Memorex MT1191V, Service Manual

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HORIZONTAL PHASE ADJUSTMENT
1. Connect TV Test pattern Generator (NTSC signal 70dB u, Monoscope Pattern) to Antenna T erminal
(TE) through TV Channel Generator.
(NOTE: For steps 2, 3 and 4 below, refer to page 3 for Adjustment By Remote Control Method).
2.
Go to Adjustment Mode (2) by remote control.
3. Select H. PHASE from Adjustment Mode (2) menu screen.
4. Adjust H. PHASE level (by using + or - button on remote control) so that horizontal reading of test pattern
becomes the same value.
VERTICAL PHASE ADJUSTMENT
1. Connect TV Test pattern Generator (NTSC signal 70dB u, Monoscope Pattern) to Antenna Terminal
(TE) through TV Channel Generator.
(NOTE: For steps 2, 3 and 4 below, refer to page 3 for Adjustment By Remote Control Method).
2.
Go to Adjustment Mode (2) by remote control.
3. Select V. PHASE from Adjustment Mode (2) menu screen.
4. Adjust V. PHASE level (by using + or - button on remote control) so that vertical reading of test pattern
becomes the same value.
VERTICAL AMPLITUDE ADJUSTMENT
1. Connect TV Test pattern Generator (NTSC signal 70dB u, Monoscope Pattern) to Antenna Terminal
(TE) through TV Channel Generator.
(NOTE: For steps 2, 3 and 4 below, refer to page 3 for Adjustment By Remote Control Method).
2.
Go to Adjustment Mode (2) by remote control.
3. Select V. AMP from Adjustment Mode (2) menu screen.
4. Adjust V. AMP level (by using + or - button on remote control) so that picture fills the picture opening from top
to bottom and is proportionate to the width.
RF AGC ADJUSTMENT
1. Connect TV Channel Signal Generator to Antenna Terminal (TE).
2.
Connect positive lead of DC Digital Voltmeter to TP5 and negative lead of DC Digital Voltmeter to TP4.
3. Adjust level of TV Channel signal Generator so that the output level is 57dB u. (Monoscope Pattern)
(NOTE: For steps 4, 5 and 6 below, refer to page 3 for Adjustment By Remote Control Method).
4.
Go to Adjustment Mode (2) by remote control.
5. Select RF AGC from Adjustment Mode (2) menu screen.
6. Adjust RF AGC level (by using + or - button on remote control) so that the DC Digital Voltmeter reading is 6.0V
± 0.2V.
SUB BRIGHTNESS ADJUSTMENT
1.
Connect TV Test Pattern Generator (NTSC signal, Color Bar Signal, 70dB u) to EXT. Antenna Terminal through
TV Channel Signal Generator.
(NOTE: For steps 3, 4 and 5 below, refer to page 3 for Adjustment By Remote Control Method).
Go to Adjustment Mode (1) by remote control.
3. Set the COLOR and CONTRAST of the TV set to minimum and the SUB CONTRAST and SUB BRIGHT to
4.
Fig. 6
DIM LIGHT