LG Electronics RT-29FB50RB, RT-29FB50VB/VE service manual

Page 21

AV Stereo

Select correct system

In menu

OK

OK

Check the connection

Of AV equipment

AV

 

 

 

Check the the waveform

NO

 

 

 

 

 

 

 

 

 

At pin47 of IC661

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

Check the waveform

 

 

 

 

 

 

 

 

 

 

At pin 24, 25, of IC661

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

Check waveform

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

At pin 4, 12 of IC602

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

Check the voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

At pin6,7 of IC602

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check TU101 Tuner

Check the voltage Of pin16,20

Check / Replace

IC602

Check / Replace

Q621, IC603

Check the waveform

At pin 1,2,14,15 of IC602

NO

Check the vpltage At pin3, 13 of IC602

NO

Check /Replace F851, D862

OK

Replace IC 602

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Contents Color TV Contents Important Safety Notice Safety PrecautionsVision if SpecificationsPower Remote control handsetWith Teletext / PIP Number ButtonsBattery installation 6 3 RF/RT-25/29CA40 seriesCF/CT-25/29M30 series CF/CT-25/29Q40 seriesImportant note Chassis Assy Removal Disassembly InstructionsDvco Adjustment Safety PrecautionsFocus Adjustment Screen Voltage & White Balance AdjustmentPreparation for Deflection Adjustment Deflection Data Adjustment Line SVC-2N50Hz W50Hz Z50Hz N50Hz W50Hz Z50Hz N60Hz W60Hz Z60Hz50Hz 60Hz Picture Setting Data Line SVC-3 Option Adjustment OPTION-1,2, 3,TeletextSVC Data & PSM,SSM Data Menu Range 25/29 LG Flat 29 S/S-Flat 25 FST 28 FST 29 FSTOption 3 Function Option 1 FunctionOption 2 Function Sound PRE-SCALEROption Code Funtion Option 4 FunctionOption Code Funtion WEST-EU Block Diagram CathodeTilt ST-BY RF- Stereo Trouble ShootingNo Raster No Picture / No Sound Page Exploded View Exploded View Parts List Replacement Parts List DiodeTransistor Capacitor NP0 TS ECQ-V1H334JL30CQZVBK002C 330UF SLT 450V M Vnsn BulkCoil & Transformer ConnectorCONNECTOR,2.36PAI 1P . K/M Auto CONNECTOR,2.5MM 3P GIL-G LG Cable SResistor 0RMZVBK002D 0RKZVTA001K0RKZVTA001C Accessories SwitchFilter & Crystal Miscellaneous2002.03.25 3854VA0098A-S2/2 Printed Circuit BoardSVC. Sheet