Related Manuals for LG Flatron LB700G-GD
Summary of Contents for LG Flatron LB700G-GD
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Page 1: Color Monitor
COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-42 FACTORY MODEL: LB700G MODEL: L1710S (LB700G-GU) L1710S (LB700G-GD) CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -
Page 2: Table Of Contents
CONTENTS SPECIFICATIONS ........... 2 ADJUSTMENT ............11 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......12 TIMING CHART ............4 PRINTED CIRCUIT BOARD........15 OPERATING INSTRUCTIONS ........ 5 EXPLODED VIEW...........18 WIRING DIAGRAM ..........6 REPLACEMENT PARTS LIST .......20 BLOCK DIAGRAM ........... 8 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: 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 5: Operating Instructions
OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW D-Sub Signal Connect See Front Control Panel Power Connect Front Control Panel 1. Power ON/OFF Button 5. SELECT Button Use this button to turn the monitor on or off. Use this button to enter a selection in the On Screen Display. Use this button to scanning auto adjust. -
Page 6: Wiring Diagram
WIRING DIAGRAM (AU Module) Connector Ass’y P/N: 6631T11012W Connector Ass’y P/N: 6631T25008V Power Board Connector Ass’y P/N: J702 6631T12002L J705 J710 Main Board Connector Ass’y P/N: 6631T12002M Control Board LCD Module... - Page 7 WIRING DIAGRAM (Hydis Module) Connector Ass’y P/N: 6631T11012W Connector Ass’y P/N: 6631T25008V Power Board Connector Ass’y P/N: J702 6631T12002L J705 J710 Main Board Connector Ass’y P/N: 6631T12002M Control Board LCD Module...
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Page 8: Block Diagram
LVDS R,G,B (Low Voltage differential Differential Signaling) AVDD2.5V AVDD3.3V Address DVDD2.5V DVDD3.3V AVDD 3.3V DVDD 3.3V Data 8 Bi t AVDD 2.5V DVDD 2.5V AC Inpu t R,G,B, H/V Sync... -
Page 9: Description Of Block Diagram
DESCRIPTION OF BLOCK DIAGRAM 1. Video Controller Part & Display Data Transmitter 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. -
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- COLLENTI CONTROL COUPLER CIRCUIT ISOLATION PRIMARY SECONDARY High Voltage output INVERTER CIRCUIT Operation description_LIPS 1. -
Page 11: Adjustment
ADJUSTMENT All adjustment are thoroughly checked and corrected 2. Adjustment for White Balance when the monitor leaves the factory, but sometimes 1) Display Black pattern at SXGA/60Hz. several minor adjustment may be required. 2) Select COLOR BIAS CALIBRATION command Adjustment should be following procedure and after and Enter. -
Page 12: Troubleshooting Guide
TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK J702 TROUBLE IN INPUT VOLTAGE LIPS (POWER) (12V) ? CHECK J702 TROUBLE IN 5V VOLTAGE LIPS (POWER) (5V) ? CHECK U203’s PIN 103. TROUBLE IN IS THIS PIN U203 or X201 OSCILLATED? TROUBLE SOMEWHERE ELSE... - Page 13 2. NO RASTER NO RASTER CHECK J702 PIN 5, 6 TROUBLE IN (5V) ? LIPS CHECK TROUBLE IN J705 PIN 1, 2, 3 U804 (5V) ? CHECK TROUBLE IN U801 U801 (3.3V)? CHECK TROUBLE IN U203(GM2121) ? U203 TROUBLE IN LCD MODULE...
- Page 14 3. NO CLOCK (CLOCK GENERATOR) NO DOT CLOCK CHECK TROUBLE IN X201 20MHz ? X201 4. TROUBLE IN DPM TROUBLE IN DPM CHECK CHECK PC R713, R715 PC IS NOT GOING (SYNC) ? INTO DPM OFF MODE CHECK U203 PIN 102 TROUBLE IN WAVEFORM X201...
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Page 15: Printed Circuit Board
PRINTED CIRCUIT BOARD 1. MAIN BOARD (Component Side) J704 J710 J705 C217 C209 C819 C817 L823 C818 C211 R227 C280 R228 R821 C210 R225 D701 D710 C281 R226 C204 R224 C282 R223 C235 R219 C860 D709 R734 R733 R231 C706 R205 R217 C704... -
Page 16: Au Module
To apply the AU Module. 3. ADAPTER BOARD (Component Side) 4. ADAPTER BOARD (Solder Side) -
Page 17: Hydis Module
To apply the HYDIS Module. 5. ADAPTER BOARD (Component Side) 6. ADAPTER BOARD (Solder Side) -
Page 18: Exploded View
EXPLODED VIEW... -
Page 19: Exploded View Parts List
EXPLODED VIEW PARTS LIST Description Ref. No. Part No. CABINET ASSEMBLY, LB700G BRAND 3090TKL053A HF350U 3091TKL053B LCD(LIQUID CRYSTAL DISPLAY) HT17E12-100 HYUNDAI TFT COLOR LVDS TYPE SSM 6304FHD005A LCD(LIQUID CRYSTAL DISPLAY) M170EN05 AU TFT COLOR 17.0" SXGA LVDS SMM 6304FAU005A BACK COVER ASSEMBLY, LB700G 3808TKL039A HF350U 3809TKL035B TILT SWIVEL ASSEMBLY LM805L -HIPS NO USB 3043TKK091E... -
Page 20: 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: 2002. 10. 16. DATE: 2002. 10. 16. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. - Page 21 DATE: 2002. 10. 16. DATE: 2002. 10. 16. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION TRANSISTOR R715 0RJ1002D677 10K OHM 1/10 W 5% 1608 R/TP Q202 0IKE702900D KIA7029AP TO-92 TP 2.9V DETECT R716 0RJ0472D677 47 OHM 1/10 W 5% 1608 R/TP...