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LG 34UC80, Руководство по обслуживанию

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Copyright © 

 LG Electronics Inc. All rights reserved.

Only training and service purposes.

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DISASSEMBLY  ........................................................................................ 12

TROUBLE SHOOTING GUIDE  .............................................................. 14

CONTENTS  .............................................................................................. 2

SAFETY PRECAUTIONS  ........................................................................ 3

SPECIFICATION ....................................................................................... 4

ADJUSTMENT INSTRUCTION ................................................................ 6

CONTENTS

Содержание 34UC80

Страница 1: ...E CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUAL Copyright 2017 LG Electronics Inc All rights reserved Only training and service purposes P NO MFL70211501 1708 REV00 LED MONITOR SERVICE MANUAL CONFIDENTIAL LM55E 34UC80 34UC80 BF ...

Страница 2: ...s Inc All rights reserved Only training and service purposes BLOCK DIAGRAM 10 1 1 W E I V D E D O L P X E DISASSEMBLY 12 TROUBLE SHOOTING GUIDE 14 CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 CONTENTS ...

Страница 3: ...l 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 as antenna terminals phone jacks etc If the exposed meta...

Страница 4: ...s Name LM55E 6 General Scope External SW Adj 5 way joystick switch Function PBP Picture Mode Ratio Gamma Calibration SES Six Color 7W speaker x 2 DisplayPort HDMI x 2 Screen split USB hub USB3 0 x 2 7 Input HDMI1 2 IN HDMI 1 and HDMI 2 DP IN Display Port Thunderbolt N A USB UP USB upstream only with Host PC USB 1 2 USB downstream only with Host PC Quick Charge USB 1 only H P Audio L R 8 Power Code...

Страница 5: ... 5 H Pixels 74 25 45 1650 1280 110 40 220 1280x720 HDMI V Lines 60 750 720 5 5 20 DP 6 H Pixels 108 63 981 1688 1280 48 112 248 1280x1024 HDMI V Lines 60 02 1066 1024 1 3 38 DP 7 H Pixels 108 60 1800 1600 24 80 96 1600 x 900 HDMI V Lines 60 1000 900 1 3 96 DP 8 H Pixels 146 25 65 29 2240 1680 104 176 280 1680x1050 HDMI V Lines 59 954 1089 1050 3 6 30 DP 9 H Pixels 148 5 67 5 2200 1920 88 44 148 19...

Страница 6: ... 110 DDC Adjustment Jig equipment 3 Main PCB check process APC After Manual Insult executing APC 3 1 ADC Process N A 3 2 EDID Process 3 2 1 EDID Download F W includes default EDID for All input ports aging on Mode If AC ON default EDID is automatically loaded to EEPROM Update serial number in EDID of HDMI1 Caution Never connect HDMI Cable when execute HDMI EDID automatically Protocol DDC 2AB EDID ...

Страница 7: ...OM by using DDC2AB protocol HDCP Adjustment Jig equipment If error is occurred try to write again After download HDCP key send command 0xE6 00 00 for loading RAM memory correctly 4 2 White balance adjustment Adjust PRESET Warm 6500K Color coordinates and Gamma calibration Set the CA 210 for calibration Input Gamma calibration Pattern R G B Grey 20 Set as Warm 6500K by commanding COLOR_MODE_ CHANGE...

Страница 8: ... 00h Reserved by Buffer To EEPROM ADL E2PROM Sub Address 00 FF Data Write data Delay 20ms Color Temperature Cool 9 300 K X 0 283 0 03 Y 0 298 0 03 Test Signal Inner pattern 255gray 80IRE Medium 8 000 K X 0 295 0 03 Y 0 305 0 03 Warm 6 500 K X 0 313 0 03 Y 0 329 0 03 Luminance cd m Cool Min 170 Test Signal Inner pattern 255gray 80IRE Medium Min 200 Warm Min 260 Operating Condition Sync H V or Video...

Страница 9: ...7F D data 8 byte write L 0x00 0x10 0x70 5 6 5 EDID Read DDC2B Command A0 A1 128 Byte transfer of EDID Buffer of MICOM No Adjustment contents CMD hex LEN Explanation 1 E E P R O M WRITE E8 94 16 Byte Write 2 84 n n byte Write No Adjustment contents CMD hex ADH hex ADL hex Explanation 1 EEPROM READ E7 A0 0 0 Page 0 7F Read 2 80 0 Page 80 FF Read 3 A2 0 1 Page 0 7F Read 4 80 1 Page 80 FF Read 5 A4 0 ...

Страница 10: ... 10 Copyright LG Electronics Inc All rights reserved Only training and service purposes BLOCK DIAGRAM ...

Страница 11: ...lated 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 910 900 920 510 300 200 100 500 330 400 LV1 540 ...

Страница 12: ...Preparation tool jig 1 2 Tool Curved Packing in a box 2 Stand Assembly Separation 1 Put a product on a curved packing 2 Pull a button and disassemble a stand a e 4 s w e r c s e v o m e r r e v i r D w e r c s a g n i s U 3 3 Back cover Assembly r e v o c k c a b a e l b m e s s a s i d g i j c i t s a l p g n i s U 1 ...

Страница 13: ...ed Only training and service purposes and Tapes s e l b a C e l b m e s s a s i d n o i t a r a p e s r e v o C k c a B r e t f A 2 3 Disassemble Control PCB Ass y Latch Type 34UC88 80 model is common structure 4 Disassemble screws 10ea Module Cabinet ...

Страница 14: ...Power Replace X200 N Check C410 Voltage Level 19V Check Power connector OK Replace Adapter Y N Y Check IC400 Output Voltage Level 3 3V Replace IC400 Recheck Y N Check X200 Clock 12MHz Check IC401 Output Voltage Level 5V Replace IC401 Recheck N Y Replace IC202 Flash Memory Y Check IC403 Output Voltage Level 1 15V 1 8 Replace IC403 Recheck N Y ...

Страница 15: ...0 IC701 Replace LED Driver IC Y N N Check Panel Power 10V L408 Check IC402 Output 10V Replace IC402 Recheck Y N Check Panel eDP AUX P101 17 18 Check IC200 Repair Scaler Y N Check eDP FFC Cable for Damage or Open Conductors Check LED Driver Output IC700 IC701 1 2 5 6 PIN Replace T Con Board or Module Y Check IC204 Replace Main Scaler IC N Check WLED_ENABLE High IC700 IC701 3 PIN Y ...

Страница 16: ...for training and service purposes 3 No Video HDMI Replace Main Scaler Check input signal format Is it supported Check JK100 JK101 for proper connection or Damage Replace Connector Y N Check I2C Signal EDID Re Download EDID Data Y N Y Check HDMI Cable for Damage or Open Connector Y ...

Страница 17: ...Inc All rights reserved Only for training and service purposes 4 No Video DP Replace Main Scaler Check input signal format Is it supported Check JK102 for proper connection or Damage Replace Connector Y N Y Check DP Cable for Damage or Open Connector Y ...

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