Samsung UN46D6400UFXZA Schematic

5 (3)

UN46D6400UFXZA Fast Track Troubleshooting Manual Rev – 12/27/11

Main PCB

SMPS

 

 

LVDS Cable

T-CON

Board

Support Information

HELP 1-888-751-4086; 1-866-894-0637 (FE)

GSPN

http://gspn3.samsungcsportal.com/

http://my.plus1solutions.net/clientPortals/samsung

HOT TIPS

Power On Problems: (see page 2) Video Problems: (see page 3)

Backlight on but no video:

Verify 13v on the fuse on the Tcon board (both sides of the fuse). If this is not there you have a bad Tcon. Replace tcon if available if not replace panel.

FIRMWARE

12/25/2011

T-GASAKUC

Version: 1026.0

Be sure to check for latest SW updates.

Description:

N/A

Service Bulletins

ASC20110624002: 2011 LED OPTION BYTE TABLE

Part No.

Description

BN07-00998A

LCD-PANEL;LD460CSC-C1,CLL7CC3,10 BITS,46

BN44-00427B

SMPS

BN81-06343A

A/S-T CON;LD460CSC-C1

BN94-05038M

ASSY PCB MAIN;UN46D6400UFXZA

BN96-16722B

ASSY GUIDE P-STAND;UD5000-6000,SAMEX,PC,

BN96-16798B

ASSY SPEAKER P;6OHM,4PIN,10W,ENCLOSURE T

BN96-16866B

ASSY COVER P-MIDDLE;UD6400 46,MABS(CLEAR

BN96-16876A

ASSY COVER P-REAR;UD6500 46,UO,PCM,T0.45

BN96-18099H

ASSY BOARD P-IR;UD7000 46",CT5000-8720H(

BN96-18130C

ASSY CABLE P-FPCB LVDS;LED120HZ-46INCH,F

BN96-18232E

ASSY BOARD P-TOUCH FUNCTION;UA32D6500,CT

BN96-18953C

ASSY STAND P-BASE;UD6500 46,AL STAND

BN07-00998A

LCD-PANEL;LD460CSC-C1,CLL7CC3,10 BITS,46

Be sure to check for latest parts updates.

Samsung UN46D6400UFXZA Schematic

UN46D6400UFXZA Fast Track Troubleshooting Manual Rev – 12/27/11

CN201

Power-Up Sequence (CN201):

1.

Standby Voltage:

Pin 4

(5Vdc)

2.

Power-ON:

Pin 2

(Low-Hi voltage transition)

3.

Low Voltages:

Pin 1, 3, 7, 9, 11, 12, 13

4.

Backlight On:

Pin 10 (5Vdc)

Forced Backlight-On Mode:

1.Disconnect Power Cord

2.Disconnect wire harness from CN201

3.Re-Connect Power Cord

4.LED Backlight should immediately turn on

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