JVC TM-H150CG/E Service Manual page 36

Measuring
Item
instrument
4:3 Signal
V. SIZE generator
Screen size
95%
16:9 Signal
V. SIZE generator
16:9 Signal
SIDE generator
PINCUSHION
1-36 (No.YA068)
Test points Adjustment part
[DEFLECTION
BLOCK]
D04 : V.SIZE
Picture size
100%
[DEFLECTION
BLOCK]
DB04 : V. SIZE
171mm 3mm
[DEFLECTION
BLOCK]
DB07 :
SIDEPIN PARABOLA
DB08 :
SIDEPIN CORNER
Adjustment procedure
(1) Input the PAL crosshatch signal.
(2) Adjust < D04 >(V. SIZE) to become the vertical scan
size to 95%.
(1) Input the PAL circle pattern signal.
(2) Select the aspect ratio to the 16:9 mode.
(3) Adjust < DB04 >(V. SIZE) to the vertical size become
the value given below.
Vertical size
(1) Input the PAL crosshatch signal
(2) Select the aspect ratio to the 16:9 mode.
(3) Confirm the side pincushion of the four corners in the
screen.
(4) If not optimum, adjust < DB07 >(SIDEPIN
PARABOLA) and < DB08 >(SIDEPIN CORNER) to
become correctly.
171mm 3mm