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LG HX300G Service Manual
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LG HX300G Service Manual

Chassis : fm92a
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DLP PROJECTOR
SERVICE MANUAL
CHASSIS : FM92A
MODEL : HX300G
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL63262001(1003-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
HX301G
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
HX300G-JE
HX301G-JE
Printed in Korea

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Summary of Contents for LG HX300G

  • Page 1 North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com DLP PROJECTOR SERVICE MANUAL CHASSIS : FM92A MODEL : HX300G HX300G-JE MODEL : HX301G HX301G-JE CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL63262001(1003-REV00) Printed in Korea...

  • Page 2: Table Of Contents

    CONTENTS CONTENTS .......................2 SAFETY PRECAUTIONS .................3 SPECIFICATIONS.....................4 ADJUSTMENT INSTRUCTION.................5 BLOCK DIAGRAM..................10 EXPLODED VIEW ...................11 CIRCUIT DIAGRAM .................... Copyright © 2010 LG Electronics Inc. All rights reserved. - 2 - LGE Internal Use Only Only for training and service purposes...

  • Page 3: Safety Precautions

    An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright © 2010 LG Electronics Inc. All rights reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Specifications

    AC 100 – 240(± 10%)V, 50/ 60Hz Market World wide Picture size Aspect ratio Operating Temperature Operating Humidity Storage Temperature 10. Storage Humidity Copyright © 2010 LG Electronics Inc. All rights reserved. - 4 - LGE Internal Use Only Only for training and service purposes...

  • Page 5: Adjustment Instruction

    Tools : Cross Screw Driver, Glue <Fig. 4-3> Illuminator Left/Right Adjustment Sequence <Fig. 4-1> Lighting system adjustment part by lighting lens Copyright © 2010 LG Electronics Inc. All rights reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
  • Page 6 (3) Don’t clean the DMD with the high pressure. The static electricity and pressure will damage the DMD. <Fig. 4-6> Method of illumination meter fixation Copyright © 2010 LG Electronics Inc. All rights reserved. - 6 - LGE Internal Use Only...
  • Page 7 (Fig. 9-1) Equipment Composition (Fig. 7-1) Selection Category on ADJ Menu (Left) (Fig. 7-2) Selection Category on ADJ Adjustment Menu (Right) Copyright © 2010 LG Electronics Inc. All rights reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 (Fig. 9-3) (1) Brightness(Annsi-Lumen) (2) Whiteness color coordinate(KAGA measures R,G,B color coordinate) (3) Color Uniformity (4) Brightness Uniformity Copyright © 2010 LG Electronics Inc. All rights reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 60 1C 16 20 58 2C 25 00 C4 8E 21 00 00 9E 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2A Copyright © 2010 LG Electronics Inc. All rights reserved. - 9 -...

  • Page 10: Block Diagram

    BLOCK DIAGRAM Copyright © 2010 LG Electronics Inc. All rights reserved. - 10 - LGE Internal Use Only Only for training and service purposes...

  • Page 11: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics Inc. All rights reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR FRONT END THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 13 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR S6 GPIO THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PIO / DPP6400 FRONT END Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 14 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. S6 DDR2 S6 DDR2 Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. POWER POWER Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 16 DPP6400 FLASH MEMORY THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. & AUDIO BLOCK 6400 MEMORY & AUDIO AMP Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 17 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DPP GPIO PP6400 GPIO / DMD INTERFACE Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 18 2009.10.08 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR DMD(S450) THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 19 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR JACK THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 20 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LED DRIVER LED Driver Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR TEMP SENS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2010 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 23 ’10.9.16 ’10.9.16 Projector SVC – HX300G, HX301G HX350K < Contents > 1. HX300 Features 2. SET Assembly Diagram 3. Trouble Shooting Guide 4. S/W Download LG Electronics/ LCD TV Division Projector Business Team...
  • Page 24 1.HX300 Features Projection System General Specification Korean/ English / French/ Spanish/ German/Italian/ Swedish / Display Technology DLP / 0.55 inch DMD Portuguese / Chinese Simplified/polski/ Brazilian Portuguese/ Native Resolution) XGA (1024X768) Japanese/Russian/Greek/Arabic/Turkish/Taiwan Chinese Brightness (ANSI-Lumens) Aspect Ratio Control 4:3 / 16:9 Contrast Ratio 2000:1 Sound...
  • Page 25 1.HX300 Features -Terminals Audio out Video in HeadSet Earphone Digital Camera Speaker Smart Phone Audio in Memory Card HDMI Power in Adapter / External battery Blu-ray/DVD Player Game console Settop Box (HX300 can operate 2 hours when powered by external battery) Digital Settop Box 2 / 51...
  • Page 26 1.HX300 Features - Advanced Color Control You can set up the picture as you like it to be with LG’s very detail Expert control mode. ▲ White Balance Warm ▲ • Method 2 Points Picture Mode Expert1 Color Management system : 70 ▲...
  • Page 27 1.HX300 Features – Projection Distance -Throw Ratio = 1.35 (40” size at 1.1m) -Projection Offset 110% 20” 30” 40” 50” 60” 70” 80” 90” 100” 0.55 0.82 1.10 1.37 1.66 1.92 2.20 2.47 2.75 4 / 51...
  • Page 28 1.HX300 Features – Using USB 2.0, DivX HD USB Ext. HDD Memory card USB Memory 5 / 51...
  • Page 29 1.HX300 Features – Wide Keystone HX300 ±40’ keystone correction means wider projection scenes, as compared with conventional projectors keystone ±12’, giving you a 28% increase. HX300 6 / 51...
  • Page 30 1.HX300 Features – FM Wireless Audio You can utilize any audio device with the built-in wireless FM receiver. FM Wireless Audio : On ⊙ Frequency Volume Balance Treble * HX300 also has a built-in 1W+1W stereo speaker. 7 / 51...
  • Page 31 1.HX300 Features – Various aspect ratio HX300 has various aspect ratio fitting into any input signal. Zoom Enlarge screen up to 115% Set up aspect ratio by scanning input signal just as it is. Set up aspect ration as you Enlarge screen up to program it would be.
  • Page 32 2.SET Assembly Diagram - Overview 1. Set Size and exterior shape BOX SIZE : 310(W) X 236(D) X 110(H) SET SIZE : 160(W) X 135.5(D) X 57.5(H) 61(H) if including Foot 9 / 51...
  • Page 33 2.SET Assembly Diagram - Function Positioning ▶ Menu (Tact button) ▶ 4 Directional tact Button ▶ OK (Tact button) ▶ Power (Tact button) ▶ AV connector ▶ FOCUS adjust ▶ IR reception ▶ Sliding Door ▶ Ceiling Mount insert (4ea) ▶...
  • Page 34 2.SET Assembly Diagram – Label & Kensington ▶ Kensington Lock part Hole Label size 45 x 80 45 x 25 40 x 15 ▶ Label attachment part 11 / 51...
  • Page 35 2.SET Assembly Diagram - Explode View 1. Top Case Ass’y 1. Top Case Ass’y 2. Keypad(Button)/FM Transmitter Module 2. Keypad(Button)/FM Transmitter Module 3. Engine Ass’y 3. Engine Ass’y 4. Speaker (1W * 2 ea) 4. Speaker (1W * 2 ea) 5.
  • Page 36 2.SET Assembly Diagram - Ass'y assembly structure and method 1. Engine Ass'y Assembly 2. Top Ass'y Preparation 3. Top case + Engine Ass'y : Engine Ass'y, Fan,Speaker Assembl : DMD Ass'y, LED H/S Ass'y Assembly : Keypad Ass'y, Door Ass'y 4.
  • Page 37 2.SET Assembly Diagram - Cabling(1) –LED cable LED Cable R LED Cable B LED Cable G LED Power CONNECTOR 14 / 51...
  • Page 38 2.SET Assembly Diagram - Cabling(2) <How to tell left and right – Front Part in the picture below> Speaker If short and Blue – left CONNECTOR If long and Gray - right Temp Board Assemble as CONNECTOR the condenser connected to Speaker is entirely inserted into the gap of the engine part...
  • Page 39 2.SET Assembly Diagram - Cabling(3) CONNECTOR for inspection Front Part (not used during mass production) Temp Board CONNECTOR LED Board CONNECTOR DMD CONNECTOR Keypad CONNECTOR FAN CONNECTOR LED Power Speaker CONNECTOR CONNECTOR Rear Part 16 / 51...
  • Page 40 2.SET Assembly Diagram – HX300 SVC Parts PCB P/N : EAX61153301 PCB P/N : EAX61420101 PCB P/N : EAX61340601 Main board Ass'y TEMP B/D DMD B/D Shape Ass'y EBT60934901 EBT60935201 EBT60945101 (including 80p cable) Shape Ass'y EBT60930501 (including 5 types of cables) 17 / 51...
  • Page 41 2.SET Assembly Diagram – Sub Ass'y(1) PCB P/N : EAX61153301 PCB P/N : EAX61420101 PCB P/N : EAX61340601 TEMP B/D Jack B/D DMD B/D JK16 : Service Port (USB) To Main B’d : 80PIN * PCB color : Black Bottom No Part No Part 18 / 51...
  • Page 42 2.SET Assembly Diagram – Sub Ass'y(2) PCB P/N : EAX61186802 LED B/D To Main B’d : 20PIN GREEN BLUE Bottom To Main B’d : 6PIN For LED Power 19 / 51...
  • Page 43 2.SET Assembly Diagram - Cooling ▶ According to the Slim Layout Composition of the product, compose the cooling flow path of Suction type for more efficient cooling of the Compact internal parts. Left side Right side intake discharge HX300 Flow Path Structure 20 / 51...
  • Page 44 2.SET Assembly Diagram – Engine Ass'y Shaping Engine Assembly Composition Engine Assembly Composition 21 / 51...
  • Page 45 2.SET Assembly Diagram Engine Shape Engine Ass'y Final Assembly Work Heatsink B Heatsink DMD DMD Ass'y Engine Module Heatsink G Heatsink R 22 / 51...
  • Page 46 2.SET Assembly Diagram – Fan Working Method 1. Arrange FAN LEAD. 2. Attach GASKET. 3. Attach FAN + SPONGE GASKET Verify direction (Insert for the direction without FAN (Top/Bottom) LABEL toward MAIN BOARD) 4. Verify Work Contents. (Remove foreign objects, verify work quality) 삽입...
  • Page 47 2. SET Assembly Diagram – Speaker cushion Work Method Speaker Cushion Work related It is the part directly related to Speaker vibration, and caution is required during the work. MDS57798414 2ea PU SPONGE 42*22*5t POLYURETHAN Front Back SPONG GASKET shall not be Attached on the front of the SPEAKER.
  • Page 48 3. Trouble Shooting Guide <Contents> Symptom 1 Symptom 2 Remark No Power No Stand-by LED No Image Vertical / horizontal line Image Defect Color Defect Trouble with FAN Turn On Error Trouble with Temperature Connector - Trouble Adjust Remote Controller 25 / 51...
  • Page 49 Repair Process A. No Power Making Projector Symptom No Stand-by LED Revision If the SET doesn’t start up, with no stand-by LED Check Power cord connection If OK After separating SET and Adapter, verify Adapter power(19V) Replace Replace Adapter Main Ass‘y 26 / 51...
  • Page 50 Repair Process B. No Image Making Projector Symptom Revision Keypad loading white LED is OK, But no image Light Source LED is on, Light Source LED is not on but there is no image ③ Check LED board Check DMD connection cable ①...
  • Page 51 Repair Process C. Image Defect Making Projector Symptom Vertical / horizontal line Revision If vertical line or horizontal line Check the cable to DMD ① - Whether each electric pin is good or not If OK ② Change the DMD board If OK ③...
  • Page 52 Repair Process C. Image Defect Making Projector Symptom Color Defect Revision If the color is not OK,… How to check Check the test pattern 　 Refer the ‘F. Adjust Remote Controller’ page 5. DDP OPTIC CHECK (R,G,B,C,M,Y,W full flat pattern) If some color is not there If all color is OK Ex) if you cannot see Red pattern, it means that...
  • Page 53 Repair Process D. Turn On Error Making Projector Symptom Trouble with FAN Revision About 5seconds after turning on, the SET turns off. How to check Check the 　 Refer the ‘F. Adjust Remote Controller’ page ‘Power off’ History should be fast before the SET turns off again. If the latest history is Error’...
  • Page 54 Repair Process D. Turn On Error Making Projector Symptom Trouble with Temperature Revision About 5seconds after turning on, the SET turns off. How to check Check the 　 Refer the ‘F. Adjust Remote Controller’ page ‘Power off’ History should be fast before the SET turns off again. If the latest history is ‘High Temp Error’...
  • Page 55 Repair Process E. Connector - Trouble Making Projector Symptom Revision Circuit No Connect To Symptom when the connector doesn’t connect well P501,P502 Fan does not work, and it is converted to Stand-by a little after Power on Image color is abnormal or no image(LED is not on) P701 LED board or it is converted to Stand-by a little after Power on...
  • Page 56 Repair Process F. Adjust Remote Controller Making Projector Symptom Revision IN START Power Off Status 0. POWER_OFF_BY_ACDET Model Name : HX300 1. POWER_OFF_BY_INSTOP S/W Version : V03.00.00 2. POWER_OFF_BY_HIGH_TEMP_ERR BUILD Version : 0.0.4.23 3. POWER_OFF_BY_REMOTE_KEY Instart MICOM Version : 00.02 4.
  • Page 57 S/W Download Guide...
  • Page 58 Main S/W Download Method Create LG_DTV folder in the highest USB directory, and paste Xxx_flash.epk’ -> It may be different for each version. Connect USB with software file copied to TV USB connector, and PJTR software upgrade verification window is automatically displayed.
  • Page 59 HX300(DPP6400) SUB S/W Download Tool DLP Composer™ Lite install Method 1. At first, double click DLP Composer Lite v10.0 setup.exe file in the download 2.Click next button 36 / 51...
  • Page 60 HX300(DPP6400) SUB S/W Download Tool Down scrollbar until bottom Select this radio button 3.Click next button 37 / 51...
  • Page 61 HX300(DPP6400) SUB S/W Download Tool 4.Click next button 38 / 51...
  • Page 62 HX300(DPP6400) SUB S/W Download Tool 5.Click next button 39 / 51...
  • Page 63 HX300(DPP6400) SUB S/W Download Tool 6.Click next button 40 / 51...
  • Page 64 HX300(DPP6400) SUB S/W Download Tool 6.Click finish button 41 / 51...
  • Page 65 HX300(DPP6400) SUB S/W Download Tool 1. Select SATURN6 menu by pressing INSTART button. 2. Select DDP USB in USB SELECT category, end the menu with Exit key, and turn off the power of the set by pressing Power key. 42 / 51...
  • Page 66 HX300(DPP6400) SUB S/W Download Tool 3. Separate Back cover as below. 43 / 51...
  • Page 67 HX300(DPP6400) SUB S/W Download Tool 4. Prepare USB cable with the same shape in both sides as below, and connect PC and USB of the set. 44 / 51...
  • Page 68 HX300(DPP6400) SUB S/W Download Tool 5. While pressing the button under the PCB, turn on the power by pressing Power key, and release the button after about 5 sec. 45 / 51...
  • Page 69 HX300(DPP6400) SUB S/W Download Tool 6. Click DLP Composer ™ Lite Tool. 46 / 51...
  • Page 70 HX300(DPP6400) SUB S/W Download Tool 7. Edit Preferences click 8. Establish by USB in Communications item. 47 / 51...
  • Page 71 HX300(DPP6400) SUB S/W Download Tool 9. Flash Loader click In Project item 10. In Flash Image File of Options item Skip Boot Loader Area (load all but the first 32 KB) Enter range of Inage Data to be updated (in Hex) Item uncheck box .
  • Page 72 HX300(DPP6400) SUB S/W Download Tool 11. select Program (download_file.img) according to path stored program to upgrade S/W in Flash Image File of Options item. 12. Start Download. 49 / 51...
  • Page 73 HX300(DPP6400) SUB S/W Download Tool Click yes(Y) Downloading (1) 50 / 51...
  • Page 74 HX300(DPP6400) SUB S/W Download Tool Downloading (2) 14. Download completed state Download complete. 15. Extract USB and … now Projector turn on . 51 / 51...

This manual is also suitable for:

Hx300g-jeHx301gHx301g-je