JVC AV-14F1P(PH), Service Manual

Page: 17 / 27

AV-14F1P
No. 56084 17
Description
(60Hz)
1. Receive a cross-hatch signal. (NTSC or PAL-M)
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 56. V POS. 60 with the MENU
1
/
4
key, and confirm that
the setting value is 0.
NOTE: The value of 56. V POS. 60 should be fixed to 0.
4. Confirm the initial setting value of 57. V SIZE60, 58. V S CR60,
and 59. V. LIN. 60.
5. Adjust 57. V SIZE60 and make the vertical screen size 92% of
the picture size, with the MENU
2
/
3
key.
6. Adjust 59. V. LIN. 60 and 58. V S CR60 to get the best vertical
linearity, with the MENU
2
/
3
key.
(50Hz)
1. Receive a cross-hatch signal. (PAL-N)
2. In the sub menu screen PICTURE, select 50. V POS. 50, 51. V
SIZE50, 52. V S CR50, and 53. V. LIN. 50 with the MENU
1
/
4
key, and confirm their initial setting values.
3. Adjust 51. V SIZE 50 and make the vertical screen size 92% of
the picture size, with the MENU
2
/
3
key.
4. Adjust 53. V. LIN. 50 and 52.V S CR50 to get the best vertical
linearity, with the MENU
2
/
3
key.
5. Adjust 50. V POS. 50 so that the vertical center line comes
close to the CRT vertical center as much as possible, with the
MENU
2
/
3
key.
●
Readjust V SIZE, V. LIN, V S CR if necessary.
(60Hz)
1. Receive a cross-hatch signal. (NTSC or PAL-M)
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 54. H POS.60 with the MENU
1
/
4
key.
4. Confirm the initial setting value of 54. H POS.60.
5. Adjust 54. H POS.60 so that the screen will be horizontally cen-
tered, with the MENU
2
/
3
key.
(50Hz)
1. Receive a cross-hatch signal. (PAL-N)
2. In the sub menu screen PICTURE, select 48. H POS.50 with
the MENU
1
/
4
key.
3. Confirm the initial setting value of 48. H POS.50.
4. Adjust 48. H POS.50 so that the screen will be horizontally cen-
tered, with the MENU
2
/
3
key.
Measuring
Item Test point Adjustment part
instrument
Adjustment
●
Signal 56. V POS. 60
of generator 57. V SIZE60
V. HEIGHT 58. V S CR60
V. POSITION
●
Remote 59. V. LIN. 60
V. LIN. control
V. S CR unit
50. V POS. 50
51. V SIZE50
52. V S CR50
53. V. LIN. 50
Adjustment
●
Signal 54. H POS.60
of generator
H. POSITION
●
Remote
control
unit
48. H POS.50
Screen size
Screen
size
92%
Picture size 100%
Picture
size
100%
DEFLECTION CIRCUIT ADJUSTMENT
The setting (adjustment) using the remote control unit is made on the basis of the initial setting values shown on page 14.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
●
Do not change the initial setting values of the setting (adjustment) items not listed herein.