Monday, June 17, 2013

SAMSUNG - LE26A336J1N – LE32A33 – LE37A33 – LE40A33 – LE32A33 J N - TROUBLESHOOTING - SERVICE MODE - OPTION TABLE


TROUBLESHOOTING
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 unit appears to be dead.
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:
  1. Check the internal cable connection status inside the unit.
  2. Check the fuses of each part.
  3. Check the output voltage of SMPS.
  4. Replace the Main Board.

No Video (Analog PC signal)
  • Audio is normal but no picture is displayed on the screen.
  1. Check the PC source
  2. Check the SEMS01
  3. This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.

No Video (HDMI - Digital Signal)
  • Audio is normal but no picture is displayed on the screen.
  1. Check the HDMI source
  2. Check the SEMS01
  3. This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Video (Tuner_CVBS)
  • Audio is normal but no picture is displayed on the screen.
  1. Check the Tuner CVBS source
  2. Check the SEMS01
  3. This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Sound
  • Audio is normal but no picture is displayed on the screen.
  1. Check the RF Source
  2. Check the SEMS01
  3. This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
  • Usually, a color LCD-TV needs only slight touch-up adjustment upon installation.
  • Check the basic characteristics such as height, horizontal and vertical sync.
  • Use the specified test equipment or its equivalent.
  • Correct impedance matching is essential.
  • Avoid overload. Excessive signal from a sweep generator might overload the front-end of the TV. When inserting signal markers, do not allow the marker generator to distort test result.
  • Connect the TV only to an AC power source with voltage and frequency as specified on the back cover nameplate.
  • Do not attempt to connect or disconnect any wire while the TV is turned on. Make sure that the power cord is disconnected before replacing any parts.
  • To protect against shock hazard, use an isolation transformer.
SERVICE MODE
  • To enter ‘Service Mode’ Press the remote -control keys in this sequence :
INFO => MENU => MUTE => Power on
The buttons are active in the service mode.
  • Remote Control Key : Power, Arrow Up, Arrow Down, Arrow Left Arrow Right, Menu, Enter, Number Key (0~9)
  • Function - Control Key : Power, CH +, CH -, VOL +, VOL -,Menu, TV/VIDEO (Enter)
Panel Check
You have to check Panel Maker Because of different adjustments as follows.
First of all, Check the label rating
Label Rating File
LCD PANEL MARK A:ACER(AUO), S : SEC, C : CMO
# If not printed you could consider S (sec) panel mark
FACTORY DATA
Checksum
T-JDEPEUMD-XXXX (Main Micom Ver.)
T-PERLDEUC-XXXX(DTV MICOM Ver.)
EDID: L12_1366_768 Success
HDCP Success
Month/Day/Year  Hour/Min./Sec.
OPTION TABLE
CLICK ON TABLES TO ZOOM

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