JVC AV-29BF11ENS Service Manual page 20

AV-29BF11ENS
AV-29BF11EPS
AV-29BF11EES
Measuring
Item
instrument
VERTICAL Signal
CORNER generator
CORRECTION
adjustment Remote
(50Hz) control unit
HORIZONTAL Signal
SIZE generator
adjustment
(50Hz) Remote
control unit
Picture size 100%
Very close
HORIZONTAL Signal
POSITION generator
adjustment
(50Hz) Remote
control unit
C
20
Test point Adjustment part
VCCO
HSIZ
Screen size
Very close
HPOS
D
1. Receive a PAL B/G cross-hatch pattern signal of vertical
frequency 50Hz.
2. Enter GEOMETRY MENU.
3. Select VCCO (Vertical corner correction) with the FUNCTION
( / ) key.
4. Adjust VCCO with the FUNCTION ( / ) key until the vertical
length of the upper and lower part squares of the cross-hatch
pattern become equal to each other.
5. Check and readjust VCCO item if the adjustment becomes
improper after some other geometric adjustments are done.
1. Receive a PAL B/G cross-hatch pattern signal of vertical
frequency 50Hz.
2. Enter GEOMETRY MENU.
3. Select HSIZ (Horizontal size) with the FUNCTION ( / ) key.
4. Adjust HSIZ with the FUNCTION ( / ) key until the vertical
black lines on both the left and right part of the cross-hatch
pattern become very close to the left and right horizontal sides
of picture tube and nearly about to disappear.
1. Receive a PAL B/G circle pattern signal of vertical frequency
50Hz.
2. Enter GEOMETRY MENU.
3. Select HPOS (Horizontal position) with the FUNCTION ( / )
key.
4. Adjust HPOS with the FUNCTION ( / ) key until the circle
pattern is horizontally centered.(C=D)
5. Check and readjust HPOS item if the adjustment becomes
improper after some other geometric adjustments are done.
No. 52084
Description