JVC AV29A10EUS Service Manual page 31

Measuring
Item
instrument
Adjustment Signal
of V-S.CR & generator
V.LINE
Remote
control unit
AUDIO CIRCUIT ADJUSTMENT
Do not adjust 3. AUDIO adjustment of the SERVICE MENU as it requires no adjustment.
If values had changed by some reason, set the initial setting values in the table given before page.
Test point Adjustment part
12.V-S.CR
13.V.LIN.
TOP
CENTER
BOTTOM
No. 51818
Description
#
When the vertical linearity has been deteriorated remarkably,
perform the following steps.
45. Receive a crosshatch signal.
46. Select 13. V.LIN with the FUNCTION UP / DOWN key.
47. Set the initial setting value of 13. V.LIN with the FUNCTION
LEFT/RIGHT key.
48. Select 12. V-S.CR. with the FUNCTION UP / DOWN key.
49. Set the initial setting value of 12. V-S.CR. with the FUNCTION
LEFT/RIGHT key.
50. Adjust 13. V.LIN and 12. V-S.CR. to the spaces of each lines at
TOP, CENTER, and BOTTOM become uniform.
At first the adjustment in 100Hz REGULAR mode should be done,
then the data for the other aspect mode is corrected in the
respective value at the same time. And confirm the deflection
adjustment initial setting value in 120Hz (NTSC EXT mode)
REGULAR mode. If the adjustment in 100Hz each aspect mode
has been done and stored, the data for the same aspect modes in
120Hz is corrected in the respective value. Only the data for the
other aspect mode in 120Hz is corrected for itself.
AV29A10EUS
31