Geometry Adjustment; General Setting; Pal 50Hz Normal Mode - Sony Trinitron KV-SW212M50 Service Manual

KV-SW212M50/M81/M83/M83/H/N60/P50
3-4.

GEOMETRY ADJUSTMENT

Geometry adjustment must be done for both color systems
PAL and NTSC.

3-4-1. GENERAL SETTING

a) Input Monoscope or Special Color Bar(SPCB) signal
using a pattern generator.
b) Set to Service Mode.
c) Select Category/Functionally Name (as in the service
list) using 1 and 4 button on the remote commander.
Eg. GEOM
d) Raise or Lower the data value using 3 and 6 button.
e) Press [MUTING] t - to save the data into memory.
Note 1: Geometry Adjustment must be performed for 4 different
modes: PAL 50Hz NORMAL MODE, PAL 50Hz WIDE
MODE, NTSC 60Hz NORMAL MODE, NTSC 60Hz
WIDE MODE.

3-4-2. PAL 50Hz NORMAL MODE

a) Input PAL signal 50Hz in the Service Mode.
b) Set Wide Mode to "OFF".
c) Perform the below adjustments using the "GENERAL
SETTING" sequence (Refer 3-4-1)
d) Once adjustment is done for PAL 50Hz NORMAL
MODE,set Wide mode to "ON", and copy all PAL 50Hz
NORMAL MODE adjusted data to PAL 50Hz WIDE
MODE except VSCR.
e) Now, perform adjustment for NTSC 60Hz NORMAL
MODE.
f) Set Wide mode to "OFF".
g) Perform adjustment items listed in the above table using
the "GENERAL SETTING sequence (refer 3-4-1).
h) Once adjustment is completed,set Wide mode to "ON"
and copy all NTSC 60Hz NORMAL MODE adjusted data
to NTSC 60Hz WIDE MODE except VSCR.
i) Upon completing adjustment for all modes,reconfirm
VSIZ and VPOS.
RM-GA002
– 35 –
Item No. Function
GEOM 013 Vertical Shift
(VPOS)
GEOM 011 Vertical Amplitude
(VSIZ)
GEOM 000 Horizontal Shift
(HPOS)
GEOM 009 EW Trapezoid
(EWTZ)
GEOM 005 EW Width (EW)
(HSIZ)
GEOM 002 Horizontal Bow
(HBOW)
GEOM 006 EW Parabola/Width
(EWPW) (PW)
GEOM 007 EW Upper Corner
(UCOP) Parabola
GEOM 008 EW Lower Corner
(LCOP) Parabola
GEOM 001 Horizontal
(HPAR) Parallelogram
GEOM 012 S-Correction(SC)
(SCOR)
GEOM 003 Vertical Linearity
(VLIN)
GEOM 004 Vertical Scroll
(VSCR)
Illustration
Note: Adjust VSIZ to
12.4 ± (SPCB)
11.3 ± (PAL Monoscope)
11.5 ± (NTSC Monoscope)
Note: Adjust HSIZ to
16.4 ± (SPCB)
14.6 ± (PAL Monoscope)
15.3 ± (NTSC Monoscope)