Samsung UN50EH5000FXZA Schematic

UN50EH5000FXZA

T-CON

SPEAKER

-

R

CH01

BN07

-

01140A

LCD

-

Panel

MAIN

Fast Track Troubleshooting Manual – Rev 6/25/12

-FIRMWARE: 6/4/2012 Version 1012.3

-2012 LED TV X9N Full HD Firmware

(T-MX9FAUSC_1012.3)

-“Makes better picture quality and solves
sound noise with 'Auto Volume On'.”
Avail on GSPN or Samsung,Com

Always check for latest updates

SMPS

Quick Parts List:

- Verify before ordering -

LVDS

Ver. Part No. Description

SPEAKER- L

CH01 BN94-05764R Main Board

HELP : 888-751-4086; 866-894-0637 FE)
GSPN

http://gspn3.samsungcsportal.com

PLUS ONE

http://my.plus1solutions.net/clientPortals/sam
sung

HOT TIPS

-New 2012 Model… always check for latest
bulletins and firmware updates.

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

SERVICE BULLETINS

No Bulletins listed for this exact
model /size as of the date of this
revision.

Other smaller sizes for the same
model series have important
bulletins concerning rear cover
removal and front cover
replacement procedure to prevent
damage.

CH01 BN44-00499A SMPS

CH01 BN96-22213A T-Con

CH01 BN96-22413L Jog Sw. & IR

CH01 AA59-00600A Rem. Cont.

1

UN50EH5000FXZA

2222

D1

D1 D1

D1

----

LVDS

Fast Track Troubleshooting Manual

CN803

CNL802

CNL802 IP SMPS to LEDs

CN803 IP SMPS to /fro MAIN BOARD

CN803 IP SMPS to /fro MAIN BOARD

CN803 IP SMPS to /fro MAIN BOARDCN803 IP SMPS to /fro MAIN BOARD

1111 B13V

2222 PWM_DIMM

3333 B13V

4444 B13V

5555 Vamp 13V

6666 BLU On/Off

7777 Vamp 13V

B13V 8888 GND

B13VB13V

PWM_DIMM 9999 GND

PWM_DIMMPWM_DIMM

B13V 10

B13VB13V

B13V 11

B13VB13V

Vamp 13V 12

Vamp 13VVamp 13V

BLU On/Off 13

BLU On/OffBLU On/Off

Vamp 13V 14

Vamp 13VVamp 13V

10 GND

1010

11 B5V

1111

12 A5V

1212

13 B5V

1313

14 Power On/Off

1414

GND

GNDGND

GND

GNDGND

GND

GNDGND

B5V

B5VB5V

A5V

A5VA5V

B5V

B5VB5V

Power On/Off

Power On/OffPower On/Off

1111 D1

3333 N/C
4444 D1 +
5555 D1 +

D1 ----

D1 D1

N/C

N/CN/C

D1 +

D1 +D1 +
D1 +

D1 +D1 +

UN**EH TV Start Up Sequence

4.

Back Light On/Off

CN803

-

6)

0V

–

4.9V 5

(effective)

)

Sequence Location DC Voltage

MAIN

1. 5V STBY to

Main Board

2. Power On/Off

From Main Board

3. Low Volts On to

Main Board with Booting

Melody (X9 MStar)

From Main Board

5. Back Light Dim Control

from Main Board “0 to 20”

Backlight

CN803-12

(A5V)

CN803-14

(Power On/Off)

Power On/Off)

Power On/Off)Power On/Off)

CN803-1,3,5,7 (B13V)
CN803- 11,13 (B5) 13V

BLU On/Off

CN803 - 2

(PWM_DIMM)

effective DC Voltage is

max when backlight

5V

0V-3.5V

5V

Sec Dly

0.5V – 4.0V

Dark to

Bright

SMPS

6. Dim Control Out from IP

SMPS to LEDs D1 – is max
voltage when backlight is min

max

CNL802-1 & 2 (D1 -
C NL802-4 & 5 (D1+)

D1 + stays constant DC

voltage.

1.3V-32.8V

110.8V