JVC AV-T2122 Service Manual page 13

DEFLECTION ADJUSTMENT
The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
Measuring
Item
instrument
V. HEIGHT,
Signal
V. POSITION,
generator
V. LIN.
V. S CR
adjustment
Screen
size
(92%)
Picture size (100%)
H. POSITION
Signal
adjustment
generator
Test point Adjustment item
No.56 V POS. 60
No.57 V SIZE 60
No.58 V S CR60
No.59 V. LIN. 60
No.50 V POS.50
No.51 V SISE 50
No.52 V S CR50
No.53 V LIN.50
Scree size
Pictur
size
100%
No.54 H POS.60
No.48 H POS.50
[60Hz]
1. Receive a crosshatch signal.(NTSC or PAL-M)
2. Confirm that the value of PICTURE MODE " No.56 V POS.
60 " is 0.
3. Confirm the initial setting value of the " No.57 V SIZE 60 " ,
No.58 V S CR60 " and " No.59 V LIN. 60 " .
4. Adjust the vertical screen size to 92% with the PICTURE
MODE " No.57 V SIZE60 " .
5. Adjust the PICTURE MODE " No.59 L LIN. 60 " and " No.58
V S CR60 " to get the best vertical linearity.
NOTE :
The PICTURE MODE "No.56 V POS. 60" is fixed on value 0.
[50Hz]
1. Receive a crosshatch signal. (PAL-N)
2. Confirm the initial setting value of the "No.50 V POS.50",
"No.51 V SIZE 50" , "No.52 V S CR 50" and "No.53 V LIN.50".
3. Adjust the vertical screen size to 92% with the PICTURE
MODE "No.51 V SIZE50".
4. Adjust the PICTURE MODE "No.53 V LIN.50" and "No.52 V S
CR50" to get the best vertical linearity.
5. Adjust the PICTURE MODE "No.50 V POS.50" so that the
vertical center line comes close to the CRT vertical center as
much as possible.
" Readjust V SIZE, V LIN., V S CR if necessary.
[60Hz]
1. Receive a crosshatch signal. (NTSC or PAL-M)
2. Select the "No.54 H POS. 60" of the PICTURE mode in
SERVICE MENU.
3. Confirm the initial setting value of the "No.54 H POS. 60".
4. Adjust the "No.54 H POS. 60" until the screen will be
horizontally centered.
[50Hz]
1. Receive a crosshatch signal. (PAL-N)
2. Select the "No.48 H POS. 50" of the PICTURE mode in
SERVICE MENU.
3. Confirm the initial setting value of the "No.48 H POS. 50".
4. Adjust the "No.48 H POS. 50" until the screen will be
horizontally centered.
No.51866
AV-T2122
Description
19