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LG Electronics LCD 782LS service manual Schematic Diagram, 1. GM5020

Models: LCD 782LS

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SCHEMATIC DIAGRAM

SCHEMATIC DIAGRAM

1. GM5020

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LG Electronics LCD 782LS service manual Schematic Diagram, 1. GM5020

Contents

CHASSIS NO. CL-29 FACTORY MODEL LB782G Websitehttp//biz.LGservice.comBEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ID LABEL MODEL NoBLOCK DIAGRAM AND DESCRIPTION CONTENTSSPECIFICATIONS TROUBLESHOOTING GUIDETAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT PRECAUTIONWARNING FOR THE SAFETY-RELATED COMPONENT TIMING CHART VIDEO SYNCREAR VIEW OPERATING INSTRUCTIONSFRONT VIEW Front Control PanelJ706 WIRING DIAGRAMJ801 J710DISASSEMBLY BACK COVER REMOVALScaling BLOCK DIAGRAM+ PLL Module Power LVDS Tx3. Power Part DESCRIPTION OF BLOCK DIAGRAM1. Input signal part 2. Pre-amp/ ADC / PLL / Video ControllerPRIMARY BLOCK DIAGRAM POWER BOARD6. Signal collection SECONDA RY1. Adjustment Start ADJUSTMENTAdjustment for White Balance Adjustment for EDIDTROUBLESHOOTING GUIDE 1. NO POWER2. NO RASTER L204 3. NO CLOCK CLOCK GENERATOR L201R233, R234? 4. TROUBLE IN DPMCHECK 2. CONTROL BOARD Component Side 3. CONTROL BOARD Solder Side PRINTED CIRCUIT BOARD1. MAIN BOARD Component Side P/N 6870T487A114. POWER BOARD Component Side 5. POWER BOARD Solder Side EXPLODED VIEW EXPLODED VIEW PARTS LIST DescriptionCAPACITORS REPLACEMENT PARTS LISTMAIN BOARD TRANSISTOR DIODEsCOILs & COREs RESISTORsPOWER BOARD OTHERsCONTROL BOARD BLOCK DIAGRAM PIN CONFIGURATIONPIN CONFIGURATION PIN FUNCTION CAT24WC08J-TE13 8PSCHEMATIC DIAGRAM 1. GM50202. LVDS 3. MICOM 4. DC/DC 5. CONNECTOR 6. CONTROL 7. POWER P/NO 3828TSL074E Printed in Korea