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Sharp LC-60LE452U Service Manual
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Sharp LC-60LE452U Service Manual

60” fhd 120hz led tv
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Sharp LC-60LE450U/LC-60LE452U Service manual
LED COLOR TELEVISION
SERVICE MANUAL
LC-60LE450U/LC-60LE452U
60" FHD 120HZ LED TV
.
1

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Summary of Contents for Sharp LC-60LE452U

  • Page 1 Sharp LC-60LE450U/LC-60LE452U Service manual LED COLOR TELEVISION SERVICE MANUAL LC-60LE450U/LC-60LE452U 60” FHD 120HZ LED TV...

  • Page 2: Table Of Contents

    Sharp LC-60LE450U/LC-60LE452U Service manual Contents IMPORTANT SERVICE SAFETY PRECAUTION……………………………………………………..3 1. Function Diagram………………………………………………………………………………………..4 2. System block……………………………………………………………………………………………..5 3. Disassembly method 3.1 Disassembly stand unit and Rear cabinet Ass’y……………………………………………..6 3.2 Disassembly the metal parts and attached Ass’y……………………………………………….7 3.3 Disassembly the board Ass’y…………………………………………………………………..8 3.4 Harness picture……………………………………………………………………………………..8 3.5 Tearing off the LVDS cable with silicon………………………………………………………….9...

  • Page 3: Important Service Safety Precaution

    Sharp LC-60LE450U/LC-60LE452U Service manual IMPORTANT SERVICE SAFETY PRECAUTION Service work shoud be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which are as follows: WARNING 1..For continued safety,no modification of any circuit earth ground,such as electrical or electrical ..should be attempted.

  • Page 4: Function Diagram

    Sharp LC-60LE450U/LC-60LE452U Service manual 1.Function Diagram 1 Function of Board： 1) Image Board(M/B)：Control all input signals, Decode the video signal, De-interlace, and send digital signal (LVDS signal) sent from image Board and display; 2) Panel：Display all image; 3) Key Pad Board： POWER、SOURCE、MENU、Channel +/-、VOL+/-;...

  • Page 5: System Block

    Sharp LC-60LE450U/LC-60LE452U Service manual 2、System block...

  • Page 6: Disassembly Stand Unit And Rear Cabinet Ass'y

    Sharp LC-60LE450U/LC-60LE452U Service manual 3. Disassembly the TV set method 3.1 Disassembly stand unit and Rear cabinet Ass’y. Step 1 Remove 6 pcs lock screws ① and detach the Plastic Base Stand Componet ② Step 2 Remove 15 pcs lock screws ③ , 1 pcs lock screw ④ , 6 pcs lock screws ⑤ , 4 pcs lock screws ⑥...

  • Page 7: Disassembly The Metal Parts And Attached Ass'y

    Sharp LC-60LE450U/LC-60LE452U Service manual 3.2 Disassembly the metal parts and attached Ass’y. Removing the screen bridge piece L/R, Bracket of base, Speaker Bracket L/R, Speaker, IR Board, Presses key module, Hanging bracket, Front Cabinet Assembly. Step 1 Remove 5 pcs lock screws ① and detach the screen bridge piece L/R ②/③...

  • Page 8: Disassembly The Board Ass'y

    Sharp LC-60LE450U/LC-60LE452U Service manual 3.3 Disassembly the Power, Main, 120Hz board, board support and I/O terminal bracket. Step 1 Remove 8 pcs lock screws ① and detach the power board assembly ② Step 2 Remove 4 pcs lock screws ③ and detach the 120Hz board ④...

  • Page 9: Tearing Off The Lvds Cable With Silicon

    Sharp LC-60LE450U/LC-60LE452U Service manual 3.5 Tearing off the LVDS cable with silicon Step 1 Put the art knife aside the LVDS’s connector, and cut the silicon apart. As photo 3.4. Note：Don’t damage the main board and cable when cut the silicon apart with art knife.

  • Page 10: Basic Schematic Of Port

    Sharp LC-60LE450U/LC-60LE452U Service manual 4 Basic schematic of port 4.1 Power circuit 4.1.1 Power Input 4.1.2 Power Supply...
  • Page 11 Sharp LC-60LE450U/LC-60LE452U Service manual...

  • Page 12: Reset Circuit

    Sharp LC-60LE450U/LC-60LE452U Service manual 4.1.3 Inverter 4.1.4 Tuner power 4.2 Reset circuit...

  • Page 13: Ir&Key Circuit

    Sharp LC-60LE450U/LC-60LE452U Service manual 4.3 IR&KEY circuit...

  • Page 14: Vga Input

    Sharp LC-60LE450U/LC-60LE452U Service manual 4.4 VGA INPUT 4.4.1 VGA Interface 4.4.2 PC Audio 4.5 SPDIF OUTPUT...

  • Page 15: Av& Ypbpr

    Sharp LC-60LE450U/LC-60LE452U Service manual 4.6 AV& YPBPR...

  • Page 16: Hdmi Circuit

    Sharp LC-60LE450U/LC-60LE452U Service manual 4.7 HDMI circuit...

  • Page 17: Usb Circuit

    Sharp LC-60LE450U/LC-60LE452U Service manual 4.8 USB Circuit 4.9 AMP Circuit...

  • Page 18: Main Controller Msd3393Lu

    Sharp LC-60LE450U/LC-60LE452U Service manual 4.10 Main controller MSD3393LU...

  • Page 19: Trouble Shooting Table

    Sharp LC-60LE450U/LC-60LE452U Service manual 5 Trouble shooting table 5.1 Power Troubleshooting Check the external power supply（12V/5V/5VS） Check the power Main Board Check the voltage (3.3V) of U8 Repair the electric circuit (5V) of L2 Check the voltage (1.8V) of Repair the...

  • Page 20: Display Troubleshooting

    Sharp LC-60LE450U/LC-60LE452U Service manual 5.2 Display Troubleshooting 5.2.1 Display Troubleshooting (Dazzling Screen) 1.Check the LVDS cable 2.Check the connection of the LVDS cable 1.Change the correct LVDS Cable 2.Connect the LVDS Cable correctly 1.Check the screen voltage 2.Check if the software fit with the screen's feature correctly 1.Repair the circuit of screen voltage...
  • Page 21 Sharp LC-60LE450U/LC-60LE452U Service manual 5.2.2 Display Troubleshooting (White Screen) Check the screen voltage of J2 Check the external Check the LVDS signal circuit of Q1 circuit of J2 Repair the Repair the LVDS Change Change external signal circuit of J2 circuit of 5.2.3 Display Troubleshooting (Black Screen)

  • Page 22: Audio Troubleshooting

    Sharp LC-60LE450U/LC-60LE452U Service manual 5.3 Audio Troubleshooting（No Sound） Check the Audio input Change or Debug Check if it is the Audio input on Mute Turn off Mute Check J8 Audio output 1.Check the connection of speaker cables Check the voltage 2.Check the speakers...

  • Page 23: Function Troubleshooting

    Sharp LC-60LE450U/LC-60LE452U Service manual 5.4 Function Troubleshooting 5.4.1 Function Troubleshooting（No work） No work 1.Keyboard no work 2.R/C no work 1.Check the Keyboard 2.Check the Remote control board Check the voltage (5V,3.3V,1.8V,1.2V) Please check the Power Troubleshooting 1.Check the timing signal 2.Check the reset circuit...
  • Page 24 Sharp LC-60LE450U/LC-60LE452U Service manual 5.4.2 Function Troubleshooting（No Search Channels） No Search Channels Check RF signal Debug RF signal machine 1.Check the U5 voltage (3.3V) 2.Check the U7 voltage (3.3V) 1.Repair the U5 voltage (3.3V) 2.Repair the U7 voltage (3.3V) 1.Check U7 I2C 2.Check U3 I2C...
  • Page 25 Sharp LC-60LE450U/LC-60LE452U Service manual 5.4.3 Function Troubleshooting（PC problem） PC problem Check the input machine Debug the input signal Check PC input cable Change PC input cable PC lose colour Picture not in PC picture No signal center flicker Check the PC...
  • Page 26 Sharp LC-60LE450U/LC-60LE452U Service manual 5.4.4 Function Troubleshooting（HDMI、AV） HDMI No signal AV No signal Check the input Check the input signal signal Debug the signal Debug the signal input Check the input Check the input cables cable Change the cable Change the cable...
  • Page 27 Sharp LC-60LE450U/LC-60LE452U Service manual 5.4.5 Function Troubleshooting（YPbPr） YPbPr No signal YPbPr lose colour correct Debug the Check the Check the input signal signal input signal input Check the Check the Change the input cable input cable input cable adjustment Check YPbPr circuit...
  • Page 28 Sharp LC-60LE450U/LC-60LE452U Service manual 5.4.6 Function Troubleshooting（USB，SPDIF） USB No signal SPDIF No signal Check SPDIF Check if there are signal input multimedia files in USB disk Debug SPDIF Put the correct signal input multimedia files in USB disk Check SPDIF...

  • Page 29: Software Update Procedure

    Sharp LC-60LE450U/LC-60LE452U Service manual 6. Software update procedure 6.1 Enter factory menu mode method 6.1.1 Press “MENU + 0000” display factory menu as photo 6.1 This factory menu contain following functions 1) Check software Version as photo 6.2 2) VGA or Ypbpr ADC Adjust...
  • Page 30 Sharp LC-60LE450U/LC-60LE452U Service manual 6.2.2 Software update steps Step 1 Insert the USB memory device with the update file into the Service terminal on the TV. Step 2 Press " INPUT " to display the Input Source list menu, and then press 2580 4-digit secret number with the number buttons on the remote control to display the factory menu as photo 6.3...

  • Page 31: Connector Define

    Sharp LC-60LE450U/LC-60LE452U Service manual 7. Connector define J1. AMPLIFIER POWER SUPPLY CONNECTOR (4PIN/2.54)
  • Page 32 Sharp LC-60LE450U/LC-60LE452U Service manual J2.LVDS INTERFACE (2×15PIN/2.0)
  • Page 33 Sharp LC-60LE450U/LC-60LE452U Service manual J4. INVERTER CONNECTOR(6PIN/2.0) J6 BUILT-IN POWER SUPPLY CONNECTOR(10PIN/2.54) J8. SPEAKER CONNECTOR(4PIN/2.54)/(BTL)

  • Page 34: Critical Components List

    Sharp LC-60LE450U/LC-60LE452U Service manual J12. KEY&IR BOARD CONNECTOR(14PIN/2.0) 8. Critical components list 8.1 Critical components list for Main Board 1、EMC list of key components number name Material Specifications Supplier MSD3393LU 24MHz +-20PPM 20PF HC 49US 24MHz +-20PPM 20PF HC 49US...

  • Page 35: Critical Components List For Power Board

    Sharp LC-60LE450U/LC-60LE452U Service manual NT5TU32M16DG-AC NANYA NANYA H5PS5162GFR-S5C HYNIX HYNIX DDR2 512 K4T51163QJ-BCF7 SAMSUNG SAMSUNG W9751G6JB-25 WINBOND Winbond Audio Amplifier TPA3110L 8.2 Critical components list for Power Board...
  • Page 36 Sharp LC-60LE450U/LC-60LE452U Service manual...
  • Page 37 Sharp LC-60LE450U/LC-60LE452U Service manual...
  • Page 38 Sharp LC-60LE450U/LC-60LE452U Service manual...
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  • Page 40 Sharp LC-60LE450U/LC-60LE452U Service manual...
  • Page 41 Sharp LC-60LE450U/LC-60LE452U Service manual...

  • Page 42: Mechanical Explosion Diagram

    Sharp LC-60LE450U/LC-60LE452U Service manual 9. Mechanical Explosion Diagram 9.1 TV Set Explosion Diagram...
  • Page 43 Sharp LC-60LE450U/LC-60LE452U Service manual TV Set Explosion Diagram parts description...

  • Page 44: Packing Explosion Diagram

    Sharp LC-60LE450U/LC-60LE452U Service manual 9.2 Packing Explosion Diagram...

  • Page 45: Supplied Accessories

    Sharp LC-60LE450U/LC-60LE452U Service manual 10. SUPPLIED ACCESSORIES...

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