CW 21 Z 453 N S16G P Troubleshooting

Troubleshooting

Samsung Electronics 4-1

4. Troubleshooting4-1 Troubleshooting

4-1-1 FirstChecklistforTroubleshooting

1. Power LED: Check that the LED works when the power cord is connected to a 160V~300V wall outlet.

2. LED Indicators: See table 4-1-2 Basic Troubleshooting: LED Diagnosis on the Front Panel.

3. In case of a power failure or abnormal screen, check the following items. 1 Check that the power cord is correctly connected to a 160V~300V wall outlet. 2 Check that the Master Switch has been pressed. 3 Ch eck that the transmitter is turned on. 4 Check that transmitter device selection is set to TV. 5 Check that the signal cable is properly connected. 6 Check that channel setting has been set.

Troubleshooting

4-2 Samsung Electronics

4-1-2 CheckpointsbyErrorMode

1. TroubleshootingSummaryProblem Solution

The power does not turn on. Check if the power cord is properly connected.Air broadcasting does not work. Check if the antenna is properly installed.Cable broadcasting does not work. Subscribe to a local cable broadcasting firm and get support.

Satellite broadcasting does not work. Install a satellite antenna (Parabola) and connect it to the TV.

2. Menu&RemoteControlProblem Solution

The remote control does not work.

■ PresstheSelectDevicebuttontoselecttheTVorexternaldevice.■ Replacethebatteryoftheremotecontrolwithanewone.■ Insertthebatterymakingsurethepolarity(+,-)iscorrect.■ Checkiftheangleorthedistanceissufficient,orifthereisany

interference between the product and the remote control.■ Makesuretheuserhaspressedthecorrectbutton.■ ToavoiddirectsunlighttothereceivingpaneloftheTV,removeany

indoor lighting or change the location of the TV.■ CheckifthepowerswitchatthebackleftoftheTVisturnedon..

Cannot change the channel with the remote control.■ PresstheSelectDevicebuttontoselecttheTV.■ Changethechannelusingtheremotecontrolofthecableorsatellite

receiver.

Cannot select an A/V channel.Press the TV/AV button and check if the AV item is grayed out. When the AV item is grayed out, you cannot select an A/V channel. Check if the connector is properly connected.

Cannot select a menu. Check if the menu is grayed out. If a menu is grayed out, it cannot be selected.

Troubleshooting


3. ScreenProblem Solution

The screen is black and there is no sound.■ Checkifthepowercordisproperlyconnected.■ Turnonthepower.■ SelectanAVchannelthatcorrespondstotheexternaldevice.

Only the screen is blank/it is dark or too bright. Adjust the screen brightness.Thescreenisblue/theexternalchannelisnotdisplayed.

■ Checkiftheconnectorisproperlyinstalled.■ SelectanAVchannelthatcorrespondstotheexternaldevice.

The screen overlaps (double/triple). ■ Checkiftheantennaisproperlyinstalled.■ Adjusttheposition,angleordirectionoftheantenna.

The screen is snowy or unclear. The picture quality gets worse when it is windy

■ Checkiftheantennahasbeenbentormovedbythewind.■ Checktheantennaforitslifetime.

(Normally 3 - 5 years, 1-2 years near the coast)Dotted or semi-dotted lines are displayed on the screen.

Install the antenna as far away from the road as possible.

The screen is black and white. ■ Adjustthecolordensity.■ Checkiftheconnectorisproperlyinstalled.

The colors of the screen are odd/strange. Adjust the color tones.

Unusual lines appear on the screen. Keep the antenna away from the power cord or connectors if possible.

Unusual lines appear on the screen when watching or recording to video.

Keep the video player as far away from the TV as possible.

4. SoundProblem Solution

There is no sound. ■ Increasethevolume.■ PresstheMutebutton.

The sound is very low. ■ Increasethevolume.■ SettheautovolumecontroltoON.

There is a lot of noise. Keep the antenna away from the power cord or connectors if possible.The selected language does not appear. PresstheMultiplexbuttontoselecttheTV.

Troubleshooting


5. ChannelProblem Solution

There are no channels available.■ Checkiftheantennaisproperlyinstalled.■ PresstheAutoChannelbuttontostorechannels.■ Contactyourlocalbroadcastingservicestation.

Some channels are not available.

■ Adjusttheposition,angleordirectionoftheantenna.■ ActivatetheReceptionSensitivityBoostfeature.■ Contactyourlocalbroadcastingservicestation.■ UsethenumberkeystoselectaspecificchannelandpressStore/Clear

to memorize it.Only the UHF (14-69) channels are not available. Check if the antenna is able to receive UHF signals.

6. OthersProblem Solution

The TV makes a noise as if something is dropping inside.

ThisnoisemayoccurwhentheplasticmaterialinsidetheTVexpandsorcontracts according to the seasonal temperature or humidity. This is like the noise from a furniture/cabinet/sink unit, and there is no need for concern.

Troubleshooting


7.BasicTroubleshooting:DiagnosisofLEDontheFrontPanel

●: Light is On◑: Light is Blinking○: Light is Off

Power Description○ This happens when the Master Switch is not pressed or the power cord is disconnected.

● This happens when the power cord is connected.

○→◑→● The LED blinks, while the unit is starting up or the unit is turning off.

8.TroubleshootingbytheChecksum■ Diagnosisoftroublebythechecksumisneitherreliablenorconvenient.

You can only use the checksume of the current direct-view TV to determine whether the software is corrupted or not. The Checksum value is determined according to the version of the software loaded on the set. Therefore, you can determine whether the software has been properly downloaded, if you know the correct checksum for that version of the software.

You can check the checksum according in the following order. Factory Mode → Checksum → Enter →OutputChecksum(e.g.0xab2b)

■ ChecksumExamples T-MA1PEAN-2007: CHECKSUM =339C

LED

Troubleshooting


9.FlowChartforMalfunction

Is there something onthe Screen.

Yes Does the OSD menu on thescreen work?

Yes

No

UOC3ICReplace.Yes

Is the power cord or themaster switch out of order?

Yes

Yes

Check that the cables ard properly connected to Main

Board.

No

Connect the cableNo

Is the cable from the

MainBoardththeCRTAss’yproperly innected?

IsCRThigivoltagebeen measured?

Does the TV work?

SOUND IC

MICOM 1 CHIP IC

TUNER

OUTPUTTRQ401

FBT

DY-JACK

VERTICALIC

EWDRIVER

BRIDGEDIODE

MAINTRANS

SMPS-TR

OUTPUT/INPUTJACK

Troubleshooting


4-1-3 TroubleshootingProceduresbyASS’Y

1 NOPower- Power part of the Main Board Check.

Is the power cord or the master switch out of order?

Complete

Yes

Yes

YesCheck the FUSE “FP801S” Check the “D801S” #1 Check the IC801S #1

5Q12656RT

No Picture & No Sound

Change “FP801S” Change “D801S” Change “IC801S”

Check the others partYes Yes

No No

F801A

SMPS-TR

BRIDGEDIODE

D809A

SOUND IC

FD801A

Troubleshooting


2. NoSound- when the power is normal

D809A

SOUND IC

FD801A

MICOM 1 CHIP IC

Checkthe+14Vline

Complete

YesCheck FD801A Check D809A Change IC602

No sound (1st power OK)

Check IC201S Pin#57, 58Yes Yes

No

Change FD801A Change D809A

No

No

Troubleshooting


3.NoPicture- when the power is normall

Checkthe+125Vline

Complete

Yes“D811”(D811A) open and check

T444SB+Pin#3 Open and check CHECKCRTASS`Y

No picture (1st power OK)

Check D407Yes Yes

No

Change the “D811” (D811A) Checkthe“Q401”

No

No

ChecktheothersB+lineYes

Changethe“Q401”Change D407

No

No

Yes

D811MAINTRANSFBT D407 Q401

Troubleshooting


4-1-4 TroubleshootingbyBlocks

1.Tuner Diagnosis IfthereisnosignalmeasuredeventhoughtheRFsignalreceivedbytheexternalantennaisinputtotheMainBoardTuner.

- Supplied Power: 5V, 8V, 33V- RFTroubleCheck:CheckCVBSoutput- AUDIO Trouble Check: Check SiF Signal output

5V 33V IF

Troubleshooting


2.ExternalInputDiagnosisComponent inputs and one monitor output (Video, Audio) are supported.The signal is input to UOC3 IC through the ports, and the signal selected in UOC3 IC is output.If the signal input and output are not detected, check the following.- Supplied Power: UOC3 IC(5V, 3.3V, 8V)- Input Problem Check: Check the connecting jacks.- Output Problem Check: Check the UOC3 IC

SCRT2

SCRT1

TV-OUT

TV-OUT

VIN

VIN

Troubleshooting


3.TDA12025PQDiagnosis IF+MICOM+VIDEO+MSP+Switching

Troubleshooting


4. TDA7297SA Diagnosis- Supplied Power: 14V- InputProblemCheck:L/R- OutputProblemCheck:L+,L-,R+,R

Troubleshooting


4-2 Adjustment

4-2-1 ServiceInstruction1.GeneralAdjustment:

In general, a color TV can provide ideal visual quality by adjusting the basic settings such as the vertical size, horizontal size,focus, etc.Display a black and white picture on the screen to check if the picture is clearly displayed.Iftherearesome‘spotted’pointsonthescreenwhendisplayingablackandwhitepicture,degaussthescreenusingthedegauss coil. If the spotted points remain, re-adjust the purity and the convergence.Thiscompletesthebasicperformanceexamination.

Troubleshooting


4-2-2 HowtoAccessServiceMode

1. To enter Service Mode, press the keys on the remote control according to the following sequence. (in Stand-by status)

To Enter: Info Menu PowerOnMute

2. The initial screen of Service Mode.

3. Functions of the Keys within Service Mode.MENU Show all menus▲/▼ Move the cursor to select an item.◀/▶ Adjust the selected configuration value

4. W/B SettingNo Item Data RequiredAdjustment

1 White Balancex:286±3y:290±3Y:40±0.3

White Balance (Standard Data)x:286±3y:290±3Y:2.0±0.3

Option1XXXXXXXXXXOption2DeflectionWSSDeflectionVideoAdjust1VideoAdjust2VideoAdjust3VideoAdjust4VideoAdjust5YCDelayOthersBusStopOffCHECKSUM0000G2AdjustRESET

Troubleshooting


4-2-3 FactoryData

1. Deflection

No Item Adjust

Initial value

Remarks

CISSDIUX2CRTNON-PIP/LNA CS21Z45ZQLCS21Z47ZQLCS21Z50ZQLCS21Z55ZQLCS21Z57ZQLCS21Z58ZQL

CISLPDCRT

NON-PIP/LNACS21Z45ZQLCS21Z47ZQLCS21Z50ZQLCS21Z55ZQLCS21Z57ZQLCS21Z58ZQL

1 V Amp Adjust 32 322 V Shift Adjust 28 283 H EW Adjust 48 48 R411:2001-001194,82k4 H Shift Adjust 32 325 V Linearity FIX/Adjust 32(fix) 32(fix) CIS:fix/EU:Adjust6 V S-Correction FIX 38 387 V Slope FIX 30 308 V Scroll FIX 18 189 V Zoom FIX 48 48

10 H Parabola Adjust 32 3211 Upper Corner Adjust 32 3212 Lower Corner Adjust 32 3213 H Trapezium Adjust 21 2114 Bow Adjust 32 3215 Angle Adjust 32 32

♦Theunderlinedareitemsappliedduringtheserviceadjustment.Noneoftheothersshouldbeadjusted.

Troubleshooting


2. WSS Deflection

No Item Adjust

Initial value

Remarks


CISLPDCRT


1 16:9 V Amp Adjust 10 102 16:9 V Shift Adjust 12 123 16:9 H Parabola Adjust 2 24 16:9 H Trapezium Adjust -12 -125 14:9 V Amp Adjust -1 -16 14:9 V Shift Adjust -4 -47 14:9 H Parabola Adjust -2 -28 14:9 H Trapezium Adjust 2 29 VM Mode FIX 1 1

10 VMGain FIX 1 111 VM Delay FIX 5 512 PresetGainR FIX 20 2013 PresetGainG FIX 20 2014 PresetGainB FIX 20 2015 Blue Screen HS Offset FIX 6 6

Troubleshooting


1 V Amp

2 V Shift

3 H EW

4 H Shift

5 V Linearity

6 Upper Linearity

7 Lower Linearity

8 V SC

9 H Parabola

10 Upper Corner

11 Lower Corner

12 H Trapezium

13 BOW

14 Angle

15 V Position

16 CXA Left Blk

17 CXA Right Blk

Troubleshooting


3. Video Adjust 1

No Item Adjust

Initial value

Remarks


CISLPDCRT


1 RCutoff Adjust 32 322 B Cutoff Adjust 32 323 RDrive Adjust 32 324 GDrive FIX 32 325 B Drive Adjust 32 326 Sub Bright Adjust 10 107 Sub Contrast Adjust 10 108 G2AdjustBright FIX 42 42 IC501:TDA6107AJF9 AKB Option FIX 0 0

10 Cathode Drive Level FIX 3 3 IC501:TDA6107AJF11 TTX Bright FIX 10 1012 TTXRGBBright FIX 15 1513 TTX Position FIX 11 1114 Turbo Center Frequency FIX 2 215 Threshold Sound1 Carrier FIX 25 25

Troubleshooting


4. Video Adjust 2

No Item Adjust

Initial value

Remarks


CISLPDCRT


1 Melody Volume FIX 35 352 PAL/SECAM Sub Color FIX 12 12 LNA/N-LNA3 NTSC Sub Color FIX 10 104 NTSC Sub Tint FIX 12 125 YUVSubTintRF FIX 32 326 YUV Sub Tint AV FIX 32 327 YUVSubTintRGB FIX 32 328 Blue Stretch FIX 1 19 Soft Clipping Level FIX 0 0

10 Peak White Limit FIX 15 1511 SECAM B-Y Offset FIX 1 112 Peaking CF0 & Delay Mode FIX 2 213 Sub Sharpness FIX 23 2314 VideoDependentCoringRF FIX 1 115 Video Dependent Coring AV FIX 0 0

Troubleshooting


5. Video Adjust 3

No Item Adjust

Initial value

Remarks


CISLPDCRT


1 PIP Contrast Opt/Fix 3 3 PIP Only2 PIP Bright Opt/Fix 3 3 PIP Only3 PIP Tint Opt/Fix 64 64 PIP Only4 PIP Color Opt/Fix 12 12 PIP Only5 PIP YC Delay Opt/Fix 6 6 PIP Only6 PIP PAL V. Pos Opt/Fix 0 0 PIP Only7 PIP NTSC V. pos Opt/Fix 7 7 PIP Only8 PIP H. Pos Opt/Fix 2 2 PIP Only9 PIPRCutoff Opt/Fix 8 8 PIP Only

10 PIPGCutoff Opt/Fix 8 8 PIP Only11 PIP B Cutoff Opt/Fix 8 8 PIP Only12 PIPRDrive Opt/Fix 60 60 PIP Only13 PIPGDrive Opt/Fix 60 60 PIP Only14 PIP B Drive Opt/Fix 60 60 PIP Only

Troubleshooting


6. Video Adjust 4

No Item Adjust

Initial value

Remarks


CISLPDCRT


1 IF Preset Value 1 FIX 32 322 IF Preset Value 2 FIX 32 323 IF PLL Osc Preset Value FIX 0 04 DCXO Caps/NICAM Center FIX 59 595 DCXOScalingControlGain FIX 3 36 RFAGC Adj/FIX (Xuguang)tuner

AA40-10007A : 28 (Samsung) tuner

AA40-00162A : 30

(Xuguang)tuner AA40-10007A : 28 (Samsung) tuner

AA40-00162A : 30

EU Adjust

7 IFAGCSpeed FIX 1 18 IF Demodulator FIX 38 389 Fast Filter IF PLL FIX 0 0

10 Wide Blanking Front FIX 15 15 Wide Only11 WideBlankingRear FIX 15 15 Wide Only12 PIPAGCMode FIX 1 1 PIP Only13 RFFOA/FOB FIX 1 1 ALL MODEL14 RFPA/NTIdentSensitivit FIX 1 1 ALL MODEL

15 AV PA/NT Ident Sensitivit FIX 2 2 ALL MODEL

Troubleshooting


7. Video Adjust 5

No Item Adjust

Initial value

Remarks


CISLPDCRT


1 Bypass of Chroma Base Band FIX 0 02 FixedBeamCurrent FIX 0 03 FixedBeamCurrent1 FIX 0 04 Forced Colour On FIX 0 05 Sync Performance Trick Mode FIX 0 06 Beam Current Limiting FIX 0 07 Comb Filter FIX 0 08 RGBCombFilter FIX 1 19 Chroma Trap Mode FIX 0 0

10 EHT Tracking Mode FIX 1 111 BlueScreen Contrast FIX 15 1512 AV FOA/FOB FIX 0 0

8. YC Delay

No Item Adjust

Initial value

Remarks


CISLPDCRT


1 PAL Delay FIX 12 122 SECAM Delay FIX 12 123 NTSC Delay FIX 12 124 PAL AV Delay FIX 12 125 SECAM AV Delay FIX 12 126 NTSC AV Delay FIX 12 12

Troubleshooting


9. Others

No Item Adjust

Initial value

Remarks


CISLPDCRT


1 Service Blanking FIX 0 02 High Current Level FIX 1 13 Black Area FIX 2 24 Black Stretch FIX 1 15 OSD Brightness FIX 31 316 PWL Active FIX 1 17 Bypass Peaking Delay FIX 0 08 RatioPre&AfterShoot FIX 0 09 Ratioposi&NegaPeaks FIX 0 0

10 Dynamic Skin FIX 0 011 Gamma&WhiteStretch FIX 0 0 DNIEJR12 Comb Filter Diode Clamp FIX 1 113 DCTransferRatio FIX 1 114 NTSCMatrix FIX 0 0

Troubleshooting


4-2-4 ServiceAdjustment

1.AdjustingthePictureSize Since the K16C chassis includes a deflection adjustment of the Factory Data, adjustments must be performed according to the following procedures when replacing the Main Board.

1. Display the Lion pattern. 2. Press “PowerOff→Info→Menu→Mute→PowerOn” using the remote control and enter Factory Mode.

3. Enter Deflection Mode.4. Adjust the V-AMP, V-SHIFT, H-EW and H-SHIFT items so that the width becomes 5 and the height becomes 4.

Troubleshooting


2.AdjustingthePictureStraightLines

1. Display the Cross Hatch pattern.

2. Adjust settings other than V-AMP, V-SHIFT, H-EW and H-SHIFT so that straight lines are displayed without curves.

7. When the adjustments are complete, display the Lion pattern and check that the picture size has not been changed. If there is no change, finish the adjustments.

3. Adjust BOW and the Angle settings so that the center line becomes a straight line.

5. Adjust the Upper Corner and the Low Corner settings so thatthe end of the lines become straight.

4. Adjust the H-Parabola and H-Trapezium settings so thatthe left and right lines become straight.

6. Adjust the V-Linearity and V-SC settings so that the intervals of the horizontal lines become uniform.

1 V Amp

2 V Shift

3 H EW

4 H Shift

5 V Linearity

6 Upper Linearity

7 Lower Linearity

8 V SC

9 H Parabola

10 Upper Corner

11 Lower Corner

12 H Trapezium

13 BOW

14 Angle

15 V Position

16 CXA Left Blk

17 CXA Right Blk

1 V Amp

2 V Shift

3 H EW

4 H Shift

5 V Linearity

6 Upper Linearity

7 Lower Linearity

8 V SC

9 H Parabola

10 Upper Corner

11 Lower Corner

12 H Trapezium

13 BOW

14 Angle

15 V Position

16 CXA Left Blk

17 CXA Right Blk

1 V Amp

2 V Shift

3 H EW

4 H Shift

5 V Linearity

6 Upper Linearity

7 Lower Linearity

8 V SC

9 H Parabola

10 Upper Corner

11 Lower Corner

12 H Trapezium

13 BOW

14 Angle

15 V Position

16 CXA Left Blk

17 CXA Right Blk

1 V Amp

2 V Shift

3 H EW

4 H Shift

5 V Linearity

6 Upper Linearity

7 Lower Linearity

8 V SC

9 H Parabola

10 Upper Corner

11 Lower Corner

12 H Trapezium

13 BOW

14 Angle

15 V Position

16 CXA Left Blk

17 CXA Right Blk

1 V Amp

2 V Shift

3 H EW

4 H Shift

5 V Linearity

6 Upper Linearity

7 Lower Linearity

8 V SC

9 H Parabola

10 Upper Corner

11 Lower Corner

12 H Trapezium

13 BOW

14 Angle

15 V Position

16 CXA Left Blk

17 CXA Right Blk1 V Amp

2 V Shift

3 H EW

4 H Shift

5 V Linearity

6 Upper Linearity

7 Lower Linearity

8 V SC

9 H Parabola

10 Upper Corner

11 Lower Corner

12 H Trapezium

13 BOW

14 Angle

15 V Position

16 CXA Left Blk

17 CXA Right Blk

1 V Amp

2 V Shift

3 H EW

4 H Shift

5 V Linearity

6 Upper Linearity

7 Lower Linearity

8 V SC

9 H Parabola

10 Upper Corner

11 Lower Corner

12 H Trapezium

13 BOW

14 Angle

15 V Position

16 CXA Left Blk

17 CXA Right Blk

1 V Amp

2 V Shift

3 H EW

4 H Shift

5 V Linearity

6 Upper Linearity

7 Lower Linearity

8 V SC

9 H Parabola

10 Upper Corner

11 Lower Corner

12 H Trapezium

13 BOW

14 Angle

15 V Position

16 CXA Left Blk

17 CXA Right Blk

Troubleshooting


4-2-5Replacements&CalibrationNo Item Data Remark1 Main B/D Adjust Tilt, Adjust Screen, Adjust Focus, Adjust Factory Data, Adjust W/B Toshiba Mode2 Power B/D Adjust Screen, Adjust Focus Toshiba Mode3 CRTAssy - -

4 FBT Adjust Screen, Adjust Focus Toshiba Mode5 SUB - -

■ Adjusting the Focus

YoumustadjustthesettingsinthefollowingorderfortheK16CchassiswhenreplacingtheCRTPCB,FBT,orCRT.

1. Display the Cross Hatch pattern.2. Set the Screen Adjustment to “OK”.3. TurntheFocusVRsothatthehorizontalandverticallinesareclearlydisplayed.4.ChecktheFocusfortheentirescreenandadjusttheFocusVRifnecessary.

■ Adjusting the Screen Voltage

1. Select: 2. Initialize all settings to the values appropriate to the corresponding model.3. Display the Toshiba pattern.

4. FirstcheckIBRMin“G2Adjust”ofFactoryandadjustScreenVRuntilthecolorofIBRMitemturnsgreen.

Info Menu PowerOnMutePowerOff

Focus VR

Troubleshooting


■ Adjusting the White Balance

1. Select:2. Initialize all settings to the values appropriate to the corresponding model.3. Display the Toshiba pattern and adjust the White Balance using CA100 with the coordinates of the corresponding model.

4. Enter Video Adjust1 of Service Mode. Adjust Low/Light.- Adjust Sub Bright to set Y.- Adjust B Cutoff to set y.- AdjustRCutofftosetx.

5. Enter Video Adjust1 of Service Mode. Adjust High/Light.- Adjust Sub Contrast to set Y.- Adjust B Drive to set y.- AdjustRDrivetosetx.

6. Check Low/Light and readjust it if its value has been changed.7. If you have readjusted Low/Light, readjust High/Light until the two values are identical to the coordinates of the corresponding

model.

※ White Balance Standard Data No Item Data RequiredAdjustment

1 White Balance x:286±3y:290±3Y:40±0.3 White Balance (Standard Data)x:286±3y:290±3Y:2.0±0.3

■ Check List for the Screen Voltage and White Balance Adjustment

1. The Screen Voltage and White Balance are connected to each other, and both of them have to be configured to the correct values.

2. Adjust the White Balance after the Screen Voltage was adjusted, and check if the Screen Voltage is normal after adjusting the White Balance.

3. If the White Balance is readjusted, check the Screen Voltage again.4. When the adjustment is finished, check the following checklist.

- f there is a spot on the screen when turning the TV set off/on, adjust the Screen Voltage again.- f there is a ghost line on the screen, adjust the Screen Voltage again.

Info Menu PowerOnMutePowerOff

[CA100]

MEMO


CW 21 Z 453 N S16G P Troubleshooting

Documents

power cord

power led

power failure

power description

abnormal screen

screen brightness

solution samsung electronics

screen overlaps doubletriple