LG Electronics L1933TR Block Diagram, Lips, MStarACE, Line Buffer, Scaler, Intel8032, TMDS Rx

Page 12
BLOCK DIAGRAM

BLOCK DIAGRAM

Module

 

 

KEY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LVDS

Vcc 5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MStarACE

 

 

LVDS Tx

 

 

OSD

 

 

SSC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Line Buffer

 

 

Scaler

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TSUMx6AL

 

 

 

 

 

 

 

 

 

 

 

Intel8032

 

 

 

ADC

 

TMDS Rx

 

 

MCU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EEPROM(System)

 

 

 

 

3.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDA /SCL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ROM

 

 

 

 

 

 

3.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Flash

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.3V

 

1.8V

 

 

 

 

 

 

 

 

 

Regulator

 

 

 

 

 

5V

12V

5V

 

3.3V

 

 

 

 

 

 

 

 

 

 

 

 

 

1.8V

 

 

 

 

 

 

 

 

5V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12V

ModuleLVDSMStarACELVDS TxLine BufferScalerTSUMx6ALIntel8032(R/G/B)AnalogTMDS RxEEPROM(System)FlashSub-DDigitalD-DVILIPS

Sub-D
DigitalD-DVI

EEPROM

(EDID)

LIPSInverter (4 lamps)Manual background

12V

Filter

Inverter (4 lamps)

Copyright 2007 LG Electronics. Inc. All right reserved.

LGE Internal Use Only

Only for training and service purposes

- 12 -

 

Page 11 Page 13
Image 12
Page 11 Page 13
Contents READ THE SAFETY PRECAUTIONS IN THIS MANUAL Same model for ServiceCHASSIS NO. LM57B BEFORE SERVICING THE UNITCONTENTS SPECIFICATIONSPRECAUTION WARNING FOR THE SAFETY-RELATEDCOMPONENTmarked on the schematic diagram and the Leakage Current Hot Check CircuitSERVICING PRECAUTIONS General Servicing PrecautionsElectrostatically Sensitive ES Devices IC Remove/Replacement ReplacementSmall-SignalDiscrete Transistor Removal/ReplacementCircuit Board Foil Repair At IC ConnectionsAt Other Connections TIMING CHART VIDEOSYNC DISASSEMBLY-Set Only for training and service purposesSoft pad on the table Pull up the stand part Only for training and service purposes Remove the screws 1.Pull the front cover upward 3.Put the front face downDISASSEMBLY-Stand In case of Latch #1-1In case of Latch #1 DISASSEMBLY-StandOnly for training and service purposes Hold the stand bodyBLOCK DIAGRAM LIPSMStarACE Line BufferBLOCK DIAGRAM-POWER POWERINVERTER DESCRIPTION OF BLOCK DIAGRAM 2.Power Part1.Video Controller Part 3.MICOM PartLIPS Board Block Diagram 6.Signal collectionPRIMARY Operation description LIPSADJUSTMENT SERVICE OSD Figure 1. Cable ConnectionTROUBLESHOOTING GUIDE 1. NO POWERWaveforms 2. NO RASTER OSD IS NOT DISPLAYED - LIPS 3. NO RASTER OSD IS NOT DISPLAYED - MSTAR Waveforms4. TROUBLE IN DPM Waveforms5. POWER 6. Raster WIRING DIAGRAM Only for training and service purposesLGE Internal Use Only 6631900109AEXPLODED VIEW Only for training and service purposesLGE Internal Use Only EXPLODED VIEW PARTS LIST Ref. NoDescription REPLACEMENT PARTS LIST SAFETY MarkOnly for training and service purposes CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTSOnly for training and service purposes LGE Internal Use OnlyFILTERs TRANSISTOROnly for training and service purposes LGE Internal Use OnlyCAPACITORS TRANSISTORs & ICsOnly for training and service purposes LGE Internal Use OnlyTRANSFORMER SCHEMATIC DIAGRAM 1. SCALEROnly for training and service purposes LGE Internal Use Only2. POWER & WAFER Only for training and service purposesLGE Internal Use Only 3. INVERTER Only for training and service purposesLGE Internal Use Only 4. POWER Only for training and service purposesLGE Internal Use Only Feb P/NO MFL43002807
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