Samsung UN40D6500VF Spécifications télécharger pdf (Page 51)

4-18

4. Troubleshooting

4-1-6. No Video (Video CVBS 1, 2)

N Refer to the next page to check the location such a CN201 or IC201 SVC Manual mentioned.

Symptom Audio is normal but no picture is displayed on the screen. -

Major

checkpoints

Check the Video CVBS source. -

Check the Tuner, Check the Valencia. -

This may happen when the LVDS cable connecting the Main Board and the Panel is -

disconnected.

Diagnostics

MAIN BOARD

SMPS BOARD

T-CON

Input the RF source properly.

Please, contact Tech support.

Check CN502 or CN501.

Change the Main Assy.

Check IC1001(GenoaS) and

IC2001(Parma).

Change the Main Assy.

Check IC1001(GenoaS) and

IC2001(Parma).

Change the Main Assy.

Yes

Power indicator LED is off.

Lamp(Backlight) on, no video ?

Check a set in the ‘Stand-by mode’.

Yes

Check the RF source and

check the connection of RF cable ?

Check the LVDS cable?

Replace the T-con / LCD panel?

Check the CVBS signal

at Input of IC801(Arsenal) ?

AV1 R501 : AV1_CVBS

AV2 R505 : AV2_CVBS

Check the LVDS clk signal at output of

Main board ? (TX)

TX2_CLK : LV_TX2_DN/DP

TX4_CLK : LV_TX4_DN/DP

Check the CVBS clk signal at output of

IC801 (Arsenal)?

R807 : ASN_CVBS_CLK

Caution Make sure to disconnect the power before working on the IP board.

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Samsung UN40D6500VF Spécifications Page 51

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