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.
- 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)
- Audio is normal but no picture is displayed on the screen.
- Check the PC source
- Check the SEMS01
- 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.
- Check the HDMI source
- Check the SEMS01
- This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
No Video (Tuner_CVBS)
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No Sound
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- Audio is normal but no picture is displayed on the screen.
- Check the Tuner CVBS source
- Check the SEMS01
- This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
- Audio is normal but no picture is displayed on the screen.
- Check the RF Source
- Check the SEMS01
- 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 :
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)
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