No. 52056
AV-25BT6ENS
AV-25BT6ENB
16
Item
Measuring
instruments
Test point
Ad justment part
Description
VERTICAL
POSITION
OFFSET
Ad justment
(60Hz)
Signal
generator
Remote
control unit
VPOF
1. Receive a NTSC-M circ le pattern of vertical frequency 60Hz.
2. Enter SERVICE MENU.
3. Select VPOF with the FUNCTION ( / ) key.
4. Adjust VPOF with the FUNCTION ( / ) key until the
picture is vertically centered.(
C
=
D
)
5. Check and readjust vertical position item if the adjustment
becomes improper after some other geometric adjustments
are done.
HORIZONTAL
POSITION
OFFSET
adjustment
(60Hz)
Signal
generator
Remote
control unit
HPOF
1. Receive a NTSC-M circ le pattern signal of vertical frequency
60Hz.
2. Enter SERVICE MENU.
3. Select HPOF with the FUNCTION ( / ) key.
4. Adjust HPOF with the FUNCTION ( / ) key until the circle
pattern is horizontally centered.(
E
=
F
)
5. Check and readjust a horizontal position item if the adjustment
becomes improper after some other geometric adjustments
are done.
HORIZONTAL
TRAPEZOID
OFFSET
adjustment
(60Hz)
Signal
generator
Remote
control unit
HT OF
1. Receive a NTSC-M cross-hatch pattern signal of vertic al
frequency 60Hz.
2. Enter SERVICE MENU.
3. Select HTOF with the FUNCTION ( / ) key.
4. Adjust HTOF with the FUNCTION ( / ) key until both
lengths of the upper side and lower side of the closs-hatch
pattern become equal.
5. Check and readjus t HTOF item if the adjus tment bec omes
improper after some other geometric adjustments are done.
C
D
E
F
Screen
Vertical
Center
P allalel
Содержание AV-25BT6ENB
Страница 42: ...No 52056 AV 25BT6ENS AV 25BT6ENB 30 Memo ...
Страница 43: ...No 52056 AV 25BT6ENS AV 25BT6ENB 31 Memo ...