LG Flatron L1510BF Service Manual Download Page 10 | Manualshive

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BLOCK DIAGRAM

- 8 -

D-SUB

TSU56AL

inc

luding

(ADC/L

VDS/SCALER

/INPUT SWITCHING

/TMDS )

MTV312

MICOM

LCD Module

R,G,B

diff

erential

LIPS

5V

3.3

V

A

C

I

nput

TSU56AL &

TR(KT

A

1273)

12

V

R,G,B

, H

/V

Sync

U/S

D/S

USB

HUB

D/S

1.8

V

3.3

V1

1.8

V

3.3

V1

3.3

V Reg.

78D33

5V

3.3

V1

3.3

V Reg.

78D33

5V

3.3

V

Bus-po

wer

USB

L

VDS

(Lo

w V

olta

g

e

Diff

erential

Signaling)

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Summary of Contents for Flatron L1510BF

Page 1: ...Number of pages 28 Including blank 1page Part No 1 2 Service Guide Specification Service Guide Specification Changes 4 REV NO MM DD YY SIGNATURE CHANGE NO CHANGE CONTENTS 1 2 3 4 5 7 6 SUFFIX LEE H J 05 10 30 L1510BFN LG 38289S0017Y KIM J O 05 10 30 1 Origin Notification LGEDI Printed in Indonesia LGEWA Printed in U K LGESP Printed in Brazil LGEMX Printed in Mexico LGENT Printed in China LGEIL Pri...

Page 2: ...et Pagination sheet P NO 38289S0017Y Total pages 28pages Cover English 3 English 4 English 5 English English Rear Cover Front cover Inside 2 English English 23 English 24 English 25 English 26 Rear cover Inside blank ...

Page 3: ...ANUAL Website http biz LGservice com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 82 MODEL L1510BF L1510BFN AN EP Same model for Service To apply the MSTAR Chip ...

Page 4: ...5 5V 3 Sync Polarity Positive or Negative 3 2 Video Input Signal 1 Type R G B Analoga 2 Voltage Level 0 0 7 V a Color 0 0 0 Vp p b Color 7 0 0 35 Vp p c Color 15 0 0 7 Vp p 3 Input Impedance 75 Ω 3 3 Operating Frequency Horizontal 30 63kHz Vertical 56 75Hz 4 MAX RESOLUTION MAX 1024 x 768 75Hz Recommend 1024 x 768 60Hz 5 POWER SUPPLY 5 1 Power 100 240V 50 60Hz 0 6A 5 2 Power Consumption 6 ENVIRONME...

Page 5: ...e module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty please wipe i...

Page 6: ...st receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 9 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices ...

Page 7: ...tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coati...

Page 8: ...onnection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than IC Pins This technique involves the installation of a jumper wire on t...

Page 9: ...24 800 24 72 128 800 x 600 V Lines 56 25 Hz 625 600 1 2 22 8 H Pixels 40 0 37 879 KHz 1056 800 40 128 88 800 x 600 V Lines 60 3 Hz 628 600 1 4 23 9 H Pixels 50 0 48 077 KHz 1040 800 56 120 64 800 x 600 V Lines 72 188 Hz 666 600 37 6 23 10 H Pixels 49 5 46 875 KHz 1056 800 16 80 160 800 x 600 V Lines 75 0 Hz 625 600 1 3 21 11 H Pixels 57 2832 49 725 KHz 1152 832 32 64 224 832 x 624 V Lines 74 55 Hz...

Page 10: ... SWITCHING TMDS MTV312 MICOM LCD Module R G B differential LIPS 5V 3 3V AC I nput TSU56AL TR KTA 1273 12V R G B H V Sync U S D S USB HUB D S 1 8V 3 3V1 1 8V 3 3V1 3 3V Reg 78D33 5V 3 3V1 3 3V Reg 78D33 5V 3 3V Bus power USB LVDS Low Voltage Differential Signaling ...

Page 11: ...to digital interpolates input to 1024 x 768 resolution signal and outputs 8 bit R G B signal to transmitter 2 Power Part This part consists of the two 3 3V regulator to convert power which is provided 12V 5V in Power board and Micom 3 3V is provided for LCD panel Also 5V is converted 3 3V by regulator and 3 3V is converted 1 8V by scaler KTA1273 Converted power is provided for IC in the main board...

Page 12: ... bridge rectifier and a bulk capacitor 3 Energy Transfer This part function is for transfer the primary energy to secondary through a power transformer 4 Output rectifier and filter This part function is to make a pulse width modulation control and to provide the driver signal to power switch to adjust the duty cycle during different AC input and output loading condition to achieve the dcoutput st...

Page 13: ... is available to LCD Monitor only 1 Port Setup a Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe c Remove all default number d Add 300 3FF e Click Start button f Click Exit button 2 EDID Read Write 1 Run WinEDID exe 2 Edit Week of Manufacture Year of Manufacture Serial Number a Input User Info Data b Click Update button c Click Write button ...

Page 14: ...K Allows you to set the R G B 9300K value manually f R G B 6500K Allows you to set the R G B 6500K value manually g R G B Offset Allows you to set the R G B Offset value manually Analog Only h R G B Gain Allows you to set the R G B Gain value manually Analog Only i MODULE To select applied module 220 IBM Compatible PC PARALLEL PORT Power inlet required Power LED ST Switch Power Select Switch 110V ...

Page 15: ...CK U201 NO NO NO NO CHECK POWER BOARD AND FIND OUT A SHORT POINT AS OPENING EACH POWER LINE CHECK 5VS LINE OPEN CHECK CHECK 3 3V LINE CHECK X TAL CHECK J707 VOLTAGE PIN5 PIN6 5V CHECK U501 PIN 8 VOLTAGE 5V IS U201 PIN 90 3 3V VOLTAGE CHECK U201 PIN 96 PULSE 1 NO PROBLEM Waveforms YES YES YES YES 1 U201 96 ...

Page 16: ...OARD ANDFIND OUT A SHORT POINT AS OPENING EACH POWER LINE CHECK MICOM INV ON OFF PORT 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT LIPS J707 PIN5 PIN6 5V J707 PIN2 2 5V J707 PIN1 5V CHECK PULSE AS CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE YES YES YES YES ...

Page 17: ... U803 15 1 CHECK PIN122 123 SOLDERING CONDITION 2 CHECK X501 3 TROUBLE IN U201 CHECK CONNECTION LINE FROM D SUB TO U501 YES U201 PIN 18 90 3 3V U201 PIN96 97 OSCILLATE AS 12MHZ U501 PIN43 IS 48KHz H SYNC PIN44 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 1 2 Waveforms YES YES 1 2 U201 96 97 U501 43 H SYNC 2 U501 44 V SYNC ...

Page 18: ...DPM TROUBLE IN DPM NO NO TROUBLE IN U501 CHECK PC PC IS NOT GOING INTO DPM OFF MODE CHECK H V SYNC LINE YES CHECK R216 R217 R778 R781 CHECK U501 PIN 43 44 SYNC PULSE 3 Waveforms YES 3 R216 R778 H Sync 3 R217 R781 V Sync ...

Page 19: ...WIRING DIAGRAM 17 Connector Ass y P N 6631T11012R Connector Ass y P N 6631T20022G ...

Page 20: ...EXPLODED VIEW 18 030 080 090 100 110 150 130 140 160 170 190 040 180 200 210 050 220 230 240 120 020 070 060 010 250 260 270 ...

Page 21: ...INGE 68719ST053A PWB PCB ASSEMBLY SUB SUB T T CL82 L1510BFN ANRDEP CONTROL KEY ASSY 3911TKK419B PACKAGE ASSEMBLY L1510SFK BRACKET ASSY TOUCH SCREEN 4951TKS134Q METAL ASSEMBLY FRAME L1510SFN LPLX08 6871TPT282E PWB PCB ASSEMBLY POWER M CHASSIS 15INCH C306 68PF 450V POWER TOTAL LIEN CHANG PB FREE 3313915002A MAIN TOTAL ASSEMBLY L1510BFN BRAND CL 82 3313915002B MAIN TOTAL ASSEMBLY L1510BFN BRAND CL 82...

Page 22: ...7 C819 0CK105CD56A 1UF 1608 10V 10 R TP X7R D701 0DSIH00018A ENKMC2837 T112 LF ISAHAYA R DATE 2005 10 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION D702 0DSIH00018A ENKMC2837 T112 LF ISAHAYA R D706 0DSIH00018A ENKMC2837 T112 LF ISAHAYA R D708 0DSIH00018A ENKMC2837 T112 LF ISAHAYA R D709 0DSIH00018A ENKMC2837 T112 LF ISAHAYA R D710 0DSIH00018A ENKMC2837 T112 LF ISAHAYA R D711 0DSIH00018A ENKMC28...

Page 23: ... TP R825 0RJ2000D677 200 OHM 1 10 W 5 1608 R TP X501 6212AA2004A HC 49U TXC 12 0MHZ 30 PP DATE 2005 10 10 S AL LOC NO PART NO DESCRIPTION SPECIFICATION SW1 140 058E SKHV10910B LGEC NON 12V 20A SW2 140 058E SKHV10910B LGEC NON 12V 20A SW3 140 058E SKHV10910B LGEC NON 12V 20A SW4 140 058E SKHV10910B LGEC NON 12V 20A SW5 140 058E SKHV10910B LGEC NON 12V 20A SW6 140 058E SKHV10910B LGEC NON 12V 20A SW...

Page 24: ...0RJ1501D677 1 5K OHM 1 10 W 5 1608 R TP U1 0IRH033200A BA033FP E2 MOLD 3 TP REGULAT U2 0IPRPTI007A TUSB2036 TEXAS INSTRUMENT 32 U3 0ITI204200B TPS2042ADRG4 LF TEXAS INSTRU X1 6202TST001C SX 1 SUNNY SMD 6 0MHZ 50P ZD1 0DZ560009DA UDZ S 5 6B TP ROHM K SOD323 ZD11 0DZ560009DA UDZ S 5 6B TP ROHM K SOD323 ZD12 0DZ560009DA UDZ S 5 6B TP ROHM K SOD323 ZD4 0DZ560009DA UDZ S 5 6B TP ROHM K SOD323 ZD7 0DZ56...

Page 25: ... 23 SCHEMATIC DIAGRAM 1 TSU56AL TSU16AL 1 U201 96 97 3 R216 R778 H Sync 3 R217 R781 V Sync 1 3 Waveforms ...

Page 26: ... 24 2 MICOM 2 U501 43 H SYNC 2 U501 44 V SYNC 2 Waveforms ...

Page 27: ... 25 3 POWER ...

Page 28: ... 26 4 CONNECTOR JACKS 3 R216 R778 H Sync 3 R217 R781 V Sync 3 Waveforms ...

Page 29: ...Blank Page1 ...

Page 30: ...Oct 2005 P NO 38289S0017Y Printed in Korea ...

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