Thursday, October 29, 2015

SAMSUNG UE50H6200AW SERVICE MODE AND TROUBLE SHOOTING

SAMSUNG UE50H6200AW 

SERVICE MODE AND TROUBLE SHOOTING

Troubleshooting
Previous Check
1. Check the various cable connections first.
- Check to see if there is a burnt or damaged cable.
- Check to see if there is a disconnected or loose cable connection.
- Check to see if the cables are connected according to the connection diagram.
2. Check the power input to the Main Board.
Pic 1
3. How to distinguish if the problem is caused by Main Board or T CON
- No Video
If the problem is No Video but BLU is on and Indication LED is blinking repeatedly and faster than nomal booting, replace the T-CON board.
- Distorted Picture
Check the inner patterns.
X12
FOX_FT1 FRC Post
Picture
Problem
OK
OK
NG
Main Board or Signal Source
NG
OK
NG
Main Board
NG
NG
NG
Main Board or LVDS cable or T CON or Panel

Only for HDMI mode (additional check)
HDMI
Picture
Problem
OK
NG
There is no problems after HDMI IC check HDMI source or HDMI jack.
NG
NG
There is no problems before HDMI IC check X12 pattern or LVDS cable or T CON

How to check inner pattern?
1. Enter the service mode
> Choose ‘SVC’ > Check the ‘internal pattern.’
2. Enter ‘Service Mode.’
- If you do not have Factory remote control
Power OFF > INFO > MENU > MUTE > Power On
- If you have Factory remote control
INFO > Factory
3. Choose ‘SVC
> Test pattern’.
4. Check inner patterns.
How to Check Fault Symptom
NO Power
SYMPTOM
The LEDs on The front panel do not work when connecting The power cord.
The SMPS relay does not work when connecting The power cord.
The units appears to be dead.
CHECK POINTS
The IP relay or the LEDs on the front panel does not work when connecting the power cord if the cables are improperly connected or the Main Board or SMPS is not functioning. In this case, check the following:
Check the internal cable connection status inside the unit.
Check the fuses of each part.
Check the output voltage of SMPS.
Replace the Main Board.
Factory Mode Adjustments
Entering Factory Mode
To enter ‘Service Mode’ Press the remote -control keys in this sequence :
If you do not have Factory remote control
Power OFF > INFO > MENU > MUTE > Power On
# If you have Factory remote control
INFO > Factory
HOW to enter the Advanced menu (Picture)
Cursor move to ‘Advanced’. >   Push the ‘0’ button 4 times. >   You can see the ‘Picture’ menu.
# If you don’t have Factory remote control, can’t control some menus. (Expert, Advanced menu)
White Balance
Calibration
1. Into the Factory Mode.
2. Select
ADC/WB menu.
3. Select
ADC menu.
Service Adjustment
You must perform Calibration in the Lattice Pattern before adjusting the White Balance.
Method of Color Calibration (AV)
1. Apply the NTSC Lattice (N0. 3) pattern signal to the AV IN 1 port.
2. Press the Source key to switch to “AV1” mode.
3. Enter Service mode.
4. Select the “ADC” menu.
5. Select the “AV Calibration” menu.
6. In “AV Calibration Off” status, press the “
” key to perform Calibration.
7. When Calibration is complete, it returns to the high-level menu.
8. You can see the change of the “AV Calibration” status from Failure to Success.
Method of Color Calibration (Component)
1. Apply the 720p Lattice (N0. 6) pattern signal to the Component IN 1 port.
2. Press the Source key to switch to “Component1” mode.
3. Enter Service mode.
4. Select the “ADC” menu.
5. Select the “Comp Calibration” menu.
6. In “Comp Calibration Off” status, press the “
” key to perform Calibration.
7. When Calibration is complete, it returns to the high-level menu.
8. You can see the change of the “Comp Calibration” status from Failure to Success.
Method of Color Calibration (HDMI)
1. Apply the 720p Lattice (N0. 6) pattern signal to the HDMI1/DVI IN port.
2. Press the Source key to switch to “HDMI1” mode.
3. Enter Service mode.
4. Select the “ADC” menu.
5. Select the “HDMI Calibration” menu.
6. In “HDMI Calibration Off” status, press the “
” key to perform Calibration.
7. When Calibration is complete, it returns to the high-level menu.
8. You can see the change of the “HDMI Calibration” status from Failure to Success.
Adjustment
9. Into the Factory Mode.
10. Select
ADC/WB menu.
11. Select
White Balance menu.
RS-232C
# RS232C Control
- Port : COM#(Serial)
- Bit rate : 115200
- Data Bit : 8 bit
- Parity : None
- Stop Bits : 1
- Flow Control : None
Pin#
Name
Full Name
1
CD
Carrier Detect
2
RxD
Received Data
3
TxD
Transmitted Data
4
DTR
Data Terminal Ready
5
GND
Signal Ground
6
DSR
Data Set Ready
7
RTS
Request To Send
8
CTS
Clear To Send
9
RI
Ring Indicator