LG E2260S Service Manual Download Page 20 | Manualshive

Page: 20 / 33

background image

Copyright © 2010 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only
Only for training and service purposes

4. TROUBLE IN DPM

Trouble in DPM

Scaler IC
pin 27 H Sync?
pin 28 V Sync?

Check H/V sync line

Trouble in cable or LCD
module

NO

YES

«
...
18
19
20
21
22
...
»

Summary of Contents for E2260S

Page 1: ...lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com COLOR MONITOR SERVICE MANUAL MODEL E2260S E2260S PNW A NAP for LGD LM215WF4 TRA1 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 Internal Use Only ...

Page 2: ...Input 15 pin D Sub Connector DVI D Connector Only for E2260T Input Form RGB Analog 0 7 Vp p 75 ohm Digital Only for E2260T Plug Play DDC2AB Analog DDC2B Digital Only for E2260T 2 POWER SUPPLY 2 1 Power 12V 3 0A 2 2 Power Consumption On Mode 26W Typ Sleep Mode 1 W Off Mode 0 5 W 3 Sync Input Horizontal Freq 30 kHz to 83 kHz Automatic Vertical Freq 56 Hz to 75 Hz Automatic Input Form Separate Sync D...

Page 3: ...Copyright 2010 LG Electronics Inc All right reserved 3 LGE Internal Use Only Only for training and service purposes ...

Page 4: ...Copyright 2010 LG Electronics Inc All right reserved 4 LGE Internal Use Only Only for training and service purposes ...

Page 5: ...Copyright 2010 LG Electronics Inc All right reserved 5 LGE Internal Use Only Only for training and service purposes ...

Page 6: ...Copyright 2010 LG Electronics Inc All right reserved 6 LGE Internal Use Only Only for training and service purposes ...

Page 7: ... Modes Resolution Horizontal Freq kHz Vertical Freq Hz 1 720 x 400 31 468 70 2 640 x 480 31 469 60 3 640 x 480 37 500 75 4 800 x 600 37 879 60 5 800 x 600 46 875 75 6 1024 x 768 48 363 60 7 1024 x 768 60 123 75 8 1152 x 864 67 500 75 9 1280 x 1024 63 981 60 10 1280 x 1024 79 976 75 11 1680 x 1050 65 290 60 12 1920 x 1080 67 500 60 Recommend Mode ...

Page 8: ... Only Only for training and service purposes DISASSEMBLY Set 1 Put the monitor on a soft flat 2 Remove the base ass y Turn the screw by using the screw handle 3 Remove the Rear Cover ass y 4 The Rear Cover ass y 5 Disconnect all the wires FFC cable 6 Remove the main frame ...

Page 9: ...Copyright 2010 LG Electronics Inc All right reserved 9 LGE Internal Use Only Only for training and service purposes 7 Main frame and main board 8 The panel Note DVI only for E2260T ...

Page 10: ...ote DVI only for E2260T Scaler IC TSUMU1BRWL3 1 TSUMU5BRWHL3 1 U401 D SUB CN101 Crystal 14 31818MHZ X401 CN401 to Key board RGB H V SYN DDC1_SCL DDC1_SDA Flash ROM PM25LD020C SCE U402 CN409 to Panel Output Panel Power sequence control circuit Block Q301 Q302 AP2114D 3 3TRG1 U702 3 3V DVI Optional CN102 RX 0 2 C P N DDC2_SCL DDC2_SDA ...

Page 11: ...E Internal Use Only Only for training and service purposes CONVERTER BLOCK DIAGRAM Converter Boost Circuit Ignition LED bar ON OFF circuit Current balance Control IC MP3389EF U801 Feedback circuit OVP circuit Current Feedback DIM circuit 12V BKLT EN BKLT VBRI ...

Page 12: ... 149MHz This part consists of the Scalar ADC converter TMDS receiver The Scalar gets the video signal converted analog to digital interpolates input to 1920 x 1080 resolution signal and outputs 8 bit R G B signal to transmitter 2 Power Part This part consists of the one 3 3V regulators to convert power which is provided 12V in Adapter board 12V is provided for convert circuit 3 MICOM Part This par...

Page 13: ...PP for using the DOS EDID tool surely 2 EDID Write 1 Connect the signal line of monitor with DDC recorder 2 Choose the DDC RECORD program and it shows on the screen the choose the correct source base on the monitor 3 Click LoadFile then key in the manufacturer name model name product code then choose the correct model name base on the monitor as Fig 2 4 Scan serial No to DDC recorder by Bar Reader...

Page 14: ...er it must be the same as Bar Code Week of Manufacture Year of Manufacture Checksum It must be the same as the last byte of data table as follows picture shows Above of all must be right then if it shows the green PASS it means record succeeds the red Fail means record fails Then check the power supply and signal line and ensure they are connected well then do DDC record again from the third step ...

Page 15: ...Copyright 2010 LG Electronics Inc All right reserved 15 LGE Internal Use Only Only for training and service purposes E2260T Analog DVI Fig 2 ...

Page 16: ...the User OSD menu as described below a CLEAA ETI NO b Auto Color NO c AGING Select Aging mode on off d PANEL Used panel type e NVRAM INIT NO f R G B 9300K Allows you to set the R G B 9300K value manually g R G B 6500K Allows you to set the R G B 6500K value manually h 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 manu...

Page 17: ...ce purposes TROUBLESHOOTING GUIDE 1 NO POWER No Power Power Indicator Off Please reinsert and make sure the AC of 100 240V is normal Measure U702 PIN2 3 3V Check the Adapter convert section Check CN702 or replace U702 NO NO YES YES YES Check X401 oscillate waveforms are normal Replace X401 Replace U401 NO ...

Page 18: ... Only for training and service purposes 2 NO RASTER OSD IS NOT DISPLAY LIPS LIPS YES YES No Raster OSD Is Not Displayed Check U702 PIN 2 3 3V Check CN702 PIN3 12V Check adapter board and find out a short point as penning each power line 1 Check U702 2 Check C707 C708 C709 NO NO ...

Page 19: ...vice purposes 3 NO RASTER OSD IS NOT DISPLAY MSTAR 1 Check C426 C428 2 Check X401 3 Trouble in Scaler IC Scaler pin 98 99 oscillates as 14 31818MHz No Raster OSD Is Not Displayed Check connection line from D SUB to Scaler Trouble in cable or LCD module NO YES YES NO Scaler IC pin 27 H Sync pin 28 V Sync ...

Page 20: ...ctronics Inc All right reserved 20 LGE Internal Use Only Only for training and service purposes 4 TROUBLE IN DPM Trouble in DPM Scaler IC pin 27 H Sync pin 28 V Sync Check H V sync line Trouble in cable or LCD module NO YES ...

Page 21: ...nly Only for training and service purposes 5 POWER Replace the panel Check main board Replace the main board NO Check CN702 12V Check the adapter YES NO YES No Power Power Indicator Off Check AC line volt Check the adapter Check AC line AC socket Replace the adapter NO YES NO ...

Page 22: ...Use Only Only for training and service purposes 6 RASTER Check U401 X401 YES Check BKLT VBRI Check U401 Check Q301 Q302 NO YES YES Check PANEL_VCC YES NO NO Raster Lamp Off Check CN702 12V Check BKLT EN signal Check the adapter Check Interface section or main board NO NO ...

Page 23: ...Electronics Inc All right reserved 23 LGE Internal Use Only Only for training and service purposes WIRING DIAGRAM Main Board LED Board Key Board Optional Note DVI only for E2260T 095G176J 10V01 095G176J 50527 95G80227506 ...

Page 24: ...this chassis have special 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 X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE ...

Page 25: ...4 TRA1 FQ LTD 050 756GQACB KL002 00 EBU60714334 MAIN BOARD CBPCAAWLGQ2 E2260S 756GQACB KL003 00 EBU60714335 MAIN BOARD CBPCAARLGQ2 E2260T 060 Q15G0909101101 MDQ62638101 MAINFRAME E2260S Q15G0909101201 MDQ62638102 MAINFRAME E2260T 070 705GFACS005 ACQ83873703 REAR COVER ASS Y E2260S 705GFACS007 ACQ83873704 REAR COVER ASS Y E2260T 080 705GFACS004 ACQ83873802 BASE ASS Y 090 095G176J 10V01 COV30101415 ...

Page 26: ...I O3 4 VDD 5 I O4 6 U105 NC AZC199 04S R120 NC 10K 5 1 16W FB101 0R01 1 10W 3 1 2 D101 BAV70 R108 75OHM 1 16W R135 2 2K 1 16W C115 NC 100N 16V A0 1 A1 2 A2 3 VSS 4 SDA 5 SCL 6 WP 7 VCC 8 U102 NC CAT24C02WI GT3 R136 NC 22K 1 16W R126 NC 10OHM1 16W R119 NC 100OHM1 16W C124 100N 16V R117 56OHM1 16W C116 220N16V R128 NC 10OHM1 16W C104 22P 50V C102 47N16V FB105 NC 300 OHM C120 NC 100N 16V R101 100OHM1...

Page 27: ... PSCL G 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 CN409 CONN R303 4 7K 1 16W Q302 LMBT3904LT1G R307 NC 1 2 FB301 120 OHM C301 100N 16V R306 100K 1 16W C302 22UF 16V C303 220N16V R304 22K 1 16W R305 10K 5 1 16W C304 100N 16V CMVCC1 2 4 5 PANEL_VCC CMVCC1 PANEL_VCC CMVCC1 P 0 27 5 PSCL 5 PSDA 5 P...

Page 28: ...704 22UF 16V 1 2 D704 SR34 R706 100OHM1 16W C715 1N 50V R726 100K 1 16W Q701 LMBT3904LT1G C712 100NF 25V C716 470uF 10V C708 100N 16V 1 2 D701 SM340A 1 2 D707 SR34 SW 1 EN 2 COMP 3 FB 4 GND 5 FREQ 6 VIN 7 BST 8 Thermal Pad 9 U705 MP1584EN C721 100N 16V C702 100N 16V C717 100N 16V 1 2 FB701 BEAD C722 150pF 50V R714 1 3K 1 R727 300K 1 2 D708 SR34 C719 100NF 25V C707 22UF 16V R711 33K 1 16W 5 C705 10...

Page 29: ...D 17 GND 45 VDDP 77 VDDP 57 MODE 29 VCTRL 80 VDDC 19 DDCA_SDA RS232_TX 30 DDCA_SCL rs232_RX 31 NC 3 NC 4 GPIO_P40 PWM1 32 AVDD_33 18 VDDP 83 IVDD_E GOE 50 GPIO_P06 PWM1 93 FLK13 48 GPIO_P00 SAR1 90 GPIO_P01 SAR2 91 GPIO_P02 SAR3 92 GPIO_P07 PWM2 94 GPIO_P23 PWM1 5 GPIO_P41 PWMA 41 GPIO_P13 PWM3 96 GPIO_P26 PWM0 95 I2C_MDA GPIO_P11 33 I2C_MCL GPIO_P10 34 RST 84 ICLK4 52 IVDD_O DPM 51 AVDD_33 100 VD...

Page 30: ...6 100pF 50V R836 0R01 1 10W R808 1K 1 10W R841 150 OHM 1 10W R801 10 OHM 1 10W R807 20K 1 10W R832 0R01 1 10W R829 NC 1 OHM 1 10W R840 0R01 1 10W C805 100pF 50V R803 51KOHM 1 1 10W R802 270K 1 1 10W R831 NC 1 OHM 1 10W C810 1uF 25V R804 100K 1 10W R828 1R 1 10W 5 R813 0R05 4A 1 4W R833 NC 0R01 1 10W R839 NC 0R01 1 10W S1 1 G1 2 S2 3 G2 4 D1 8 D1 7 D2 6 D2 5 Q806 P8008HV C803 0 47UF 50V GND_POWER 1...

Page 31: ... 1 2 4 3 5 SW003 SW R001 3K3 1 10W 1 1 2 4 3 5 SW004 SW 1 2 ZD001 MLVS0402M04 1 2 4 3 5 SW005 SW 1 2 4 3 5 SW006 SW 1 2 3 4 5 6 7 8 CN001 CONN R002 2K2 1 10W 1 R005 2K2 1 10W 1 1 Power EXIT SOURCE AUTO MODE MENU CON001 R003 1 5K 1 1 10W MODE R004 3K3 1 10W 1 R006 1 5K 1 1 10W SOURCE 6P GND C002 100N16V 1 2 ZD002 MLVS0402M04 C001 100N16V 1 2 ZD003 MLVS0402M04 1 2 ZD004 MLVS0402M04 1 2 ZD005 MLVS040...

Page 32: ...nternal Use Only Only for training and service purposes 1 2 3 4 5 CN002 CONN C012 100N16V LED_BLUE CN002 LED B R 1 2 3 4 RED BLUE LED002 LED 1 2 3 4 RED BLUE LED003 LED 1 LED_RED LED B R LED B R Right Angle GND 1 2 3 4 RED BLUE LED001 LED C011 100N16V 3 LED Board ...

Page 33: ...Copyright 2010 LG Electronics Inc All right reserved 33 LGE Internal Use Only Only for training and service purposes Jun 2010 P NO Printed in China ...

Reviews:

No comments

Related manuals for E2260S

Brand: Daewoo Pages: 19

Brand: Daewoo Pages: 12

Brand: Daewoo Pages: 36

Brand: Daewoo Pages: 70

Brand: Wacom Pages: 32

Brand: Dante Pages: 12

RadiForce RX211

Brand: Eizo Pages: 53

Brand: XtendLan Pages: 10

Brand: BenQ Pages: 35

Brand: A&D Pages: 1

ProLite XU2793HS

Brand: Iiyama Pages: 39

Brand: max mobility Pages: 12

Brand: Startax Pages: 31

Brand: I-Tech Pages: 28

Brand: MicroTouch Pages: 27

FP1921 rellhealthcare

Brand: Rell Healthcare Pages: 31

Brand: Regin Pages: 7

Brand: Task Force Tips Pages: 20

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands