LG Electronics LCD 782LS service manual GM5020, Block Diagram

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DC/DC Block

Regulator

2.5V

3.3V

 

 

Regulator

 

 

 

12V(Inverter)

Tx+/-,Hs,Vs,CLK,DEN

Module Power (5V)

LVDS Tx

GM5020

 

 

 

 

ADC

 

 

 

 

 

 

EEPROM

 

 

 

 

 

 

+ PLL

 

 

 

 

Scaling

 

(SYSTEM)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OSD

MCU

 

To Inverter

12V

BRT-CTL

INV-CTL

BLOCK DIAGRAM

12V

5.0V

POWER BOARD

90-264V

AC INPUT

Analog

Signal

(H/V Sync)

(R,G,B)

DSUB

DDC

(EDID)

HSYNC SDA, SCL

Image 8
Contents Color Monitor Chassis NO. CL-29 Factory Model LB782GContents SpecificationsPrecaution Be Careful Electric ShockTiming Chart Video SyncOperating Instructions Front View Rear ViewMenu Button Auto ButtonWiring Diagram Disassembly Back Cover RemovalBlock Diagram GM5020Description of Block Diagram Block Diagram Power Board Adjustment Adjustment for White BalanceAdjustment Start Adjustment for EdidTroubleshooting Guide No PowerNo Raster Pulse ? No Clock Clock Generator Trouble in DPM Printed Circuit Board Main Board Component SidePower Board Component Side Power Board Solder Side Exploded View Exploded View Parts List DescriptionReplacement Parts List Alternative PartsTransistor Power Board Control Board PIN Configuration Pin Name FunctionSchematic Diagram Lvds Micom DC/DC Connector Control Power Jun