Troubleshooting, No Power | Samsung WS28V53NS8XXEC, WS32V56VS8XXEC

Samsung Electronics

5-1

Plug in Power Cord

ON

Check

OFF

LED lamp

Abnormal

Normal

Check

Check

IC901 MICOM

MICOM IIC #5, #6

Input Voltage

Normal

Abnormal

Check and Replace

Check

the MICOM

Level Shifter Q909, Q910

Normal

Check

Abnormal

Check

Normal

Output(If 2N7000 Output has the DC

IC903 3.3V Regulator

Check and Replace

the MICOM Power #59

Normal

Component over 0.7V, it is broken)

Abnormal

With Remote Controller

Input Voltage

IC903

Abnormal

Normal

Replace

the MICOM

Check

Abnormal

Check

Abnormal

Abnormal

Replace

MICOM

Replace

Check

Replace Q908

D801 and D811

D801 or D811

IIC #2, #3

Q909, Q910

Q908

Normal

Normal

Normal

Check

Check

Normal

Replace

Check

Abnormal

IC804 Input Voltage

Check and Replace

IC902 EEPROM

EEPROM(IC902)

Replace

IC804

Normal

IC802, IC803

IC802, IC803

Abnormal

Normal

Check

Normal

Check IC201S

Check and Replace

Check

Abnormal

R828 and D805

R828 or D805

IC201S VDP

Replace

IC201S

H-OUT #50

Abnormal

Normal

Check

Check

Abnormal

IC801S and FP801S

Replace

Q401 H-TR

Q401

Normal

Check

Abnormal

Check

135V Line

PC801S, IC801S

Normal

Replace

FBT

Note : When you check whether any component is normal, you must let the output pin be open in order not to be affected by the side of output.

5-1 No Power

5. Troubleshooting

Troubleshooting

Image 44

Samsung WS28V53NS8XXEC, WS32V56VS8XXEC, WS28V55VS8XXEC specifications Troubleshooting, No Power

Contents

Color Television Receiver Chassis KS3AP50HzREV Model WS28V53NS8XXEC Samsung Electronics PrecautionsSafety Precautions Samsung Electronics Servicing Precautions Precautions for Electrostatically Sensitive Devices ESDs Reference Information Tables of Abbreviations and AcronymsReference Information Km/h Kilometer Per Hour Rps ABL ACCLED AFC LOC. no Spec Description Remark MICOM, TtxmtpEeprom FML-G12S Spec Function Remark Board LOC. no Spec Description RemarkFocus TCPS3000P CZ, CW Memo Specifications PAL/SECAM-B/G,D/K,L,I, NTSC-MVHS Tuner PIP, A2 Stereo Memo Alignment and Adjustments General Alignment InstructionsAutomatic Degaussing High voltage Check Dynamic Focus Adjustment Screen Adjustment CDL E2PROM IC902 Replacement White Balance Adjustment Samsung Electronics Factory Adjustment Service Mode OSD SizePIP PIP Blklg SIM-806EW1SEH Initial Data 2B Screen Change I2C BUS Geometric Adjustment PAL-M Y/C Delay NTSC-M YC Delay SED AK DVD Adjust RGB input signal brightness Adjust RGB input signal contrastStretch-BTLT Black stretch tilt position OSD Range Initial Data OSDVSU Initial Data SIM-806EW1HQ SIM-812MA3Flat SIM-806MA3 2E Video 3 Adjust AccrsecamHB Start HB Stop Peak Threshold Soft Limit Slope B Fix Hard LimitPeak Video Ref Fix Peak Video Gain 255 Gain1Video Fix Delay1Video Velocity Limit Velocity Delay Fix Velocity Coring RGB ShiftInitial Data OSD Range 2H CombFilter Fix NR Off Value LNA TTX TOPAKB CW29A7 CZ29A6 CZ29A7 CW21A8AV by CH Key Off SIM-812EA1 29A7NTBX 29A5WBX 29A5NTBX 29K3WTBX 29K3WBX 29A7PFBXSIM-806E1 29A5PFBX 29A6NTBX 29A7PNBX Mrcr MrcgMrcb Mrwdg SED ColrWide SIM Melody Volume QEWZoom Parabola Parabola Melody Volume 96 ~11130 ~ Parabola 30 ~ BOW AngleDscc DVD SUB Tint 5 5 5 IN/OUT Assign Description Assign IN/OUT Active H/L Description Troubleshooting TroubleshootingNo Power No Picture If the deflection is in operationIC201S #31 Check CRT and FBT No Sound Memo Exploded View & Parts List WS28V53NS8XXEC32V5 Electrical Parts List WS28V53NS8XXEC PIN-GT,ASSYAUTO GT103 J621GT409 J622 EYELETID2.0,OD2.8,BST TOP2 EYELETID2.0,OD2.8,BSTEYELETID2.0,OD2.8,BST TOP1 EYELETID2.2,OD3.2,BSP Labellabel PCBIC HYBRID-,DRGB001A,SIP,5P,-,TP TOP BAND-TIENYLON66 V2,L100,NTRLDY01 CNY02 Assy ETC-PCB A/V Board HA98-00003A Assy SUB PARTASSY-SUB,PARTS53A,PCB,CRTCNF01 JACK-PHONE1PVER,3.4PI,AG,BLK,NO PFT01 HA98-600020 ASSY-SUB,PARTKS4A,PFC PCBHA83-00006A LP-RESIN HIPS,BASF495F,NTR,HB CNP02 SUB ETC-MICA,MICA,22X30X0.1MM Assy ACCESSORY50HZ,KS3A,XECWS28V55VS8XXEC D804 DZ402D906 D604 J208 3812-000219 J811 3812-000219J209 3812-000219 J816 3812-000219 J430 EY301EY302 EY303 R233 C233C234 C235 IC HYBRID-,DDRI001A,SIP,5P,-,TP SOLDER-WIRE FLUXCF-110VH-2A IC1IC2 JP1 SWY02 SWY03SWY04 SWY05 HA98-00054A Assy SUB Partassy SUB PARTKS3A,PCB,CRT EYP07EYP08 EYP09 Assy Cabinet Front WS32V56VS8XXEC C634 AL100uF,20%,16V,GP,TP,6.3x11,5 GT102 C832 AL100uF,20%,16V,GP,TP,6.3x11,5 GT301C838 AL100uF,20%,16V,GP,TP,6.3x11,5 GT302 C826 AL100uF,20%,16V,GP,TP,6.3x11,5 GT401 J121 J254J411 C232 2001-000290 R231 R232R432 VARISTOR750V,1250A,12.5x7mm,TP R913 AL47uF,20%,50V,WT,TP,6.3x11,2.5 AL100uF,20%,16V,WT,TP,6.3x11,5INDUCTOR-AXIAL33uH,5%,2.5x3.4mm C106 INDUCTOR-AXIAL33uH,5%,2.5x3.4mm C303 ICS01 DZS01 DZS02HA98-600012 ASSY-SUB,PARTPCB-WIDE,S51A,WIDE CNG01 JACK-PIN1P,1PI,NI,RED,SCR-JACK Assy SUB PARTS51A,CONTROL Wide ASSY-CRT AA69-00744F Block Diagrams Block Diagram Wiring Diagram Memo Samsung Electronics 10-1 Schematic DiagramsMain TP12 TP13 TP11 TP25 TP14 TP15 MAIN3 Samsung Electronics 10-3 TP26 TP27 TP32 TP31 TP28 TP29 TP30 PIP MODULE, Switch Module PIP Module Samsung Electronics 10-5 10-6 CRT Wtih in V/M Wtih out V/M Samsung Electronics 10-7 Electronics