Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for LG Flatron L1710B
Summary of Contents for LG Flatron L1710B
-
Page 1: Color Monitor
Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-42 FACTORY MODEL: LB700K MODEL: L1710B (LB700K-GU) L1710B (LB700K-GD) ) ID LABEL MODEL No. CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -
Page 2: Table Of Contents
CONTENTS SPECIFICATIONS ........... 2 ADJUSTMENT ............13 PRECAUTIONS ............4 TROUBLESHOOTING GUIDE ......14 TIMING CHART ............5 PRINTED CIRCUIT BOARD........19 OPERATING INSTRUCTIONS ........ 6 EXPLODED VIEW...........24 WIRING DIAGRAM ..........8 REPLACEMENT PARTS LIST .......26 BLOCK DIAGRAM ..........10 SCHEMATIC DIAGRAM ......... -
Page 3: Signal Connector Pin Assignment
Signal Connector Pin Assignment • DVI-I Connector (Digital/Analog) Signal (DVI-I) Signal (DVI-I) T. M. D. S. Data2- Hot Plug Detect T. M. D. S. Data2+ T. M. D. S. Data0- T. M. D. S. Data0+ T. M. D. S. Data2/4 Shield T. -
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: Timing Chart
TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Total Period Back Porch Video Active Time Front Porch Sync Duration Sync Mode Resolution Frequency Clock Sort Polarity 31.469 640x350 25.175 70Hz... -
Page 6: Operating Instructions
OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW D-Sub Signal Connect DVI Connect USB Port See Front Control Panel Power Connect Front Control Panel 1. Power ON/OFF Button Button Use this button to turn the monitor on or off. Use these buttons to choose or adjust items in the On Screen Display. -
Page 7: Usb Connection
Making use of USB (Universal Serial Bus)* USB (Universal Serial Bus) is an innovation in connecting your different desktop peripherals conveniently to your computer. By using the USB, you will be able to connect your mouse, keyboard, and other to your monitor instead of having to connect them to your computer. -
Page 8: Wiring Diagram
WIRING DIAGRAM (AU Module) Connector Ass’y P/N: 6631T11012Q Connector Ass’y P/N: 6631T25008V Power Board Connector Ass’y P/N: J705 6631T12002L J702 J710 Main Board Connector Ass’y P/N: 6631T12002M Control Board LCD Module - 8 -... - Page 9 WIRING DIAGRAM (Hydis Module) Connector Ass’y P/N: 6631T11012Q Connector Ass’y P/N: 6631T25008V Power Board Connector Ass’y P/N: J705 6631T12002L J702 J710 Main Board Connector Ass’y P/N: 6631T12002M Control Board LCD Module - 9 -...
-
Page 10: Block Diagram
BLOCK DIAGRAM - 10 -... -
Page 11: Description Of Block Diagram
DESCRIPTION OF BLOCK DIAGRAM 1. Input signal switching part. There are two inputs which are analog and digital analog input. They come from each 15 pin D-Sub and 24 pin DVI-I connector. 2. 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 pixelclock. -
Page 12: 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 13: 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. 2) Select COLOR → BIAS CALIBRATION command several minor adjustment may be required. Adjustment should be following procedure and after and Enter. -
Page 14: 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 151. TROUBLE IN IS THIS PIN U203 or X201 OSCILLATED? TROUBLE SOMEWHERE ELSE... - Page 15 2. NO RASTER NO RASTER CHECK J702 PIN 1, 2, 5, 6 TROUBLE IN (12V/ 5V) ? LIPS CHECK TROUBLE IN J705 PIN 28, 29, 30 U802 (5V) ? CHECK TROUBLE IN U801 U801 (3.3V)? CHECK TROUBLE IN U201(GM5120) ? U201 CHECK TROUBLE IN...
- Page 16 CHECK TROUBLE IN L236 U201 PULSE ? CHECK CHECK DOT CLOCK U401 PIN 10 PATTERN PULSE ? CHECK CHECK U401 PIN 8 V.PULSE? DVS PATTERN CHECK CHECK U401 PIN 7 DHS PATTERN H.PULSE? TROUBLE IN LCD MODULE - 16 -...
- Page 17 3. NO CLOCK (CLOCK GENERATOR) NO DOT CLOCK CHECK TROUBLE IN X201 20MHz ? X201 CHECK TROUBLE IN R237 U201 CLOCK ? - 17 -...
- Page 18 4. TROUBLE IN DPM TROUBLE IN DPM CHECK CHECK PC R711, R712 PC IS NOT GOING (SYNC) ? INTO DPM OFF MODE CHECK U203 PIN 152 TROUBLE IN WAVEFORM X201 (20MHz) ? CHECK TROUBLE IN U203 PIN 44 SIGNAL CABLE (0V) ? TROUBLE IN PC - 18 -...
-
Page 19: Printed Circuit Board
PRINTED CIRCUIT BOARD 1. MAIN BOARD (Component Side) J706 C817 C845 C860 C819 C840 C413 L823 R810 R407 C818 C401 R401 R409 R402 R408 R403 R405 C410 R404 R406 R746 C706 U401 C808 C811 U803 R272 R207 U801 R208 R209 R210 R211 R262... - Page 20 2. MAIN BOARD (Solder Side) R283 R712 - 20 -...
- Page 21 To apply the AU Module. 3. ADAPTER BOARD (Component Side) 4. ADAPTER BOARD (Solder Side) - 21 -...
- Page 22 To apply the HYDIS Module. 5. ADAPTER BOARD (Component Side) 6. ADAPTER BOARD (Solder Side) - 22 -...
- Page 23 7. CONTROL BOARD 8.USB BOARD - 23 -...
- Page 24 - 24 -...
-
Page 25: Exploded View
EXPLODED VIEW PARTS LIST Description Ref. No. Part No. CABINET ASSEMBLY, LB700K BRAND 3090TKL053A CKD/LGEWA 3091TKL053C LCD(LIQUID CRYSTAL DISPLAY), HT17E12-100 HYUNDAI TFT COLOR LVDS TYPE SSM (LB700K-GD) 6304FHD005A LCD(LIQUID CRYSTAL DISPLAY), M170EN05 AU TFT COLOR 17.0" SXGA LVDS SMM (LB700K-GU) 6304FAU005A BACK COVER ASSEMBLY, LB700K 3808TKL039A CKD/LGEWA 3809TKL035C... -
Page 26: 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. 17. DATE: 2002. 10. 17. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. - Page 27 DATE: 2002. 10. 17. DATE: 2002. 10. 17. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION COILs & COREs C817 0CE107WF6DC 100UF MVK 16V 20% R/TP(SMD) SM C818 0CC102CK41A 1000PF 1608 50V 5% R/TP NP0 L101 6210TCE001G HH-1M3216-501 CERATEC 3216MM R...
- Page 28 DATE: 2002. 10. 17. DATE: 2002. 10. 17. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R239 0RJ1001D477 1K OHM 1/10 W 1% 1608 R/TP R748 0RJ1002D677 10K OHM 1/10 W 5% 1608 R/TP R242 0RJ0000D677 0 OHM 1/10 W 5% 1608 R/TP...
- Page 29 DATE: 2002. 10. 17. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION 140-058E SKHV10910B LGEC NON 12V 20A HO 140-058E SKHV10910B LGEC NON 12V 20A HO 140-058E SKHV10910B LGEC NON 12V 20A HO USB BOARD 0CH8107F611 100UF 16V M 85STD(CYL) R/TP 0CK103CK51A 0.01UF 1608 50V 10% R/TP B(Y5P 0CH3105F946...
-
Page 30: Schematic Diagram
SCHEMATIC DIAGRAM 1. GM5120 - 30 -... - Page 31 2. LVDS - 31 -...
- Page 32 3. DC/DC - 32 -...
- Page 33 4. CONNECTOR - 33 -...
- Page 34 5. INPUT SWITCHING - 34 -...
- Page 35 6. CONTROL KEY - 35 -...
- Page 36 7.USB - 36 -...
- Page 37 8. ADAPTER (AU Module) - 37 -...
- Page 38 9. INVERTER (AU Module) - 38 -...
- Page 39 10. ADAPTER (HYDIS Module) - 39 -...
- Page 40 11. INVERTER (HYDIS Module) - 40 -...