Roadstar CTV-1015, Service Manual

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3. Deflection Adjustments
HRS(50) adjustment : Tune the TV set to a LION HEAD pattern signal with 50Hz of
vertical frequency.
HRS(60) adjustment : Tune the TV set to a LION HEAD pattern
Signal with 60Hz of vertical ferquency.
HEIGHT adjustment : Tune the TV set to a LION HEAD pattern
Signal and adjust the vertical amplitude to
4 bars both the Top and the bottom.
4. WHITE BALANCE Adjustments(manual)
Input PURE WHITE pattern into antenna terminal or into
Video input terminal.
Keep TV on for about 30 minutes prior to white balance adjustment.
Screen Voltage Adjustment (page 14)
Place the probe of CRT Analyzer at the center Position of picture screen.
Adjust CONTRAST & BRIGHTNESS until Y value of CRT analyzer
becomes 35FL above roughly.
Select 2.W.BAL and press Vol(+) button.
And then R-CUT 32 will be displayed.
1 button : R-CUT
5 button : G-CUT
9 button : R-DRV
0 button : G-DRV
-/-- button : B-DRV
Select R-DRV & G-DRV and adjust them to get the
color coordinates below in the high light state.
In this case, fix the reference color(B-DRV) as possible as.
5. Focus ADJUSTMENT
Input CROSS DOT pattern into antenna terminal on video input terminal.
Rotate the variable resistor of FOCUS terminal on the flyback
transformer until the horizontal and vertical line becomes slim.
Check the surrounding FOCUS in the lion head pattern.
X COORDINATE Y COORDINATE
0.261 0.268
FACTORY/SERVICE ADJUSTMENTS