Thursday, October 15, 2015

SAMSUNG UN46D6900WF - UN55D6900WF TROUBLE SHOOTING SOFTWARE UPDATE AND SERVICE MODE

 SAMSUNG UN46D6900WF - UN55D6900WF 

TROUBLE SHOOTING SOFTWARE UPDATE AND SERVICE MODE

Troubleshooting
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.
3. How to distinguish if the problem is caused by Main board or T-Con.
a. 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.
b. Distorted Picture : Check the inner patterns.
How to check inner pattern
1. Factory mode(Mute > 1 > 8 >  2 >  Power on when TV is in ‘Stand-by mode’)
2. Move to SVC menu.
3. Move to Test Pattern.
4. Check inner patterns.
(This model only support GenoaS, GenoaS FRC POST, HDMI)
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.
No Video (Analog PC signal)
Symptom
Audio is normal but no picture is displayed on the screen.
Check points
Check the PC source
Check the Genoa-P
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Video (HDMI - Digital Signal)
Symptom
Audio is normal but no picture is displayed on the screen.
Check points
Check the HDMI source
Check the Valencia
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Video (Tuner_CVBS)
Symptom
Audio is normal but no picture is displayed on the screen.
Check points
Check the Tuner CVBS source
Check the Genoa-P
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Video (Tuner DTV)
Symptom
Audio is normal but no picture is displayed on the screen.
Check points
Check the DTV source.
Check the Tuner, Check the Valencia.
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Video (Video CVBS 1, 2)
Symptom
Audio is normal but no picture is displayed on the screen.
Check points
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.
No Video (Component)
Symptom
Audio is normal but no picture is displayed on the screen.
Check points
Check the Component source
Check the Valencia
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Sound (1.Speaker 2.Monitor_out, 3.Optical)
Symptom
Video is normal but there is no sound.
Check points
When the speaker connectors are disconnected or damaged.
When the sound processing part of the Main Board is not functioning.
Speaker defect..
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 > MUTE > 1 > 8 > 2 > Power On
If you have Factory remote-control
INFO > Factory
If you don’t have Factory remote control, can’t control some menus. (Expert, Advanced menu)
AV Color Calibration Method
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/WB" and "ADB" 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.
Component Color Calibration Method
1) Apply the 720p Lattice (N0. 6) pattern signal to the Component IN 1 port
2) Press the Source key to switch to "component" mode
3) Enter Service mode
4) Select the "ADC/WB" and "ADB" 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.
PC Color Calibration Method
1) Apply the VESA XGA Lattice (N0. 21) pattern signal to the PC IN port
2) Press the Source key to switch to "PC" mode
3) Enter Service mode
4) Select the "ADC/WB" and "ADB" menu
5) Select the "PC Calibration" menu.
6) In "PC 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 "PC Calibration" status from Failure to Success.
HDMI Color Calibration Method
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/WB" and "ADB" 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.
Software Upgrade
Software Upgrade can be performed by network connection or downloading the latest firmware from samsung to a USB memory device.
By USB
Insert a USB drive containing the firmware upgrade file, downloaded from “samsung web” into the TV. Please be careful not to disconnect the power or remove the USB drive until upgrades are complete. The TV will be turned off and on automatically after completing the firmware upgrade. When software is upgraded, video and audio settings you have made will return to their default settings. We advise you to to write down your settings so that you can easily reset them after the upgrade.
By Online
Upgrades the software using the Internet.
# First, configure your network. For detailed procedures on using the Network Setting, refer to the ‘Setting the Network’ instructions.
# If The internet connection doesn’t operate properly, connection can be broken, please retry downloading.
If the problem still happens, download by USB and upgrade.
Alternative Software (Backup)
If there is an issue with the new firmware and it is affecting operation, you can change the software to the previous version.
# If Software was changed, existing Software is displayed.
# You can change current Software to Alternative Software by ‘Alternative Software’.
RS-232C
To RS232C Control
Port : COM#(Serial)
Bit rate : 115200
Data Bit : 8 bit
Parity : None
Stop Bits : 1
Flow Control : None
Description of RS232C
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