JVC AV-29V514 Service Manual page 24

Measuring
Item
instrument
SIDE PIN Signal
adjustment generator
Remote
control unit
TRAPEZIUM Signal
adjustment generator
Remote
control unit
V.LINEARITY Signal
adjustment generator
Remote
control unit
1-24 (No.YA139)
Test point Adjustment part
[4. DEF]
7. EW-PIN
Straight
[4.DEF]
6. TRAPEZ
Parallel
[4. DEF]
12. V-S. CR
13. V-LIN
TOP
CENTRE
BOTTOM
Description
- 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".
- PAL V. LINEARITY -
(1) Receive a PAL crosshatch signal.
(2) Select 12. V-S.CR.
(3) Set the initial setting value of 12. V-S. CR.
(4) Select 13. V-LIN.
(5) Set the initial setting value of 13. V-LIN.
(6) Adjust 12. V-S. CR and 13. V-LIN so that the spaces
of each line on TOP, CENTRE and BOTTOM
become uniform.
- NTSC V. LINEARITY -
(1) Receive a NTSC crosshatch signal.
(2) Make similar adjustment of NTSC V-S. CR in the
same way as for "PAL V-S. CR".