JVC AV-29WX14/G Service Manual page 28

COMPRESS : ON (16:9)
Measuring
Item
instrument
V. HEIGHT Signal
generator
adjustment
Remote
control unit
Screen
size
Signal
V. SLOPE
adjustment generator
Remote
control unit
1-28 (No. YA104)
Test point Adjustment part
[4.DEF]
14. V. ZOOM
3. V-SIZE
Screen size
Vertical
amplitude
[4.DEF]
2. V-SLOPE
A
Blanking
line
B
Description
- PAL V. HEIGHT -
(1) Receive a PAL crosshatch signal of vertical frequency
50Hz.
(2) Press the [MENU] key and select PICTURE.
(3) Select PICTURE FEATURES.
(4) Select COMPRESS (16 : 9) and set COMPRESS to ON.
(5) Select 4. DEF from the SERVICE MENU.
(6) Set the initial setting value of 14. V. ZOOM.
(7) Select 3. V-SIZE.
(8) Set the initial setting value of 3. V-SIZE.
(9) Adjust 3. V-SIZE to set the vertical amplitude of the image
to 305mm.
- NTSC V. HEIGHT -
(1) Receive a NTSC crosshatch signal of vertical frequency
60Hz.
(2) Make similar adjustment of NTSC V. HEIGHT in the same
way as for "PAL V. HEIGHT".
- PAL V. SLOPE -
(1) Receive a PAL circle pattern signal of vertical frequency
50Hz.
(2) Select 4. DEF from the SERVICE MENU.
(3) Select 2. V-SLOPE.
(4) Set the initial setting value of 2. V-SLOPE.
(5) Adjust 2. V-SLOPE to make "A = B".
(6) Press the [DISPLAY] key to return to SERVICE MENU
screen.
- NTSC V. SLOPE -
(1) Receive a NTSC circle pattern signal of vertical frequency
60Hz.
(2) Make similar adjustment of NTSC V. SLOPE in the same
way as for "PAL V. SLOPE".