JVC AV-29BF11ENS Service Manual page 21

Measuring
Item
instrument
HORIZONTAL Signal
PINCUSHION generator
adjustment
(50Hz) Remote
control unit
HORIZONTAL Signal
CORNER generator
CORRECTION
adjustment Remote
(50Hz) control unit
HORIZONTAL Signal
TRAPEZOID generator
adjustment
(50Hz) Remote
control unit
Test point Adjustment part
HPIN
HCCO
HTRP
A
B
No. 52084
Description
1. Receive a PAL B/G cross-hatch pattern signal of vertical
frequency 50Hz.
2. Enter GEOMETRY MENU.
3. Select HPIN (Horizontal pincushion) with the FUNCTION
( / ) key.
4. Adjust HPIN with the FUNCTION ( / ) key until the bending
of the vertical line of the cross-hatch pattern are corrected.
5. Check and readjust HPIN 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 HCCO (Horizontal corner correction) with the
FUNCTION ( / ) key.
4. Adjust HCCO with the FUNCTION ( / ) key until the bending
of the vertical line of the cross-hatch pattern are corrected.
5. Check and readjust HCCO 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 HTRP (Horizontal trapezoid) with the FUNCTION
( / ) key.
4. Adjust HTRP with the FUNCTION ( / ) key until both lengths
of the upper side and lower side of the cross-hatch pattern
become equal.(A=B)
AV-29BF11ENS
AV-29BF11EPS
AV-29BF11EES
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