The service menu is provided to facilitate instrument alignment and service adjustments. The service menu is accessed by pressing two combinations of buttons on the instruments' front panel control panel key board. With the instrument ON, Press and Hold (Vol - ) button and then in sequence press and release the (CH + ) button and (CH - ) button. The TV set should immediately display a on-line menu on the bottom of the screen
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000 00000 250
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To enter required service parameter, Press and Hold the (Vol + ) button, either at the remote control, or at the front panel of the TV, until the three digits at the right of the screen shows [076].
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000 00000 076
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The group of zeros in the center of the service menu display will show the paramenter # while the three zeros to the right provides the value range.
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000 00011 076
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The number in the center is the parameter number, and the number on the right is the current value of that parameter. The [Ch Up & Ch Dn] buttons, either on the TV or on the remote control will increment or decrements the parameter number. The [Vol Up & Vol Dn] buttons, either on the TV or on the remote control adjusts the current value of the selected parameter. There is only one parameter category. It is used for security reasons to protect the Factory Alignments and preset adjustments from being modified by the user.
To "EXIT" the service menu, press the "Power" button on the remote control, of at the front panel of the TV.
PARAMETER => PARAMETER NAME => VALUE RANGE
00 => SECURITY NUMBER => MUST BE 076
01 => VCO => 00 - 127.
02 => AGC => 00-63
03 => RED BIAS => 00-255
04 => GREEN BIAS => 00-255
05 => BLUE BIAS => 00-255.
06 => GREEN DRIVE => 00-255
07 => BLUE DRIVE => 00-255.
08 => PEAK WHITE => 00-52.
09 => HORIZONTAL PHASE => 00-63
10 => VERTICAL AMPLITUDE => 00-63
11 => VERTICAL PHASE => 00-07.
