SYSTEM BLOCK DIAGRAM ......8-2 CHAPTER 4. REMOVING OF MAJOR PARTS REMOVING OF MAJOR PARTS Parts Guide (LC-60EQ30U) ..........4-1 REMOVING OF MAJOR PARTS (LC-70EQ30U) ..........4-5 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-60/70EQ30U LC-60EQ30U 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...
LC-60/70EQ30U 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. • A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ AVERTISSEMENT 10 watts en parallèle avec un condensateur de 0.15µF en série N'entreprendre aucune modification de tout circuit.
LC-60/70EQ30U 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.
NOTE: *1 Replace LCD CONTROL PWB Units (DUNTKG479FM01/02) in case of IC5807 failure. OTHER Unit PARTS CODE DESCRIPTION R1JE601D3HA60Z 60" LCD PANEL Unit (Open Cell) (LC-60EQ30U) (JE601D3HA60Z) R1JE695D3HC60Z 70" LCD PANEL Unit (Open Cell) (LC-70EQ30U) Service Jigs PARTS CODE DESCRIPTION...
*1 Emergency alert messages via Cable are unreceivable. As part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of production units. There may be some deviations from these values in individual units.
Page 12
LC-60/70EQ30U LC‑70EQ30U Unit: inch (mm) Unité: pouce (mm) Unidad: pulgada (mm) *1 Active area/Área activa/Zone active *2 Thinnest part/Parte más delgada/Partie la plus mince *3 Including projecting parts/Incluyendo partes salientes/Parties saillantes incluses 3 – 2...
Service Manual CHAPTER 4. REMOVING OF MAJOR PARTS [1] REMOVING OF MAJOR PARTS (LC-60EQ30U) 1. Removing of Stand Unit and Rear Cabinet Ass'y. 1. Remove the 4 lock screws (1) and detach the Stand Unit (2). 2. Remove the 1 lock screw (3) and detach the AC Cord Cover (4).
Page 14
LC-60/70EQ30U 2. Removing of connectors, Bottom Cover and KEY Cover Ass'y. 1. Remove the 8 Hooks and detach the 2 Bottom Covers (1). 2. Disconnect the following connectors from the MAIN Unit. (PD, UB, SP, LW, RC) 3. Disconnect the following connectors from the FRC Unit. (PQ, LW, VB) 4.
Page 15
LC-60/70EQ30U 3. Removing of Middle Cabinet Ass'y, Speaker Unit (L/R), RC/ICON Unit and Wi-Fi Unit. 1. Remove the 4 lock screws (1) and detach the Speaker Unit (L) (2), Speaker Unit (R) (3). 2. Remove the 5 lock screws (4) and detach the Middle Cabinet Ass'y (5). 3.
Page 16
LC-60/70EQ30U 4. Removing LCD CONTROL Unit, MAIN Unit, POWER Unit, Stand Fix Angle Ass'y and VESA Angle Ass'y 1. Remove the 6 lock screws (1) and detach the LCD CONTROL Unit (2). 2. Remove the 6 lock screws (3) and detach the POWER Unit (4). 3.
LC-60/70EQ30U [2] REMOVING OF MAJOR PARTS (LC-70EQ30U) 1. Removing of Stand Unit and Rear Cabinet Ass'y. 1. Remove the 4 lock screws (1) and detach the Stand Unit (2). 2. Remove the 1 lock screw (3) and detach the AC Cord Cover (4). 3.
Page 18
LC-60/70EQ30U 2. Removing of connectors, Bottom Cover and KEY Cover Ass'y. 1. Remove the 8 Hooks and detach the 2 Bottom Covers (1). 2. Disconnect the following connectors from the MAIN Unit. (PD, UB, SP, LW, RC) 3. Disconnect the following connectors from the FRC Unit. (PQ, LW, VB) 4.
Page 19
LC-60/70EQ30U 3. Removing of Middle Cabinet Ass'y, Speaker Unit (L/R), RC/ICON Unit and Wi-Fi Unit. 1. Remove the 2 lock screws (1) and detach the Speaker Unit (L) (2), Speaker Unit (R) (3). 2. Remove the 6 lock screws (4) and detach the Middle Cabinet Ass'y (5). 3.
Page 20
LC-60/70EQ30U 4. Removing LCD CONTROL Unit, MAIN Unit, POWER Unit, Stand Fix AngleAss'y and VESA Angle Ass'y. 1. Remove the 6 lock screws (1) and detach the LCD CONTROL Unit (2). 2. Remove the 6 lock screws (3) and detach the POWER Unit (4). 3.
LC-60/70EQ30U [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 23
LC-60/70EQ30U 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 24
LC-60/70EQ30U LC-60EQ30U 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.
Page 25
LC-60/70EQ30U 2.2.3 How to upgrade the software 1. Please copy "BUFQ_C_xxx.img" file and place it on a USB memory device in the root directory. (Please make it the only file in the root directory. Otherwise, other files might cause some problem during update process.) 2.
Page 26
LC-60/70EQ30U 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 27
LC-60/70EQ30U 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 SVN Number Software version number of IC supplier PANEL Version LCD controller software version...
Page 28
LC-60/70EQ30U Page Line Item Description Remarks(adjustment detail,etc.) MAC ADDRESS NETFLIX ESN WIDEVINE DEVICE ID PLAY READY MIRACAST HDCP SERIAL NO WIFI MAC ADDRESS HDCP KEY WIFI SSID 2.4GHz WIFI SSID 5GHz WIFI RSSI 2.4GHz WIFI RSSI 5GHz WIFI TIME 2.4GHz WIFI TIME 5GHz WIFI RSSI TEST WIFI RSSI RESULT...
LC-60/70EQ30U 6. Writing the microprocessor software 6.1. Writing the main microprocessor software and monitor microprocessor software (Main PWB: QPWBXG577WJ**) Adjustment item Adjustment conditions Adjustment procedure Writing the main micropro- Checker process 1) Using the checker, connect the specified writing tool to the SC3101 (TL3120 - cessor software and moni- TL3133).
Page 30
LC-60/70EQ30U 7.2. Image adjustment 7.2.1 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.) • 33K component signal: 0.7Vp-p ± 0.02Vp-p (Pedestal to white) Y level: 0.7Vp-p ±...
Page 31
MG2G**** 5) Writes the adjustment value in MSET0003 command, turn off the AC power. MG2B**** [Adjustment value] * According to the “Standard settings” submitted by the Technical Department MG2R**** MG2Y**** [LC-60EQ30U] teaching set Point1 LEV10051 MG1G**** MG1B**** MG1R**** MG1Y**** Writing...
Page 32
LC-60/70EQ30U 9. Key writing 9.1. MAC address writing (MAIN PWB: QPWBXG577WJ**) 1. Write the MAC address data on IC3101 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. 9.2.
Page 33
LC-60/70EQ30U [2] PUBLIC MODE SETTING PROCEDURE 1. How to start Public Mode setup screen • There are three ways to enter the public mode. 1. In the adjustment process mode, turn on “PUBLIC MODE”. Also press the “CH ( )” and “VOL (+)” keys on the set at once and turn on the power.
Page 34
LC-60/70EQ30U 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) or “CH ( )” key (remote controller and TV set). • To change the settings, use the”cursor RIGHT/LEFT”...
Page 35
LC-60/70EQ30U [How to use USB clone] This is the function that copying the one TV's user setting to other TVs or copying previous user setting to itself. Cloning is available between the same model. 1. Insert the USB memory to TV. 2.
Page 36
LC-60/70EQ30U 9. The following guide is dispalyed.Then select the “USB→TV [Start]”. 10.USB Cloning Finished. message is displayed when it is finished , then select "Reset" . TV will restart. 11.Comfirm the user setting is copied. 5 – 13...
Page 37
LC-60/70EQ30U 5. On Setting Items 1. POWER ON FIXED Selection Selection between “Variable” and “Fixed” 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 38
LC-60/70EQ30U 6. PANEL BUTTON Selection Selection between “Respond” and “No respond” 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 •All the keys can be used in adjustment process, inspection mode and hotel menu irrespective of setting.
Page 39
LC-60/70EQ30U 10.INPUT MODE FIXED Selection Selection between “Variable”, “Fixed”, “ACON (AC CTRL)” and “AC/RCON (AC/RC CTRL)” Default –(Variable) •At the “Fixed”setting, the TV set gets started with the settings of “Input mode start”, and then any other channels Explanation and inputs are not accepted. •At the “ACON (AC CTRL)”setting, the TV set gets started with the settings of “Input mode start”...
Page 40
LC-60/70EQ30U 15.PUBLIC MODE (ON/OFF) Selection Selection between “ON” and “OFF” 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 –...
LC-60/70EQ30U LC-60EQ30U Service Manual CHAPTER 6. TROUBLESHOOTING TABLE [1] Failure diagnosis by LED in front of cabinet START Is the Power Icon flashing? Check "[2] LED flashing specification at the time of an error (Power icon LED used)". Is the Power Icon lighting Check Power-Unit and AC-cable.
LC-60/70EQ30U [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 43
LC-60/70EQ30U 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 44
LC-60/70EQ30U No video (1)-1 HDMI:No external input video [INPUT-1] Is HDMI1 selected on the input select menu screen? Select HDMI1 on the input select menu screen for the right input sig- nal. Does the HOT PLUG detection function? Check the line between the pin(18) of SC1501 and R1503. Does the DDC5V signal come from pin(18) of SC1501 to R1503? Does the HPD signal come from pin(120) of IC3301 to pin(19) of Check the line between the pin(19) of SC1501 and the pin(120) of...
Page 45
LC-60/70EQ30U No video (1)-2 HDMI:No external input video [HDMI2] Is HDMI2 selected on the input select menu screen? Select HDMI2 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 R1508. Does the DDC5V signal come from pin(18) of SC1502 to R1508? Does the HPD signal come from pin(117) of IC3301 to pin(19) of Check the line between the pin(19) of SC1502 and the pin(117) of...
Page 46
LC-60/70EQ30U No video (1)-3 HDMI:No external input video [HDMI3] Is HDMI3 selected on the input select menu screen? Select HDMI3 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(6) of IC1503. Does the DDC5V signal come from pin(18) of SC1503 to pin(38) of IC1503(POW-SW)? Does the HPD signal come from pin(132) of IC3301 to...
Page 47
LC-60/70EQ30U No video (2) COMPOSITE:No external input video [INPUT-4] Is INPUT-4 selected on the input select menu screen? Select INPUT-4 on the input select menu screen for the right input signal. Is there the COMPOSITE signal input at pin(174) of Check the video line between pin(9) of J502 and pin(174) of IC3301(CPU).
Page 48
LC-60/70EQ30U No video (3)-2 COMPOSITE:No external input video [INPUT-5] Is INPUT-5 selected on the input select menu screen? Select INPUT-5 on the input select menu screen for the right input signal. Is INPUT-5 on the input select menu screen for the right Set the Input Select to "Video".
Page 49
LC-60/70EQ30U No video (4) PC:No external input video [PC-IN] Is PC-IN selected on the input select menu screen? Select PC-IN on the input select menu screen for the right input signal. Is IC3301(CPU) accessed by I2C, with PC connected, to read the VGA_SCL/_SDA data? Check the DDC-I2C line and its peripheral circuits..
Page 50
LC-60/70EQ30U • Does not sound. No audio (1) INPUT-4 No audio. INPUT-5 No audio. Is INPUT-4 selected on the input select menu screen? Is INPUT-5 selected on the input select menu screen? Refer to ":No external input video [INPUT-4]". Refer to ":No external input video [INPUT-5]". Is the audio output selected for "Variable"...
Page 51
LC-60/70EQ30U No audio (2) [PC analog audio input] PC-IN No audio. [HDMI analog audio input] HDMI2 No audio. Is PC-IN selected on the input select menu screen? Is HDMI2 selected on the input select menu screen? Refer to ":No external input video [PC-IN]". Refer to ":No external input video [HDMI2]".
Page 52
LC-60/70EQ30U No audio (3) 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(24/25)(IF_N/P) of IC3301(CPU)? Are there the IF signal at input pins(24/25)(IF_N/P) of IC3301(CPU)? Is there IF-AGC signal at input pin(5) of TU1101? Check the IF signal line between IC3301 and TU1101, and...
Page 53
LC-60/70EQ30U No audio (4) HDMI1 No audio (HDMI connected) HDMI2 No audio (HDMI connected) HDMI3 No audio (HDMI connected) [HDMI1 input] Is HDMI1 selected on the input select menu screen ? [HDMI2 input] Is HDMI2 selected on the input select menu screen ? [HDMI3 input] Is HDMI3 selected on the input select menu screen ? Refer to ":No external input video [HDMI1/2/3]".
Page 54
LC-60/70EQ30U No audio signal at Digital Audio Output terminal (Analog sound heard) No HDMI1/2/3 audio. No audio at digital broadcast signal reception. If no video appears, refer to "No external input video(HDMI) [HDMI1/ If no video appears, refer to "No video at digital broadcast signal 2/3]".
Page 55
LC-60/70EQ30U 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 (19)(AV_OUT_L) and (20)(AV_OUT_R) of IC3301 (CPU)? Check the line between IC3301 and IC1703 and their peripheral circuits.
LC-60/70EQ30U LC-60EQ30U Service Manual CHAPTER 7. MAJOR IC INFORMATIONS [1] MAJOR IC INFORMATIONS 1. MAJOR IC INFORMATIONS (DKEYMG577FM02) 1.1. IC3301 (RH-iXD729WJQZQ) This LSI is FULL HIGH-DEFINITION 1080P DIGITAL TV SYSTEM-ON-A-CHIP. The LSI incorporates a complete ARM dual core 3Ch HDMI 1.4a compliant receiver, Support HDMI CEC interface One MHL input port(combo with HDMI/DVI) MHL 2.1 compliant, Support up to 1920x1080p @60Hz...
MODELS CONTENTS PRINTED WIRING BOARD CABINET AND MECHANICAL ASSEMBLIES PARTS-2 (LC-70EQ30U) LCD PANEL UNIT SUPPLIED ACCESSORIES/ PACKING PARTS (LC-60EQ30U) (NOT REPLACEMENT ITEM) CABINET AND MECHANICAL PARTS-1 (LC-60EQ30U) SUPPLIED ACCESSORIES/ PACKING PARTS (LC-70EQ30U) CABINET AND MECHANICAL (NOT REPLACEMENT ITEM) PARTS-2 (LC-60EQ30U)
Page 60
LC-60/70EQ30U PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [1] PRINTED WIRING BOARD ASSEMBLIES DKEYMG577FM02 MAIN Unit DUNTKG479FM01 LCD CONTROL Unit (LC-60EQ30U) DUNTKG479FM02 LCD CONTROL Unit (LC-70EQ30U) DUNTKG576FM01 FRC Unit DUNTKG448FM04 KEY Unit DUNTKG447FM04 RC/ICON Unit RUNTKB293WJZZ Wi-Fi Unit RUNTKB285WJQZ...
Page 61
LC-60/70EQ30U [3] CABINET AND MECHANICAL PARTS-1 (LC-60EQ30U) Refer to CABINET AND MECHANICAL PARTS-2(LC-60EQ30U) Unit WiFi Unit RC/ICON Unit...
Page 62
LC-60/70EQ30U PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [3] CABINET AND MECHANICAL PARTS-1 (LC-60EQ30U) CCABBC386WJ31 Rear Cabinet Ass'y Not Available Rear Cabinet Not Available KEY Label LHLDWA357WJKZ Cable Clamp CCABAD131WJ33 Middle Cabinet Ass'y Not Available Middle Cabinet HDECPA177WJ3A LED Decoration Sheet...
Page 63
LC-60/70EQ30U [4] CABINET AND MECHANICAL PARTS-2 (LC-60EQ30U) Unit MAIN Unit CONTROL Unit POWER/ LED DRIVER Unit...
Page 64
LC-60/70EQ30U PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [4] CABINET AND MECHANICAL PARTS-2 (LC-60EQ30U) CHLDZC197WJ31 P-Chassis Unit (Top) CHLDZC198WJ31 P-Chassis Unit (Bottom) CHLDZC199WJ31 P-Chassis Unit (Left) CHLDZC200WJ31 P-Chassis Unit (Right) CWAKMA117WJ31 Bezel Unit Ass'y CANGKE266WJ31 VESA Angle Ass'y, x4...
Page 65
LC-60/70EQ30U [5] CABINET AND MECHANICAL PARTS-1 (LC-70EQ30U) Refer to CABINET AND MECHANICAL PARTS-2(LC-70EQ30U) Unit WiFi Unit RC/ICON Unit...
Page 66
LC-60/70EQ30U PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [5] CABINET AND MECHANICAL PARTS-1 (LC-70EQ30U) CCABBC481WJ31 Rear Cabinet Ass'y Not Available Rear Cabinet Not Available KEY Label LHLDWA357WJKZ Cable Clamp CCABAD130WJ33 Middle Cabinet Ass'y Not Available Middle Cabinet HDECPA177WJ3A LED Decoration Sheet Not Available LED Decoration TLABZE614WJZZ...
Page 67
LC-60/70EQ30U [6] CABINET AND MECHANICAL PARTS-2 (LC-70EQ30U) MAIN Unit Unit CONTROL Unit POWER/ LED DRIVER Unit...
Page 68
LC-60/70EQ30U PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] CABINET AND MECHANICAL PARTS-2 (LC-70EQ30U) CHLDZC186WJ31 P-Chassis Unit (Top/Left) CHLDZC187WJ31 P-Chassis Unit (Top/Right) CHLDZC190WJ31 P-Chassis Unit (Left) CHLDZC191WJ31 P-Chassis Unit (Right) CHLDZC201WJ31 P-Chassis Unit (Bottom/Left) CHLDZC202WJ31 P-Chassis Unit (Bottom/Right) CWAKMA118WJ31 Bezel Unit Ass'y CANGKE266WJ31 VESA Angle Ass'y, x4...
Page 70
LC-60/70EQ30U PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [7] SUPPLIED ACCESSORIES/PACKING PARTS (LC-60EQ30U) (NOT REPLACEMENT ITEM) CDAi-A958WJ31 Stand Base Ass'y CANGKE281WJ31 Stand Support Ass'y (Left) CANGKE412WJ31 Stand Support Ass'y (Right) CSAKAA233WJ31 Stand Screw Ass'y TCADEA290WJZZ Enquete Card Not Available...
Page 72
LC-60/70EQ30U PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [8] SUPPLIED ACCESSORIES/PACKING PARTS (LC-70EQ30U) (NOT REPLACEMENT ITEM) CDAi-A958WJ31 Stand Base Ass'y CANGKE281WJ31 Stand Support Ass'y (Left) CANGKE412WJ31 Stand Support Ass'y (Right) CSAKAA233WJ31 Stand Screw Ass'y TCADEA290WJZZ Enquete Card Not Available AAL Card TiNS-G248WJN2 SET UP Guide...