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LG HF85JA-NA, Руководство по обслуживанию

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LG HF85JA-NA Скачать руководство пользователя страница 11

- 11 -

Copyright  © 

 LG Electronics. Inc. All rights reserved.

Only for training and service purposes.

TROUBLE SHOOTING GUIDE

1. Poor Connection

- Main, LED Board Ass’y

2 

1 

4 

5 

Board connection point 

6 

3 

7 

8 

No. 

Circuit Number 

Pin count 

Connections 

Symptoms of a bad connection

1

P702

80

DMD Board

No image (none functional of DPP ASIC)

2

P104

40

Jack Board

Cannot Working Remote Controller, Sound out(AV, SPDIF), 

Wired Lan and DTV Tuner 

3

P652

3

P/W Index

No Image (DMD Lock by Detecting Phospher wheel trouble)

4

P651

4

P/W Motor

No Image (DMD Lock by Detecting Phospher wheel trouble)

5

P601

4

Speaker

No sound (Internal Speakers)

6

P304

10

Local Key

Local Key doesn’t work or may be worked abnormally

7

P801

4

FAN

Fan doesn’t work, and set turns off automatically

8

P105

8

WIFI, Bluetooth

Wi-Fi, Bluetooth Function is not working

Содержание HF85JA-NA

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 4: ...wed 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 1 NTSC M 2 ATSC NTSC M 64 256 QAM HF85JA KR Korea HF85JA NA US 3 579545 60 Hz 1 NTSC M 2 PAL B D G H I 3 PAL M 4 PA...

Страница 5: ...98 60 02 108 0 VESA SXGA O 8 1360 768 60Hz 47 71 60 01 85 50 VESA WXGA O 9 1920 1080 60Hz 67 5 60 00 148 5 WUXGA CEA 861D O HDMI DTV 1 640 480 31 46 59 94 25 125 SDTV 480P 2 640 480 31 50 60 00 25 125 SDTV 480P 3 720 480 31 47 59 94 27 00 SDTV 480P 4 720 480 31 50 60 00 27 027 SDTV 480P 5 1280 720 44 96 59 94 74 176 HDTV 720P 6 1280 720 45 00 60 00 74 25 HDTV 720P 7 1920 1080 33 72 59 94 74 176 HD...

Страница 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...

Страница 7: ...2 R G B Enable CW control CLK P12V PWM Adaptor 140W USB2 HDMI 3W SPDIF Jack Board LAN DLP Processor DLPC3439 Slave WiFi BT Combo EEPROM DDR3 Memory H5TQ4G63 4Gb x 2 256Mx16 bit Temp NTC Micom R5F100G Auto Keystone BMA255 eMMC THGBMDG5D1 4GB Memory Controller Warping IP00C787 LVDS x 2 TTL RGB888 LS_CLK DEN_ARSTZ Wdata Rdata LS_Rdata Sub LVDS Dtata Wdata CLK DMD Power DLPA3000 CW Index 1 8V VOFS VRS...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 11: ...tional of DPP ASIC 2 P104 40 Jack Board Cannot Working Remote Controller Sound out AV SPDIF Wired Lan and DTV Tuner 3 P652 3 P W Index No Image DMD Lock by Detecting Phospher wheel trouble 4 P651 4 P W Motor No Image DMD Lock by Detecting Phospher wheel trouble 5 P601 4 Speaker No sound Internal Speakers 6 P304 10 Local Key Local Key doesn t work or may be worked abnormally 7 P801 4 FAN Fan doesn ...

Страница 12: ... Board Ass y 11 Board connection point 9 10 No Circuit Number Pin count Connections Symptoms of a bad connection 9 P1801 8 LD Bank Laser Lamp doesn t Work 10 P1802 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 ...

Страница 13: ...D Abnomal focus Cloudy Particle on Lens surface not pursued cleaner Shock from outward Lens Focus Radder Frame cannot controling Keystone Auto Keystone ON OFF NDF Keystone setting Sound No optical out Loudy Speaker Noise Connection on Optical cable Main SPDIF Internal Speaker sound EarPhone Main Jack FPC Jack B D Main On detecting AV out No Sound Sound Noise Left or right only Speakers Defect Conn...

Страница 14: ...gine replacement Yes Yes Temp No No DMD connection check 保 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 def...

Страница 15: ......

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