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LG Flatron L1710M Service Manual

Color monitor
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See also: Installation Manual

COLOR MONITOR

SERVICE MANUAL

CHASSIS NO. :
CL-66
MODEL:
(
) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Website:http://biz.LGservice.com
E-mail:http://www.LGEservice.com/techsup.html
L1710M
(L1710MN.AL**G,AN**EF)
*To apply the Genesis ZAN3SL Chip.

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Summary of Contents for LG Flatron L1710M

  • Page 1: Color Monitor

    Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-66 MODEL: L1710M (L1710MN.AL**G,AN**EF) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. *To apply the Genesis ZAN3SL Chip.

  • Page 3: Table Of Contents

    CONTENTS SPECIFICATIONS ........... 2 SERVICE OSD ............13 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......14 TIMING CHART ............7 WIRING DIAGRAM ..........18 DISASSEMBLY ............8 EXPLODED VIEW...........19 BLOCK DIAGRAM ........... 9 REPLACEMENT PARTS LIST .......21 DESCRIPTION OF BLOCK DIAGRAM....10 ADJUSTMENT ............

  • Page 4: 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 5: Servicing Precautions

    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 6 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 7 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 8: Timing Chart

    TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Back Total Front Display Sync. Mode Section Polarity Frequency Period Porch Porch Resolution Clock ( A ) ( C ) ( E ) ( D ) ( B )

  • Page 9: Disassembly

    DISASSEMBLY Remove the screws. Remove the screws. Disassemble Back Cabinet. Remove the Back Cabinet by drawing indicated area. Pull out the cable. Remove the screws. Remove the 4 screws from each side of metal Pull out the link cable while pushing up the main frame.

  • Page 10: Block Diagram

    BLOCK DIAGRAM - 9 -...

  • Page 11: Description Of Block Diagram

    DESCRIPTION OF BLOCK DIAGRAM 1. Video Controller Part. This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the digital video signal using a pixel clock. The pixel clock for each mode is generated by the PLL. The range of the pixel clock is from 25MHz to 135MHz.

  • Page 12: Lips Board Block Diagram

    LIPS Board Block Diagram 50 ~ 60Hz 100KHz INPUT RECTIFIER HVDC ENERGY OUTPUT RECTIFIER AND FILTER COMPONENTS TRANSFER AND FILTER LINE 100 ~ 240V SIGNAL PHOTO- PWM CONTROL COLLENT- COUPLER CIRCUIT ISOLATION PRIMARY SECONDARY Operation description_LIPS 1. EMI components. This part contains of EMI components to comply with global marketing EMI standards like FCC,VCCI CISPR, the circuit included a line-filter, across line capacitor and of course the primary protection fuse.

  • Page 13: Adjustment

    ADJUSTMENT 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 14: Service Osd

    SERVICE OSD 1) Turn off the power switch at the front side of the display. 2) Wait for about 5 seconds and press MENU, POWER switch with 1 second interval. 3) The SVC OSD menu contains additional menus that the User OSD menu as described below. a) Auto Color : W/B balance and Automatically sets the gain and offset value.

  • Page 15: Troubleshooting Guide

    TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER BOARD, CHECK J705 AND FIND OUT A SHORT VOLTAGE POINT AS OPENING PIN5, PIN6 (5V)? EACH POWER LINE CHECK CHECK 5VS LINE U501 PIN 8 VOLTAGE (OPEN CHECK) (5V) ? NO PROBLEM CHECK KEY CONTROL...
  • Page 16 2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS NO RASTER (OSD IS NOT DISPLAYED) CHECK POWER BOARD, J705 AND FIND OUT A SHORT PIN5, PIN6 POINT AS OPENING EACH POWER LINE CHECK MICOM INV ON/OFF J705 PIN9 PORT. 2.5V? 1.
  • Page 17 3. NO RASTER (OSD IS NOT DISPLAYED) – MSTAR NO RASTER (OSD IS NOT DISPLAYED) U201 CHECK U801 (17", 19") PIN 18, 90 CHECK U803 (15") 3.3V? U201 1. CHECK PIN122, 123 PIN96, 97 SOLDERING CONDITION OSCILLATE AS 2. CHECK X501 12MHZ? 3.
  • Page 18 4. TROUBLE IN DPM TROUBLE IN DPM CHECK CHECK PC R216, R778 H-SYNC PC IS NOT GOING R217, R781 V-SYNC INTO DPM OFF MODE CHECK U501 PIN 43.44 CHECK H/V SYNC LINE SYNC PULSE ? TROUBLE IN U501 Waveforms 3 R217, R781 V-SYNC R216, R778 H-SYNC - 17 -...

  • Page 19: Wiring Diagram

    WIRING DIAGRAM Connector Ass’y P/N: 6631T11012W Connector Ass’y P/N: Connector Ass’y P/N: 6631T20024C 6631T20020Q Connector Ass’y P/N: Connector Ass’y P/N: 6631T20010B 6631T20024C - 18 -...
  • Page 20 - 19 -...

  • Page 21: Exploded View

    LCD(LIQUID CRYSTAL DISPLAY), LM170E01-A5N5 LG PHILPS TFT COLOR LPL NJ,250NITS,SXGA,LVDS or 6304FLP110B LCD(LIQUID CRYSTAL DISPLAY), LM170E01-A5N5 LG PHILPS TFT COLOR PART NUMBER CHANGE FOR COST COMPENSATION or 6304FLP199A LCD(LIQUID CRYSTAL DISPLAY), LM170E01-A6K3 LG PHILPS TFT COLOR 8MS,LPL NJ/KUMI,PB FREE,EGI,SS S D-IC,EGI,250NITS,SXGA,LVDS...

  • Page 22: 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. 04. 22. DATE: 2005. 04. 22. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC.
  • Page 23 DATE: 2005. 04. 22. DATE: 2005. 04. 22. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION CONTROL BOARD R534 0RJ0000D677 0 OHM 1/10 W 5% 1608 R/TP R535 0RJ3301D677 3.3K OHM 1/10 W 5% 1608 R/TP 0RD4701Q609 4.70K 1/4W(3 5% TA52 R537...
  • Page 24 DATE: 2005. 04. 22. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C934 0CK104CK56A 0.1UF 1608 50V 10% R/TP X7R C935 0CK104CK56A 0.1UF 1608 50V 10% R/TP X7R C936 0CH8107F611 100UF 16V M 85STD(CYL) R/TP C937 0CC102CK41A 1000PF 1608 50V 5% R/TP NP0 C938 0CC101CK41A 100PF 1608 50V 5% R/TP NP0...

  • Page 25: Schematic Diagram

    SCHEMATIC DIAGRAM 1. SCALER - 24 -...
  • Page 26 2. MICOM - 25 -...
  • Page 27 3. POWER - 26 -...
  • Page 28 4. CONNECTOR & JACKS - 27 -...
  • Page 29 5. CONTENTS - 28 -...
  • Page 30 6. CONTENTS - 29 -...
  • Page 31 7. CONTENTS - 30 -...
  • Page 32 Apr. 2005 P/NO : 3828TSL082T Printed in Korea...

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Flatron l1710mn.algFlatron l1710mn.anefFlatron l1710an**ef

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