JVC AV-2100QE Service Manual page 22

Measuring
Item
instrument
H. BOW Signal
generator
Remote
control unit
H. PARALLEL Signal
generator
Remote
control unit
H. SIZE Signal
generator
Remote
control unit
1-22 (No.YA552)
Test point Adjustment part
[4.DEF]
5. HOR BOW
Straight
[4.DEF]
6. HOR PARA
Parallel
[4.DEF]
10. H-SIZE
Screen size 91%
Picture size 100%
Description
(1) Receive a crosshatch signal.
(2) Select 4. DEF from the SERVICE MENU.
(3) Select <5. HOR BOW>.
(4) Set the initial setting value of <5. HOR BOW>.
(5) Adjust <5. HOR BOW> to straighten the vertical arc
distortion.
(1) Receive a crosshatch signal.
(2) Select 4. DEF from the SERVICE MENU.
(3) Select <6. HOR PARA>.
(4) Set the initial setting value of <6. HOR PARA>.
(5) Adjust <6. HOR PARA> to straighten with parallel
the trapezium distortion at the centre of the screen.
PAL H. SIZE
(1) Receive a PAL crosshatch signal.
(2) Select 4. DEF from the SERVICE MODE.
(3) Select <10. H-SIZE>.
(4) Set the initial setting value of <10. H-SIZE>.
(5) Adjust <10. H-SIZE> to make the horizontal screen
size to 91% of the picture size.
(6) Press the [OK] key to memorize the set values.
NTSC H. SIZE
(1) Receive a NTSC crosshatch signal.
(2) Follow the same step 2 to 6 as in PAL H. SIZE.