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.
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...
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...
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>...
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...
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.
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.
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.
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.
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...
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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.
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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...
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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 -...
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.