TO ENTER SERVICE MODE
- Press 'Mute' button once on the remote control.
- Press 'Mute' button again to keep pressing
- While pressing the 'Mute' button, press 'Menu' button on the 'TV' set.
- Service mode window will be displayed with 'S' on the screen.
- Press 'Menu' button on the 'TV' to select.
- To "Exit' service mode, press, press 'Power' button to turn OFF the TV once.
KEY FUNCTION IN THE SERVICE MODE
A single horizontal line
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TV 9ANT) / Video button on the TV
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Test signal selection
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TV(ANT) / Video button [on the remote]
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Selection of adjustment items
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Channel Up / Dn button on the remote.
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Change of data value.
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Volume Up / Dn button on the remote.
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Adjustment menu mode On/Off
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Menu button on the TV.
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Initialization of the memory (QA02)
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Recall + Channel Up button on the ‘TV’
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Initialization of the self diagnostic data
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Recall + Channel dn button on the ‘TV’
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R-cut selection
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1 button
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G cut selection
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2 button
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B cut selection
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3 button
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CNTX selection
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4 button
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COLC selection
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5 button
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TNTC selection
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6 button
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Test audio signal On/Off [ikHz]
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8 button
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Self diagnostic display On/Off
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9 button
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INITIALIZATION OF MEMORY DATA OF QA02
- After replacing QA02, the following initiation is required.
- Enter the 'Service Mode'.
- Press and Hold 'Recall' button on the remote, and then press 'Channel Up button on the 'TV'.
- Check the picture carefully. If necessary adjust any adjustment item/s. Perform 'Programming Channel Memory" on the owners' manual.
- NEVER attempt to initialize the data, unless QA02 has been replaced.
TEST SIGNAL SELECTION
- Every pressing of TV/Video button on the remote control in Service Mode changes the built-in test patterns.
- Press [8] button while any built-in test pattern to on the screen to output the 1kHz sound. Press the button again to cut off the sound. If the video cable is connected to the Video-1 input jack, the test pattern signals are not displayed.
Test Patterns order: NORMAL PICTURE > RED RASTER > GREEN RASTER > BLUE RASTER > ALL BLACK > ALL WHITE > WHITE & BLACK > BLACK CROSS BAR > WHITE CROSSBAR > BLACK CROSS HATCH > WHITE CROSS HATCH > BLACK CROSS DOT > WHITE CROSS DOT > <