LG Flatron E2260S Service Manual

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Service manual (33 pages)

Owner's manual (49 pages)

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SERVICE MANUAL

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CAUTION

BEFORE SERVICING THE UNIT,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

Only for training and service purposes

North/Latin America

Europe/Africa

Asia/Oceania

E2260S (E2260S-PNW.A**NAP for LGD LM215WF4-TRA1)

E2260T (E2260T-PNW.A**NAP for LGD LM215WF4-TRA1) **Sales Market

- 1 -

Internal Use Only

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http://eic.lgservice.com

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*To apply the M-STAR Chip.

LGE Internal Use Only

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Page 1: Color Monitor
E2260T (E2260T-PNW.A**NAP for LGD LM215WF4-TRA1) **Sales Market CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. *To apply the M-STAR Chip. Copyright © 2010 LG Electronics. Inc. All right reserved. - 1 - LGE Internal Use Only Only for training and service purposes...
Page 2: Table Of Contents
Sleep Mode: ≤ 1 W 6. WEIGHT (excl. packing) Off Mode: ≤ 0.5 W Weight: 2.3 kg (5.07 lb) Copyright © 2010 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...
Page 7: Timing Chart
1280 x 1024 63.981 1280 x 1024 79.976 1680 x 1050 65.290 1920 x 1080 67.500 *Recommend Mode Copyright © 2010 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
Page 8: Disassembly
Disconnect all the wires/FFC cable. Remove the main frame. Copyright © 2010 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
Page 10: Block Diagram
Panel Power (CN102) DDC2_SCL sequence DDC2_SDA control circuit Block 3.3V (Q301&Q302) AP2114D-3.3TRG1 (U702) Note: DVI only for E2260T. Copyright © 2010 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
Page 11 Current balance Control IC BKLT-EN ON/OFF circuit Feedback MP3389EF circuit Current (U801) BKLT-VBRI Feedback DIM circuit Copyright © 2010 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
Page 12: Discription Of Block Diagram
The Micom distinguishes polarity and frequencies of the H/V sync are supplied from signal cable. The controlled data of each mode is stored in scalar. Copyright © 2010 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only...
Page 13: Adjustment
5. According to the message of DDC program, when the picture as fig.1 appears, it will show DDC record has finished. E2260S (Analog only) Copyright © 2010 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
Page 14 ,then do DDC record again from the third step. E2260S (Analog only) Copyright © 2010 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
Page 16: Service Mode
R/G/B-Offset: Allows you to set the R/G/B-Offset value manually. (Analog Only) i) R/G/B-Gain: Allows you to set the R/G/B-Gain value manually. (Analog Only) e) R/G/B-sRGB: Allows you to set the R/G/B- sRGB value manually. Copyright © 2010 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only...
Page 17: Troubleshooting Guide
Check CN702 or U702 PIN2=3.3V replace U702 Check X401 oscillate Replace X401 waveforms are normal Replace U401 Copyright © 2010 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
Page 18 PIN3 =12V? 1. Check U702 Check U702 2. Check C707,C708,C709 PIN 2 =3.3V? LIPS Copyright © 2010 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
Page 19 Scaler IC D-SUB to Scaler pin 27 H Sync? pin 28 V Sync? Trouble in cable or LCD module Copyright © 2010 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
Page 20 27 H Sync? Check H/V sync line pin 28 V Sync? Trouble in cable or LCD module Copyright © 2010 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
Page 21 Replace the adapter Check the adapter Check CN702=12V? Check main board Replace the main board Replace the panel Copyright © 2010 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
Page 22 signal Check BKLT-VBRI Check U401 Check PANEL_VCC Check Q301, Q302 Check U401, X401 Copyright © 2010 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
Page 23: Wiring Diagram
095G176J 10V01 95G80227506 095G176J 50527 Main Board Optional Key Board LED Board Note: DVI only for E2260T. Copyright © 2010 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
Page 24: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright © 2010 LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
Page 25: Exploded View Parts List
095G176J 50527 COV30101412 FFC CABLE 50 135 0.5 S95G80227506 HARNESS 7P-6P+3P 250/300 089G 725CAA 2G D-SUB CABLE 1500MM Copyright © 2010 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
Page 26: Schematic Diagram
I/O3 I/O2 I/O3 I/O2 I/O3 C121 C122 C120 NC/100N 16V NC/100N 16V NC/100N 16V DDC2_SCL DDC2_SDA DDC_WP NC/CAT24C02WI-GT3 Copyright © 2010 LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
Page 27 R304 C303 Q302 R307 220N16V PPWR_ON# LMBT3904LT1G 22K 1/16W R303 C304 4.7K 1/16W 100N 16V C305 1UF16V AO3401L Copyright © 2010 LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
Page 28 JACK FB701 CN701 BEAD Used C715 C719 C723 C718 NC/JACK 1N 50V 100NF 25V 10uF 25V 180uF 16V Copyright © 2010 LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
Page 29 KEY 2 KEY 1 CONN LED_G POWER_KEY # LED_R FB408 NC/120 OHM CMVCC1 TOUCH C436 FB409 120 OHM VCC3.3 Copyright © 2010 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...
Page 30 〃 21.5 R819-->10K ---Set WLED current R809 5.6K ---Set OVP (1920x1080) / LM230WF5-TRA1 R812-->0.15ohm ---for current limit 〃 Copyright © 2010 LG Electronics. Inc. All right reserved. - 30 - LGE Internal Use Only Only for training and service purposes...
Page 31: Key Board
ZD002 ZD003 ZD004 ZD005 ZD006 MLVS0402M04 MLVS0402M04 MLVS0402M04 MLVS0402M04 MLVS0402M04 MLVS0402M04 CON001 MENU MODE AUTO SOURCE EXIT Power Copyright © 2010 LG Electronics. Inc. All right reserved. - 31 - LGE Internal Use Only Only for training and service purposes...
Page 32: Led Board
CN002 CONN C011 C012 Right Angle 100N16V 100N16V LED001 LED002 LED003 CN002 LED B/R LED B/R LED B/R Copyright © 2010 LG Electronics. Inc. All right reserved. - 32 - LGE Internal Use Only Only for training and service purposes...

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LG Flatron E2260S Service Manual

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