background image

P/NO :

CHASSIS :

MODEL :

CAUTION

BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

 

SERVICE MANUAL

P/NO : MFL6

94068

60

 (1

903

-REV00)

LED LCD MONITOR

SERVICE MANUAL

LM

9FS

2

4

BL450Y

   

CONFIDENTIAL

Содержание 24BL450Y

Страница 1: ...P NO CHASSIS MODEL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUAL P NO MFL69406860 1903 REV00 LED LCD MONITOR SERVICE MANUAL LM9FS 24BL450Y CONFIDENTIAL ...

Страница 2: ...ght 2018 LG Electronics Inc All rights reserved Only training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 BLOCK DIAGRAM 7 EXPLODED VIEW 8 DISASSEMBLY 9 TROUBLE SHOOTING GUIDE 12 ...

Страница 3: ... sensitivity replace it with the specified Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part Any voltage When replacing a high wattage resistor Oxide Metal Film Resistor measured must not exceed 0 75 volt RMS which is corresponds to over 1 W keep the resistor 10 mm away from PCB 0 5 mA Keep wires away from high voltage or high temperature...

Страница 4: ...5m Shape Detachable Type Color Black Weight 0 091kg 10 CABLE 100Ω 10Ω CONNECTOR 100Ω 15Ω DVI IN DP IN Length 1 8m 0 05m Shape Detachable Type Color Black Weight 0 091kg 10 D_SUBIN AUDIO IN HP OUT Audio L R OUT Speaker Speaker L R 1 2W Setting USB 1UP 2Down 8 Power cord Refer to Suffix standard and power cord table 9 Cable Signal Cable DP Length 1 8m Shape Detachable Type Color Black Pin Triple Row...

Страница 5: ...60 0 806 768 3 6 29 4 H Pixels 74 25 45 0 1650 1280 110 40 220 1280 x 720 V Lines 60 0 750 720 5 5 20 5 H Pixels 83 50 49 702 1680 1280 72 128 200 1280 x 800 V Lines 59 810 831 800 3 6 22 6 H Pixels 108 0 63 981 1688 1280 48 112 248 1280 x 1024 V Lines 60 023 1066 1024 1 3 38 7 H Pixels 146 25 65 290 2240 1680 104 176 280 1680 x 1050 V Lines 59 954 1089 1050 3 6 30 8 H Pixels 148 50 67 50 2200 192...

Страница 6: ...nes 60 317 628 600 1 4 23 3 H Pixels 65 0 48 363 1344 1024 24 136 160 1024 x 768 V Lines 60 0 806 768 3 6 29 4 H Pixels 74 25 45 0 1650 1280 110 40 220 1280 x 720 V Lines 60 0 750 720 5 5 20 5 H Pixels 83 50 49 702 1680 1280 72 128 200 1280 x 800 V Lines 59 810 831 800 3 6 22 6 H Pixels 108 0 63 981 1688 1280 48 112 248 1280 x 1024 V Lines 60 023 1066 1024 1 3 38 7 H Pixels 146 25 65 290 2240 1680...

Страница 7: ...6R Realtek 8M SERIAL Flash LED PANEL LVDS PWM_ DIM F B SPI Data CLK DP_TMDS Aux USB2 0 Down Stream USB2 0 UP Stream USBGL850G 33 APA2068 Anpec Audio IN Speaker KEY0 1 WLED_ EN Crystal 12MHz RST Analog Sound L R 2Ch LDO Core 1 1V 19V System 3 3V 3 3V DP HP L R out H P DP HDMI Aux HDMI TMDS KEY0 1 Crystal 14 318MHz ...

Страница 8: ...l 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 120 300 200 500 510 400 900 920 910 330 ...

Страница 9: ...ronics Inc All rights reserved Only training and service purposes Fig 1 Place the monitor s screen face down on a soft plane Fig 2 use finger or coin to disassemble the stand base and pull the button down and lift the stand body to disassemble the Stand body ...

Страница 10: ... 10 Copyright 2018 LG Electronics Inc All rights reserved Only training and service purposes Fig 3 use screw driver to release 4 EA screws and disassemble the back cover with jig ...

Страница 11: ... 11 Copyright 2018 LG Electronics Inc All rights reserved Only training and service purposes Fig 4 release the cables and tapes to disassemble DMS Fig 5 Disassemble cabinet and module Accessories pic ...

Страница 12: ...0 pin3 6 Output Voltage Level 1 1V 3 3V Replace IC100 Recheck Y N Check X201 Clock 14 318MHz Check IC101 pin16 Output Voltage Level 5VS Replace IC101 Recheck N Y Replace IC201 Flash Memory Y Replace Cable N Module Back Light On Check IC203 Replace Main Scaler IC Y N N Check Panel Power 5V JP225 Check IC101 Output 5V Replace IC101 Recheck Y N Check Panel Clock P202 10 11 22 23 Check IC203 Repair Ma...

Страница 13: ... service purposes No Video HDMI Replace Main Scaler IC203 Check input signal format Is it supported Check JK101 JK102 for proper connection or Damage Replace Connector Y N Check I2C Signal JK101 JK102 Re Download EDID Data Y N Y Check HDMI Cable for Damage or Open Connector Y ...

Страница 14: ......

Отзывы: