JVC AV-21VT14/P Service Manual page 25

Measuring
Item
instrument
H. PARALLEL Signal
adjustment generator
Remote
control unit
H. BOW Signal
adjustment generator
Remote
control unit
Test point Adjustment part
[4.DEF]
10. ANGLE
Parallel
[4.DEF]
11. BOW
Straight
Description
- PAL H. PARALLEL -
(1) Receive a PAL crosshatch signal.
(2) Select 10. ANGLE.
(3) Set the initial setting value of 10. ANGLE.
(4) Adjust 10. ANGLE to optimize the trapezium
distortion at the centre of the screen.
- NTSC H. PARALLEL -
(1) Receive a NTSC crosshatch signal.
(2) Make similar adjustment of NTSC H. PARALLEL in
the same way as for "PAL H. PARALLEL".
- PAL H. BOW -
(1) Receive a PAL crosshatch signal.
(2) Select 11. BOW.
(3) Set the initial setting value of 11. BOW.
(4) Adjust 11. BOW to optimize the horizontal arc
distortion.
- NTSC H. BOW -
(1) Receive a NTSC crosshatch signal.
(2) Make similar adjustment of NTSC H. BOW in the
same way as for "PAL H. BOW".
(3) Press the [DISPLAY] key twice to return to the
normal screen.
(No.YA140)1-25