Samsung TXJ1366 specifications Troubleshooting, No Power, Off

Page 18

Troubleshooting

5. Troubleshooting

5-1 No Power

Abnormal

Check and Replace

D807 ~D810

No Power

 

 

OFF

Check LED when AC

 

ON

Check

IC802.

 

 

 

 

 

code is plugged.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

 

 

 

 

Abnormal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check

 

 

 

 

 

 

 

Check/Replace

Fuse.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC802, R812, D856.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC801* Pin 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Oscillation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Abnormal

 

 

 

 

 

 

Abnormal (0 ~ 15V)

Check

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC801 Pin 3 B+.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check/Replace

 

 

Normal (15~20V)

 

 

 

 

 

 

 

D806, Q401, Q801,

 

 

 

 

 

 

 

 

 

D802, D814*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Abnormal (0V)

Check

 

IC801*

 

Normal (0.5 ~ 3V)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin 4 Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check/Replace

 

 

 

 

 

Check/Replace

 

 

 

 

 

 

PC802, DZ807

 

 

 

 

DZ802, DZ803, D806

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Samsung Electronics

5-1

Page 17 Page 19
Image 18
Page 17 Page 19
Contents Color Television Receiver Chassis K15A Model TXJ1366 TXJ1367 TXJ1396 TXJ1966 TXJ1996Precautions Safety PrecautionsSamsung Electronics Servicing Precautions Precautions for Electrostatically Sensitive Devices ESDs Electronics Specifications SpecificationsDisassembly and Reassembly Back Cover RemovealMain Board Removal Speaker Removal CRT Removel Service Mode Menus Alignment and AdjustmentsService Mode Adjustments Entering the Service ModeAdjustment in Option Mode Service Mode AdjustmentsService Mode Adjustment Ratings Alignment and Adjustment Sub-Contrast Adjustment Sub-Tint AdjustmentSub-Color Adjustment Vertical Size Adjustment White Balance AdjustmentSub-Brightness Adjustment Horizontal Size AdjustmentMemo Troubleshooting No PowerOFF No Sound Horizontal Line Appears No Signal Exploded Views & Parts List TXJ1366, TXJ1367, TXJ1396TXJ1966, TXJ1996 Electric Parts List Part Differences by screen size INC Latin Remark SpecificationWire CRTInch Option 47uF 2401-001333 C311 0.47uF Delete Changed to 4570KOption Relay OptionRAY Used RAY Delete Remark Specification RAYJWX01 Sound Option MONO/DUAL Front A/V OptionTXJ1366 TXJ1996 and TXJ1366 Dissimilar Parts 17 TXJ1996 INDUCTOR-AXIAL22UH,10%,2.5X3 TR-SMALLSIGNALKTC3197,NPN,30VTR-SMALLSIGNALKSC2330-RNPN CORE-FERRITEBEADAA,3.5X1.0X6CARBON2KOHM,5%,1/8W,AA,TP,1 CARBON10KOHM,5%,1/8W,AA,TPCARBON7.5KOHM,5%,1/8W,AA,TP METALOXIDES1.5OHM,5%,1W,AFILTER-CERAMICBP,4.5MHZ ASSY-CRT Crtp TUNER-F/STECC1070PG31ASFILTER-CERAMICTR,4.5MHZ MAGNET-CONVERGENCEJH291-SC-OB,29.1MMemo Block Diagram PCB Layout ICK01QLK1 Wiring Diagram GNDSchematic Diagrams Main 1/4Main 2/4 TP8 TP9Main 3/4 Main 4/4
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