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2. H-BLK Adjustment
1. Input a 525 monoscope signal.
2.
Set:
CONT:-+ + 80%
BRT cw eseese 50%
3. Put the unit into service mode.
4. Observe the anode of D516 or TP300 with the oscilloscope
and adjust} H-BLK /to obtain the waveform in Fig. 2.
9540.1
uS
Fig. 2
3. PICTURE PHASE Adjustment
1. Input a 525 monoscope signal.
2. Put the unit into under scan mode.
3. Set:
CONT «+e «++ Min
BRT e+: +++ ++» Max.
4.
Put the unit into service mode.
5. Use]U/S H SIZE} to adjust the size of the monoscope white
frame to be about 1 cm to the inside of the limits of the
effective screen.
6. Turn RVSO1 (H-CENT) and adjust so that B=B'.
7. Adjust}60 VIDEO PHASE}so that the signal region comes to
the center (A=A') of the deflection region. (Fig. 3)
Deflection region
Signal region
Effective screen
A=A'
B=B'
Fig. 3
8.
Input a 625 monoscope signal.
9. Adjust}S50 VIDEO PHASE }in the same manner.
4. V-BLK Adjustment
1. Input a 525 monoscope signal.
2. Put the unit into under scan mode.
3.
Set:
CONT:-:- ++ Min
BRT - os eee eee Max
4. Put the unit into service mode.
5. Adjust
so that before 0.5H of the white frame
on the top of the monoscope is barely unblocked.
6. End under scan mode and put the unit into Normal 16:9
mode.
7. Input a 625 monoscope signal.
8. Adjust]V BLK (50)]in the same manner as in 5 above.
CONT::-++: 80%
BRT ess eevee 50%
3. Put the unit into service mode.
4. Roughly adjust 4 : 3 NOR
|V-SIZE 60] so that the size
becomes to 12 frames.
Adjust the vertical linearity with
Adjust the vertical centering with
. (Refer to
Note 1.)
Adjust 4: 3 NOR
so that the size becomes to the
standard value.
5. Input a 625 monoscope signal.
6. Roughly adjust 4 : 3 NOR
|V-SIZE 50] so that the size
becomes to 11 frames.
Adjust the vertical centering with |V-CENT 40] . (Refer to
Note 1.)
Adjust 4 : 3 NOR|V-SIZE 50]so that the size becomes to the
standard value.
Note 1:
Reconfirmation is necessary for V. CENT adjustment after V.
LIN adjusted.
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