Panasonic Quasar Omnivision PV-M1326 Service Manual page 39

7. V. HEIGHT/ H. POSITION ADJUSTMENT
Purpose :
To set the standard vertical and horizontal picture size.
Symptom of Misadjustment :
The picture size is on the vertical and horizontal axis is
abnormal.
TP ADJ.
R452 (V. HEIGHT)
R532 (H. POSITION)
TAPE M.EQ.
NTSC VIDEO PATTERN
GENERATOR
Note :
R452, R532 : TV Main C.B.A.
Model : A,B,C,D,E,F,G
1. Adjust R452 (V. HEIGHT) so that the top 3rd line is just
in view as shown in Fig. E11-1.
2. Confirm that 10th dotted line is in view and 11th line is
out of view.
If not, readjust R452 (V. HEIGHT) so that the top 3rd
line is within ±2mm from the top edge of the screen and
confirm that 9th line is in view and 11th line is out of
view.
3. Adjust R532 (H. POSITION) so that length A is equal to
length B as shown in Fig. E11-1.
3rd line
30
A
30
30
10th dotted line
11th line
Fig. E11-1
MODE INPUT
STOP (VIDEO IN)
MONOSCOPE
PATTERN
SIGNAL
SPEC.
Refer to
Fig. E11-1 or
Fig. E11-2
Top edge of
the screen
30
B
30
9th line
Bottom edge
of the screen
2-36
Model : H,I,J,K,L
1. Adjust the R452 (V. HEIGHT) so that the top 4th line is
just in view.
2. Comfirm that the bottom 3rd line is in view and the
bottom 4th line is out of view (Refer to Fig. E11-2).
If not, readjust R452 (V. HEIGHT) so that 11th line is
just in view.
3. Adjust R532 (H. POSITION) so that length A is equal to
length B as shown in Fig. E11-2.
Top edge of the screen
30
A
30
30
11th line
Bottom edge of the screen
Fig. E11-2
4th line
Top
30
B
30
3rd line
4th line
Bottom