Related Manuals for LG Flatron L1511S
Summary of Contents for LG Flatron L1511S
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Page 1: Color Monitor
COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-32 FACTORY MODEL: LB501K MODEL: L1511S (LB501K-GL) CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -
Page 2: Table Of Contents
CONTENTS SPECIFICATIONS ........... 2 ADJUSTMENT ............9 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......10 TIMING CHART ............4 PRINTED CIRCUIT BOARD........14 OPERATING INSTRUCTIONS ........ 5 EXPLODED VIEW...........15 WIRING DIAGRAM ..........6 REPLACEMENT PARTS LIST .......17 BLOCK DIAGRAM ........... 7 PIN CONFIGURATION..........20 DESCRIPTION OF BLOCK DIAGRAM .... -
Page 3: Precautions
PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING • There are some special components used in LCD BE CAREFUL ELECTRIC SHOCK ! 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 Power Connector D-Sub Signal Connector See front control panel 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: Wiring Diagram
Connector Ass’y : WIRING DIAGRAM P/N: 6631T11016C Connector Ass’y : P/N: 6631T20008U J702 J706 J705... -
Page 7: Block Diagram
EEPROM SCLK E-DDC 24LC02 MICOM EEPROM SDATA 24LC16 (MTV312) Schmitt Trigger Hsyncm (74HCT14A) Vsyncm Control Hsync2 Vsync2 Panel Inverter on/off DIMADJ Interface ADC/PLL/Scaler 20 Pin LVDS 24 Bit (GMZAN2) Connector Inverter on/off 3.3VD 3.3V_AD 2.5V_A 2.5V_D 3.3VD 3.3V_PL DIMADJ 3.3V_A Regulator BA033 CON 2P... -
Page 8: Description Of Block Diagram
DESCRIPTION OF BLOCK DIAGRAM 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. -
Page 9: 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 10: Troubleshooting Guide
TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER BOARD, AND FIND CHECK J705 OUT A SHORT POINT VOLTAGE PIN5, PIN6 (5V)? AS OPENING EACH POWER LINE CHECK U802 PIN 1 CHECK U803. VOLTAGE (5V) ? CHECK CHECK 5VS LINE U805 PIN 1 Voltage (OPEN CHECK) - Page 11 2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS NO RASTER (OSD IS NOT DISPLAYED) J705 PIN5, PIN 6 CHECK LIPS CHECK MICOM INV J705 PIN2 ON/OFF PORT. 1. CONFIRM BRIGHTNESS OSD CONTRL STATE. J705 PIN1 2. CHECK MICOM DIM-ADJ PORT CHECK PULSE AS...
- Page 12 3. NO RASTER (OSD IS NOT DISPLAYED) – gmZAN2 NO RASTER (OSD IS NOT DISPLAYED) U201 POWER PINS CHECK U802, U806 3.3V? 1. CHECK PIN141, 142 U201 PIN141, 142 SOLDERING CONDITION OSCILLATE AS 20MHZ? 2. CHECK X201 3. TROUBLE IN U201 U401 PIN31 IS 65MHz CLOCK? PIN27 IS 48KHz H-SYNC?
- Page 13 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? & D-SUB CONNECTOR U201 PIN 87, 91, 95 LINE CHECK CHECK H-SYNC LINE H-SYNC INPUT (D-SUB U701 MICOM...
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Page 14: Printed Circuit Board
1. MAIN BOARD (Component Side) R807 C514 R561 L701 R560 C706 U805 R580 C832 R570 R571 R525 R529 X201 C516 C410 R528 R551 C409 C408 C407 C406 R531 R712 R403 R404 U702 R530 C835 R805 C403 Q505 L802 C248 C210 C829 R511 C249... -
Page 15: Exploded View
EXPLODED VIEW... - Page 16 Ref. No. Part No. CABINET ASSEMBLY, LB501K BRAND 3090TKL040A PC+ABS 3091TKL043Q LCD(LIQUID CRYSTAL DISPLAY) LM150X06-A3M1 LG PHILPS TFT COLOR 15.0 INCH XGA 6304FLP025A LCD(LIQUID CRYSTAL DISPLAY) LM150X07-B4 LG PHILPS TFT COLOR 15.0 INCH XGA or 6304FLP024A BACK COVER ASSEMBLY, LB500J 029A PC+ABS 3809TKL026L TILT SWIVEL ASSEMBLY LB500J .
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Page 17: 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. 8. 29. DATE: 2002. 8. 29. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. - Page 18 DATE: 2002. 8. 29. DATE: 2002. 8. 29. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION D706 0DS226009AA KDS226 TP KEC SOT-23 80V 300M R502 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP D707 0DS301109AA MMBD301LT1 TP MOTOROLA SOT23 3...
- Page 19 DATE: 2002. 8. 29. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R734 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP R805 0RJ1001D677 1K OHM 1/10 W 5% 1608 R/TP R807 0RJ1003D677 100K OHM 1/10 W 5% 1608 R/TP R813 0RJ1001D677 1K OHM 1/10 W 5% 1608 R/TP...
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Page 20: Pin Configuration
PIN CONFIGURATION CAT24WC02J-TE13 8P BLOCK DIAGRAM DIP Package(p) SOIX Package(J) EXTERNAL LOAD V CC V CC SENSE AMPS D OUT SHIFT REGISTERS V SS V SS V CC COLUMN V SS WORD ADDRESS DECODERS BUFFERS TSSOP Package(U) START/STOP LOGIC V CC E PROM XDEC V SS... - Page 21 THC63LVDM83R PIN CONFIGURATION BLOCK DIAGRAM THC63LVDM83R THC63LVDM83R DATA (LVDS) TA +/- TA0-6 LVDS GND TB0-6 TB +/- TC0-6 TC +/- LVDS VCC TD0-6 LVDS GND TD +/- (140-595Mbit/On Each TCLK - LVDS Channel) TRANSMITTER TCLK+ TCLK +/- CLOCK IN (20 to 85MHz) CLOCK LVDS GND (LVDS)