JVC InteriArt AV-2986ME Service Manual page 21

Measuring
Item
instrument
V. POSITION Signal
generator
Remote
control unit
V. SIZE Signal
generator
Remote
control unit
Screen
size 92%
H. POSITION Signal
generator
Remote
control unit
C
Test point Adjustment part
[4. DEF]
1. V-SHIFT
A
B
[4. DEF]
3. V-SIZE
Picture
size 100%
[4. DEF]
4. H-CENT
D
Description
PAL V. POSITION
(1) Receive a circle pattern signal of vertical frequency
50Hz (PAL).
(2) Select 4. DEF from the SERVICE MODE.
(3) Select <1. V-SHIFT>.
(4) Set the initial setting value of <1. V-SHIFT>.
(5) Adjust <1. V-SHIFT> to make "A = B".
(6) Press the [OK] key to memorize the set values.
NTSC V. POSITION
(1) Receive a circle pattern signal of vertical frequency
60Hz (NTSC).
(2) Follow the same step 2 to 6 as in PAL V. POSITION.
PAL V. SIZE
(1) Receive a PAL crosshatch signal.
(2) Select 4. DEF from the SERVICE MODE.
(3) Select <3. V-SIZE>.
(4) Set the initial setting value of <3. V-SIZE>.
(5) Adjust <3. V-SIZE> to make the vertical screen size
to 92% of the picture size.
(6) Press the [OK] key to memorize the set values.
NTSC V. SIZE
(1) Receive a NTSC crosshatch signal.
(2) Follow the same step 2 to 6 as in PAL V. SIZE.
PAL H. POSITION
(1) Receive a PAL circle pattern signal.
(2) Select 4. DEF from the SERVICE MODE.
(3) Select <4. H-CENT>.
(4) Set the initial setting value of <4. H-CENT>.
(5) Adjust <4. H-CENT> to make "C = D".
(6) Press the [OK] key to memorize the set values.
NTSC H. POSITION
(1) Receive a NTSC circle pattern signal.
(2) Follow the same step 2 to 6 as in PAL H. POSITION.
(No.YA447)1-21