AV-20N3PX
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.
l Do not change the initial setting values of the setting (adjustment) items not listed herein.
Measuring
Item Test point Adjustment partDescription
instrument
Adjustment l Signal56. V POS. 60(60Hz)
ofgenerator57. V SIZE601. Receive a cross-hatch signal. (NTSC or PAL-M)
V. HEIGHT58. V S CR602. Select the sub menu screen PICTURE from the SERVICE
V. POSITION l Remote59. V. LIN. 60MENU.
V. LIN.control3. Select 56. V POS. 60 with the MENU 1/4 key, and confirm that
V. S CRunitthe 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.
50. V POS. 50(50Hz)
51. V SIZE501. Receive a cross-hatch signal. (PAL-N)
52. V S CR502. In the sub menu screen PICTURE, select 50. V POS. 50, 51. V
53. V. LIN. 50SIZE50, 52. V S CR50, and 53. V. LIN. 50 with the MENU 1/4
key, and confirm their initial setting values.Screen size
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.
ScreenPicture5. Adjust 50. V POS. 50 so that the vertical center line comes
sizesize
92%close to the CRT vertical center as much as possible, with the100%
MENU 2/3 key.
l Readjust V SIZE, V. LIN, V S CR if necessary.
Picture size 100%
Adjustment l Signal54. H POS.60(60Hz)
ofgenerator1. Receive a cross-hatch signal. (NTSC or PAL-M)
H. POSITION2. Select the sub menu screen PICTURE from the SERVICE
l RemoteMENU.
control3. Select 54. H POS.60 with the MENU 1/4 key.
unit4. 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.
48. H POS.50(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.
No. 5604917 |
ACEC
