LG Flatron L1710M Service Manual
LG Flatron L1710M Service Manual

LG Flatron L1710M Service Manual

Color monitor
Hide thumbs Also See for Flatron L1710M:

Advertisement

COLOR MONITOR

SERVICE MANUAL

CHASSIS NO. :
CL-61
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
(L1710MM-AL**R)
*To apply the Mstar Chip.

Advertisement

Table of Contents
loading

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-61 MODEL: L1710M (L1710MM-AL**R) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. *To apply the Mstar Chip.
  • Page 2 - 1 -...
  • Page 3: Table Of Contents

    CONTENTS SPECIFICATIONS ........... 2 DESCRIPTION OF BLOCK DIAGRAM.....8 PRECAUTIONS ............3 ADJUSTMENT ............10 TIMING CHART ............4 TROUBLESHOOTING GUIDE ......12 OPERATING INSTRUCTIONS ........ 5 EXPLODED VIEW...........16 WIRING DIAGRAM ..........6 REPLACEMENT PARTS LIST .......18 BLOCK DIAGRAM ........... 7 SCHEMATIC DIAGRAM .........
  • 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, disconnect the AC adapter because...
  • Page 5: Timing Chart

    TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Total Period Video Active Time Front Porch Sync Duration Back Porch Sync Mode Resolution Frequency Clock Polarity Sort 31.469 640x350 25.175 70Hz...
  • Page 6: Operating Instructions

    OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW Headphone/ Front Control Panel Earphone Input REAR VIEW(BOTTOM) Power Connect AUDIO MICROPHONE MICROPHONE D-Sub Connect Front Control Panel 1. Power Button Button Use this button to turn the display on or off. Use these buttons to choose or adjust items in the <Power (DPMS) Indicator>...
  • Page 7: Wiring Diagram

    Front Control Panel 4. AUTO/SELECT Button 6. MUTE Button Use this button to enter a selection in the On Used to select mute on (means sound off) and Screen Display. mute off (means sound on). When adjusting your display CONTROLS LOCKED/UNLOCKED settings, always press the : MENU and Button...
  • Page 8: Block Diagram

    BLOCK DIAGRAM - 7 -...
  • Page 9: Description Of Block Diagram

    DESCRIPTION OF BLOCK DIAGRAM 1. Video Controller Part & Display Data Transmitter Part.(MST9111B) This part amplifies the level of the video signal for digital conversion and converts the analog video signal to the digital video signal using a pixel clock. The pixel clock for each mode is generated by the PLL.
  • Page 10: Lips Board Block Diagram

    LIPS Board Block Diagram 50 ~ 60Hz 100KHz HVDC INPUT RECTIFIER ENERGY OUTPUT RECTIFIER COMPONENTS AND FILTER TRANSFER AND FILTER LINE 100 ~ 240V SIGNAL PHOTO- COLLECTI CONTROL 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 line-filter-built-in circuit, across line capacitor and the primary protection fuse of course.
  • Page 11: 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 => Doesn’t need setup Windows 2000, XP => Need to Port Setup. This program is available for LCD Monitor only. 1.
  • Page 12: Service Osd

    Video Signal Compatible PC Generator PARALLEL PORT Power inlet (required) 4.7K 4.7K Power Select Switch 74LS06 (110V/220V) 4.7K Power LED 74LS06 ST Switch V-Sync On/Off Switch (Switch must be ON.) Figure 1. Cable Connection SERVICE OSD 1) Turn off the power switch at the front side of the display. 2) Wait for about 3 seconds and press MENU, POWER switch with 1 second interval.
  • Page 13: Troubleshooting Guide

    TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER BOARD, AND FIND CHECK J705 VOLTAGE OUT A SHORT POINT PIN5, PIN6 (5V)? AS OPENING EACH POWER LINE CHECK CHECK 5VS LINE U501 PIN 8 Voltage (OPEN CHECK) (5V) ? NO PROBLEM CHECK KEY CONTROL...
  • Page 14 2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS NO RASTER (OSD IS NOT DISPLAYED) CHECK J705 VOLTAGE CHECK LIPS PIN5, PIN6(5V)? CHECK J705 CHECK MICOM INV VOLTAGE ON/OFF PORT. PIN5, PIN6(5V)? 1. CONFIRM BRIGHTNESS CHECK J705 OSD CONTRL STATE. VOLTAGE 2.
  • Page 15 3. NO RASTER (OSD IS NOT DISPLAYED) – MST9011B NO RASTER (OSD IS NOT DISPLAYED) CHECK U201 POWER CHECK U801 PINS(3.3V, 2.5V)? 1. CHECK PIN122, 123 CHECK PIN122, 123 SOLDERING CONDITION OSCILLATE 2. CHECK X501 AS 12MHZ? 3. TROUBLE IN U201 U501 PIN43 IS 48KHz H-SYNC? CHECK CONNECTION LINE...
  • Page 16 4. TROUBLE IN DPM TROUBLE IN DPM CHECK CHECK PC R773, R775 PC IS NOT GOING (SYNC)? INTO DPM OFF MODE CHECK CHECK H/V SYNC U501 PIN 43,44 LINE SYNC PULSE? TROUBLE SOMEWHERE ELSE(U501) - 15 -...
  • Page 17 - 16 -...
  • Page 18: Exploded View

    CABINET ASSEMBLY, L1710MM BRAND , MX, LG LOGO - "RED" - MEXICO 3091TKL069K CABINET ASSEMBLY, L710MM BRAND , SILVER SPRAY, "F"-C/SKD - IRAN 6304FLP086A LCD(LIQUID CRYSTAL DISPLAY), LM170E01-A5K6 LG PHILPS TFT COLOR LVDS SXGA OKI GATE D-IC or 6304FLP110A LCD(LIQUID CRYSTAL DISPLAY), LM170E01-A5N5 LG PHILPS TFT COLOR LPL NJ,250NITS,SXGA,LVDS 3809TKL048A...
  • Page 19: 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: 2004. 3. 31. DATE: 2004. 3. 31. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC.
  • Page 20 DATE: 2004. 3. 31. DATE: 2004. 3. 31. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R208 0RJ0682D677 68 OHM 1/10 W 5% 1608 R/TP R725 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP R209 0RJ0682D677 68 OHM 1/10 W 5% 1608 R/TP...
  • Page 21 DATE: 2004. 3. 31. DATE: 2004. 3. 31. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C905 0CE108EF618 1000UF KMG 16V M FL TP 5 R912 0RJ1000D677 100 OHM 1/10 W 5% 1608 R/TP C906 0CK474CH94A "0.47UF 1608 25V 80%,-20% R/TP"...
  • Page 22: Schematic Diagram

    SCHEMATIC DIAGRAM 1. H/V SYNC DETECT - 21 -...
  • Page 23 2. MICOM - 22 -...
  • Page 24 3. POWER - 23 -...
  • Page 25 4. CONNECTOR & JACKS - 24 -...
  • Page 26 5. AUDIO - 25 -...
  • Page 27 6. AUDIO - 26 -...
  • Page 28 Mar. 2004 P/NO : 3828TSL074R Printed in Korea...

Table of Contents