Page 1: Table Of Contents
OVERALL WIRING DIAGRAM (LC-60LE740E/RU,741E/ DIMENSIONS (LC-60LE830E, RU/831E, S/833E).....3-3 S,743E) ..................8-1 DIMENSIONS (LC-80LE645E/RU,646E/S,648E).......3-4 OVERALL WIRING DIAGRAM (LC-70LE740E/RU,741E/ S,743E) ..................8-2 CHAPTER 4. REMOVING OF MAJOR PARTS OVERALL WIRING DIAGRAM (LC-60LE840E/RU,841E/ The location putting on the heat measure sheet......4-1 S,843E) ................
Page 2: Safety Precaution
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) LC60LE740E Service Manual 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 • 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-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) End of life disposal End of life disposal...
Page 5: Outline
OTHER Unit PARTS CODE DESCRIPTION R1LK600D3GV00T 60" LCD Panel Module (LK600D3GV00T) (LC-60LE740E/RU,741E/S,743E) R1LK695D3GW80F 70" LCD Panel Module (LK695D3GW80F) (LC-70LE740E/RU,741E/S,743E) CLCDTA257WE01 60" LCD Panel Module Unit (LC-60LE840E/RU,841E/S,843E) R1LK600D3HB80D 60" LCD Panel (LK600D3HB80D) (LC-60LE840E/RU,841E/S,843E) R1LK800D3GW10V 80" LCD Panel Module Unit (LK800D3GW10V) (LC-80LE645E/RU,646E/S,648E)
Page 6 Connecting Cord L=1000mm, Main to POWER Unit (PD) (LC-70LE740E/RU,741E/S,743E) QCNW-M034WJQZ Connecting Cord L=1000mm, Main to ICON Unit (CI) (LC-70LE740E/RU,741E/S,743E) QCNW-M030WJQZ Connecting Cord L=1060mm, Main to Speaker Unit L/R (SP) (LC-70LE740E/RU,741E/S,743E) QCNW-M031WJQZ Connecting Cord L=1000mm, Main to LCD Control Unit (PL) (LC-70LE740E/RU,741E/S,743E) QCNW-M168WJQZ...
Page 7: Chapter 1. Specifications
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) LC60LE740E Service Manual CHAPTER 1. SPECIFICATIONS [1] SPECIFICATIONS (LC-60/70LE740E/RU,741E/S,743E) 1 – 1...
Page 8 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 1 – 2...
Page 9: Specifications (Lc-60Le830E, Ru/831E, S/833E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [2] SPECIFICATIONS (LC-60LE830E, RU/831E, S/833E) 1 – 3...
Page 10 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 1 – 4...
Page 11: Specifications (Lc-80Le645E/Ru,646E/S,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [3] SPECIFICATIONS (LC-80LE645E/RU,646E/S,648E) 1 – 5...
Page 12 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 1 – 6...
Page 13: Chapter 2. Operation Manual
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) LC60LE740E Service Manual CHAPTER 2. OPERATION MANUAL [1] Parts Name (LC-60/70LE740E/RU,741E/S,743E) ,743 2 – 1...
Page 14 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) ,743 2 – 2...
Page 15 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 2 – 3...
Page 16 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) ,743 2 – 4...
Page 17: Operation Manual (Lc-60/70Le740E/Ru,741E/S,743E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [2] OPERATION MANUAL (LC-60/70LE740E/RU,741E/S,743E) 2 – 5...
Page 18: Parts Name (Lc-60Le830E, Ru/831E, S/833E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [3] Parts Name (LC-60LE830E, RU/831E, S/833E) ,843 2 – 6...
Page 19 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) ,843 2 – 7...
Page 20 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 2 – 8...
Page 21 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) ,843 2 – 9...
Page 22: Operation Manual (Lc-60Le830E, Ru/831E, S/833E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [4] OPERATION MANUAL (LC-60LE830E, RU/831E, S/833E) 2 – 10...
Page 23: Parts Name (Lc-80Le645E/Ru,646E/S,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [5] Parts Name (LC-80LE645E/RU,646E/S,648E) ,648 2 – 11...
Page 24 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) ,648 2 – 12...
Page 25 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 2 – 13...
Page 26 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) ,648 2 – 14...
Page 27: Operation Manual (Lc-80Le645E/Ru,646E/S,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [6] OPERATION MANUAL (LC-80LE645E/RU,646E/S,648E) 2 – 15...
Page 28: Chapter 3. Dimensions
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) LC60LE740E Service Manual CHAPTER 3. DIMENSIONS [1] DIMENSIONS (LC-60/70LE740E/RU,741E/S,743E) Unit: mm 3 – 1...
Page 29 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Unit: mm 3 – 2...
Page 30: Dimensions (Lc-60Le830E, Ru/831E, S/833E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [2] DIMENSIONS (LC-60LE830E, RU/831E, S/833E) Unit: mm 3 – 3...
Page 31: Dimensions (Lc-80Le645E/Ru,646E/S,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [3] DIMENSIONS (LC-80LE645E/RU,646E/S,648E) Unit: mm 3 – 4...
Page 32 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Unit: mm 3 – 5...
Page 33: Chapter 4. Removing Of Major Parts
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) LC60LE740E Service Manual CHAPTER 4. REMOVING OF MAJOR PARTS [1] The location putting on the heat measure sheet 1. MAIN PWB Unit • LC-60/70LE740E/RU,741E/S,743E,LC-60LE840E/RU,841E/S,843E PSPAZC805WJKZ • LC-80LE645E/RU,646E/S,648E (7) Stick*** PSPAZC871WJKZ COOLING SHEET for Main(25x25 t11) 4 – 1...
Page 34 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 2. LCD Control Unit • LC-60/70LE740E/RU,741E/S,743E,LC-60LE840E/RU,841E/S,843E PSPAZC805WJKZ 4 – 2...
Page 35: Precautions For Assembly
EMI-prevention parts, conductive nonwoven fabric gaskets, must be seen from the access holes.) [Countermeasure] Attach the conductive nonwoven fabric gaskets on the shielded case on the main PWB. • LC-60LE740E/RU,741E/S,743E,LC-60LE840E/RU,841E/S,843E PSPAZC691WJZZ PMLT-A676WJZZ PSPAZC690WJZZ PSPAZC691WJZZ • LC-70LE740E/RU,741E/S,743E PMLT-A691WJQZ PMLT-A690WJQZ PMLT-A691WJQZ 4 – 3...
Page 36 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) • LC-80LE645E/RU,646E/S,648E PMLT-A676WJZZ PMLT-A693WJZZ PMLT-A694WJZZ PMLT-A695WJZZ 4 – 4...
Page 37 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) State where the main PWB and shielded case are assembled Access hole Access hole The following is a drawing mounting the main PWB Ass’y on the backlight chassis. (The parts indicated by -> are the access holes for confirmation.) (Main PWB Ass’y =>...
Page 38 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) LC60LE740E Service Manual CHAPTER 5. ADJUSTMENT [1] ADJUSTMENT PROCEDURE (LC-60/70LE740E/RU,741E/S,743E) 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 39 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 2. Entering and exiting the adjustment process mode 1) Unplug the AC power cord of running TV set to force off the power. 2) While holding down the “VOL (-)” and “INPUT” keys on the set at once, plug in the AC power to turn on the power. The letter “K”...
Page 40 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 5. List of 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 [INFO] MAIN Version 1xxx(xxxxx) Main software version BOOT Version...
Page 41 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) 6/21 [COMP15KMAIN] 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 42 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) 15/21 3DHDMI FPGA Version xxxxx 2D→3D FPGA Version xxxxx 3D LED BRIGHTNESS xxxxx 3D IR EMITTER CONTROL xxxxx 16/21 [FR REGI] CROSSTALK ADJ MODE Enter CROSSTALK TH1 CROSSTALK TH2 CROSSTALK TH3 CROSSTALK TH4 CROSSTALK GAIN1...
Page 43 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 6. 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 44 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 7. Lamp Error detection 1. Function This LCD color TV set incorporates a Lamp error detection feature that automatically turns off the power for safety under abnormal lamp or lamp circuit conditions. If by any chance anything is wrong with the lamp or lamp circuit or if the lamp error detection feature is activated for some rea- son, the following will result.
Page 45 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 8. Public Mode 1. Starting the Public Mode 1) Method of needing password a) While holding down the “INPUT" and "Volume UP" keys on the set at once, plug in the AC power cord to turn on the power. b) Display the Pass Word input screen.
Page 46 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 4. Basic operation in the Public Mode Public Mode setting screen. Vol (+/-) or Cursor ( / ) Change or execution of the set value. CH (+/-) or Cursor ( / ) Movement to the selected item. Public Mode Decision (ok) Excution (Used by the items "Execution"...
Page 47 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Remarks In selecting “QUICK”, the function does not work for the following items. (selection impossible.) • ON TIMER, QUICK START, DIGITAL FIXED, etc. * These items does not exist according to the model. 3) Volume maximum level [MAXIMUM VOLUME] Option 0~60 (loop disabled) Default...
Page 48 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Exception • The start operation in the adjustment process mode, inspection mode are enabled regardless of this setting. • All the keys are enabled regardless of this setting while entering the adjustment process mode, inspection mode or Public Mode setting screen.
Page 49 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 50 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 16) Public mode setting [PUBLIC MODE] Option “OFF” or “ON” (loop enabled) Default Function The item decide whether Public mode setting menu are enabled or disabled. The same item as [PUBLIC MODE] in the adjustment process menu. : Public mode is not active.
Page 51 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 4. Restriction of Copy Mode • USB thumb drive should be more than 1Mbyte. • File system of USB thumb drive should be FAT (FAT32). • More than one USB thumb drive shouldn't be connected to TV. •...
Page 52 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 6. Operating 1) Copy mode (TV USB)) Copy mode Execute start in Copy Mode setting screen. [Start If USB device is detected by TV, focus is not appropriated to items. [Start Execcute Copy mode [Wait ] is displayed while executing it. [Wait...
Page 53: Adjustment Procedure
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 10. Video signal adjustment procedure The adjustment process mode menu is listed in Section 5. Signal generator level adjustment check. (Adjustment to the specified level) : 0.7Vp-p ± 0.02Vp-p (Pedestal to white level) • Composite signal PAL : 0.7Vp-p ±...
Page 54 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 10.5. ADC adjustment (Component 15K) Adjustment point Adjustment conditions Adjustment procedure Setting [Signal] • Feed the COMPONENT 15K 100% full field colour bar signal (100% colour COMP15K, 50Hz saturation) to EXT3 COMPONENT IN. 100% Full field colour bar Signal [Terminal] 100% white...
Page 55 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 11. White balance adjustment For white balance adjustment, adjust the offset values on pages 11/21. [Condition of the unit for inspection] : Modulated light (+16) 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 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 13. 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 item Adjustment conditions Adjustment procedure...
Page 57 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 5. After a while, if software update file is detected in the USB memory device, the following screen shows up. Select OK when if there is no problem. NOTE: If USB memory device isn’t correctly inserted in TV, caution shows up. Please insert USB memory device and retry software update.
Page 58 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 8. When all the procedures are complete, the following upgrade success screen shows up. The new software version can be confirmed on screen. After a while, Turn off power and boot-up automaticaly. NOTE: TV is restarted automaticaly, the AC code need not be pulled out. [Information Software update USB update]...
Page 59: Adjustment Procedure (Lc-60Le840E/Ru,841E/S,843E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [2] ADJUSTMENT PROCEDURE (LC-60LE840E/RU,841E/S,843E) 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 60 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 2. Entering and exiting the adjustment process mode 1) Unplug the AC power cord of running TV set to force off the power. 2) While holding down the “VOL (-)” and “INPUT” keys on the set at once, plug in the AC power cord to turn on the power. The letter "K"...
Page 61 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 4. 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 xxxxxx 1/21 INPUT1 AUTO EURO MAIN Version 1.00 (E 2011/**/** )
Page 62 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 5. List of 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 [INFO] MAIN Version 1xxx(xxxxx) Main software version BOOT Version...
Page 63 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) 6/21 [COMP15KMAIN] 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 64 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) 14/21 TCON Version EXT.1 xxxxx TCON Version EXT.2 TCON Version EXT.3 TCON Version EXT.4 15/21 3DHDMI FPGA Version xxxxx 2D→3D FPGA Version xxxxx 3D LED BRIGHTNESS xxxxx 3D IR EMITTER CONTROL xxxxx 16/21 [FR REGI]...
Page 65 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 6. 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 66 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 7. Lamp Error detection 1. Function This LCD color TV set incorporates a Lamp error detection feature that automatically turns off the power for safety under abnormal lamp or lamp circuit conditions. If by any chance anything is wrong with the lamp or lamp circuit or if the lamp error detection feature is activated for some rea- son, the following will result.
Page 67 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 8. Public Mode 1. Starting the Public Mode 1) Method of needing password a) While holding down the "INPUT" and "Volume UP" keys on the set at once, plug in the AC power cord to turn on the power. b) Display the Pass Word input screen.
Page 68 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 5. Operation after “RESET” Select “RESET” in the PUBLIC Mode, and it operates as follows when it is executed (refer to the basic operation). • The set contents in the PUBLIC mode are initialized. • It does not exit the PUBLIC mode. •...
Page 69 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 70 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 manu key is enabled. •...
Page 71 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 72 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 73 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 4. Restriction of Copy Mode • USB thumb drive should be more than 1Mbyte. • File system of USB thumb drive should be FAT (FAT32). • More than one USB thumb drive shouldn't be connected to TV. •...
Page 74 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 6. Operating 1) Copy mode (TV USB) Copy mode Execute start in Copy Mode setting screen. [Start If USB device is detected by TV, focus is not appropriated to items. [Start Execcute Copy mode [Wait ] is displayed while executing it. [Wait...
Page 75 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 10. Video signal adjustment procedure The adjustment process mode menu is listed in Section 5. Signal generator level adjustment check. (Adjustment to the specified level) : 0.7Vp-p ± 0.02Vp-p (Pedestal to white level) • Composite signal PAL : 0.7Vp-p ±...
Page 76 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 10.5. ADC adjustment (Component 15K) Adjustment point Adjustment conditions Adjustment procedure Setting [Signal] • Feed the COMPONENT 15K 100% full field colour bar signal (100% colour COMP15K, 50Hz saturation) to EXT3 COMPONENT IN. 100% Full field colour bar Signal [Terminal] 100% white...
Page 77 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 11. White balance adjustment For white balance adjustment, adjust the offset values on pages 11/21. [Condition of the unit for inspection] : Modulated light (+16) 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 78 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 13. 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 item Adjustment conditions Adjustment procedure...
Page 79 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 5. After a while, if software update file is detected in the USB memory device, the following screen shows up. Select OK when if there is no problem. NOTE: If USB memory device isn’t correctly inserted in TV, caution shows up. Please insert USB memory device and retry software update.
Page 80 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 8. When all the procedures are complete, the following upgrade success screen shows up. The new software version can be confirmed on screen. After a while, Turn off power and boot-up automaticaly. NOTE: TV is restarted automaticaly, the AC code need not be pulled out. [Information Software update USB update]...
Page 81: Adjustment Procedure (Lc-80Le645E/Ru,646E/S,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [3] ADJUSTMENT PROCEDURE (LC-80LE645E/RU,646E/S,648E) 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 82 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 2. Entering and exiting the adjustment process mode 1) Unplug the AC power cord of running TV set to force off the power. 2) While holding down the “VOL (-)” and “INPUT” keys on the set at once, plug in the AC power to turn on the power. The letter “K”...
Page 83 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 5. List of 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.) 1/20 [INFO] MAIN Version 1xxx(xxxxx) Main software version BOOT Version...
Page 84 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) 5/20 [CEC TEST] HDMI CEC TEST Enter HDMI CEC test HDMI EDID WRITE Enter HDMI EDID WRITING INSPECT USB TERM Enter Reading inspection of USB memory terminal MONIDATA READ[TEMP/OPC] MONITOR Temperature/ OPC Acquisition tool.
Page 85 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) 14/20 TCON Version EXT.1 xxxxx TCON Version EXT.2 TCON Version EXT.3 TCON Version EXT.4 15/20 [FR REGI] CROSSTALK ADJ MODE Enter CROSSTALK TH1 CROSSTALK TH2 CROSSTALK TH3 CROSSTALK TH4 CROSSTALK GAIN1 CROSSTALK GAIN2 CROSSTALK GAIN3...
Page 86 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 6. Special features 1. NORMAL STANDBY CAUSE (Page 1/20) 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 87 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 7. Lamp Error detection 1. Function This LCD color TV set incorporates a Lamp error detection feature that automatically turns off the power for safety under abnormal lamp or lamp circuit conditions. If by any chance anything is wrong with the lamp or lamp circuit or if the lamp error detection feature is activated for some rea- son, the following will result.
Page 88 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 8. Public Mode 1. Starting the Public Mode 1) Method of needing password a) While holding down the "INPUT" and "Volume UP" keys on the set at once, plug in the AC power cord to turn on the power. b) Display the Pass Word input screen.
Page 89 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 4. Basic operation in the Public Mode Public Mode setting screen. Vol (+/-) or Cursor ( / ) Change or execution of the set value. CH (+/-) or Cursor ( / ) Movement to the selected item. Public Mode Decision (ok) Excution (Used by the items "Execution"...
Page 90 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Remarks In selecting “QUICK”, the function does not work for the following items. (selection impossible.) • ON TIMER, QUICK START, DIGITAL FIXED, etc. * These items does not exist according to the model. 3) Volume maximum level [MAXIMUM VOLUME] Option 0~60 (loop disabled) Default...
Page 91 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Exception • The start operation in the adjustment process mode, inspection mode are enabled regardless of this setting. • All the keys are enabled regardless of this setting while entering the adjustment process mode, inspection mode or Public Mode setting screen.
Page 92 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 93 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 16) Public mode setting [PUBLIC MODE] Option “OFF” or “ON” (loop enabled) Default Function The item decide whether Public mode setting menu are enabled or disabled. The same item as [PUBLIC MODE] in the adjustment process menu. : Public mode is not active.
Page 94 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 4. Restriction of Copy Mode • USB thumb drive should be more than 1Mbyte. • File system of USB thumb drive should be FAT (FAT32). • More than one USB thumb drive shouldn't be connected to TV. •...
Page 95 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 6. Operating 1) Copy mode (TV USB)) Copy mode Execute start in Copy Mode setting screen. [Start If USB device is detected by TV, focus is not appropriated to items. [Start Execcute Copy mode [Wait ] is displayed while executing it. [Wait...
Page 96 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 10. Video signal adjustment procedure The adjustment process mode menu is listed in Section 5. Signal generator level adjustment check. (Adjustment to the specified level) : 0.7Vp-p ± 0.02Vp-p (Pedestal to white level) • Composite signal PAL : 0.7Vp-p ±...
Page 97 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 10.5. ADC adjustment (Component 15K) Adjustment point Adjustment conditions Adjustment procedure Setting [Signal] • Feed the COMPONENT 15K 100% full field colour bar signal (100% colour COMP15K, 50Hz saturation) to EXT3 COMPONENT IN. 100% Full field colour bar Signal [Terminal] 100% white...
Page 98 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 11. White balance adjustment For white balance adjustment, adjust the offset values on pages 11/20. [Condition of the unit for inspection] : Modulated light (+16) 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 99 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 13. 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 item Adjustment conditions Adjustment procedure...
Page 100 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 5. After a while, if software update file is detected in the USB memory device, the following screen shows up. Select OK when if there is no problem. NOTE: If USB memory device isn’t correctly inserted in TV, caution shows up. Please insert USB memory device and retry software update.
Page 101 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) 8. When all the procedures are complete, the following upgrade success screen shows up. The new software version can be confirmed on screen. After a while, Turn off power and boot-up automaticaly. NOTE: TV is restarted automaticaly, the AC code need not be pulled out. [Information Software update USB update]...
Page 102: Chapter 6. Troubleshooting Table Troubleshooting Table (Lc-60/70Le740E/ Ru,741E/S,743E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) LC60LE740E Service Manual CHAPTER 6. TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE (LC-60/70LE740E/RU,741E/S,743E) 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 103 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) The sound is not emitted from the Speaker. No sound output in all modes? Do audio signals output from pins [Y30/CPU_AOLRCK, Y31/ Check IC3303 and its peripheral circuits. CPU_AOBCK, V27/CPU_AOSDATA0] of IC3303 (Digital AV decode & Main CPU)? Do audio signals input to pins [7, 8, 9] of IC2701 (DSP)? Check the line between IC3303 and IC2701.
Page 104 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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? In the case of LE740,LE743 series, refer to (A). In the case of LE741 series, refer to (B). Does SIF signal output from pin (8) of TUNER Check the tuner and its peripheral circuits.
Page 105 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound (during the reception of TV (DIGITAL) broadcasting) Does not the sound go out though the picture has come out when DTV is received? In the case of LE740,LE743 series, refer to (A). In the case of LE741 series, refer to (B). Do IF signals output to pins [10, 11] of TUNER Check the tuner and its peripheral circuits.
Page 106 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound (during the reception of TV (DIGITAL-Satellite) broadcasting) (DIGITAL-Satellite is only function for LE740,LE743 series) Does not the sound go out though the picture has come out when DTV is received? Do TS signals output to pins [44/TS_TUOUT_CLK, 46/ Check the tuner and its peripheral circuits.
Page 107 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external input devices (2) Does not the sound of the audio signal input to EXT2 go out? • Do audio signals input to pins[2/CVBS1_IN_R, 3/ Check the setting of an external input device that connects with CVBS1_IN_L] of EXT2 (J511)? EXT2.
Page 108 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external input devices (5) 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 (11)”. No sound from external output device (1) No audio signal output to EXT1 terminal.
Page 109 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external output device (2) No sound from HEAD PHONE_OUTPUT/ AUDIO_OUTPUT terminal. Does not the sound of the audio signal output to Headphone Does not the sound of the audio signal output to Audio out mode go out? mode go out? Check whether it is selected “Headphone”...
Page 110 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external output device (3) No sound from DIGITAL AUDIO OUTPUT terminal. Does audio signal output from pin [1] of sound output terminal Check D527 and peripheral circuits. (D527)? Does audio signal output from pin [4] of IC503? Check the line between IC503 and D527.
Page 111 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No picture on the display (1) The picture doesn't appear in all modes. Is the LVDS signal output from IC3303 (DIGITAL_AV_DECODER_&_MAIN_CPU) respectively? [LVDS0_D0N/P (B15/A15), LVDS0_D1N/P (B16/A16), LVDS0_D2N/P (B17/A17), LVDS0_CLKN/P_74MHz (B18/A18), LVDS0_D3N/P (B19/A19), LVDS0_D4N/P (B20/A20), LVDS1_D0N/P (C15/D15), LVDS1_D1N/P (E15/E16), LVDS1_D2N/P (C17/D17), LVDS1_CLKN/P_74MHz (E17/E18), LVDS1_D3N/P (C19/D19), LVDS1_D4N/P (E19/E20)] Check IC3303 and its peripheral control circuits.
Page 112 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No picture on the display (3) Does not the picture come out when DTV is received? Refer to “No sound (during the reception of TV (DIGITAL) broadcasting)”. No picture on the display (4) Does not the picture come out when DTV (Satellite) is received? Refer to “No sound (during the reception of TV (DIGITAL-Satellite) broadcasting)”.
Page 113 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [External input EXT1] No picture on the display (7) Does not the picture of the R/G/B signal input to EXT1 go out? Do RGB signals input to pins [15/RGB_IN_RED/C, 11/ Check the setting of an external input device that connects with RGB_IN_GREEN and 7/RGB_IN_BLUE] of EXT1 (SC505)? EXT1.
Page 114 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [External input EXT3] No picture on the display (9) Does not the picture of the COMPONENT signal input to EXT3 go out? Do COMPONENT signals input to pins [13/COMP1_Y, 10/ Check the setting of an external input device that connects with COMP1_Pr, 11/COMP1_Pb] of EXT3 (J511)? EXT3.
Page 115 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [External input HDMI-1/2/3/4] No picture on the display (11) 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 [59] of IC1504 (HDMI- HDMI-1 (SC1503) normal? SW).
Page 116 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) <During external connection> No picture on the monitor No picture appears on EXT1 connected monitor during the ATV reception. Does CVBS signal output from pin [19] of EXT1 (SC505)? Check the setting of an external input device that connects with EXT1.
Page 117 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) <During external connection> No picture on the monitor No picture appears on EXT1 connected monitor during the DTV reception. Does CVBS signal output from pin [19] of EXT1 (SC505)? Check the setting of an external input device that connects with EXT1.
Page 118 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 119: Led Flashing Specification At The Time Of The Error (Lc-60/70Le740E/Ru,741E/S,743E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [2] LED flashing specification at the time of the error (LC-60/70LE740E/RU,741E/S,743E) Display method • Refer to Table 1. • LED that can be used are only one of the central icon (Emblem Unit). This expresses the error situation by combining blinking at low speed and blinking at high speed. •...
Page 120 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Table 1. Concrete flashing pattern Expression for a rough content Expression for Details Item Cause low-speed high-speed low-speed high-speed blinking blinking blinking blinking Lamp system failure Flashes once — Flashes once Flashes once Lamp error Power PWB failure Flashes twice —...
Page 121 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 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 control.
Page 122 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 123: Troubleshooting Table (Lc-60Le840E/Ru,841E/S,843E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [3] TROUBLESHOOTING TABLE (LC-60LE840E/RU,841E/S,843E) 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. Are the wire harnesses and other cables properly connected to Reconnect the wire harnesses and other cables properly to the the set?
Page 124 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) The sound is not emitted from the Speaker & Woofer though the picture has come out. No sound output in all modes? Do audio signals output from pins [Y30/CPU_AOLRCK, Y31/ Check IC3303 and its peripheral circuits. CPU_AOBCK, V27/CPU_AOSDATA0] of IC3303 (Digital AV decode &...
Page 125 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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? In the case of LE840,LE843 series, refer to (A). In the case of LE841 series, refer to (B). Does SIF signal output from pin (8) of TUNER Check the tuner and its peripheral circuits.
Page 126 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound (during the reception of TV (DIGITAL) broadcasting) Does not the sound go out though the picture has come out when DTV is received? In the case of LE840,LE843 series, refer to (A). In the case of LE841 series, refer to (B). Do IF signals output to pins [10, 11] of TUNER Check the tuner and its peripheral circuits.
Page 127 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound (during the reception of TV (DIGITAL-Satellite) broadcasting) (DIGITAL-Satellite is only function for LE840,LE843 series) Does not the sound go out though the picture has come out when DTV is received? Do TS signals output to pins [44/TS_TUOUT_CLK, 46/ Check the tuner and its peripheral circuits.
Page 128 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external input devices (2) Does not the sound of the audio signal input to EXT2 go out? • Do audio signals input to pins[2/CVBS1_IN_R, 3/ Check the setting of an external input device that connects with CVBS1_IN_L] of EXT2 (J511)? EXT2.
Page 129 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external input devices (5) 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 (11)”. No sound from external output device (1) No audio signal output to EXT1 terminal.
Page 130 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external output device (2) No sound from HEAD PHONE_OUTPUT/ AUDIO_OUTPUT terminal. Does not the sound of the audio signal output to Headphone Does not the sound of the audio signal output to Audio out mode go out? mode go out? Check whether it is selected “Headphone”...
Page 131 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external output device (3) No sound from DIGITAL AUDIO OUTPUT terminal. Does audio signal output from pin [1] of sound output terminal Check D527 and peripheral circuits. (D527)? Does audio signal output from pin [4] of IC503? Check the line between IC503 and D527.
Page 132 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No picture on the display (1) The picture doesn't appear in all modes. Is the LVDS signal output from IC3303 (DIGITAL_AV_DECODER_&_MAIN_CPU) respectively? [LVDS0_D0N/P (B15/A15), LVDS0_D1N/P (B16/A16), LVDS0_D2N/P (B17/A17), LVDS0_CLKN/P_74MHz (B18/A18), LVDS0_D3N/P (B19/A19), LVDS0_D4N/P (B20/A20), LVDS1_D0N/P (C15/D15), LVDS1_D1N/P (E15/E16), LVDS1_D2N/P (C17/D17), LVDS1_CLKN/P_74MHz (E17/E18), LVDS1_D3N/P (C19/D19), LVDS1_D4N/P (E19/E20)] Check IC3303 and its peripheral control circuits.
Page 133 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No picture on the display (3) Does not the picture come out when DTV is received? Refer to “No sound (during the reception of TV (DIGITAL) broadcasting)”. No picture on the display (4) Does not the picture come out when DTV (Satellite) is received? Refer to “No sound (during the reception of TV (DIGITAL-Satellite) broadcasting)”.
Page 134 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [External input EXT1] No picture on the display (7) Does not the picture of the R/G/B signal input to EXT1 go out? Do RGB signals input to pins [15/RGB_IN_RED/C, 11/ Check the setting of an external input device that connects with RGB_IN_GREEN and 7/RGB_IN_BLUE] of EXT1 (SC505)? EXT1.
Page 135 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [External input EXT3] No picture on the display (9) Does not the picture of the COMPONENT signal input to EXT3 go out? Do COMPONENT signals input to pins [13/COMP1_Y, 10/ Check the setting of an external input device that connects with COMP1_Pr, 11/COMP1_Pb] of EXT3 (J511)? EXT3.
Page 136 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [External input HDMI-1/2/3/4] No picture on the display (11) 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 [59] of IC1504 (HDMI- HDMI-1 (SC1503) normal? SW).
Page 137 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) <During external connection> No picture on the monitor No picture appears on EXT1 connected monitor during the ATV reception. Does CVBS signal output from pin [19] of EXT1 (SC505)? Check the setting of an external input device that connects with EXT1.
Page 138 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) <During external connection> No picture on the monitor No picture appears on EXT1 connected monitor during the DTV reception. Does CVBS signal output from pin [19] of EXT1 (SC505)? Check the setting of an external input device that connects with EXT1.
Page 139 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 140: Led Flashing Specification At The Time Of The Error (Lc-60Le840E/Ru,841E/S,843E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [4] LED flashing specification at the time of the error (LC-60LE840E/RU,841E/S,843E) Display method • Refer to Table 1. • LED that can be used are only one of the central icon (Emblem Unit). This expresses the error situation by combining blinking at low speed and blinking at high speed. •...
Page 141 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Table 1. Concrete flashing pattern Expression for a rough content Expression for Details Item Cause low-speed high-speed low-speed high-speed blinking blinking blinking blinking Lamp system failure Flashes once — Flashes once Flashes once Lamp error Power PWB failure Flashes twice —...
Page 142 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 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 control.
Page 143 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 144: Troubleshooting Table (Lc-80Le645E/Ru,646E/S,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [5] TROUBLESHOOTING TABLE (LC-80LE645E/RU,646E/S,648E) 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. Are the wire harnesses and other cables properly connected to Reconnect the wire harnesses and other cables properly to the the set?
Page 145 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) The sound is not emitted from the Speaker. No sound output in all modes? Do audio signals output from pins [Y30/CPU_AOLRCK, Y31/ Check IC3303 and its peripheral circuits. CPU_AOBCK, Y32/CPU_AOMCLK, V27/CPU_AOSDATA0] of IC3303 (Digital AV decode & Main CPU) ? Do audio signals input to pins[5/AMP_MCLK ,6/ Check the line between IC3303 and IC2703.
Page 146 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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? In the case of LE645,LE648 series, refer to (A). In the case of LE646 series, refer to (B). Does SIF signal output from pin (8) of TUNER Check the tuner and its peripheral circuits.
Page 147 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound (during the reception of TV (DIGITAL) broadcasting) Does not the sound go out though the picture has come out when DTV is received? In the case of LE645,LE648 series, refer to (A). In the case of LE646 series, refer to (B). Do IF signals output to pins [10, 11] of TUNER Check the tuner and its peripheral circuits.
Page 148 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound (during the reception of TV (DIGITAL-Satellite) broadcasting) (DIGITAL-Satellite is only function for LE645,LE648 series) Does not the sound go out though the picture has come out when DTV is received? Do TS signals output to pins [44/TS_TUOUT_CLK, 46/ Check the tuner and its peripheral circuits.
Page 149 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external input devices (2) Does not the sound of the audio signal input to EXT2 go out? • Do audio signals input to pins[2/CVBS1_IN_R, 3/ Check the setting of an external input device that connects with CVBS1_IN_L] of EXT2 (J511)? EXT2.
Page 150 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external input devices (5) 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 (11)”. No sound from external output device (1) No audio signal output to EXT1 terminal.
Page 151 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external output device (2) No sound from HEAD PHONE_OUTPUT/ AUDIO_OUTPUT terminal. Does not the sound of the audio signal output to Headphone Does not the sound of the audio signal output to Audio out mode go out? mode go out? Check whether it is selected “Headphone”...
Page 152 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No sound from external output device (3) No sound from DIGITAL AUDIO OUTPUT terminal. Does audio signal output from pin [1] of sound output terminal Check D527 and peripheral circuits. (D527)? Does audio signal output from pin [4] of IC503? Check the line between IC503 and D527.
Page 153 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No picture on the display (1) The picture doesn't appear in all modes. Is the signal output from IC3303 (DIGITAL_AV_DECODER_&_MAIN_CPU) respectively? [VBO_HTPDN(C21), VBO_LOCKN(D21), VBO_TXA+-(A22/B22), VBO_TXB+-(A23/B23), VBO_TXC+-(A24/B24), VBO_TXD+-(A25/B25) Check IC3303 and its peripheral control circuits. (IC2001, IC3501, IC3502, IC3503, X3301, etc.) Do above-mentioned signals output from connector (P2604)? Check the line between IC3303 and P2604.
Page 154 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) No picture on the display (3) Does not the picture come out when DTV is received? Refer to “No sound (during the reception of TV (DIGITAL) broadcasting)”. No picture on the display (4) Does not the picture come out when DTV (Satellite) is received? Refer to “No sound (during the reception of TV (DIGITAL-Satellite) broadcasting)”.
Page 155 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [External input EXT1] No picture on the display (7) Does not the picture of the R/G/B signal input to EXT1 go out? Do RGB signals input to pins [15/RGB_IN_RED/C, 11/ Check the setting of an external input device that connects with RGB_IN_GREEN and 7/RGB_IN_BLUE] of EXT1 (SC505)? EXT1.
Page 156 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [External input EXT3] No picture on the display (9) Does not the picture of the COMPONENT signal input to EXT3 go out? Do COMPONENT signals input to pins [13/COMP1_Y, 10/ Check the setting of an external input device that connects with COMP1_Pr, 11/COMP1_Pb] of EXT3 (J511)? EXT3.
Page 157 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [External input HDMI-1/2/3/4] No picture on the display (11) 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 [59] of IC1504 (HDMI- HDMI-1 (SC1503) normal? SW).
Page 158 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) <During external connection> No picture on the monitor No picture appears on EXT1 connected monitor during the ATV reception. Does CVBS signal output from pin [19] of EXT1 (SC505)? Check the setting of an external input device that connects with EXT1.
Page 159 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) <During external connection> No picture on the monitor No picture appears on EXT1 connected monitor during the DTV reception. Does CVBS signal output from pin [19] of EXT1 (SC505)? Check the setting of an external input device that connects with EXT1.
Page 160 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 161: Led Flashing Specification At The Time Of The Error (Lc-80Le645E/Ru,646E/S,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [6] LED flashing specification at the time of the error (LC-80LE645E/RU,646E/S,648E) Display method • Refer to Table 1. • LED that can be used are only one of the central icon (Emblem Unit). This expresses the error situation by combining blinking at low speed and blinking at high speed. •...
Page 162 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Table 1. Concrete flashing pattern Expression for a rough content Expression for Details Item Cause low-speed high-speed low-speed high-speed blinking blinking blinking blinking Lamp system failure Flashes once — Flashes once Flashes once Lamp error Power PWB failure Flashes twice —...
Page 163 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 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 control.
Page 164 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (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 165: Chapter 7. Major Ic Informations
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) LC60LE740E Service Manual CHAPTER 7. MAJOR IC INFORMATIONS [1] MAJOR IC INFORMATIONS (LC-60/70LE740E/RU,741E/S,743E) REF NO Name Part Code Description [MAIN UNIT] IC8401 RH-iXD287WJQZQ Flash This IC is 2048Mbit 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 166: Major Ic Informations (Lc-60Le840E/Ru,841E/S,843E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [2] MAJOR IC INFORMATIONS (LC-60LE840E/RU,841E/S,843E) REF NO Name Part Code Description [MAIN UNIT] IC8401 RH-iXD287WJQZQ Flash This IC is 2048Mbit 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 167: Major Ic Informations (Lc-80Le645E/Ru,646E/S,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [3] MAJOR IC INFORMATIONS (LC-80LE645E/RU,646E/S,648E) REF NO Name Part Code Description [MAIN UNIT] IC8401 RH-iXD287WJQZQ Flash This IC is 2048Mbit 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 168 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) — M E M O — 7 – 4...
Page 169: Chapter 8. Overall Wiring/System Block Diagram Overall Wiring Diagram (Lc-60Le740E/Ru,741E/ S,743E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) Service Manual LC60LE740E CHAPTER 8. OVERALL WIRING/SYSTEM BLOCK DIAGRAM [1] OVERALL WIRING DIAGRAM (LC-60LE740E/RU,741E/S,743E) 8 – 1...
Page 170: Overall Wiring Diagram (Lc-70Le740E/Ru,741E/S,743E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [2] OVERALL WIRING DIAGRAM (LC-70LE740E/RU,741E/S,743E) 8 – 2...
Page 171: Overall Wiring Diagram (Lc-60Le840E/Ru,841E/S,843E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [3] OVERALL WIRING DIAGRAM (LC-60LE840E/RU,841E/S,843E) 8 – 3...
Page 172: Overall Wiring Diagram (Lc-80Le645E/Ru,646E/S,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [4] OVERALL WIRING DIAGRAM (LC-80LE645E/RU,646E/S,648E) 8 – 4...
Page 173: System Block Diagram (Lc-60/70Le740E/Ru,743E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [5] SYSTEM BLOCK DIAGRAM (LC-60/70LE740E/RU,743E) 8 – 5...
Page 174: System Block Diagram (Lc-60/70Le741E/S)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [6] SYSTEM BLOCK DIAGRAM (LC-60/70LE741E/S) 8 – 6...
Page 175: System Block Diagram (Lc-60Le840E/Ru,843E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [7] SYSTEM BLOCK DIAGRAM (LC-60LE840E/RU,843E) 8 – 7...
Page 176: System Block Diagram (Lc-60Le841E/S)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [8] SYSTEM BLOCK DIAGRAM (LC-60LE841E/S) 8 – 8...
Page 177: System Block Diagram (Lc-80Le645E/Ru,648E)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [9] SYSTEM BLOCK DIAGRAM (LC-80LE645E/RU,648E) 8 – 9...
Page 178: System Block Diagram (Lc-80Le646E/S)
LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [10] SYSTEM BLOCK DIAGRAM (LC-80LE646E/S) 8 – 10...
Page 179: Parts Guide
(LC-60/70LE740E/RU,741E/S,743E) [11] SUPPLIED ACCESSORIES/PACKING PRINTED WIRING BOARD ASSEMBLIES PARTS (LC-60LE740E,RU/741E,S,743E) (LC-60LE840E/RU,841E/S,843E) [12] SUPPLIED ACCESSORIES/PACKING PRINTED WIRING BOARD ASSEMBLIES PARTS (LC-70LE740E,RU/741E,S,743E) (LC-80LE645E/RU,646E/S,648E) [13] SUPPLIED ACCESSORIES/PACKING LCD PANEL MODULE UNIT (LC-60/ PARTS (LC-60LE840E/RU,841E/S,843E) 70LE740E/RU,741E/S,743E) [14] SUPPLIED ACCESSORIES/PACKING LCD PANEL MODULE UNIT (LC-...
Page 180 DUNTKF494FM02 R/C OPC Unit DUNTKF770FM51 ICON Unit DUNTKF800FM52 KEY Unit DUNTKG031FM51 LCD control Unit (LC-60LE740E/RU,741E/S,743E) DUNTKG031FM52 LCD control Unit (LC-70LE740E/RU,741E/S,743E) RUNTKA819WJQZ 3D-IR Transmitter Unit RUNTKA932WJQZ POWER Unit (LC-60LE740E,RU/741E,S/743E) RUNTKA933WJQZ POWER Unit (LC-70LE740E,RU/741E,S/743E) [2] PRINTED WIRING BOARD ASSEMBLIES (LC-60LE840E/RU,841E/S,843E) DKEYDF733FM69 MAIN Unit (LC-60LE840E/RU)
Page 181 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [7] CABINET AND MECHANICAL PARTS (LC-60LE740E,RU/741E,S,743E) 60"LCD Panel Module Unit R/C OPC Unit ICON Unit 3D IR Transmitter Unit KEY Unit MAIN Unit POWER/DRIVE Unit LCD CONTROL Unit...
Page 182 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [7] CABINET AND MECHANICAL PARTS (LC-60LE740E,RU/741E,S,743E) CCABAC821WJ12 Front Cabinet Ass'y GCABAC821WJ1A Front Cabinet GCOVAD966WJ1A R/C OPC Cover HDECQB671WJ2B Front Decoration PSHEPB131WJKZ ICON Decoration PSHEZA312WJZZ Protect (TOP) PSHEZA313WJZZ Protect (SIDE), x2 PSHEZA321WJZZ Protect (BOTTOM) PSHEZA342WJZZ...
Page 183 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [8] CABINET AND MECHANICAL PARTS (LC-70LE740E,RU/741E,S,743E) 70"LCD Panel Module Unit R/C OPC Unit ICON Unit 3D IR Transmitter Unit KEY Unit MAIN Unit POWER/LED Drive Unit LCD CONTROL Unit...
Page 184 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [8] CABINET AND MECHANICAL PARTS (LC-70LE740E,RU/741E,S,743E) CCABAC869WJ12 Front Cabinet Ass'y GCABAC869WJ1A Front Cabinet GCOVAD966WJ1A R/C OPC Cover HDECQB633WJ3B Front Decoration LHLDWA124WJKZ WireHolder, x2 LHLDWA175WJUZ WireHolder, x3 PSHEPB131WJKZ ICON Decoration...
Page 185 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [9] CABINET AND MECHANICAL PARTS (LC-60LE840E/RU,841E/S,843E) 3D-IR Unit R/C OPC Unit 60" LCD ICON Panel Module Unit Unit MAIN Unit CONTROL Unit Unit POWER Unit...
Page 186 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [9] CABINET AND MECHANICAL PARTS (LC-60LE840E/RU,841E/S,843E) CANGKD512WJ31 Center Angle Ass'y, x2 LANGKD512WJ3W Center Angle LHLDWA175WJUZ WireHolder NSFTZA546WJFN Vesa Boss, x2 CCOVAE387WJ31 Decoration Ass'y GCOVAE387WJ3A Decoration Cover GCOVAE310WJ3A 3D-IR Cover GCOVAE311WJ3A Center ICON Cover HDECQB692WJ3A...
Page 187 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [10] CABINET AND MECHANICAL PARTS (LC-80LE645E/RU,646E/S,648E) Unit R/C OPC Unit ICON Unit 22 21 MAIN Unit 80" LCD Panel Module Unit POWER Unit...
Page 188 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [10] CABINET AND MECHANICAL PARTS (LC-80LE645E/RU,646E/S,648E) CCABAC818WJ33 Front Cabinet Ass'y GCABAC818WJ3A Front Cabinet GCOVAD966WJ3A R/C OPC Cover HDECQB669WJ3A Front Decoration LHLDWA289WJKZ WireHolder PSHEPB168WJKZ Diffusion Sheet PSHEZA350WJZZ Protect Sheet PSHEZA352WJZZ Tape, x4 PSPAHC173WJZZ Himeron, x2...
Page 189 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [11] SUPPLIED ACCESSORIES/PACKING PARTS (LC-60LE740E,RU/741E,S,743E) USB Donlge USB Memory Weee Sheet Gost Sheet Stand Base Ass'y Stand Support Ass'y X14 X15 X16 Wi-Fi Sheet Guarantee Sheet Remote control unit “AAA” size battery Operation manual Stand Screw Ass'y Safety Sheet...
Page 190 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [11] SUPPLIED ACCESSORIES/PACKING PARTS (LC-60LE740E,RU/741E,S,743E) CDAi-A778WJ22 Stand Base Ass'y CANGKD276WJ05 Support Ass'y CSAKKA011WJ03 Stand Screw Ass'y Ki-OUA003WJQZ USB Dongle RRMCGB012WJSA Remote Control (except LC-60LE743E) RRMCGB013WJSA Remote Control (for LC-60LE743E) TCAUZA446WJZZ Weee Sheet (except LC-60LE740RU) TCAUZA458WJN1...
Page 191 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [12] SUPPLIED ACCESSORIES/PACKING PARTS (LC-70LE740E,RU/741E,S,743E) USB Donlge USB Memory Weee Sheet Gost Sheet Stand Base Ass'y Stand Support Ass'y X14 X15 X16 Wi-Fi Sheet Guarantee Sheet Remote control unit “AAA” size battery Operation manual Stand Screw Ass'y...
Page 192 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [12] SUPPLIED ACCESSORIES/PACKING PARTS (LC-70LE740E,RU/741E,S,743E) CDAi-A778WJ22 Stand Base Ass'y CANGKD276WJ05 Stand Support Ass'y, x2 CSAKKA011WJ03 Stand Screw Ass'y Ki-OUA003WJQZ USB Dongle RRMCGB012WJSA Remote Control (except LC-70LE743E) RRMCGB013WJSA Remote Control (for LC-70LE743E)
Page 193 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [13] SUPPLIED ACCESSORIES/PACKING PARTS (LC-60LE840E/RU,841E/S,843E) Safety Sheet USB Donlge USB Memory Weee Sheet Stand Base Ass'y Stand Support Ass'y Wi-Fi Sheet Gost Sheet Remote control unit “AAA” size battery Operation manual X15 X16 X17 Stand Screw Ass'y Skype Sheet Guarantee Sheet...
Page 194 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [13] SUPPLIED ACCESSORIES/PACKING PARTS (LC-60LE840E/RU,841E/S,843E) CDAi-A776WJ05 Stand Base Ass'y CANGKD137WJ01 Stand Support Ass'y CSAKKA010WJ07 Stand Screw Ass'y Ki-OUA003WJQZ USB Dongle RRMCGB012WJSA Remote Control (except LC-60LE843E) RRMCGB013WJSA Remote Control (for LC-60LE843E) TCAUZA446WJZZ Weee Sheet (except LC-60LE840RU) TCAUZA458WJN1...
Page 195 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,648E (1st Edition) [14] SUPPLIED ACCESSORIES/PACKING PARTS (LC-80LE645E/RU,646E/S,648E) USB Donlge USB Memory Weee Sheet Gost Sheet Stand Base Ass'y Stand Support Ass'y X14 X15 Wi-Fi Sheet Guarantee Sheet Remote control unit “AAA” size battery Operation manual Stand Screw Ass'y Safety Sheet AC Cord...
Page 196 Connecting Cord L=1000mm, Main to POWER Unit (PD) (LC-70LE740E/RU,741E/ QCNW-M029WJQZ S,743E) QCNW-M034WJQZ Connecting Cord L=1000mm, Main to ICON Unit (CI) (LC-70LE740E/RU,741E/S,743E) Connecting Cord L=1060mm, Main to Speaker Unit L/R (SP) (LC-70LE740E/RU,741E/ QCNW-M030WJQZ S,743E) Connecting Cord L=1000mm, Main to LCD Control Unit (PL) (LC-70LE740E/RU,741E/ QCNW-M031WJQZ...
Page 197 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,848E (1st Edition)
Page 198 LC-60/70LE740E/RU,741E/S,743E,60LE840E/RU,841E/S,843E,80LE645E/RU,646E/S,848E (1st Edition) COPYRIGHT © 2012 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.

This manual is also suitable for:

Lc-70le741s Lc-60le740ru Lc-60le741e Lc-60le741s Lc-70le740ru Lc-70le743e ... Show all

Sharp LC-70LE740E Service Manual

Safety Precaution

Outline

Chapter 1. Specifications

Chapter 2. Operation Manual

Chapter 3. Dimensions

Chapter 4. Removing of Major Parts

Chapter 5 Adjustment Procedure

Chapter 6. Troubleshooting Table Troubleshooting Table (Lc-60/70Le740E/ Ru,741E/S,743E)

Chapter 7. Major IC Informations

Chapter 8. Overall Wiring/System Block Diagram Overall Wiring Diagram (Lc-60Le740E/Ru,741E/ S,743E)

Parts Guide

Quick Links

SERVICE MANUAL

Troubleshooting

Related Manuals for Sharp LC-70LE740E

Summary of Contents for Sharp LC-70LE740E

This manual is also suitable for:

Table of Contents