JVC InteriArt AV-2186ME Service Manual page 25

Measuring
Item
instrument
V.LINEARITY Signal
generator
Remote
control unit
H. PARALLEL Signal
generator
Remote
control unit
H. BOW Signal
generator
Remote
control unit
Test point Adjustment part
[4. DEF]
12. V-S. CR
13. V-LIN
Top
Centre
Bottom
[4.DEF]
10. ANGLE
Parallel
[4.DEF]
11. BOW
Straight
Description
PAL V. LINEARITY
(1) Receive a PAL crosshatch signal.
(2) Select 4. DEF from the SERVICE MODE.
(3) Select <12. V-S.CR>.
(4) Set the initial setting value of <12. V-S. CR>.
(5) Select <13. V-LIN>.
(6) Set the initial setting value of <13. V-LIN>.
(7) Adjust <12. V-S. CR> and <13. V-LIN> so that the
spaces of each line on TOP, CENTRE and
BOTTOM become uniform.
(8) Press the [OK] key to memorize the set values.
NTSC V. LINEARITY
(1) Receive a NTSC crosshatch signal.
(2) Follow the same step 2 to 8 as in PAL V-S. CR.
PAL H. PARALLEL
(1) Receive a PAL crosshatch signal.
(2) Select 4. DEF from the SERVICE MODE.
(3) Select <10. ANGLE>.
(4) Set the initial setting value of <10. ANGLE>.
(5) Adjust <10. ANGLE> to optimize the trapezium
distortion at the centre of the screen.
(6) Press the [OK] key to memorize the set values.
NTSC H. PARALLEL
(1) Receive a NTSC crosshatch signal.
(2) Follow the same step 2 to 6 as in PAL H.
PARALLEL.
PAL H. BOW
(1) Receive a PAL crosshatch signal.
(2) Select 4. DEF from the SERVICE MODE.
(3) Select <11. BOW>.
(4) Set the initial setting value of <11. BOW>.
(5) Adjust <11. BOW> to optimize the horizontal arc
distortion.
(6) Press the [OK] key to memorize the set values.
NTSC H. BOW
(1) Receive a NTSC crosshatch signal.
(2) Follow the same step 2 to 6 as in PAL H. BOW.
(No.YA442)1-25