Samsung NK17A specifications No Picture TV, Video, S-Video, Scart

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5 Troubleshooting

5-3 No Picture (TV, Video, S-Video, SCART)

CONFIDENTIAL

Check the CO44, CO45(S-Video), CO46(VCR) and CO42(RF-CVBS).

5-1IC011 #1 RF-CVBS

5-2IC011 #5 S-Video

5-3IC011 #8 VCR

Yes

6Does the signal appear at IC010.

Yes

Does the signal appear at

7

IC200 and 3.3V_BA.

Yes

Does the signal appear at

IC300 and 3.3V_BD.

No

No

No

No

Check the CN888(Tuner)

and the CN702_1.

Check the #19 and

related circuit of IC011.

Check the IC010 (#31~34, 37~44, 47~50) Data out and related circuit of IC010.

Check the IC200 and

related circuit of IC200.

Yes

Check the IC901 and CN901.

NK15A*/NK17A*

5-3

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Contents TFT-LCD TV/MONITOR Safety Precautions ConfidentialServicing Precautions Electrostatically Sensitive Devices ESD PrecautionsProduct Specifications SpecificationsPin Assignments SUBTiming Chart Supported Modes ∝ s Confidential Disassembly Replacement Order of Lamp AssembliesReassembly Alignments and Adjustments General Alignment InstuctionFactory Mode Adjustments Entering Factory ModeConfidential Memo Troubleshooting No PowerNo Video PC Signal No Picture TV, Video, S-Video, Scart Confidential Does the signal appear at No SoundConfidential Exploded View and Parts List NK15A NK17A Assy Stand NK17NS PCB+SH/PCB SCREW-TAPTITE BH,+,B,M3,L6,ZPCYEL,SWRCH18A Heat SINK-IC DIODE-ZENER IC-VIDEO Process R232 R805 R504 R512 Network CERAMIC,CHIP C853 C116 C3AA C849 C354 AL,SMD C115 INDUCTOR-SMD CORE-FERRITE Bead CIS CARD-REGISTRATION BOX,12P,1R,2.5mm,STRAIGHT,SN BN83-00284A D017 IC-AUDIO AMP R026 R643 R038 R678 R438 Chip C542 C465 02nF,5%,50V,NP0,TP,1608 022nF,5%,50V,NP0,TP,1608 C015 C332 AL,SMD AL,SMD SNA SNA SNA FT811 PAD-PALLET Cover EK-04,40V,1.5A,DO-41 BN83-00272A DIODE-SCHOTTKY IC-VIDEO Process R526 R618 R115 R654 R645 Chip C538 C237 C3AA C040 C306 AL,SMD C870 120uF,20%,6.3V,WT,TP,10.3x10.3x10.3mm,9 CRYSTAL-SMD Lever TOP LSD210TL,PE-LD,WHITE,TFTLCD Assy LCD NK17NS BN83-00086A DIODE-SWITCHING TR-SMALL Signal R002 R525 R044 R248 R503 Chip IC621 C091 C059 C3AA C216 AL,SMD C284 Organic INDUCTOR-SMD +SH/PCB SCREW-TAPTITE BH,+,B,M3,L10,ZPCYEL,SWCH10 Block Diagram NK15A*/NK17A Block Diagrams Wiring Diagram Schematic Diagrams Schematic Diagrams CPU Block & Signal Processing Part Schematic Diagram1IC011 #1 RF-CVBS 2IC011 #5 S-Video 3IC011 #8 VCR IC011 #19 Scaler & Digital Output Part Schematic Diagram AGDP5X201 DC Power Input, Sound, Tuner, ETC Part Schematic Diagram To SpeakerIC801 #2 IC805 #1 BN81-00027C-00