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Sharp LC-60LE450U/LC-60LE452U Service manual

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Содержание Aquos LC-60LE450U

Страница 1: ...Sharp LC 60LE450U LC 60LE452U Service manual 1 LED COLOR TELEVISION SERVICE MANUAL LC 60LE450U LC 60LE452U 60 FHD 120HZ LED TV ...

Страница 2: ...4 VGA INPUT 14 4 5 SPDIF OUTPUT 14 4 6 AV YPBPR 15 4 7 HDMI Circuit 16 4 8 USB Circuit 17 4 9 AMP Circuit 17 4 10 Main controller MSD3393LU 18 5 Trouble shooting table 5 1 Power Troubleshooting 19 5 2 Display Troubleshooting 20 5 3 Audio Troubleshooting 22 5 4 Function Troubleshooting 23 6 Software update procedure 6 1 Enter factory menu mode method 29 6 2 Software update procedure 29 7 Connector ...

Страница 3: ...f completing these checks Any reading of 0 75V peak this corresponds to 0 5 BEFORE RETURNING THE RECEIVER 1 mA peak AC or more is excessive and indicates Fire Shock Hazard a potential shock hazard which must be corrected before returning the monitor to the owner Before returning the receiver the user should perform the following safety checks 1 Inspect all lead dress to make certain that leads are...

Страница 4: ...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 4 IR Board Receive IR Signal LED R G 5 Inverter and Power the Power Supply for Panel Image Board ...

Страница 5: ...Sharp LC 60LE450U LC 60LE452U Service manual 5 2 System block ...

Страница 6: ...d unit and Rear cabinet Ass y Step 1 Remove 6 pcs lock screws and detach the Plastic Base Stand Componet Step 2 Remove 15 pcs lock screws 1 pcs lock screw 6 pcs lock screws 4 pcs lock screws 6 pcs lock screws and detach the Rear Cabinet Ass y The detail screws sign as following picture3 1 Picture 3 1 ...

Страница 7: ...he screen bridge piece L R Step 2 Remove 6 pcs lock screws 2 pcs lock screws and detach the bracket of base Step 3 Remove 16 pcs lock screws and detach the hanging bracket Step 4 Remove 4 pcs lock screws and detach the Speaker bracket L R 11 12 Remove 4 pcs lock screws and detach the speaker 13 Step 5 Remove 5 pcs lock screws 14 Remove the IR Board cable 15 Presses key module 16 and detach the Fro...

Страница 8: ...wer board assembly Step 2 Remove 4 pcs lock screws and detach the 120Hz board Step 3 Remove 4 pcs lock screws 2 pcs lock screws and detach the main board Step 4 Remove 4 pcs lock screws and detach the main board support Step 5 Remove 2 pcs lock screws and detach the I O terminal bracket 11 The detail screws and parts sign as following picture3 3 Picture 3 3 3 4 Harness picture ...

Страница 9: ...the main board as photo 3 5 Note To avoid the damage of the pins of LVDS connector please be care and should be vertical force when pull off the LVDS cable Step 3 Put the art knife aside the main board and cut the silicon apart between the main board and silicon Remove the silicon As photo 3 6 Note Don t damage the main board and the pin of the connector when cut the silicon apart with art knife M...

Страница 10: ...Sharp LC 60LE450U LC 60LE452U Service manual 10 4 Basic schematic of port 4 1 Power circuit 4 1 1 Power Input 4 1 2 Power Supply ...

Страница 11: ...Sharp LC 60LE450U LC 60LE452U Service manual 11 ...

Страница 12: ...Sharp LC 60LE450U LC 60LE452U Service manual 12 4 1 3 Inverter 4 1 4 Tuner power 4 2 Reset circuit ...

Страница 13: ...Sharp LC 60LE450U LC 60LE452U Service manual 13 4 3 IR KEY circuit ...

Страница 14: ...Sharp LC 60LE450U LC 60LE452U Service manual 14 4 4 VGA INPUT 4 4 1 VGA Interface 4 4 2 PC Audio 4 5 SPDIF OUTPUT ...

Страница 15: ...Sharp LC 60LE450U LC 60LE452U Service manual 15 4 6 AV YPBPR ...

Страница 16: ...Sharp LC 60LE450U LC 60LE452U Service manual 16 4 7 HDMI circuit ...

Страница 17: ...Sharp LC 60LE450U LC 60LE452U Service manual 17 4 8 USB Circuit 4 9 AMP Circuit ...

Страница 18: ...Sharp LC 60LE450U LC 60LE452U Service manual 18 4 10 Main controller MSD3393LU ...

Страница 19: ...K Repair the electric circuit 5V of L2 NG Check the voltage 1 8V of U4 Repair the electric circuit 3 6V of U5 OK 1 Check the voltage 5V 2 Check the voltage 1 2V of U6 3 Check the voltage 3 3V of U8 4 Check the voltage 1 8V of U4 NG 1 Repair the electric circuit 5V 2 Repair the electric circuit 1 2V of U6 3 Repair the electric circuit 3 3V of U8 4 Repair the electric circuit 1 8V of U4 Main Board ...

Страница 20: ...ge the LED LCD panel OK 1 Check J2 2 Check the LVDS signal of J2 NG Check LED LCD panel NG OK 1 Check the connection of J2 2 Check the circuit of PCB 3 Change U8 OK 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 NG 1 Repair the circuit of screen voltage 2 Update the correct software ...

Страница 21: ...k the LVDS signal circuit of J2 OK Check the external circuit of Q1 NG OK Check the cables Repair the circuit of 1st 2nd 3rd pin of J2 1 Check the driving voltage of power board 2 Check the backlight 1 Change power board 2 Change backlight board OK NG OK NG Repair the LVDS signal circuit of J2 Check the screen voltage of J2 Repair the external circuit of Q8 NG Change Q1 OK Change U8 ...

Страница 22: ... U2 Change or Debug the Audio input OK Check the Audio input NG Check if it is on Mute OK Turn off Mute OK Check J8 Audio output NG 1 Check the connection of speaker cables 2 Check the speakers Check the voltage 12V of U2 NG Repair the voltage 12V circuit of U2 OK 1 Check the voltage 12V of Pin 15 16 of U2 2 Check the voltage 12V of Pin 27 28 of U2 NG 3 Repair the circuit of Pin 15 16 27 28 of U2 ...

Страница 23: ...o work NG Check the software OK Update the correct software OK OK Change U3 NG 1 Check the Keyboard 2 Check the Remote control board OK NG Check the voltage 5V 3 3V 1 8V 1 2V Please check the Power Troubleshooting NG 1 Check the timing signal 2 Check the reset circuit 3 Check the reset circuit 1 Repair the timing signal 2 Repair the reset circuit OK ...

Страница 24: ... signal 1 Repair U7 or U3 I2C circuit 2 Check the connection of U7 or U3 3 Change U7 or U3 1 Check U7 I2C 2 Check U3 I2C 1 Repair the U5 voltage 3 3V 2 Repair the U7 voltage 3 3V 1 Check the U5 voltage 3 3V 2 Check the U7 voltage 3 3V Debug RF signal machine No Search Channels Check RF signal OK NG NG NG OK 1 Check the connection of U7 2 Check the connection of U3 NG 1 Welding U7 2 Welding U3 OK C...

Страница 25: ...the PC synchronizing signal circuit Check the PC synchronizing signal Change U3 Repair the PC synchronizing signal circuit Check the PC synchronizing signal PC picture not in center Change PC input cable Debug the input signal Check PC input cable No signal ADC Adjustment PC picture flicker ADC adjustment Picture not in center Repair RGB Circuit Check RGB circuit PC lose colour ADC adjustment ...

Страница 26: ... connector OK Check the input cables Change the cable NG OK OK Repair HDMI circuit NG Change U3 AV No signal Change U3 Change the cable NG NG NG Check AV circuit Debug the signal OK Check the input signal Repair AV circuit OK Check the input cable OK OK Check the input signal HDMI No signal Check HDMI circuit Debug the signal input ...

Страница 27: ...r YPbPr No signal YPbPr lose colour correct NG Check the input cable OK ADC adjustment OK Check YPbPr circuit NG Check the input cable Change the input cable NG OK OK OK Check the signal input NG NG Check the signal input Debug the input signal OK Repair YPbPr circuit OK Change U3 NG ...

Страница 28: ...ut the correct multimedia files in USB disk OK NG Check USB CONNECT OR OK Change USB connector NG Check the USB voltage 5V OK Repair the USB circuit 5V Check USB circuit NG SPDIF No signal Check SPDIF connector NG OK Change SPDIF cable Check SPDIF cable NG OK NG Check SPDIF signal input OK Change U3 Debug SPDIF signal input OK Repair SPDIF circuit Check SPDIF circuit NG OK Change SPDIF connector ...

Страница 29: ...ering burning mode 5 Factory Reset Photo 6 1 Photo 6 2 6 2 Software update procedure 6 2 1 Software update cautions 1 Do not remove the USB memory device or unplug the AC cord while the software is being updated 2 Be sure to properly follow the whole procedure described below step by step Otherwise For example the TV can not read the data in the USB memory device and software updating will fail 3 ...

Страница 30: ...rce 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 Step 3 Press Yes to start update as photo 6 4 and waiting the update progress as photo 6 5 until show 100 Step 4 Remove the USB memory device Step 5 Turn off the power and unplug the AC cord Plug the AC cord again and turn the power back on Photo 6 3 Photo ...

Страница 31: ...Sharp LC 60LE450U LC 60LE452U Service manual 31 7 Connector define J1 AMPLIFIER POWER SUPPLY CONNECTOR 4PIN 2 54 ...

Страница 32: ...Sharp LC 60LE450U LC 60LE452U Service manual 32 J2 LVDS INTERFACE 2 15PIN 2 0 ...

Страница 33: ...Sharp LC 60LE450U LC 60LE452U Service manual 33 J4 INVERTER CONNECTOR 6PIN 2 0 J6 BUILT IN POWER SUPPLY CONNECTOR 10PIN 2 54 J8 SPEAKER CONNECTOR 4PIN 2 54 BTL ...

Страница 34: ...LU MST 2 Crystal 24MHz 20PPM 20PF HC 49US RS 24MHz 20PPM 20PF HC 49US ZG 24MHz 20PPM 20PF HC 49US TJ 16MHz 10PPM 20PF HC 49US ZG 16MHz 10PPM 20PF HC 49US RS 16MHz 10PPM 20PF HC 49US TJ 3 Tuner TDA 18274 NXP SI2158 SILICONLABS 2 requirements of safety specifications number name Material Specifications Supplier 1 PCB CV3393BH C 11 3 Other key components number name Material Specifications Supplier 1...

Страница 35: ...E452U Service manual 35 2 DDR2 512 NT5TU32M16DG AC NANYA NANYA H5PS5162GFR S5C HYNIX HYNIX K4T51163QJ BCF7 SAMSUNG SAMSUNG W9751G6JB 25 WINBOND Winbond 3 Audio Amplifier TPA3110L TI 8 2 Critical components list for Power Board ...

Страница 36: ...Sharp LC 60LE450U LC 60LE452U Service manual 36 ...

Страница 37: ...Sharp LC 60LE450U LC 60LE452U Service manual 37 ...

Страница 38: ...Sharp LC 60LE450U LC 60LE452U Service manual 38 ...

Страница 39: ...Sharp LC 60LE450U LC 60LE452U Service manual 39 ...

Страница 40: ...Sharp LC 60LE450U LC 60LE452U Service manual 40 ...

Страница 41: ...Sharp LC 60LE450U LC 60LE452U Service manual 41 ...

Страница 42: ...Sharp LC 60LE450U LC 60LE452U Service manual 42 9 Mechanical Explosion Diagram 9 1 TV Set Explosion Diagram ...

Страница 43: ...Sharp LC 60LE450U LC 60LE452U Service manual 43 TV Set Explosion Diagram parts description ...

Страница 44: ...Sharp LC 60LE450U LC 60LE452U Service manual 44 9 2 Packing Explosion Diagram ...

Страница 45: ...Sharp LC 60LE450U LC 60LE452U Service manual 45 10 SUPPLIED ACCESSORIES ...

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