Service mode
To
enter to the SERVICE MODE function, press and hold both buttons simultaneously
on the main unit and on the remote control for more than the standard time in
the appropriate condition. (See below chart.)
Replacing
EEPROM (MEMORY) IC
Initial
total of MEMORY IC, POWER ON total hours and MICON VERSION can be checked on
the screen. Total hours are displayed in 16 system of notation.
[If
you set a factory initialization, the total hours is reset to "0".]
Turn
on the POWER, and set to the TV mode.
Set the VOLUME to minimum.
Press both VOL. DOWN button on the set and Channel button (8) on the remote control for more than 2 seconds.
After the confirmation of each check sum, turn off the power.
Set the VOLUME to minimum.
Press both VOL. DOWN button on the set and Channel button (8) on the remote control for more than 2 seconds.
After the confirmation of each check sum, turn off the power.
Confirmation
of initial data.
Adjustments
Use
an isolation transformer when performing any service on this chassis.
When removing a PCB or related component, after unfastening or changing a wire, be sure to put the wire back in its original position.
When you exchange IC and Transistor with a heat sink, apply silicon grease (YG6260M) on the contact section of the heat sink. Before applying new silicon grease, remove all the old silicon grease. (Old grease may cause damage to the IC and Transistor).
When removing a PCB or related component, after unfastening or changing a wire, be sure to put the wire back in its original position.
When you exchange IC and Transistor with a heat sink, apply silicon grease (YG6260M) on the contact section of the heat sink. Before applying new silicon grease, remove all the old silicon grease. (Old grease may cause damage to the IC and Transistor).
Set the VOLUME to
minimum.
Press the VOL. DOWN button on the set and the channel button (9) on the remote control for more than 2 seconds to display adjustment mode on the screen as shown below.
Press the VOL. DOWN button on the set and the channel button (9) on the remote control for more than 2 seconds to display adjustment mode on the screen as shown below.
Use
the Channel UP/DOWN button or Channel button (0-9) on the remote control to
select the options.
Press the MENU button on the remote control to end the adjustments.
To display the adjustment screen for AV, HDMI and COMPONENT mode, press the INPUT SELECT button on the remote control to set to the AV, HDMI and COMPONENT mode. Press the VOL.DOWN button on the set and the channel (9) on the remote control for more than 2 seconds.
Press the MENU button on the remote control to end the adjustments.
To display the adjustment screen for AV, HDMI and COMPONENT mode, press the INPUT SELECT button on the remote control to set to the AV, HDMI and COMPONENT mode. Press the VOL.DOWN button on the set and the channel (9) on the remote control for more than 2 seconds.
Contrast
Receive the monoscope pattern.(RF Input)
Activate the adjustment mode display of and press the channel button (35) on the remote control to select "CONTRAST CENTER".
Check if the step No. CONTRAST CENTER is "147".
Receive a broadcast and check if the picture is normal.
Press the INPUT SELECT button on the remote control to set to the AV mode.
Activate the adjustment mode display of and press the channel button (35) on the remote control to select "CONTRAST CENTER".
Check if the step No. CONTRAST CENTER is "147".
Receive a broadcast and check if the picture is normal.
Receive a Color Bar Pattern.
Press the INPUT SELECT button on the remote control to set to the COMPONENT mode.
Activate the adjustment mode display of and
press the channel button (35) on the remote control to select "CONTRAST CENTER".
Check if the step No. CONTRAST CENTER is "147".
Receive a broadcast and check if the picture is normal.
Playback the DVD disc. (480i input)
Press the INPUT SELECT button on the remote control to set to the HDMI mode.
Activate the adjustment mode display of and
press the channel button (35) on the remote control to select "CONTRAST CENTER".
Check if the step No. CONTRAST CENTER is "147".
Receive a broadcast and check if the picture is normal.
Receive the monoscope pattern.(RF Input)
Activate the adjustment mode display of and press the channel button (35) on the remote control to select "CONTRAST CENTER".
Check if the step No. CONTRAST CENTER is "147".
Receive a broadcast and check if the picture is normal.
Press the INPUT SELECT button on the remote control to set to the AV mode.
Activate the adjustment mode display of and press the channel button (35) on the remote control to select "CONTRAST CENTER".
Check if the step No. CONTRAST CENTER is "147".
Receive a broadcast and check if the picture is normal.
Receive a Color Bar Pattern.
Press the INPUT SELECT button on the remote control to set to the COMPONENT mode.
Activate the adjustment mode display of and
press the channel button (35) on the remote control to select "CONTRAST CENTER".
Check if the step No. CONTRAST CENTER is "147".
Receive a broadcast and check if the picture is normal.
Playback the DVD disc. (480i input)
Press the INPUT SELECT button on the remote control to set to the HDMI mode.
Activate the adjustment mode display of and
press the channel button (35) on the remote control to select "CONTRAST CENTER".
Check if the step No. CONTRAST CENTER is "147".
Receive a broadcast and check if the picture is normal.
Fixed
Value
