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Related Manuals for LG Flatron L1510B
Summary of Contents for LG Flatron L1510B
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Page 1: Color Monitor
Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-32 FACTORY MODEL: LB504J MODEL: L1510B (LB504J-GL) L1510B (LB504J-GU) ) 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 ............3 TROUBLESHOOTING GUIDE ......14 TIMING CHART ............4 PRINTED CIRCUIT BOARD........18 OPERATING INSTRUCTIONS ........ 5 EXPLODED VIEW...........21 WIRING DIAGRAM ..........7 REPLACEMENT PARTS LIST .......23 BLOCK DIAGRAM ........... 9 PIN CONFIGURATION..........27 DESCRIPTION OF BLOCK 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 Total Video Blanking Sync Back Front Sync Frequency MODE H / V Resolution Period Active Time Duration Porch Porch Polarity Clock ( E ) Time ( A ) ( B ) ( D ) ( F ) ( C ) 25.175 31.468 KHz... -
Page 5: Operating Instructions
OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW See front control panel Power Connector D-Sub Signal Connector Front Control Panel 1. Power Button 4. AUTO/SELECT Button Use this button to turn the display on or off. Use this button to enter a selection in the On <Power (DPMS) Indicator>... -
Page 6: 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 7: Wiring Diagram
WIRING DIAGRAM (LG Philips Module) Connector the Main PCB Ass’y and Inverter. P902 Connector Ass’y : P/N: 6631T11012V Connector Ass’y : P/N: 6631T20008G Connector Ass’y : J702 J705 P/N: 6631T12002H J706 J707 P902 J706 J707 Connector Ass’y : P/N: 6631T20015P Connector the Control PCB Ass’y and Main PCB Ass’y. - Page 8 WIRING DIAGRAM (AUO Module) Connector the Main PCB Ass’y and Inverter. P902 Connector Ass’y : P/N: 6631T11011H Connector Ass’y : Connector Ass’y : P/N: 6631T20008G P/N: 6631T12002H J702 J705 J706 J707 P902 J702 Connector Ass’y : P/N: 6631T20015P J706 J707 Connector the Control PCB Ass’y and Main PCB Ass’y.
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Page 9: Block Diagram
BLOCK DIAGRAM (LG Philips Module) - 9 -... -
Page 10: Description Of Block Diagram
DESCRIPTION OF BLOCK DIAGRAM (LG Philips Module) 1. Scaler One chip IC(GMZAN-2, U201) GMZAN-2 (U201) is one chip IC which it supports four internal function blocks of Video Amp, PLL, A/D converter and Video processor. Video signal (0.7Vp.p) clamped through C207, 208, 209 with matching IC’s proper cut off voltage. - Page 11 BLOCK DIAGRAM (AUO Module) - 11 -...
- Page 12 DESCRIPTION OF BLOCK DIAGRAM (AUO Module) 1. Scaler One chip IC(GMZAN-2, U201) GMZAN-2 (U201) is one chip IC which it supports four internal function blocks of Video Amp, PLL, A/D converter and Video processor. Video signal (0.7Vp.p) clamped through C207, 208, 209 with matching IC’s proper cut off voltage. This signal is processed as a proper 8 bit digital signal by U201’s amplifying, phase locking, A/D converting, and scaling operations.
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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 color 0,0 pattern at Mode 13. several minor adjustment may be required. 2) Set External Bright to MAX position and Contrast to Adjustment should be following procedure and after MAX Position. -
Page 14: Troubleshooting Guide
TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER CHECK J707 BOARD, AND FIND VOLTAGE OUT A SHORT POINT PIN1&PIN2(12V) AS OPENING PIN4(5V)? EACH POWER LINE CHECK U501 PIN 8 CHECK U803. VOLTAGE (5V) ? CHECK CHECK 5VS LINE U805 Voltage (OPEN CHECK) (5V) ? - Page 15 2. NO RASTER (OSD IS NOT DISPLAYED) – INVERTER NO RASTER (OSD IS NOT DISPLAYED) J705 PIN1 CHECK POWER BOARD 12V? CHECK MICOM INV J705 PIN8 ON/OFF PORT. 1. CONFIRM BRIGHTNESS OSD CONTRL STATE. J705 PIN7 2. CHECK MICOM DIM-ADJ PORT CHECK PULSE AS...
- Page 16 CHECK PIN66 IS 48KHz H-SYNC? CONNECTION LINE PIN70 IS 60Hz V-SYNC? FROM U201 TO J402 PIN69 IS 48KHz DEN? IS PULSE APPEARED AT SIGNAL PINS? (LG Philips Module) J402 CHECK U401/U411 PIN74, PIN 1 U805 PIN31 IS 65MHz CLOCK? 3.3V?
- Page 17 4. NO RASTER (OSD IS DISPLAYED) – gmZAN2 NO RASTER (OSD IS DISPLAYED) U201 POWER PIN CHECK U802, U806 3.3V? 1. CHECK PC CHECK 2. CHECK SIGNAL CABLE R,G,B INPUT? U201 PIN 87, 91, 95 & D-SUB CONNECTOR LINE CHECK CHECK H-SYNC LINE H-SYNC INPUT (D-SUB→U701→MICOM...
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Page 18: Printed Circuit Board
PRINTED CIRCUIT BOARD LG Philips Module 1. MAIN BOARD (Component Side) 2. MAIN BOARD (Solder Side) C265 C228 C266 C229 C227 C234 C243 C245 C242 C244 C237 C246 C264 C247 C248 R806 C267 C241 C249 C723 C806 C263 C233 C722... - Page 19 AUO Module 3. MAIN BOARD (Component Side) 4. MAIN BOARD (Solder Side) R806 C723 C806 C722 L709 R804 C718 R803 C719 R802 C805 - 19 -...
- Page 20 5. USB BOARD (Component Side) - 20 -...
- Page 21 - 21 -...
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Page 22: Exploded View Parts List
Ref. No. Part No. CABINET ASSEMBLY, LB504J BRAND 3090TKL038A 3091TKL039F LCD(LIQUID CRYSTAL DISPLAY), LM150X05 C3 LG PHILPS TFT COLOR XGA(1024X768) (LB504J-GL) 6304FLP016A LCD(LIQUID CRYSTAL DISPLAY), L150X3M AU TFT COLOR 1024X768 TTL SMM (LB504J-GU) 6304FAU004A BACK COVER ASSEMBLY, LB500J 3808TKL029A . -
Page 23: 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. 5. 13. DATE: 2002. 5. 13. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. - Page 24 DATE: 2002. 5. 13. DATE: 2002. 5. 13. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION U502 0ISG240860B M24C08W6 SGS-THOMSON 8SOP R/ R506 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP U701 0IMO741420B MC74HCT14ADR2 14P,SOIC TP LE...
- Page 25 DATE: 2002. 5. 13. DATE: 2002. 5. 13. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R807 0RJ1003D677 100K OHM 1/10 W 5% 1608 R/TP 140-058E SKHV10910B LGEC NON 12V 20A R810 0RJ0221D677 2.2 OHM 1/10 W 5% 1608 R/TP...
- Page 26 DATE: 2002. 5. 13. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION 0RJ1501D677 1.5K OHM 1/10 W 5% 1608 R/TP 0RJ1002D677 10K OHM 1/10 W 5% 1608 R/TP 0IRH033200A BA033FP-E2 MOLD-3 TP REGULAT 0IPRPTI007A TUSB2036 TEXAS INSTRUMENT 32 0ITI204200B TPS2042ADR TEXAS INSTRUMENT 6202TST001C SX-1, SUNNY SMD, 6.0MHZ ,50P...
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Page 27: Pin Configuration
PIN CONFIGURATION MC74HCT14ADR2 14P BLOCK DIAGRAM PIN CONFIGURATION PIN 14=V PIN 7=GND - 27 -... -
Page 28: Schematic Diagram
SCHEMATIC DIAGRAM (LG Philips Module) 1. GMZAN2 - 28 -... - Page 29 2. LVDS - 29 -...
- Page 30 3. MICOM - 30 -...
- Page 31 4. DC/DC BLOCK - 31 -...
- Page 32 5. CONNECTOR & JACKS - 32 -...
- Page 33 6. KEY PART - 33 -...
- Page 34 7. POWER - 34 -...
- Page 35 8. USB - 35 -...
- Page 36 SCHEMATIC DIAGRAM (AUO Module) 1. GMZAN2 - 36 -...
- Page 37 2. LVDS - 37 -...
- Page 38 3. MICOM - 38 -...
- Page 39 4. DC/DC BLOCK - 39 -...
- Page 40 5. CONNECTOR & JACKS - 40 -...
- Page 41 6. KEY PART - 41 -...
- Page 42 7. POWER - 42 -...
- Page 43 8. USB - 43 -...
- Page 44 May. 2002 P/NO : 3828TSL083F Printed in Korea...