Samsung
PA43H4900AR, PA51H4900AR Plasma TV: Troubleshooting
* 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.
* 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.
Check
the power input to the Main Board.
How
to distinguish if the problem is caused by Main board or Logic Board
No
Video
If the problem is No Video but Logic Board is on and Indication LED is blinking repeatedly and faster than normal booting, replace the Main/Logic board.
If the problem is No Video but Logic Board is on and Indication LED is blinking repeatedly and faster than normal booting, replace the Main/Logic board.
Logic
test pattern > OK
Picture
Not Good
Main
board fault.
Logic
test pattern > Not Good
Picture
> Nog Good.
Module
(Panel / Logic) or Main board.
How
to check Logic test pattern
a) Entering Factory mode.
b) Move to SVC menu.
c) Move to Test Pattern.
d) Move to Test Pattern.
a) Entering Factory mode.
b) Move to SVC menu.
c) Move to Test Pattern.
d) Move to Test Pattern.
H/W
Logic test pattern
Operating
Logic LED and Front Cover LED (IR)
Normal: LED
blink time is once per 0.5s
Abnormal: LED
Blink interver is 0.3s and Off time 4s
LED
blinking codes and faulty PWBs
Fault
Symptom > No Power
* 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 appear to be dead.
* The SMPS relay does not work when connecting the power cord.
* The units appear to be dead.
The
SMPS 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.
* 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
Audio
is normal but no picture is displayed on the screen.
* The
output voltage of the Main SMPS.
* This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
* This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No
sound
Video
is normal but there is no sound.
* When
the speaker connectors are disconnected or damaged.
* When the sound processing part of the Main Board is not functioning.
* Speaker defect.
* SMPS not supplying voltage to the main board.
* When the sound processing part of the Main Board is not functioning.
* Speaker defect.
* SMPS not supplying voltage to the main board.
How
to enter the service mode [Factory mode]
To
enter ‘Service Mode’ Press the remote -control keys in this sequence
* If you do not have Factory remote control
NTSC
> Standby èMute
è 1 è 8 è 2 è Power
PAL
> Standby è
Info è Menu è Mute è Power
With
a factory remote control:
Info
è
Factory
If
you do not have a factory remote control, can’t control some menu.
White
balance adjustment
1) Into
the Factory Mode.
2) Select ADC/WB menu.
3) Select ADC menu
2) Select ADC/WB menu.
3) Select ADC menu
Perform
Calibration in the Lattice Pattern before adjusting the White Balance.
Use
other equipment only after comparing the result with that of the Master
equipment.
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.
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.
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.
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.
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.
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.
