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signals (strength: 60dB)
2) Connect the negative end of the digital display voltmeter to earth and the positive to TP-A
of AGC input.
3) Press factory handset button to enter the adjustment status. Press button 6 to adjust
AGC-TAK, which is usually set to 0B and the measured voltage value is usually
3.85~4.25V.
5. White balance adjustment
1) Close the color intensifying function.
2) Enter the factory picture adjustment status and adjust R, G, and B.
3) Coordinate of reference white color: (X=0.281, Y=0.311)
6. Adjustment of line and frame size
1) Switch on the power and connect the signals to the modulator to receive PAL/NTSC
system circular signal.
2) Press factory handset button to enter the adjustment status. Enter GEOMETRY. First
adjust PHS/NHS until the horizontal center is at the center of the screen. Then adjust
PEW/NEW until the horizontal size is 90-92%. Adjust PSL/NSL, PVS/NVS, PVA/NVA
after PSC/NSC until the vertical size is 90-92%. Try to make the electronic circle as
round as possible and the vertical center in the center of the screen.
7. Adjustment of pincushion distortion
1) Receive grid signal.
2) Press factory handset button to enter the adjustment status. Enter GEOMETRY. First
adjust PSC/NSC until the geometrical distortion in the east-west direction is minimum.
Adjust PEC/NEC until the geometrical distortion in the four corners is minimum. Adjust
PET/NET until the upper and bottom keystone distortion is minimum.
8. Adjustment of character positions
Adjust ROWCON and CLMCON for the vertical and horizontal positions of the screen menu.
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