connector tightly connected to the set? Reconnect the AC cord tightly and turn on the power again. Are the wire harnesses and other cables properly connected in Reconnect the wire harnesses and other cables properly in the the set? set.

  • Page 70: Led Flashing Specification At The Time Of The Error

    LC-40/46/52LE820E (1st Edition) [2] LED flashing specification at the time of the error Display method • Refer to Table 1. • LED that can be used is only one of the central icons. This expresses the error situation by combining blinking at low speed and blinking at high speed. •...
  • Page 71 LC-40/46/52LE820E (1st Edition) Table 1. Concrete flashing pattern Expression for a rough content Expression for Details Item low-speed high-speed low-speed high-speed Cause blinking blinking blinking blinking Lamp system failure Flashes once — Flashes once Flashes once Lamp error Power PWB failure Flashes twice —...
  • Page 72 LC-40/46/52LE820E (1st Edition) LED flashing timing chart at the time of the error 100ms 400ms 1.6sec 1) Low-speed blinking Error type Expression of Central Icon LED Note: Pins are monitor microprocessor pins (IC2002). Lamp failure H: ON Refer to “Lamp failure details”. low-speed blinking LOW/High blinking by pressing the [MENU] key on the remote Flashes once...
  • Page 73 LC-40/46/52LE820E (1st Edition) 4) Communication failure details (Low-speed blinking: Flashes 3 times + High-speed blinking) Error type Expression of Central Icon LED Note: Basically, debug print logs are analyzed or communication logs are analyzed by a bus monitor. Initial communication H: ON Initial communication from the main CPU is not received.

  • Page 74: Chapter 8. Major Ic Informations

    LC-40/46/52LE820E (1st Edition) CHAPTER 8. LC-40LE820E MAJOR IC INFORMATIONS Service Manual [1] MAJOR IC INFORMATIONS REF NO Name Part Code Description [MAIN UNIT] IC8401 RH-iXC147WJQZQ Flash This IC is 512MB NAND flash memory. This IC stores the software data that processes the system of TV such as the graphic processing, the LCD controls, and backlights etc.

  • Page 75: Chapter 9. Overall Wiring/Block Diagram

    LC-40/46/52LE820E (1st Edition) LC-40LE820E CHAPTER 9. OVERALL WIRING/BLOCK DIAGRAM Service Manual [1] OVERALL WIRING (LC-40LE820E) OVERALL WIRING DIAGRAM (LC-40LE820E) LED UNIT [L1] Woofer [L2] [SB] QCNW-K553WJQZ POWER Unit P2702 [LB] [LB] P9602 J3301 QCNW-K552WJQZ [PD] J9501 [PD] P9601 QCNW-K548WJQZ MAIN Unit...

  • Page 76: Overall Wiring (Lc-46Le820E)

    LC-40/46/52LE820E (1st Edition) [2] OVERALL WIRING (LC-46LE820E) OVERALL WIRING DIAGRAM (LC-46LE820E) LED UNIT QCNW-K570WJQZ Woofer [L1] [L2] POWER Unit [SB] P2702 [LB] [LB] P9602 J3301 QCNW-K552WJQZ [PD] J9501 P9601 QCNW-K548WJQZ [AS] [PD] MAIN Unit Audio out J504 AV-IN [SP] J505 P2701 20 19 QCNW-K559WJQZ...

  • Page 77: Overall Wiring (Lc-52Le820E)

    LC-40/46/52LE820E (1st Edition) [3] OVERALL WIRING (LC-52LE820E) OVERALL WIRING DIAGRAM (LC-52LE820E) LED UNIT Woofer QCNW-K574WJQZ [L1] [L2] POWER Unit [SB] P2702 [LB] [LB] P9602 J3301 QCNW-K552WJQZ [PD] J9501 P9601 QCNW-K548WJQZ [AS] [PD] MAIN Unit Audio out J504 [SP] AV-IN J505 P2701 20 19 QCNW-K563WJQZ...

  • Page 78: System Block Diagram

    LC-40/46/52LE820E (1st Edition) [4] SYSTEM BLOCK DIAGRAM SYSTEM BLOCK DIAGRAM CVBS MAIN CVBS/LR EXT2 CVBS_L/R CVBS [LW] CVBS/LR P2601 (41p) S-Video EXT1 (SCART1) IC504 TUNER CVBS OUT TUNER_OUT TUNER OUT LR_OUT TUNER OUT L/R MM1506XN Mute From CPU or FS/FB FAST_SW UCON SLOW SW...

  • Page 79: Parts Guide

    CONTENTS PRINTED WIRING BOARD PACKING PARTS ASSEMBLIES (NOT REPLACEMENT ITEM) (LC-40LE820E) LCD PANEL PACKING PARTS (NOT REPLACEMENT ITEM) CABINET PARTS (LC-40LE820E) (LC-46LE820E) CABINET PARTS (LC-46LE820E) PACKING PARTS (NOT REPLACEMENT ITEM) CABINET PARTS (LC-52LE820E) (LC-52LE820E) SUPPLIED ACCESSORIES [10] SERVICE JIGS (USE FOR SERVICING) Parts marked with "...
  • Page 80 LED PWB Unit, x4 (LC-40LE820E) RUNTK4462TPZZ LED PWB Unit, x4 (LC-46LE820E) RUNTK4461TPZZ LED PWB Unit, x4 (LC-52LE820E) RUNTK4460TPZZ [2] LCD PANEL 40" LCD Panel Module Unit (LC-40LE820E) R1LK400D3LWF0Y 46" LCD Panel Module Unit (LC-46LE820E) R1LK460D3LWA0Y 52" LCD Panel Module Unit (LC-52LE820E) R1LK520D3LWA0Y...
  • Page 81 LC-40/46/52LE820E (1st Edition) [3] CABINET PARTS (LC-40LE820E) ICON LOGO Unit R/C, Unit Unit MAIN POWER Unit Unit TOUCH SENSOR Unit 40" LCD Panel Module Unit X3-1 X3-2 2-11 2-10...
  • Page 82 LC-40/46/52LE820E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [3] CABINET PARTS (LC-40LE820E) Front Cabinet Ass'y CCABAC522WJ11 Front Cabinet Not available R/C Decoration Cover HDECQB420WJ1A Front Decoration HDECZA028WJSA Rear Cabinet Ass'y CCABBB698WJ11 Rear Cabinet Not available Terminal Label (Side)
  • Page 83 LC-40/46/52LE820E (1st Edition) [4] CABINET PARTS (LC-46LE820E) LOGO Unit ICON R/C, Unit Unit 3-10 POWER Unit d TOUCH SENSOR Unit MAIN Unit 46 46 46" LCD Panel Module Unit X3-1 X3-2 2-11 2-10...
  • Page 84 LC-40/46/52LE820E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [4] CABINET PARTS (LC-46LE820E) Front Cabinet Ass'y CCABAC523WJ11 Front Cabinet Not available R/C Decoration Cover HDECQB420WJ1A Front Decoration HDECZA029WJSA Rear Cabinet Ass'y (for U.K.) CCABBB699WJ11 Rear Cabinet Ass'y (except fot U.K.) CCABBB699WE11 Rear Cabinet Not available...
  • Page 85 LC-40/46/52LE820E (1st Edition) [5] CABINET PARTS (LC-52LE820E) LOGO ICON Unit Unit POWER R/C, Unit Unit 3-11 3-10 d TOUCH SENSOR Unit MAIN Unit 52" LCD Panel Module Unit X3-1 X3-2...
  • Page 86 LC-40/46/52LE820E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [5] CABINET PARTS (LC-52LE820E) Front Cabinet Ass'y CCABAC524WJ31 Front Cabinet Not available R/C Decoration Cover HDECQB420WJ3A Front Decoration HDECZA030WJSA Rear Cabinet Ass'y CCABBB700WE11 Rear Cabinet Not available Terminal Label (Side) HiNDPD710WJSA Terminal Label (Bottom) HiNDPD711WJSA...
  • Page 87 Stand Screw Ass'y X3-1 X3-2 X3-3 PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] SUPPLIED ACCESSORIES Stand Support Ass'y (LC-40LE820E) CANGKC707WJ01 Stand Support Ass'y (LC-46/52LE820E) CANGKC708WJ01 X1-1 Support Cover (LC-40LE820E) GCOVAD700WJKA X1-1 Support Cover (LC-46/52LE820E) GCOVAD701WJKA X1-2 Support Plate (LC-40LE820E)
  • Page 88 X2-7 Hinge (LC-46/52LE820E) MHNG-A238WJZZ X2-8 PSPAZC326WJZZ Leg Cushion (18x5), x4 X2-9 Leg Cushion (10x25x2), x4 PSPAZC333WJZZ X2-10 Tape A, x2 (LC-40LE820E) PSPAZC444WJZZ X2-10 Tape A, x2 (LC-46/52LE820E) PSPAZC447WJZZ X2-11 Tape B, x2 (LC-40LE820E) PSPAZC445WJZZ X2-11 Tape B, x2 (LC-46/52LE820E) PSPAZC448WJZZ...
  • Page 89 LC-40/46/52LE820E (1st Edition) [7] PACKING PARTS (NOT REPLACEMENT ITEM) (LC-40LE820E)
  • Page 90 LC-40/46/52LE820E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [7] PACKING PARTS (NOT REPLACEMENT ITEM) (LC-40LE820E) Packing Case SPAKCF491WJZZ Wrapping Paper SPAKPB475WJZZ Wrapping Paper SPAKPB526WJZZ Wrapping Paper SPAKPB528WJZZ Packing Add. (Top) SPAKXC920WJZZ Packing Add. (Bottom) SPAKXC925WJZZ Polyethylene Bag...
  • Page 91 LC-40/46/52LE820E (1st Edition) [8] PACKING PARTS (NOT REPLACEMENT ITEM) (LC-46LE820E)
  • Page 92 LC-40/46/52LE820E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [8] PACKING PARTS (NOT REPLACEMENT ITEM) (LC-46LE820E) Packing Case (Top) SPAKCF492WJZZ Packing Case (Bottom) SPAKCF496WJZZ Wrapping Paper SPAKPB477WJZZ Wrapping Paper SPAKPB527WJZZ Wrapping Paper SPAKPB529WJZZ Packing Add. (Top) SPAKXC921WJZZ Packing Add. (Bottom) SPAKXC926WJZZ Polyethylene Bag SSAKAA009WJZZ...
  • Page 93 LC-40/46/52LE820E (1st Edition) [9] PACKING PARTS (NOT REPLACEMENT ITEM) (LC-52LE820E)
  • Page 94 LC-40/46/52LE820E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [9] PACKING PARTS (NOT REPLACEMENT ITEM) (LC-52LE820E) Packing Case (Top) SPAKCF493WJZZ Packing Case (Bottom) SPAKCF497WJZZ Wrapping Paper SPAKPB478WJZZ Wrapping Paper SPAKPB527WJZZ Wrapping Paper SPAKPB529WJZZ Packing Add. (Top) SPAKXC922WJZZ Packing Add. (Bottom) SPAKXC927WJZZ Polyethylene Bag SSAKAA009WJZZ...
  • Page 95 LC-40/46/52LE820E (1st Edition)
  • Page 96 LC-40/46/52LE820E (1st Edition) COPYRIGHT © 2010 BY SHARP CORPORATION ALL RIGHTS RESERVED. No Part of this publication may be reproduced, stored in a retrieval system, or transmitted in any from or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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