REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Saturday 9 March 2019

SAMSUNG UE40B7000WW TROUBLE SHOOTING SERVICE MODE AND SOFTWARE UPGRADE

SAMSUNG UE40B7000WW TROUBLE SHOOTING SERVICE MODE AND SOFTWARE UPGRADE


SAMSUNG UE40B7000WW 

TROUBLE SHOOTING SERVICE MODE AND SOFTWARE UPGRADE  


TROUBLE SHOOTING 
No Power
SYMPTOM
The PD board relay does not work when connecting the power cord.
The units appears to be dead.
CHECK POINTS
The PD relay does not work when connecting the power cord if the cables are improperly connected or the
Main Board or PD 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 PD.
Replace the Main Board.
Caution: Make sure to disconnect the power before working on the IP 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 IC7001(chelsea)
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
Caution: Make sure to disconnect the power before working on the IP board.
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 IC7001(chelsea)
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
Caution: Make sure to disconnect the power before working on the IP board.
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 Chelsea
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
Caution: Make sure to disconnect the power before working on the IP board.
No Video (Tuner DTV)
SYMPTOM
Audio is normal but no picture is displayed on the screen.
CHECK POINTS
Check the DTV source
Check the Chelsea
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
Caution: Make sure to disconnect the power before working on the PD board.
No Video (Video CVBS 1)
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.
Caution: Make sure to disconnect the power before working on the PD board.
No Video (Component 1)
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.
Caution: Make sure to disconnect the power before working on the PD board.
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.
Caution: Make sure to disconnect the power before working on the PD board.
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
How to Access Service Mode
Using the Customer Remote
Turn the power off and set to stand-by mode
Press the remote buttons in this order; POWER OFF - INFO - MENU - MUTE - POWER ON to turn the set on. The set turns on and enters service mode. This may take approximately 20 seconds.
Press the Power button to exit and store data in memory.
- If you fail to enter service mode, repeat steps 1 and 2 above.

Method of Color Calibration (AV)
1) Apply the NTSC Lattice (N0.2) 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.
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/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.
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/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.
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/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.
Upgrading the Software
Samsung may offer upgrades for TV’s firmware in the future. Please contact the Samsung to receive information about downloading upgrades and using a USB drive. Upgrades will be possible by connecting a USB drive to the USB port located on your TV.

1.Insert a USB drive containing the firmware upgrade into the Wiselink Pro port on the side of the TV.
2.If pop up is showed, press the exit or or press the No button. (If you press Yes button, display is changed to Wiselink Pro Menu )
3.Press the MENU button to display the menu.
Press the ▲ or ▼ button to select “Setup”, then press the ENTER button.
4.Press the ▲ or ▼ button to select “SW Upgrade”, then press the ENTER button.
5. Press the ENTER button.
The message “Scanning for USB... It may take up to 30 seconds.” is displayed.
6.The message “Upgrade version XXXX to version XXXX? The system will be reset after upgrade.” is displayed.
Press the ◄ or ► to select the “OK”, then press the ENTER button.
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. When software is upgraded, video and audio settings you have made will return to their default (factory) settings. We recommend you write down your settings so that you can easily reset them after the upgrade.
Self Diagnostic
This is simple test function that judge whether is TV SET’s problem or not.
There are two self-test. Picture and Sound.

1.Press “Menu -> Support -> Self Diagnosis”
The message “Picture Test / Sound Test” is displayed.
2. Picture Test
1) The message “Does the problem still exist with this test pattern?” is displayed.
2) Press “Yes”. This is a TV SET problem. The massage “Contact Samsung  for assistance.” is displayed.
3) Press “No”.
This is not a TV SET problem.
The message “If the self diagnosis picture is OK, picture distortion may caused by your external device. Please check connection. If the problem still persists, refer to the external device’s user manual.” is displayed.
3. Sound Test
1) The message “Does the problem still exist with this sound test?” is displayed.
2) Press “Yes”. This is a TV SET problem.
The message “Contact  SAMSUNG for assistance.”is displayed
3) Press “No”.
This is not a TV SET problem.
The message “If the self diagnosis picture is OK, picture distortion may caused by your external device. Please check connection. If the problem still persists, refer to the external device’s user manual.” is displayed.
Posted By: FRANK at 11:13
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