JVC AV-32230/AG Service Manual page 27

ADJUSTMENT OF DEFLECTION
Measuring
Item
instrument
Signal
V POSITION
and V SIZE generator
adjustment
Remote
control unit
Screen size
Screen
size 92%
Picture size 100%
H SIZE and
Signal
H POSITION generator
adjustment
Remote
control unit
Screen size 92%
Screen
size
Picture size 100%
Test point Adjustment part
No.71 V POSI
No.66 V SIZE
S1421 (V CENTER SW)
[MAIN PWB]
Picture
size 100%
No.73 H SIZE
No.72 H POSI
Picture
size 100%
No. 51802C
Description
Note:
Proceed to the following this adjustment after having completed the
adjustments of SUB BRIGHT and SUB CONTRAST.
1. Receive a crosshatch signal with circle pattern.
2. Select the No. 71 V POSI of the PICTURE MODE.
3. Confirm the value of No. 71 V POSI is "0".
4. Switch the S1421 (V CENTER SW) so that a crosshatch signal be-
come to the center of CRT.
5. Select the No.66 V SIZE of the PICTURE MODE to squeeze the
raster.
6. Adjust the No.66 V SIZE until the vertical screen size is 92%.
Note:
Proceed to the following this adjustment after having completed the
adjustments of FOCUS, SUB BRIGHT, SUB CONTRAST, V POSITION
and V SIZE.
1. Receive a crosshatch signal.
2. Select the No.73 H SIZE of the PICTURE MODE.
3. Set the initial setting value of the No.73 H SIZE with the LEFT /
RIGHT key of the remote control unit.
4. Adjust the No.73 H SIZE until the horizontal screen size is 92%.
5. Adjust the No.72 H POSI until the screen will be horizontally centered.
AV-32230
AV-32260
27