LG Flatron M3200C Service Manual
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LG Flatron M3200C Service Manual

LG Flatron M3200C Service Manual

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COLOR MONITOR
SERVICE MANUAL
Downloaded from
www.Manualslib.com
CHASSIS NO. : CL-70
MODEL:
(
) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Website:http://biz.LGservice.com
E-mail:http://www.LGEservice.com/techsup.html
M3200C
(M3200C-SAFC.AL**LF)
M3200C
(M3200C-BAFC.AL**LF)
M3200C
(M3200C-BAC.AL**LF)

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  • Page 1 Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-70 MODEL: M3200C (M3200C-SAFC.AL**LF) M3200C (M3200C-BAFC.AL**LF) M3200C (M3200C-BAC.AL**LF) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Downloaded from www.Manualslib.com manuals search engine...

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ........... 2 SERVICE OSD ............13 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......14 TIMING CHART ............7 WIRING DIAGRAM ..........20 BLOCK DIAGRAM ........... 9 EXPLODED VIEW...........21 DESCRIPTION OF BLOCK DIAGRAM....10 REPLACEMENT PARTS LIST .......23 ADJUSTMENT ............11 SCHEMATIC DIAGRAM .........

  • Page 3: Precautions

    PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING BE CAREFUL ELECTRIC SHOCK ! • There are some special components used in LCD monitor that are important for safety. These parts are • If you want to replace with the new backlight (CCFL) or marked on the schematic diagram and the inverter circuit, must disconnect the AC adapter...
  • Page 4 SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this 9. Use with this receiver only the test fixtures specified in service manual and its supplements and addenda, read this service manual. and follow the SAFETY PRECAUTIONS on page 3 of this CAUTION: Do not connect the test fixture ground strap publication.
  • Page 5 General Soldering Guidelines Replacement 1. Use a grounded-tip, low-wattage soldering iron and 1. Carefully insert the replacement IC in the circuit board. appropriate tip size and shape that will maintain tip 2. Carefully bend each IC lead against the circuit foil pad and solder it.
  • Page 6 Circuit Board Foil Repair At Other Connections Excessive heat applied to the copper foil of any printed Use the following technique to repair the defective copper circuit board will weaken the adhesive that bonds the foil pattern at connections other than IC Pins. This technique to the circuit board causing the foil to separate from or involves the installation of a jumper wire on the "lift-off"...

  • Page 7: Timing Chart

    TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> 1) PC Mode Total Video Front Sync Back Sync Period Porch Porch MODE Active Duration H / V Frequency Resolution Polarity Clock...
  • Page 8 2) Component Video Mode(Y/Pb/Pr) Total Video Front Back Sync Sync MODE Period Active Porch Duration Porch H / V Frequency Resolution Polarity Clock ( E ) Time ( A ) ( C ) ( D ) ( F ) H(Pixels) 25.175 31.469 SDTV...

  • Page 9: Block Diagram

    BLOCK DIAGRAM(uPD64011+gm1501H) Logo LED Assy 5P Wafer 15P W afer 10P W afer 9P Wafer Po wer Assy RS232 In/Out Control Assy - 9 - Downloaded from www.Manualslib.com manuals search engine...

  • Page 10: Description Of Block Diagram

    DESCRIPTION OF BLOCK DIAGRAM 1. INPUT SELECTION CIRCUIT This IC is converting 16bit interlace input signal in to 1) D-SUB RGB INPUT SELECT : This section is 16bit De-interlace signal and the signal is sent to composed of Signal selector IC(BA7657F_U121) Video Signal Processor IC(gm1501H_U402).Ä...

  • Page 11: Adjustment

    ADJUSTMENT All adjustment are thoroughly checked and corrected 2. DDC Data Write Procedure-Digital when the monitor leaves the factory, but sometimes 1) Use this procedure only when there is some several minor adjustment may be required. problem on Digital EDID data. Adjustment should be following procedure and after 2) Run alignment program for M3200C on the IBM warming up for a minimum of 30 minutes.

  • Page 12: Downloaded From Www.manualslib.com Manuals Search Engine

    Windows EDID V1.0 User Manual 2. EDID Read & Write 1) Run WinEDID.exe Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don’t need setup Windows 2000, XP => Need to Port Setup. This program is available to LCD Monitor only. 1.

  • Page 13: Service Osd

    RS232 Select Normal ■ The OSD is displayed when Audio Key is pressed on Nvram Initial in Service Menu. LG Hotel Mode Set Up Channel Change ■ Purpose Input Mode Change - Function : The setting can be adjusted when the unit is being used in a hotel.

  • Page 14: Troubleshooting Guide

    TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK J601 VOLTAGE CHECK POWER BOARD (18V, 12V, 5V)? CHECK J603 VOLTAGE CHECK POWER BOARD (12V, 24V) ? CHECK X401 CHECK X401 (14.318MHz) ? CHECK J601 CHECK MICOM(U402) (SUB POWER) ? SUB POWER PORT 1.
  • Page 15 2. NO RASTER(OSD IS NOT DISPLAYED) NO RASTER (OSD IS NOT DISPLAY) CHECK U402 CHECK THE PERIPHERAL IC OUTPUT WAVE? U402 CHECK CHECK WAFER AND POWER INVERTER VOLTAGE BOARD ( 12V,24V)? CHECK CHECK MODULE INPUT MODULE LINK CABLE WAVE? 1. CHECK INVERTER 2.
  • Page 16 3. NO RASTER STATE ON VIDEO SIGNAL NO RASTER STATE ON VIDEO SIGNAL REMARK : POWER CHECK POWER CHECK OF CXA2040 (U201) : U204(9V) POWER CHECK OF UPD64012 (U801) : U803(3.3V), U804(1.5V) POWER CHECK OF MST9883C (U303) : U304(3.3V) POWER CHECK OF MDIN150L (U901) : U907(3.3V), U908(2.5V) POWER CHECK OF GM1501H (U402) CHECK THE PERIPHERAL NO RASTER IS COMPONENT1...
  • Page 17 4. NO RASTER STATE ON RGB SIGNAL NO RASTER STATE ON RGB SIGNAL REMARK : POWER CHECK POWER CHECK OF BA7657F (U121) : 5VP POWER CHECK OF SCHMITT TRIGGER (U123, U124) : 5VP POWER CHECK OF MC14066B (U122) : 5VP POWER CHECK OF GM1501H (U402) INPUT WAFER CHECK (J101) CHECK...
  • Page 18 5. NO RASTER STATE ON DVI SIGNAL NO RASTER STATE ON DVI SIGNAL REMARK : POWER CHECK POWER CHECK OF GM1501H (U402) INPUT WAFER CHECK (J102) NO PROBLEM CHECK THE PERIPHERAL CHECK NO IN / OUTPUT SIGNAL gm1501H(U402) gm1501H(U402) I/O AND SDRAM(U401) SIGNAL? NO PROBLEM...
  • Page 19 6. SOUND TROUBLE SHOOTING REMARK : POWER CHECK POWER CHECK OF MSP3420G (U501) : U522(8V), L502(8V), L501(5V), L505(5V) POWER CHECK OF TPA3004 (U502) : 18V CHECK SOUND OF VCR,DVD,PC,SETOP BOX... CHECK SOUND INPUT = PC (J707) CHECK NO IN / OUTPUT SIGNAL = DTV / DVD (J702) gMSP3420G(U501) I/O = VIDEO (SVBS, S-VIDEO) (J701)

  • Page 20: Wiring Diagram

    Connector Ass’y P/N: 6631T12006P Connector Ass’y P/N: 6631T25024D Connector Ass’y P/N: 6631T11012Q Connector Ass’y P/N: Connector Ass’y P/N: 6631T20029M 6631T20032H Connector Ass’y P/N: 6631T20029C Connector Ass’y P/N: 6631T20034J - 20 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 21 - 21 - Downloaded from www.Manualslib.com manuals search engine...

  • Page 22: Exploded View

    CABLE,DVI, UL20276 DT 2000MM BLACK(9930) LG883D DM 6726TV0001A REMOTE CONTROLLER RECEIVER, TSOP4838SO1 VISHAY 38.0KHZ LF,HOLDERLESS 6852TAZ006J CORD,A/V, A/V KHC-LG-3-0010 UL 2851 #28-2C 1500MM BLACK(9930) KSD WITH CORE LM295B 6852TAZ006V CORD,A/V, RCA TO STEREO CABLE KCA-ET-0-0043 UL2863AWG25 TWI 1870MM WHITE WH/RED-WH - 22 - Downloaded from www.Manualslib.com...

  • Page 23: Replacement Parts List

    REPLACEMENT PARTS LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE SAFETY Mark AL ALTERNATIVE PARTS DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC.
  • Page 24 DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C410 0CE335VK6DC 3.3UF MV 50V 20% R/TP(SMD) S C5015 0CH8106F691 10UF 16V 20% 105STD (CYL) R/ C4101 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP...
  • Page 25 DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C563 0CH3105H946 "1UF 25V 80%,-20% F(Y5V) 2012" C659 0CE227VF6DC 220UF MV 16V 20% R/TP(SMD) S C564 0CH8476H691 47UF 25V 20% 105STD (CYL) R/...
  • Page 26 DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C834 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C939 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C835 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP...
  • Page 27 DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION U111 0DRCE00018A "PACDN004SR,LF CAMD R/TP SOT1" U122 0ISTL00026A "MC14066BDR2G,LF ON SEMI 14P," ZD1001 0DZ360009EB UDZ 3.6B TP ROHM SOD323 200M U123 0ISTLFA058A...
  • Page 28 DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L107 6210TCE001Y HB-1H2012-320JT CERATEC 2012 L904 6210TCE001G HH-1M3216-501 CERATEC 3216MM L108 6210TCE001A HB-1S2012-080JT CERATEC 2012 L905 6210TCE001G HH-1M3216-501 CERATEC 3216MM...
  • Page 29 DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R1051 0RJ1001D677 1K OHM 1/10 W 5% 1608 R/TP R152 0RJ8200D677 820 OHM 1/10 W 5% 1608 R/TP R1052 0RJ1002D677 10K OHM 1/10 W 5% 1608 R/TP...
  • Page 30 DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R276 0RJ4700D677 470 OHM 1/10 W 5% 1608 R/TP R442 0RJ1001D677 1K OHM 1/10 W 5% 1608 R/TP R277 0RJ4700D677 470 OHM 1/10 W 5% 1608 R/TP...
  • Page 31 DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R503 0RJ1001D677 1K OHM 1/10 W 5% 1608 R/TP R607 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP R504 0RJ1001D677 1K OHM 1/10 W 5% 1608 R/TP...
  • Page 32 DATE: 2005. 05. 24. DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R901 0RJ0222D677 22 OHM 1/10 W 5% 1608 R/TP RA912 0RHZTCZ001D RCA SMART 22OHM 1/16 W 5% 32 R906 0RJ0222D677 22 OHM 1/10 W 5% 1608 R/TP...
  • Page 33 DATE: 2005. 05. 24. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R804 0RH5100D622 510 OHM 1 / 10 W 2012 5.00% R805 0RH5100D622 510 OHM 1 / 10 W 2012 5.00% R806 0RH5100D622 510 OHM 1 / 10 W 2012 5.00% R807 0RH5100D622 510 OHM 1 / 10 W 2012 5.00%...

  • Page 34: Schematic Diagram

    SCHEMATIC DIAGRAM 1. AUDIO CTL / AMP - 34 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 35 2. SCALER (GM1501) - 35 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 36 3. MST9883 - 36 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 37 4. POWER / CONNECTOR - 37 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 38 5. FAN CONTROL / RS232C / OUTPUT CONNECTOR - 38 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 39 6. UPD64012 / K4S161622 - 39 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 40 7. MDIN150 / MEMORY - 40 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 41 8. DSUB / DVI-D / BA7657 - 41 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 42 9. CXA2040AQ / TUNER / M37272M6 / AV-JACK - 42 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 43 10. KEY CONTROL - 43 - Downloaded from www.Manualslib.com manuals search engine...
  • Page 44 Jun. 2005 P/NO : 38289S0001T Printed in Korea Downloaded from www.Manualslib.com manuals search engine...

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