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UN46EH5000FXZA

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FIRMWARE: 

6/4/2012  Version 1012.3

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2012 LED TV X9N Full HD Firmware             

(T-MX9FAUSC_1012.3) 

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“Makes better picture quality and solves 

sound noise with 'Auto Volume On'.”
Avail on GSPN or Samsung,Com

Always check for latest updates

Fast Track Troubleshooting Manual – Rev 6/26/12

Quick Parts List: 

- Verify before ordering -

MAIN

LVDS 

Cable

SMPS

SPEAKER- L

SPEAKER- R

SERVICE BULLETINS

ASC20120319002

SUBJECT: Rear Cover replacement 
procedure for 2012 Full LED (EH 
series) TV models 

ASC20120319001

SUBJECT: Front Cover replacement 
procedure

HOT TIPS

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New 2012 Model… always check for latest 

bulletins and firmware updates. 

- Important Bulletins for rear cover removal 
and front cover replacement to prevent 
damage.

1

T-CON

SPEAKER- L

SPEAKER- R

Summary of Contents for UN46EH5000FXZA

Page 1: ...nual Rev 6 26 12 Quick Parts List Verify before ordering MAIN LVDS Cable SMPS SPEAKER L SPEAKER R SERVICE BULLETINS ASC20120319002 SUBJECT Rear Cover replacement procedure for 2012 Full LED EH series TV models ASC20120319001 SUBJECT Front Cover replacement procedure HOT TIPS New 2012 Model always check for latest bulletins and firmware updates Important Bulletins for rear cover removal and front c...

Page 2: ...move 4 screws from the stand 3 Remove stand 4 Remove the 1 screw of cover jack 7 Remove the Not removing the 5 Remove cover jack 6 Disconnect the function Assy Cable 2 7 Remove the screws of rear cover 8 Remove the rear cover Not removing the connector can cause Damage to the PC Connector as shown ...

Page 3: ...2 PWM_DIMM PWM_DIMM PWM_DIMM PWM_DIMM 9 9 9 9 GND GND GND GND 3 3 3 3 B13V B13V B13V B13V 10 10 10 10 GND GND GND GND 4 4 4 4 B13V B13V B13V B13V 11 11 11 11 B5V B5V B5V B5V 5 5 5 5 Vamp 13V Vamp 13V Vamp 13V Vamp 13V 12 12 12 12 A5V A5V A5V A5V 6 6 6 6 BLU On Off BLU On Off BLU On Off BLU On Off 13 13 13 13 B5V B5V B5V B5V 7 7 7 7 Vamp 13V Vamp 13V Vamp 13V Vamp 13V 14 14 14 14 Power On Off Power...

Page 4: ... 5 7 B13V CN803 11 13 B5 13V 5V 4 Back Light On Off CN803 6 0V 4 9V 5 MAIN SMPS 4 Back Light On Off From Main Board CN803 6 BLU On Off 0V 4 9V 5 Sec Dly 5 Back Light Dim Control from Main Board 0 to 20 Backlight CN803 2 PWM_DIMM effective DC Voltage is max when backlight max 0 5V 4 0V effective Dark to Bright 6 Dim Control Out from IP SMPS to LEDs D1 is max voltage when backlight is min CNL802 1 2...

Page 5: ... 3V on Function Connector Pin 3 All Pins should read 3 3V before commands Function Control Troubleshooting 5 Press at Key 1 Pin 6 3 3V to 0 0V DC Left Right Up Down at Key 2 Pin 7 Check specific voltages on chart ...

Page 6: ... a defective input on the Main Board d Substitute with known good Source external DVD or Signal Generator to check Fast Track Troubleshooting Manual T Con Troubleshooting 6 external DVD or Signal Generator to check inputs on Main Board 2 Using Test Patterns in Factory Mode ENTER FACTORY MODE 1 Select an active source signal since Test Pattern may rely on signal source to appear or select TV Source...

Page 7: ...rd Remote 1 Power OFF the TV 2 Press MUTE 1 8 2 then POWER Factory remote 1 Power the TV ON 2 Press INFO then FACTORY 7 SPECIAL NOTES Inform customer of reset of all Settings if Main Board is replaced Pixelization can be caused by the main board but is more commonly a source error Upgrade for all repairs 3 Perform reset in Service Mode if Main board is replaced Vertical or Horizontal Lines Defecti...

Page 8: ...e Front Cover 1 Place TV face up on cushioned table 3 Carefully remove the Front Cover and insulated paper in Front of T Con area 4 Attach the Front Cover bottom first to the panel 5 Secure the plastic latch on the left and right side of the Front Cover as shown 6 Visually inspect the spacing between the Cover and the panel for equal clearance 7 Combine to stick the Front Cover Rib into the middle...

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