Friday, September 25, 2015

SAMSUNG UN32D5500RF - UN40D5500RF TROUBLE SHOOTING AND SERVICE MODE

SAMSUNG UN32D5500RF - UN40D5500RF 

LED TV

TROUBLE SHOOTING AND SERVICE MODE 

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.
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 Arsenal, Check the Chelsea.
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No video_HDMI1, 2, 3, 4 - Digital signal
Symptom
Audio is normal but no picture is displayed on the screen.
Check points
Check the HDMI source.
Check the HDMI switch, Check the Chelsea.
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 Tuner, Check the Chelsea.
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 Chelsea.
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Video_Video CVBS
Symptom
Audio is normal but no picture is displayed on the screen.
Check points
Check the Video CVBS source
Check the Chelsea.
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 chelsea.
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Sound
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
If you do not have Factory remote - control
Power OFF >  MUTE > 1 > 8 > 2 > Power ON
If you do not have Factory remote - control
INFO >  Factory
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 (PC)
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” 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.
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.
Software Upgrade
Software Upgrade can be performed by downloading the latest firmware from samsung.com to a USB memory device.
Current Version - the software already installed in the TV.
Note : Software is represented as ‘Year/Month/Day_Version’.
How to check the SW version
Use the main menu
1. Click the “menu” key in remote controler.
2. Select Support menu.
3. Locate the menu cursor “Software Upgrade” menu.
4. Click the “info” key.
5. Check the Main SW and Micom version.
Use the factory mode
Access the factory mode
How to Upgade SW and Micom
Insert a USB drive containing the firmware upgrade downloaded from samsung.com into the TV.
Please be careful to not disconnect the power or remove the USB drive while upgrades are being applied. The TV will turn off and turn on automatically after completing the firmware upgrade. Please check the firmware version after the upgrades are complete (the new version will have a higher number than the older version). When software is upgraded, video and audio settings you have When software is upgraded, video and audio settings you have you write down your settings so that you can easily reset them after the upgrade.
Main SW upgrade
1. Store the sw program named “T-MST5IBRC” in USB memory stick.
Connect the USB.
Connect TV and online line.
2. Click the MENU key in remote controler.
3. Select Support menu.
Locate the menu cursor Software Upgrade menu.
4. Click the ENTER key.
You can upgrade By USB or Online.
5. Click the ENTER key.
Wait for upgrade complete and check the SW version.
Sub micom upgrade
You can upgarde sub micom in factory mode without DDC program.
But it take long time about 5 minuites.
1. Access the fatory mode.
 Select the SVC menu and locate the cursor MICOM UPGRADE menu
2. Click the ENTER key.
Click the right key.
Wait for upgrade complete and check the Micom version.
Power supply connector voltages
CN201 (to Powr Board)
1
B5V
2
SW_POWER
3
B5V
4
A5V
5
GND
6
GND
7
B12VS
8
GND
9
B12VS
10
SW_INVERTER
11
B13V
12
NC
13
B13V
14
PWM_DIMM