LG HF85LA Service Manual Download Page 8

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Only for training and service purposes.

EXPLODED VIEW

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These

parts are identified by in the EXPLODED VIEW.

It is essential that these special safety parts should be replaced with the same components as

recommended in this manual to prevent Shock, Fire, or other Hazards.

Do not modify the original design without permission of manufacturer.

IMPORTANT SAFETY NOTICE

AR2

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Summary of Contents for HF85LA

Page 1: ...oses CONFIDENTIAL Any reproduction duplication distribution including by way of email facsimile or other electronic means publication modification copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual The material covered by this prohibition includes without l...

Page 2: ...c All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 SOFTWARE UPDATE 6 BLOCK DIAGRAM 7 EXPLODED VIEW 8 DISASSEMBLY GUIDE 9 ASSEMBLY GUIDE 10 TROUBLE SHOOTING GUIDE 11 ...

Page 3: ...e the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such ...

Page 4: ...3 Test method 1 Performance LGE PROJECTOR test method followed 2 Required other specification Safety KCC IEC CE specification EN55022 Class B CCC EMC KCC IEC CE specification EN60950 1 CCC Wireless WIFI module Bluetooth module Korea NA 4 Model General Specification No Item Specification Remark Min Typ Max Unit 1 Video input applicable system ATSC NTSC HF85LA KR only ATSC NTSC M 64 256QAM HF85LA NA...

Page 5: ...ng HDMI DTV 1 640 480 31 46 59 94 25 12 SDTV 480P 2 640 480 31 5 60 00 25 12 SDTV 480P 3 720 480 31 47 59 94 27 SDTV 480P 4 720 480 31 5 60 00 27 02 SDTV 480P 5 720 576 31 25 50 00 27 SDTV 576P 6 1280 720 44 96 59 94 74 17 HDTV 720P 7 1280 720 45 60 00 74 25 HDTV 720P 8 1280 720 37 5 50 00 74 25 HDTV 720P 9 1920 1080i 28 12 50 00 74 25 HDTV 1080I 10 1920 1080i 33 72 59 94 74 17 HDTV 1080I 11 1920 ...

Page 6: ...y 4 Select the INSTALL button USB UPDATE IN PROGRESS window is displayed and then update is started 5 Select the Check Now button you can check the update progress 6 When update progress is completed NEW UPDATE INSTALLED is displayed and select the YES button then Projector will be restarted 7 If Content list like a Picture 5 is displayed select the x button and keep going on update If Projector h...

Page 7: ...X tal 24Mhz ACCELEROMETER Audio AMP IC700 X tal 32Mhz PMIC IC1004 Serial Flash 32Mb Serial Flash 32Mb Oscillator 24Mhz LVDS I2C TTL SPI I2C WU ˉG DMD I2C WIFI Bluetooth Combo PROJ_ON Headphone DC_IN HDMI HDMI ARC Tuner TDJS_H601F USB2 0 Type A 3W SPK 3W RJ45 Main L R USB2 0 Type A SPDIF OUT SPI Jack X tal 32 768Khz I2C I2S Phosphor Wheel LD 35V 3 0 A Wheel Driver IC1009 Oscillator 2Mhz CWI LD Driv...

Page 8: ...aracteristics These parts are identified by in the EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE AR2 300 310 320 530 700 100 800 400 120 130 600 540 550 510 560 590 570 ...

Page 9: ...the jig Because of Hook structure Screw 3 Separate out the rear case from top case Need to spread both sides to prevent the damage of top case s hook 4 Remove the 4 screws from mid case 5 Separate out the engine from top case 6 Remove the screws separate out the PCB 7 Remove the top case s 4 pcs screws 8 Separate out the engine from middle case and then disassembly complete ...

Page 10: ...ngine Φ3 screw 4ea 2 Joystick Middle case Φ2 screw 2ea 3 Jack B D Middle case Φ2 6 Screw 3ea 4 Middle case Fan Speaker 5 Middle Case Combo Assemble 6 Main B D Middle case Φ2 6 Screw 5ea Bottom side Right side Left side Combo module JEEMF DBTF 5PQ BTF Φ TDSFX FB PPL 4DSFX 8 Rear Bracket Top Case 9 Bottom Assy Φ2 6 Screw 4ea ...

Page 11: ...2 40 Jack Board Cannot Working Remote Controller Sound out AV SPDIF Wired Lan and DTV Tuner 3 P1003 3 P W Index No Image DMD Lock by Detecting Phospher wheel trouble 4 P1002 4 P W Motor No Image DMD Lock by Detecting Phospher wheel trouble 5 P700 4 Speaker No sound Internal Speakers 6 P601 10 Local Key Local Key doesn t work or may be worked abnormally 7 P600 6 IR Board Cannot Work Remote Controll...

Page 12: ...k Board Ass y RDUG FRQQHFWLRQ SRLQW 9 10 11 No Circuit Number Pin count Connections Symptoms of a bad connection 9 P102 8 LD Bank Laser Lamp doesn t Work 10 P101 20 Main Board Laser Lamp doesn t Work Set turns off automatically 11 P50 40 Main Board Cannot Working Remote Controller Sound out AV SPDIF Wired Lan and DTV Tuner ...

Page 13: ...ngine replacement Yes Yes Temp No No DMD connection check To check the Phenomena Please check power off status in the In Start mode as quickly as possible while Set working A light source on but No image A light source does not turn on Driver connection check Main b d defect check Main b d defect check FAN Joystick LED Works No No Yes Adapter Power 19V A Light Source turned on No Yes Main b d defe...

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