Deflection Adjustment - JVC AV-14F33 Service Manual

DEFLECTION ADJUSTMENT

Measuring
Item
instrument
V. HEIGHT, Signal
generator
V. POSITION,
V. LIN.
V. S CR
adjustment
No. Setting item
56 V POS.60
57 V SIZE 60
58 V S CR60
59 V. LIN60
Screen
size
(92%)
Picture size (100%)
H. POSITION Signal
adjustment generator
No. Setting item
54 H POS.60
No. Setting item
48 H POS.50
Test point Adjustment item
No.56 V POS. 60
No.57 V SIZE 60
No.58 V S CR60
No.59 V. LIN. 60
Variable Initial setting
range value
000～007
000
000～127
028
000～127
046
000～31
004
No.50 V POS.50
No.51 V SIZE 50
No.52 V S CR50
No.53 V LIN.50
Scree size
Picture
size
(100%)
No.54 H POS.60
Variable Initial setting
range value
000～031
012
No.48 H POS.50
Variable Initial setting
range value
000～031
007
[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.
No. Setting item
50 V POS.50
51 V SIZE 50
52 V S CR50
53 V LIN.50
[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.52021
AV-14F13
AV-14F33
Description
Variable Initial setting
range value
000～007
000
000～127
024
000～127
018
000～31
004
21