JVC AV-29BF11ENS Service Manual page 17

Measuring
Item
instruments
VERTICAL Signal
POSITION generator
OFFSET
adjustment Remote
(60Hz) control unit
HORIZONTAL Signal
generator
SIZE
OFFSET
Remote
adjustment
control unit
(60Hz)
Picture size 100%
Screen size
Very close
HORIZONTAL Signal
generator
POSITION
OFFSET
Remote
adjustment
control unit
(60Hz)
E
Test point Adjustment part
VPOF
C
D
HSOF
Very close
HPOF
F
No. 52084
Description
1. Receive a NTSC-M circle pattern of vertical frequency 60Hz.
2. Enter SERVICE MENU.
3. Select VPOF (Vertical position) with the FUNCTION ( / )
key.
4. Adjust VPOF with the FUNCTION (
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.
1. Receive a NTSC-M cross-hatch pattern of vertical frequency
60Hz.
2. Enter SERVICE MENU.
3. Select HSOF (Horizontal size) with the FUNCTION ( / )
key.
4. Adjust HSOF with the FUNCTION (
vertical black lines on both the left and right part of the
pattern become very close to the left and right vertical sides
of picture size and nearly about to disappear.
5. Check and readjust a HSOF item if the adjustment becomes
improper after some other geometric adjustments are done.
1. Receive a NTSC-M circle pattern signal of vertical frequency
60Hz.
2. Enter SERVICE MENU.
3. Select HPOF (Horizontal position) with the FUNCTION ( / )
key.
4. Adjust HPOF with the FUNCTION ( / ) key until the circle
pattern is horizontally centered.(E=F)
6. Check and readjust a horizontal position item if the adjustment
becomes improper after some other geometric adjustments
are done.
AV-29BF11ENS
AV-29BF11EPS
AV-29BF11EES
/ ) key until the
/ ) key until the
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