LG E2260S Service Manual Download Page 29

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Copyright © 2010 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only
Only for training and service purposes

Scaler

R406

10K+-5%1/16W

R433

3.9K1/16W

R440

10K+-5%1/16W

R415

0R05OHM1/16W

R444

0R05OHM1/16W

C427
10uF 10V

R418

NC/0R05OHM1/16W

C417

100N 16V

C402

100N 16V

C426

47pF 50V

2
4
6

1
3
5

CN402
NC/CONN

ZD402

R436

100OHM1/16W

R442

C401

100N 16V

R437

100OHM1/16W

C440

C415

100N 16V

VSS

SDA

SCL

VCC

U403

NC/M24C04-WMN6TP

X401
14.31818MHZ/32PF

R451

100 OHM 1/10W

Q403
NC/LMBT3904LT1G

C407

100N 16V

C416

100N 16V

C436

100N

16V

ZD403

C435

16V

C418

100N 16V

C434

16V

FB409

120 OHM

VCC3.3

2,4

VCC3.3

VCC1.8

VDDC

VDDP

VCC3.3

CMVCC1

VCC1.8

VCC3.3

AVDD

VDDC

CMVCC1

AVDD

VCC3.3

VDDP

VCC3.3

DDC1_SCL

DSUB_H

RX1N

RX0N

adj_BACKLIGHT 4

DSUB_V

DET_CABLE

DDC2_SCL

DDC1_SDA

DSUB_SOG

RXCP

DSUB_R-

DDC2_SDA

DSUB_G-

RX1P

RX2P

RX0P

DSUB_B-

DDC_WP

RXCN

RX2N

P[0..27]

PSDA

PSCL

on_BACKLIGHT 4

PPWR_ON#

PSDA

TSUMU1BRWL3
56G 562344

1DVI

TSUMU5BRWHL3-1
56G 562342

TSUMU1BRWL3-1
56G 562345

TSUM5ARWHL3
56G 562346

UXGA / WSXGA+
(1680x1050,1600x900)

1Analog

WXGA / WXGA+
(1440x900/1366x768/1280x1024)

TSUMU5BRWHL3
56G 562347

U401

TSUM1ARWL3
56G 562343

WUXGA / FHD
(1920x1200/1920x1080)

C406

100N 16V

TOUCH

P[0..27]

C422

2.2UF 16V

Panel_ON

AHS0
AVS0

B0-

B0+

SOG_DET

G0+
G0-

R0+
R0-

LED_ORANGE

LED_GRN/BLUE

DDCSDA1

RIN0P

GIN0P

SOGIN0

BIN0P

RIN0M

GIN0M

BIN0M

HSYNC0

VSY NC0

SDO

SCK

CSZ

SDI

FLK24

GPIO_P43/PWM0

LV4+

XOUT

XIN

LV3-

LV3+

LVCLK-

LVCLK+

LV2-

LV2+

LV1-

LV1+

LV0-

LV0+

SOE

POL2

POL

CSC

H2DOT

ICLK_RESET/GSP

LV4-

LV5+

LV5-

AVD

DDP

MODE

VCTRL

DDCA_SDA/RS232_TX

DDCA_SCL/rs232_RX

GPIO_P40/PWM1

AVD

DDP

IVDD_E/GOE

GPIO_P06/PWM1

FLK13

GPIO_P00/SAR1

GPIO_P01/SAR2

GPIO_P02/SAR3

GPIO_P07/PWM2

GPIO_P23/PWM1

GPIO_P41/PWMA

GPIO_P13/PWM3

GPIO_P26/PWM0

I2C_MDA/GPIO_P11

I2C_MCL/GPIO_P10

RST

ICLK4

IVDD_O/DPM

AVD

DDP

GPIO_P17/SAR0

ICLK1/GSC

ICLK2

ICLK3

GPIO_P42/PWMB

GPIO_P24/PWM2

GPIO_P27/PWM2

GPIO_P12

GPIO_P12/PWM3

GPIO_P25/PWM1

GPIO_P08

GPIO_P09

TSUMU1BRWL3-LF-1

U401

RX0-

DDCSDA2

GPIO wakeup input:

GPIO_P43 (GPIO source 0) #1

GPIO_P40 (GPIO source 1) #32

GPIO_P25 (GPIO source 2) #86

GPIO_P41 (GPIO source 3) #41

DVI 5V detection

(0) PAD_GPIO_08:pin #87

(BK4_23h[1:0] set 0)

(1) PAD_GPIO_12:pin #46

(BK4_23h[1:0] set 2)

RX2+

LED_R

RX0+

KEY 2

KEY 1

KEY 2

MSCL

MSDA

RXC+

RX1-

LED_G

RX1+

RXC-

KEY 1

POWER_KEY #

DET_CABLE

POWER_KEY #

DDCSCL1

DDCSCL2

RX2-

EE_WP

CMVCC1

CMVCC1 2,3,4

R405

0R01 1/10W

R412

10K 1/16W 5%

R404

0R01 1/10W

R410

2K2 1/16W 5%

LED_R

LED_G

Q401

LMBT3906LT1G

Q402

LMBT3906LT1G

P20

R411

2K2 1/16W 5%

LED_GRN/BLUE

R413
10K 1/16W 5%

CMVCC1

LED_ORANGE

adj_BACKLIGHT

KEY 1
POWER_KEY #
LED_R

KEY 2
LED_G

KEY 2

LED_G

KEY 1

POWER_KEY #

LED_R

TOUCH

MSDA

EE_WP

P25

P19

P10

P23

P14

P17

P12

P18

P24

P26

P11

P16

P13

P21

P22

P15

P27

DDC_WP

on_BACKLIGHT

R450

NC/10K+-5%1/16W

R414

100OHM1/16W

C432

16V

R431

3.9K1/16W

R435

NC/22K1/16W

CN403

NC/CONN

C413

10uF 10V

CE#

WP#

GND

VDD

HOLD#

SCK

U402

Pm25LD020C-SCE

R402

10K+-5%1/16W

R432

3.9K1/16W

C414

100N 16V

1
2

3
4
5
6

CN401

CONN

R420

NC/0R05OHM1/16W

ZD401

FB401

300OHM

C403

100N 16V

R401

100OHM1/16W

FB408

NC/120 OHM

C428
47pF 50V

R441

10K+-5%1/16W

FB403

300OHM

MSCL

R728

0R05OHM1/16W

C433

16V

R416

0R05OHM1/16W

R419

NC/0R05OHM1/16W

R426

100OHM1/16W

R403

100K1/16W

C421

100N 16V

R443

0R05OHM1/16W

C441

FB402

300OHM

C429

220N16V

C423

100N 16V

C431

16V

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 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 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 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 ...

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