manualshive.com logo in svg

LG HF85LA, Service Manual

Share
Download
LG HF85LA Service Manual Download Page 7

- 7 -

Copyright  © 

 LG Electronics. Inc. All rights reserved.

Only for training and service purposes.

BLOCK DIAGRAM

MAIN 

 

IC100

 

MICOM  IC600

 

KEYST

ONE 

IC800

 

Panel(S)

 

IC1010

 

Panel(M)

 

IC1000

 

FA

N 

*1

 

EEPRO

M 

256Kb 

IR

 

KEY

PAD

 

eMMC

 

4GB 

X-

tal 

24Mhz 

ACCELE

RO

ME

TE

R 

Audio 

AM

P 

IC

700

 

X-

tal 

32Mhz

 

PMIC

 

IC1004

 

Serial 

Flash

 

32Mb 

Serial 

Flash

 

32Mb 

Oscillator

 

24Mhz

 

LVDS

 

I2C 

TT

L 

SPI

 

I2C 

WU[^ˉG

DM

D 

I2C 

WI

FI 

& Bluetooth  Co

mb

o 

PROJ_ON 

Headphone 

DC_IN

 

HD

MI

 

HDM

I/A

RC

 

Tuner 

TDJS

_H601F 

 

USB2

.0

 

(T

yp

e-

A)

 

3W

 

SPK

 

3W

 

RJ45

 

Ma

in

 

 

L 

R 

USB2

.0

 

(T

yp

e-

A)

 

SPDIF

 OUT

 

SPI

 

Jack

 

X-

tal 

32.768Khz 

I2C 

I2S 

Phosphor 

 

Wheel

 

LD 

: 35V 3.0 

A 

 

Wheel 

Dr

iv

er

 

IC1009

 

Oscillator

 

2Mhz

 

CW

I 

LD Driv

er

 

IC1300

 

LD

 

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...

Page 14: ......

Reviews:

No comments

Brands by name

Popular brands

Load more brands