Sony TRINITRON KV-29FS150, Руководство по обслуживанию

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KV-29FS150
KV-29FS150 20
Geometry Adjustment
Geometry adjustment must be done for both color systems PAL and
NTSC.
H-Trapezoid Adjustment
1. Receive cross hatch/dot signal.
2. Adjust RV 1800 on CV Board to make H-Trapezoid distortion best/to
obtain the center illustration shown in TABLE 1.
Category Function Illustration
GEOM 000 H Position
(HPOS)
GEOM 001 H Parallelogram
(HPAR)
GEOM 002 H Bow
(HBOW)
GEOM 003 Linearity
(VLIN)
GEOM 005 EW Width
(HSIZ)
Note: Adjust HSIZ
16.6 + -(SPCB) _ 50Hz
14.8 + -(PAL Monoscope) _ 50Hz
15.3 + -(NTSC Monoscope) _ 60Hz
GEOM 006 EW Parabola/Width
(EWPW)
GEOM 007 EW Upper Corner
(UCOP) Parabola
GEOM 008 EW Lower Corner
(LCOP) Parabola
GEOM 009 EW Trapezoid
(EWTZ)
GEOM 011 V-Amplitude
(VSIZ)
Note: Adjust VSIZ
12.6 + -(SPCB) _ 50Hz
11.3 + -(PAL Monoscope) _ 50Hz
11.7 + -(NTSC Monoscope) _ 60Hz
GEOM 012 S-Correction
(SCOR)
GEOM 013 V-Shift
(VPOS)
TABLE 1
Normal Mode 50Hz/60Hz
1. Input PAL Special Color Bar (SPCB) or PAL Monoscope (OTHER
model) and Video mode or NTSC Monoscope (NTSC model) signal
using a pattern generator.
2. Set Wide Mode to “OFF”.
3. Use TABLE 1 to complete the adjustments by acesssing service
mode and then selecting the category item that needs adjusting by
pressing 1 or 4 .
4. Press
3 to increase the data value, or 6 to decrease the data
value.
5. Press
MUTING then 0 to write into memory.
Wide Mode
1. Input PAL Special Color Bar (SPCB) or PAL Monoscope (OTHER
model) and Video mode or NTSC Monoscope (NTSC model) signal
using a pattern generator.
2. Set Wide Mode to “ON”.
3. Copy NORMAL MODE 50Hz/60Hz adjusted data for the following
items:
GEOM: 011 VSIZ, 010 VSLP, 012 SCOR, and 003 VLIN
4. Use TABLE 1 to adjust the data by pressing 3 to increase the data
value, or 6 to decrease the data value until the screen displays the
center illustration for all items except the following:
GEOM: 003 VLIN, 010 VSLP, 011 VSIZ, and 012 SCOR
5. Press
MUTING then 0 to write into memory.