JVC AV-29L6SU Service Manual page 23

Measuring
Item
instrument
BOW Signal
generator
Remote
control unit
V. S-SHAPE Signal
CORRECTION & generator
LINEARITY
Remote
control unit
Test point Adjustment part
[4. DEF]
12. BOW
Bring the vertical lines straight.
[4. DEF]
13. V-S. CR
14. V-LIN
TOP
CENTRE
BOTTOM
Description
(1) Receive the PAL cross hatch signal.
(2) Set the ZOOM mode to REGULAR.
(3) Select 4. DEF from the SERVICE MODE.
(4) Select < 12.BOW >.
(5) Adjust to bring the vertical lines straight.
(6) Press the [OK] key to memorize the set values.
• When the vertical linearity has been deteriorated
remarkably, perform the following steps.
(1) Receive the PAL cross hatch signal.
(2) Set the ZOOM mode to REGULAR.
(3) Select 4. DEF from the SERVICE MODE.
(4) Select < 14. V-LIN >.
(5) Set the initial setting value of < 14. V-LIN >.
(6) Select < 13. V-S.CR >.
(7) Set the initial setting value of < 13. V-S.CR >.
(8) Adjust < 14. V-LIN > and < 13. V-S.CR > so that the
spaces of each line on TOP, CENTRE and
BOTTOM become uniform.
(9) Press the [OK] key to memorize the set values.
(No.YA366)1-23