Sunday, December 02, 2012

HP - LT3200 _ LT3700 _ LT4200 _ LT4700 _ LCD TV__ LED BLINKING CODES _ SOFTWARE VERSION INFORMATION





LED BLINKING INDICATIONS


Indicator
Blink frequency
Failure part
Location

Amber and aqua LED blinking

1 sec interval
MCU-Host link error
Main board

Amber LED blinking
1 sec interval
TAFE does not respond

Main board

Aqua LED blinking
1 sec interval
Tuner does not respond

Main board

Amber LED blinking
2 sec interval
Digital demodulator does not respond

Main board

Aqua LED blinking
2 sec interval
Audio process does not respond

Main board

Amber & Aqua LED blinking
2 sec interval
More than two I2C devices error.
Main board


The special condition to watch out with: Red LED blinking 2 seconds interval _ Digital Demodulator does not respond.

Error code '003' [digital demodulator does not respond] requires source to be selected as "Antenna" before the test is valid.  If the source is not antenna, it will always give error code '003', because digital demodulator is not turned ON until 'antenna' source is selected.

SOFTWARE VERSION INFORMATION
  • Turn the TV ON.
  • Press 'Menu' button.
  • From OSD, select "Setup => Time"
  • Press keys { SAP/MTS > 7 > 7 > 7 }
  • The software version will be displayed.
TO RUN DIAGNOSIS
  • Power OFF the TV and pull disconnect the Power Cord.
  • Plug in power cord while Holding the Power button on the panel of the TV.  Hold the Power button until a testing message appears.  This may take up to 30 seconds.
  • Diagnostic test begins.
TO GET BACK TO NORMAL TV OPERATION
  • After diagnostic test finishes, power off the TV and disconnect the power cord.
  • Wait for about 30 seconds, and then plug the power cord back in.  The TV returns to normal mode.
INSTALALTION MENU
The TV incoperate custom menus that are accessible only through a special combination of keys on the remote control.  These menus are not available to all users and are to be used by service technicians.  The installtion menu allows to change default setting values of current input audio and video modes.
 To access the installation menu.
  • Turn ON the TV.
  • On the remote, press 'Menu' button.
  • From the OSD,  select Setup => Time.
  • If the TV is not in the Hotel Mode, press the following key sequence: 'SAP/MTS => 1 => 3 => 5.
  • If the TV is in the Hotel Mode, change the input source to AV2, then press 'SOURCE +> 1 => 3 => 5.