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LG FLATRON L1530SSNT Service Manual

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COLOR MONITOR

SERVICE MANUAL

CHASSIS NO. : CL-66
MODEL:
(
) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
-
+
MENU
LightView
SET/AUTO
Website:http://biz.LGservice.com
E-mail:http://www.LGEservice.com/techsup.html
L1530SSNT
(L1530SSNTN.AL**G,AN**EF)
L1530SBNT
(L1530SBNTN.AL**G,AN**EF)
*To apply the Genesis ZAN3SL Chip.

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Summary of Contents for LG FLATRON L1530SSNT

  • Page 1: Color Monitor

    Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-66 MODEL: L1530SSNT (L1530SSNTN.AL**G,AN**EF) L1530SBNT (L1530SBNTN.AL**G,AN**EF) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MENU LightView SET/AUTO *To apply the Genesis ZAN3SL Chip.

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ........... 2 ADJUSTMENT ............13 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......15 TIMING CHART ............7 WIRING DIAGRAM ..........19 DISASSEMBLY ............8 EXPLODED VIEW...........20 BLOCK DIAGRAM ..........10 REPLACEMENT PARTS LIST .......22 DESCRIPTION OF BLOCK DIAGRAM....11 SCHEMATIC DIAGRAM ......... 24 SPECIFICATIONS 1.

  • 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: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this 9. Use with this receiver only the test fixtures specified in service manual and its supplements and addenda, read this service manual. and follow the SAFETY PRECAUTIONS on page 3 of this CAUTION: Do not connect the test fixture ground strap publication.
  • Page 5 General Soldering Guidelines Replacement 1. Use a grounded-tip, low-wattage soldering iron and 1. Carefully insert the replacement IC in the circuit board. appropriate tip size and shape that will maintain tip 2. Carefully bend each IC lead against the circuit foil pad and solder it.
  • Page 6 Circuit Board Foil Repair At Other Connections Excessive heat applied to the copper foil of any printed Use the following technique to repair the defective copper circuit board will weaken the adhesive that bonds the foil pattern at connections other than IC Pins. This technique to the circuit board causing the foil to separate from or involves the installation of a jumper wire on the "lift-off"...

  • Page 7: Timing Chart

    TIMING CHART VIDEO SYNC Front Total Video Sync Blanking Sync MODE Frequency Active Porch Time Resolution H / V Period Duration Clock Polarity ( D ) ( E ) Time ( A ) ( C ) ( B ) H(Pixels) 25.175 31.468 KHz 640 x 350...

  • Page 8: Disassembly

    DISASSEMBLY 1. Put a soft cushion on the floor and lay the stand on its 4. Cover the panel with your hand so that it is not scratched. side so that the base is accessible. Then, pull up the cabinet corner side. 2.
  • Page 9 7. Push the shield cap upward and disassemble it. 9. Pull out the link cable while pushing up the main frame. 8. Pull out the cable. -9 -...

  • Page 10: Block Diagram

    BLOCK DIAGRAM -10 -...

  • Page 11: Description Of Block Diagram

    DESCRIPTION OF BLOCK DIAGRAM 1. 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 pixel clock. The pixel clock for each mode is generated by the PLL. The range of the pixel clock is from 25MHz to 80MHz.

  • 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 COLLENT- -COUPLER CONTROL ISOLATION CIRCUIT 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 circuit included a line-filter, across line capacitor and of course the primary protection fuse.

  • Page 13: Adjustment

    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 => Don’t need setup Windows 2000, XP => Need to Port Setup. This program is available to LCD Monitor only. 1.

  • Page 14: Service Osd

    SERVICE OSD 1) Turn off the power switch at the front side of the display. 2) Wait for about 5 seconds and press MENU, POWER switch with 1 second interval. 3) The SVC OSD menu contains additional menus that the User OSD menu as described below. a) Auto Color : W/B balance and Automatically sets the gain and offset value.

  • Page 15: Troubleshooting Guide

    TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK POWER BOARD, AND FIND OUT A SHORT CHECK J707 VOLTAGE POINT AS OPENING PIN5, PIN6 (5V)? EACH POWER LINE CHECK U801 PIN 1& U803 PIN CHECK U801. 3 VOLTAGE (5V) ? CHECK CHECK 5VR LINE...
  • Page 16 2. NO RASTER (OSD IS NOT DISPLAYED) – LIPS NO RASTER (OSD IS NOT DISPLAYED) J707 PIN5, PIN 6 CHECK LIPS CHECK MICOM INV ON/OFF J707 PIN2 PORT. (U501 PIN9) 2.5V? 1. CONFIRM BRIGHTNESS OSD CONTRL STATE. J707 PIN1 2. CHECK MICOM DIM-ADJ PORT(U501 PIN41) CHECK PULSE AS...
  • Page 17 3. NO RASTER (OSD IS NOT DISPLAYED) – gmZAN3SL NO RASTER (OSD IS NOT DISPLAYED) U201 CHECK U803, U801 POWER PINS 3.3V? U201 1. CHECK PIN88 PIN88 SOLDERING CONDITION OSCILLATE AS 2. CHECK X501 12MHZ? 3. TROUBLE IN U201 U501 PIN43 IS 48KHz H-SYNC? CHECK CONNECTION LINE PIN44 IS 60Hz V-SYNC?
  • Page 18 4. NO RASTER (OSD IS DISPLAYED) – gmZAN3SL NO RASTER (OSD IS DISPLAYED) U201 POWER PIN99(1.8V) CHECK U803, U801 PIN33(3.3V)? 1. CHECK PC CHECK 2. CHECK SIGNAL CABLE R,G,B INPUT? & D-SUB CONNECTOR U201 PIN 70,74,77 LINE CHECK CHECK H-SYNC LINE →...

  • Page 19: Wiring Diagram

    WIRING DIAGRAM Connector Ass’y P/N: 6631T11012R Power Board Connector Ass’y P/N: 6631T20024C Main Board Control Board -19 -...
  • Page 20 -20 -...

  • Page 21: Exploded View Parts List

    CABINET ASSEMBLY, L1530 BRAND L088 PC+ABS CKD-BLACK-USA 3091TKL097S CABINET ASSEMBLY, L1530S BRAND 3090TKL088 "C"-CKD-BLACK-Panama 6304FLP146B LCD(LIQUID CRYSTAL DISPLAY), LM150X08-A4K8 LG PHILPS TFT COLOR PSWG,LVDS,16MS,SS S D-IC , COST COMPENSATION or 6304FLP146A LCD(LIQUID CRYSTAL DISPLAY), LM150X08-A4K8 LG PHILPS TFT COLOR PSWG,LVDS,16MS,SS S D-IC 6304FLP113A...

  • Page 22: 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: 2005. 3. 21. DATE: 2005. 3. 21. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC.
  • Page 23 DATE: 2005. 3. 21. DATE: 2005. 3. 21. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R534 0RJ0000D677 0 OHM 1/10 W 5% 1608 R/TP 140-058E SKHV10910B LGEC NON 12V 20A R535 0RJ3301D677 3.3K OHM 1/10 W 5% 1608 R/TP...

  • Page 24: Schematic Diagram

    SCHEMATIC DIAGRAM 1. SCALER - 24 -...
  • Page 25 2. MICOM - 25 -...
  • Page 26 3. POWER - 26 -...
  • Page 27 4. CONNECTOR & JACKS - 27 -...
  • Page 28 Mar. 2005 P/NO : 3828TSL094X Printed in Korea...

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Flatron l1530sbnt

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