JVC AV-29VA15 Service Manual page 25

Measuring
Item
instrument
H. WIDTH Signal
adjustment generator
Remote
control unit
SIDE PIN Signal
adjustment generator
Remote
control unit
TRAPEZIUM Signal
adjustment generator
Remote
control unit
Test point Adjustment part
[4.DEF]
5. H-SIZE
Screen size 91%
Picture size 100%
[4. DEF]
7. EW-PIN
Straight
[4.DEF]
6. TRAPEZ
Parallel
Description
- PAL H. WIDTH -
(1) Receive a PAL crosshatch signal.
(2) Select 5. H-SIZE.
(3) Set the initial setting value of 5. H-SIZE.
(4) Adjust 5. H-SIZE to make the horizontal screen size
to 91% of the picture size.
- NTSC H. WIDTH -
(1) Receive a NTSC crosshatch signal.
(2) Make similar adjustment of NTSC H. WIDTH in the
same way as for "PAL H. WIDTH".
- PAL SIDE PIN -
(1) Receive a PAL crosshatch signal.
(2) Select 7. EW-PIN.
(3) Set the initial setting value of 7. EW-PIN.
(4) Adjust 7. EW-PIN so that the first vertical lines at the
left and right edges on the screen are straight.
- NTSC SIDE PIN -
(1) Receive a NTSC crosshatch signal.
(2) Make similar adjustment of NTSC SIDE PIN in the
same way as for "PAL SIDE PIN".
- PAL TRAPEZIUM -
(1) Receive a PAL crosshatch signal.
(2) Select 6. TRAPEZ.
(3) Set the initial setting value of 6. TRAPEZ.
(4) Adjust 6. TRAPEZ so that the vertical lines at the left
and right edges on the screen are in parallel.
- NTSC TRAPEZIUM -
(1) Receive a NTSC crosshatch signal.
(2) Make similar adjustment of NTSC TRAPEZIUM in
the same way as for "PAL TRAPEZIUM".
(No.YA282)1-25