Sharp LC-60LE745U Service Manual
  1. Manuals
  2. Brands
  3. Sharp Manuals
  4. LCD TV
  5. AQUOS LC-60LE745U
  6. Service manual

Sharp LC-60LE745U Service Manual

Lcd color television
Hide thumbs Also See for LC-60LE745U:
Table of Contents

Advertisement

Quick Links

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.
MAJOR SERVICE PARTS ..................... . ..........iv
[1]
SPECIFICATIONS ................................. . ....... 1-1
[1]
OPERATION MANUAL .......................... . ....... 2-1
[1]
DIMENSIONS ........................................ . ....... 3-1
[1]
REMOVING OF MAJOR PARTS (LC-
60LE745U,C7450U)............................... . ....... 4-1
[2]
70LE745U,C7450U)............................... . ....... 4-7
[3]
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.
LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition)
SERVICE MANUAL
LCD COLOR TELEVISION
LC-60LE745U,C7450U
LC-60LE845U,C8470U
LC-60LE847U
LC-70LE745U,C7450U
LC-70LE845U,C8470U
LC-70LE847U
MODELS
CONTENTS
sheet............................................................4-13
[4]
Precautions for assembly ............................4-14
CHAPTER 5. ADJUSTMENT
[1]
ADJUSTMENT PROCEDURE ......................5-1
[2]
[1]
[2]
error (Center icon LED used) ........................6-1
[3]
TROUBLESHOOTING TABLE ......................6-5
[1]
MAJOR IC INFORMATIONS .........................7-1
[1]
60LE745U,C7450U) ......................................8-1
[2]
70LE745U,C7450U) ......................................8-2
[3]
SYSTEM BLOCK DIAGRAM .........................8-3
No. S12V760LE745U
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

Advertisement

Table of Contents
loading

Related Manuals for Sharp LC-60LE745U

Summary of Contents for Sharp LC-60LE745U

  • Page 1: Table Of Contents

    TopPage LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) SERVICE MANUAL No. S12V760LE745U LCD COLOR TELEVISION LC-60LE745U,C7450U LC-60LE845U,C8470U LC-60LE847U LC-70LE745U,C7450U LC-70LE845U,C8470U LC-70LE847U MODELS 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.

  • Page 2: Safety Precaution Important Service Safety Pre- Caution

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LC60LE745U 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 • Using two clip leads, connect a 1.5k ohm, 10 watt resistor paral- leled by a 0.15µF capacitor in series with all exposed metal cabinet 1.

  • Page 3: Precautions A Prendre Lors De La Reparation

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT • A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ 10 watts en parallèle avec un condensateur de 0.15µF en série N'entreprendre aucune modification de tout circuit.

  • Page 4: Precautions For Using Lead-Free Solder

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (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: Indicates lead-free solder of tin, silver and copper.

  • Page 5: Outline

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LC60LE745U Service Manual   OUTLINE MAJOR SERVICE PARTS PWB Unit PARTS CODE DESCRIPTION DKEYMF953FM01 MAIN Unit DUNTKF800FM53 KEY Unit DUNTKF975FM04 LCD CONTROL Unit (LC-60/70LE745, 60/70C7450) DUNTKF961FM02 LCD CONTROL Unit (LC-60LE845/847/C8470) DUNTKF961FM01 LCD CONTROL Unit (LC-70LE845/LE847/C8470) DUNTKG014FM02 ICON Unit DUNTKG015FM02 R/C OPC Unit DUNTKG017FM01...

  • Page 6: Chapter 1. Specifications Specifications

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LC60LE745U Service Manual   CHAPTER 1. SPECIFICATIONS [1] SPECIFICATIONS LC-60845U/847U/C8470U LC-70845U/847U/C8470U 1 – 1...

  • Page 7: Chapter 2. Operation Manual Operation Manual

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LC60LE745U Service Manual   CHAPTER 2. OPERATION MANUAL [1] OPERATION MANUAL 2 – 1...
  • Page 8 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 2 – 2...
  • Page 9 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LC-70LE745U/C7450U/845U/847U/C8470U LC-60LE745U/C7450U/845U/847U/C8470U /845U/847U/C8470U 2 – 3...

  • Page 10: Chapter 3. Dimensions Dimensions

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LC60LE745U Service Manual   CHAPTER 3. DIMENSIONS [1] DIMENSIONS LC-70LE745U/C7450U/845U/847U/C8470U LC-60LE745U/C7450U/845U/847U/C8470U 3 – 1...

  • Page 11: Chapter 4. Removing Of Major Parts

    Service Manual   CHAPTER 4. REMOVING OF MAJOR PARTS [1] REMOVING OF MAJOR PARTS (LC-60LE745U,C7450U,845U,847U,C8450U) 1. Removing of Stand Unit and Rear Cabinet Ass’y. 1. Remove the 2 lock screws and detach the Stand Cover 2. Remove the 4 lock screws and detach the Stand Base Ass’y...
  • Page 12 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [Precautions for assembly] Push CAUTION Set it so that there may not be a clearance between Front Cabinet Ass'y and Rear Cabinet Ass'y. Push Push Push 4 – 2...
  • Page 13 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 2. Removing of Bottom Cover Ass’y, Speaker Unit (Woofer),Speaker Unit (L/R) and KEY Unit. 1. Remove the 2 lock screws and detach the Bottom Cover Ass’y 2. Detach the Speaker Unit (Woofer) 3. Disconnect the SB wire. 4.
  • Page 14 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 3. Removing of Connectors 1. Disconnect the following connectors from the MAIN Unit. (PD, LV, RA, UB) 2. Disconnect the following connectors from the LCD CONTROL Unit. (PL, LV) 3. Disconnect the following connectors from the POWER Unit. (PD, L1) 4.
  • Page 15 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 4. Removing of POWER Unit, MAIN Unit, LCD CONTROL Unit. 1. Remove the 6 lock screws and detach the POWER Unit 2. Detach the Power Insulation 3. Remove the 3 lock screws and detach the Side Terminal Angle and the Terminal Angle Width 4.
  • Page 16 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 5. Removing of 3D-IR Unit, R/C OPC Unit, Wi-Fi Unit, ICON Unit, Decoration Cover Ass’y. 1. Remove the 9 lock screws and detach the Decoration Cover Ass’y 2. Detach the 3D-IR Unit 3. Disconnect the IR wire. 4.
  • Page 17 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [2] REMOVING OF MAJOR PARTS (LC-70LE745U,C7450U,845U,847U,C8450U) 1. Removing of Stand Unit and Rear Cabinet Ass’y. 1. Remove the 2 lock screws and detach the 2 Stand Covers 2. Remove the 4 lock screws and detach the Stand Base Ass’y 3.
  • Page 18 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [Precautions for assembly] Push Push Push Push Push CAUTION 1. Set it so that there may not be a clearance between CAB-A and CAB-B. Push Push Push 4 – 8...
  • Page 19 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 2. Removing of Bottom Cover and KEY Unit. 1. Remove the 1 lock screw and detach the KEY Unit Ass’y . 2. Disconnect the KM wire. 3. Detach the KEY Unit from Key Button 4. Detach the 2 Bottom Covers 3 KEY Unit [KM] 4 Key Button...
  • Page 20 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 3. Removing of Connectors 1. Disconnect the following connectors from the MAIN Unit. (PD, SB, SP, LV, RA, UB) 2. Disconnect the following connectors from the LCD CONTROL Unit. (PL, LV) 3. Disconnect the following connectors from the POWER Unit. (PD, L1) 4.
  • Page 21 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 4. Removing of Speaker Unit (Woofer), LCD CONTROL Unit, MAIN Unit, POWER/DRIVE Unit. 1. Detach the Speaker Unit (Woofer) 2. Disconnect the SB wire. 3. Remove the 2 Ferrite Cores , 6 lock screws and detach the LCD CONTROL Unit 4.
  • Page 22 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 5. Removing of Decoration Cover Ass’y, 3D-IR Unit, R/C OPC Unit, Fi-Fi Unit, ICON Unit, Speaker Unit (L/R), Center Angle Ass’y. 1. Remove the 9 lock screws and detach the Decoration Cover Ass’y 2. Detach the 3D-IR Unit 3.

  • Page 23: The Location Putting On The Heat Measure

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [3] The location putting on the heat measure sheet 1. MAIN PWB Unit Base line carved line 2. LCD CONTROL Unit (for LC-60/70LE845/847/C8470) PSPAZC854WJKZ 4 – 13...

  • Page 24: Precautions For Assembly

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [4] Precautions for assembly 1. Points to be checked and precautions when servicing the unit Mount the main PWB Ass’y on the backlight chassis and check that the EMI-prevention parts are not peeled and twisted from the access holes. (The 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.
  • Page 25 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 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 => State where the shielded case and RF terminal angle are mounted on the main PWB) 4 –...
  • Page 26 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LC60LE745U Service Manual   CHAPTER 5. ADJUSTMENT [1] ADJUSTMENT PROCEDURE The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become improper or an adjustment is required due to part replacement, make an adjustment according to the following procedure. 1.
  • Page 27 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 2.2.3 How to upgrade the software 1. Unplug the AC cord. 2. Insert the USB Memory for version upgrade into the service socket. 3. Plug in the AC cord with power button pressed down. 4. After 5 seconds, unpress the power button. 5.
  • Page 28 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 2.3. Monitor microprocessor software version upgrade Create the USB memory for monitor microprocessor software version upgrade in the same manner as explained in the “Main software version upgrade”. Copy the file BSMK_632-732_xxx.USB and BMSDMxxx.SMB. (named temporarily) for monitor microprocessor software version upgrade to the USB memory.
  • Page 29 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 3. Entering and exiting the adjustment process mode 1) Before entering the adjustment process mode, the AV position RESET in the video adjustment menu. 2) While holding down the “VOL (–)” and “INPUT” keys at a time, plug in the AC cord of the main unit to turn on the power. The letter “<K>”...
  • Page 30 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (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.) MAIN Version Main software version BOOT Version Monitor / Monitor BOOT Version Monitor and monitor boot software version...
  • Page 31 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) ANALOG RGB ADJ Analog RGB picture level adjustment R A_GAIN G A_GAIN B A_GAIN R OFFSET G OFFSET B OFFSET VCOM ADJ VCOM adjustment value LEV1 Standard value 1 Adjustment gradation setting.
  • Page 32 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) MONITOR TIME OUT MONITOR MAX TEMP MONITOR ERROR CAUSE RESET LCD TEST PATTERN LCD TEST PATTERN1 LCD TEST PATTERN2 LCD TEST PATTERN3 LCD TEST PATTERN4 TV TEST PATTERN 1 TV TEST PATTERN 2 T-CON VERSION EXT.1 PRIMROSE 2D Version...
  • Page 33 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) WIFI SSID 2.4GHz Set AP SSID WIFI SSID 5GHz Set AP SSID WIFI RSSI 2.4GHz Set RSSI threshold WIFI RSSI 5GHz Set RSSI threshold WIFI TIME 2.4GHz Set Time Out WIFI TIME 5GHz Set Time Out WIFI RSSI TEST...
  • Page 34 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) *1 Details of P1.12 (NORMAL STANDBY CAUSE) When TV set is powered off due to normal use or product specification, the last cause will be recorded. The code, character string and description for the standby cause are below. If you power off by remote, the cause will not be recorded.

  • Page 35: Adjustment Procedure

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 6. Special features * STANDBY CAUSE (Page 1/26) Display of a cause (code) of the last standby The cause of the last standby is recorded in EEPROM whenever possible. Checking this code will be useful in finding a problem when you repair the troubled set. * EEP SAVE (Page 26/26) Storage of EEP adjustment value * EEP RECOVER (Page 26/26)
  • Page 36 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 8.2. Image adjustment 8.2.1 Device check Before adjustment, check that the adjustment jig and signal source are set for Sharp LCD US. Signal generator level adjustment check (Adjust to the standard value level.) • Composite signal: 0.714Vp-p ± 0.02Vp-p (Pedestal to white) •...
  • Page 37 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 8.2.4 Component 33K signal adjustment Adjustment point Adjustment conditions Adjustment procedure • Send the 100% color bar signal to the component input. Setting 1080i signal Color saturation: 100% 1080i 100% color bar 100% white 0% black Automatic adjustment exe- Point the cursor to [ COMP33K ADJ(INPUT1)] and press the [Enter] key.
  • Page 38 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 9. White balance adjustment 9.1. White balance adjustment (For details about the adjustment procedure, refer to “Kameyama Model Integrated Monitor WB Adjustment Specification V1.92”.) Adjustment Adjustment conditions Adjustment procedure point Setting 1) Set the unit to the following conditions. AV MODE: [DYNAMIC] Backlight: +16 Active Backlight: OFF...
  • Page 39 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 10. Key writing 10.1. MAC key writing (MAIN PWB: QPWBXF953WJZZ) 1. Write the MAC key data on IC3103 (IC3104) mounted on the main PWB. 2. Carry out thorough data management to avoid redundant writing of data. If the IC where data is written is damaged, replace the PWB since only the IC cannot be changed. 10.2.

  • Page 40: Public Mode Setting Procedure

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [2] PUBLIC MODE SETTING PROCEDURE 1. How to start Public Mode • There are the following two ways to get the public mode setup screen displayed. In the adjustment process mode, turn on “PUBLIC MODE”. Also press the “CH ( )”...
  • Page 41 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 4. Public Mode Menu The guidance is not displayed on screen. Setup procedure • To move the cursor up and down, use the “cursor UP/DOWN” key (remote controller) and “CH ( )” key (remote controller and set). •...
  • Page 42 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 5. On Setting Items * “EZ-SETUP” discussed below indicates “EZ-SETUP after the first power-on”. 1) POWER ON FIXED Selection Selection between “Variable” and “Fixed” (loop provided) Default – (Variable) Explanation In “Fixed” setting, the power-off by the power key of the unit is invalidated and the image is kept being received. The power can be turned off by stopping the power supply from AC.
  • Page 43 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 6) PANEL BUTTON Selection Selection between “Respond” and “No respond” (loop provided) Default Respond Explanation All the operations by keys (except the power key) of the unit can be invalidated. Limit in Setting • Adjustment process, inspection mode and hotel menu mode can be started irrespective of setting. Exception •...
  • Page 44 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 10)INPUT MODE FIXED Selection Selection between “Variable”, “Fixed”, “ACON (AC CTRL)” and “AC/RCON (AC/RC CTRL)” (loop provided) Default – (Variable) • At the “Fixed” setting, the TV set gets started with the settings of “Input mode start”, and then any other channels and inputs Explanation are not accepted.
  • Page 45 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 15)PUBLIC MODE (ON/OFF) Selection Selection between “ON” and “OFF” (loop provided) Default Explanation In case of “ON”, public mode settings are effected. Limit in Setting None Exception None Remarks The public-mode settings are operable only when this item is set at ON. 5 –...

  • Page 46: Chapter 6. Troubleshooting Table

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LC60LE745U Service Manual   CHAPTER 6. TROUBLESHOOTING TABLE [1] Failure diagnosis by LED in front of cabinet START Is the Center Icon flashing? Check "[2] LED flashing specification at the time of an error (Center icon LED used)". Is the Center Icon lighting Check Power-Unit and AC-cable.
  • Page 47 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) Table 1. Concrete flashing pattern Detail display Item Cause Slow flashing Fast flashing Inverter/Lamp system failure Flashes once Flashes once Lamp error Power PWB Flashes twice Flash once Power supply error 2 (*2) AC_DET error failure Flash twice Power supply error 2 (*2) UR+13V error (Power failure, etc.) Flash 3 times...
  • Page 48 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LED flashing timing chart at the time of an error 100ms 400ms 1.6sec 1) Inverter/Lamp failure details (Flashes slowly once and flashes fast) Note Pins are monitor microprocessor pins unless other- Error type Center icon LED operation wise specified.
  • Page 49 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 4) Other failure details (Flashes slowly 4 times and flashes fast) Note Pins are monitor microprocessor pins unless other- Error type Center icon LED operation wise specified. Monitor temperature H: On If the panel temperature is 60°C or more for 15 seconds failure or more in a row, CAUTION appears on the OSD Flashes fast once...

  • Page 50: Troubleshooting Table

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [3] TROUBLESHOOTING TABLE • LED Backlight does not turn on. If it is not an error of power supply/LED driver, It is start-up in the lamp error disregard mode. Do you start? When main unit is replaced, does it start normally? Replace main unit.
  • Page 51 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) Trouble Shooting Panel Module When C-S FPC is replaced, does screen display normally? Replace C-S FPC. When C-PWB is replaced, does screen display normally? Replace C-PWB. (Adjust “VCOM ADJ” after replace C-PWB) Replace Panel HIRAKI. (Adjust “VCOM ADJ” after replace Panel HIRAKI) 6 –...
  • Page 52 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) • Picture does not display. Trouble Shooting LCD controller board(C-PWB) A screen isn't displayed. • It is checked whether PL/LW is connected correctly. (The LED Backlight has shone at start-up) • Replace another C-PWB. Please enter the adjustment process mode and display “LCD TEST It isn't the fault of a C-PWB.
  • Page 53 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) <HDMI input> No video (1)-1 HDMI: No external input video [INPUT-1] Is INPUT-1 selected on the input select menu screen? Select INPUT-1 on the input select menu screen for the right input signal. Does the HOT PLUG detection function? Check the line between the pin(18) of SC1501 and the pin(60) of IC2601.
  • Page 54 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) <HDMI input> No video (1)-2 HDMI: No external input video [INPUT-2] Is INPUT-2 selected on the input select menu screen? Select INPUT-2 on the input select menu screen for the right input signal. Does the HOT PLUG detection function? Check the line between the pin(18) of SC1502 and the pin(75) of IC2601.
  • Page 55 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) <HDMI input> No video (1)-3 HDMI: No external input video [INPUT-3] Is INPUT-3 selected on the input select menu screen? Select INPUT-3 on the input select menu screen for the right input signal. Does the HOT PLUG detection function? Check the line between the pin(18) of SC1503 and the pin(56) of IC2601.
  • Page 56 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) <HDMI input> No video (1)-4 HDMI: No external input video [INPUT-4] Is INPUT-4 selected on the input select menu screen? Select INPUT-4 on the input select menu screen for the right input signal. Does the HOT PLUG detection function? Check the line between the pin(18) of SC1504 and the pin(51) of IC2601.
  • Page 57 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No video (2) COMPONENT: No external input video [INPUT-5] Is INPUT-5 selected on the input select menu screen? Is the INPUT-SELECT for the input signal? Select INPUT-5 on the input select menu screen for the right input signal. Does the INPUT-5 COMP1_PLUG detection function? Check the line between pin (17) of input terminal (J510) and pin (B29) of IC3301 (CPU).
  • Page 58 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No video (3) COMPOSITE: No external input video [INPUT-6] COMPOSITE: No external input video [INPUT-7] Is INPUT-6 selected on the input select menu screen? Is INPUT-7 selected on the input select menu screen? Select INPUT-6 on the input select menu Select INPUT-7 on the input select menu screen for the right input signal.
  • Page 59 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No video (4) PC: No external input video [INPUT-8] Is INPUT-8 selected on the input select menu screen? Select INPUT-8 on the input select menu screen for the right input signal. Is IC2601 (HDMI-SW) accessed by I2C, with PC connected, to read the VGA_SCL/SDA data? Check the DDC-12C line and its peripheral circuits.
  • Page 60 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No video (5) No video at UHF/VHF broadcast signal reception No video at digital broadcast signal reception Is the specified TV signal selected on the input select menu screen? Are there the IF signal at input pins(AT32/AU32)(TUN_IFN/P) Are there the IF signal at input pins(AT32/AU32)(TUN_IFN/P) of of IC3301(CPU)? IC3301(CPU)?
  • Page 61 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No video (6) MHL:No external input video [INPUT-4] (using MHL Cable with Mobile Phone) Is INPUT-4 selected on the input select menu screen? Select INPUT-4 on the input select menu screen for the right input signal. Does the MHL Cable detection function? Check the MHL Cable.
  • Page 62 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) • Does not sound. No audio (1) INPUT-6 No audio. INPUT-7 No audio. INPUT-5 No audio. Is INPUT-6 selected on the input select Is INPUT-7 selected on the input select Is INPUT-5 selected on the input select menu screen? menu screen? menu screen?
  • Page 63 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No audio (2) [PC analog audio input] INPUT-8 No audio. [HDMI analog audio input] INPUT-2 No audio. Is INPUT-8 selected on the input select menu screen? Is INPUT-2 selected on the input select menu screen? Refer to “: No external input video [INPUT-8]”. Refer to “: No external input video [INPUT-2]”.
  • Page 64 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No audio (3) No audio at UHF/VHF broadcast signal reception. No audio at digital broadcast signal reception. Is TV selected on the input select menu screen? Is TV selected on the input select menu screen? Refer to “No video at UHF/VHF broadcast signal Refer to “No video at digital broadcast signal reception”.
  • Page 65 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No audio (4) INPUT-1 No audio (HDMI connected) INPUT-2 No audio (HDMI connected) INPUT-3 No audio (HDMI connected) INPUT-4 No audio (HDMI connected or MHL connected) [INPUT-1 input] Is INPUT-1 selected on the input select menu screen? [INPUT-2 input] Is INPUT-2 selected on the input select menu screen? [INPUT-3 input]...
  • Page 66 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No audio signal at Digital Audio Output terminal (Analog sound heard) No INPUT-1/2/3/4 (HDMI) audio. No audio at digital broadcast signal reception. If no video appears, refer to “No external input video (HDMI) If no video appears, refer to “No video at digital broadcast signal [INPUT-1/2/3/4]”.
  • Page 67 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) No monitor audio output Is the audio output from the monitor set at “VARIABLE” or “FIXED” on the menu screen? Check IC3301 (CPU) and its peripheral circuits. Are there the audio signal outputs at pins (AN34) (HP_MONITOR_L) and (AN3532) (HP_MONITOR_R) of IC3301 (CPU)? Check IC3301 (CPU) and its peripheral circuits.

  • Page 68: Chapter 7. Major Ic Informations

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) LC60LE745U Service Manual   CHAPTER 7. MAJOR IC INFORMATIONS [1] MAJOR IC INFORMATIONS 1. MAJOR IC INFORMATIONS 1.1. IC2601 (VHiSii9387A-1Q) This IC is 5 input and 1 output HDMI port processor. The TMDS cores run at 2.25Gbps. (Supports video resolutions up to 1080p, 60Hz, 12bit.) The adaptive equalizer provides long cable support.
  • Page 69 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) 1.11. IC1702 (VHiAK4201EU-1Y) This IC is audio amplifier for line-out/head-phone. 1.12. IC1704 (VHiYSS952QZ-1Y) Audio DSP (YSS952QZ) has digital audio adjustment function (for example, PEQ, bass/treble, balance, bass enhancer, etc.) and adjusts TVs audio quality. 7 – 2...
  • Page 70 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) - MEMO - 7 – 3...

  • Page 71: Chapter 8. Overall Wiring/System Block Diagram Overall Wiring Diagram (Lc- 60Le745U,C7450U)

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) Service Manual LC60LE745U   CHAPTER 8. OVERALL WIRING/SYSTEM BLOCK DIAGRAM [1] OVERALL WIRING DIAGRAM (LC-60LE745U,C7450U,845U,847U,C8450U) DKEYMF953FM01 LC-60LE745U/C7450U: LC-60LE845U/847U/C8470U: 8 – 1...

  • Page 72: Overall Wiring Diagram

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [2] OVERALL WIRING DIAGRAM (LC-70LE745U,C7450U,845U,847U,C8450U) LC-70LE745U/C7450U: LC-70LE845U/847U/C8470U: 8 – 2...

  • Page 73: System Block Diagram

    LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [3] SYSTEM BLOCK DIAGRAM 8 – 3...
  • Page 74 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) - MENO - 8 – 4...

  • Page 75: Parts Guide

    LC-60LE745U,C7450U LC-60LE845U,C8470U LC-60LE847U LC-70LE745U,C7450U LC-70LE845U,C8470U LC-70LE847U MODELS CONTENTS PRINTED WIRING BOARD SUPPLIED ACCESSORIES/ ASSEMBLIES PACKING PARTS (LC-60LE745U/ 845U/847U/C7450U/C8470U) LCD PANEL MODULE Unit SUPPLIED ACCESSORIES/ PACKING PARTS (LC-70LE745U/ CABINET PARTS (LC-60LE745U/ 845U/847U/C7450U/C8470U) 845U/847U/C7450U/C8470U) SERVICE JIG (USE FOR CABINET PARTS (LC-70KE745U/ SERVICING) 845U/847U/C7450U/C8470U) Parts marked with "...
  • Page 76 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [1] PRINTED WIRING BOARD ASSEMBLIES DKEYMF953FM01 MAIN Unit DUNTKF800FM53 KEY Unit DUNTKF975FM04 LCD CONTROL Unit (LC-60/70LE745, 60/70C7450) DUNTKF961FM02 LCD CONTROL Unit (LC-60LE845/847/C8470) DUNTKF961FM01 LCD CONTROL Unit (LC-70LE845/LE847/C8470) DUNTKG014FM02 ICON Unit DUNTKG015FM02 R/C OPC Unit DUNTKG017FM01...
  • Page 77 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [3] CABINET PARTS (LC-60LE745U/845U/847U/C7450U/C8470U) 3D-IR Unit R/C OPC Unit 60" LCD Wi-Fi ICON Panel Module Unit Unit Unit MAIN Unit CONTROL Unit Unit POWER Unit...
  • Page 78 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [3] CABINET PARTS (LC-60LE745U/845U/847U/C7450U/C8470U) CCABBC053WJ31 Rear Cabinet Ass'y GCABBC053WJ3A Rear Cabinet HiNDPE034WJSA Terminal Ind-b HiNDPE573WJSA OPE Label HiNDPE587WJSA TERM IND (Side) HiNDPE588WJSA TERM IND (Bottom) CANGKD512WJ31 Center Angle Ass'y, x2...
  • Page 79 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [4] CABINET PARTS (LC-70KE745U/845U/847U/C7450U/C8470U) 70" LCD Panel Module Unit 3D-IR Unit Wi-Fi Unit Unit ICON Unit MAIN Unit CONTROL Unit KEY Unit L1 L1 POWER/ DRIVER Unit...
  • Page 80 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [4] CABINET PARTS (LC-70KE745U/845U/847U/C7450U/C8470U) CCABBC054WJ31 Rear Cabinet Ass'y GCABBC054WJ3A Rear Cabinet HiNDPE034WJSA Terminal Indica HiNDPE573WJSA OPE Label HiNDPE587WJSA TERM IND (Side) HiNDPE588WJSA TERM IND (Bottom) CANGKD468WJ31 Center Angle Ass'y, x2 LANGKD468WJ3W Center Angle LHLDWA151WJKZ...
  • Page 81 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [5] SUPPLIED ACCESSORIES/PACKING PARTS (LC-60LE745U/845U/847U/C7450U/ C8470U) Stand Base Stand Support Ass’y Ass’y X3 Stand Screw Ass’y FRONT...
  • Page 82 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [5] SUPPLIED ACCESSORIES/PACKING PARTS (LC-60LE745U/845U/847U/C7450U/C8470U) CDAi-A823WJ01 Stand Base Ass'y CANGKD137WJ01 Stand Support Ass'y CSAKKA016WJ01 Stand Screw Ass'y TCADEA290WJZZ Enquete Card TGAN-B610WJZZ Guarantee Card TiNS-F441WJZZ Operation Manual (for LC-60LE745) TiNS-F448WJZZ...
  • Page 83 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) [6] SUPPLIED ACCESSORIES/PACKING PARTS (LC-70LE745U/845U/847U/C7450U/ C8470U) Stand Base Stand Support Ass’y Ass’y X3 Stand Screw Ass’y FRONT...
  • Page 84 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] SUPPLIED ACCESSORIES/PACKING PARTS (LC-70LE745U/845U/847U/C7450U/C8470U) CDAi-A821WJ31 Stand Base Ass'y CANGKD525WJ31 Stand Support Ass'y CSAKKA011WJ04 Stand Screw Ass'y LHLDWA303WJKA Cable Clamp TCADEA290WJZZ Enquete Card TGAN-B610WJZZ Guarantee Card TiNS-F441WJZZ Operation Manual (for LC-70LE745) TiNS-F448WJZZ Operation Manual (for LC-70C7450) TiNS-F442WJZZ...
  • Page 85 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition)
  • Page 86 LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (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-60c7450uLc-60le845uLc-60c8470uLc-60le847uLc-70le745uLc-70c7450u ... Show all

Table of Contents