Sub Bright Adjustment; Geometry Adjustment; H-Trapezoid Adjustment; Normal Mode 50Hz/60Hz - Sony TRINITRON KV-SZ29M80 Service Manual

3-3-4. SUB BRIGHT ADJUSTMENT

1. Set TV to RF mode.
2. Input PAL monoscope to RF mode (OTHER model) and
NTSC monoscope (NTSC model).
3. Set Brightness to 50% and Picture to "MINIMUM" in
"CUSTOM" mode.
4. Select WHBL 010 "SBRT" with 1 and 4 button and
adjust its data using 3 and 6 button so that the Cut
Off level and slightly glimmer is as the specification
below:-
TV size Cut Off
25" 10 IRE
29" 10 IRE
34" 10 IRE
28" 10 IRE
32" 10 IRE
5. Write into the memory by pressing [MUTING] t -.
6. Copy the adjusted data WHBL 010 "SBRT" to Video
mode.
7. Once adjustment is completed in RF and Video mode,
carry out adjustment in DVD mode. Repeat step 2 to 3.
Select WHBL 010 "SBRT" and adjust its data as the
specification below:-
TV size Cut Off
25" 10 IRE
29" 10 IRE
34" 10 IRE
28" 10 IRE
32" 10 IRE

3-4. GEOMETRY ADJUSTMENT

3-4-1. H-TRAPEZOID ADJUSTMENT

1. Receive cross hatch/dot signal.
2. Adjust RV1800 on C Board to make H-Trapezoid
distortion best/to obtain the center illustration shown in
Table 1.
3-4-2. 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. Select Category items listed in Table 1.
4. Raise and Lower the data value using 3 and 6 button
to obtain the center illustration.
5. Press [MUTING] t - to save the data into the memory.
6. For Korea models, copy adjusted 60Hz to 50Hz. Add 6
steps to 50Hz "HPOS" and 3 steps to 50Hz "HSIZ" and
save the data.
3-4-3. WIDE MODE 50Hz / 60Hz
1. Input PAL Special Color Bar (SPCB) (OTHER model) or
2. Set Wide Mode to "ON".
3. Copy NORMAL MODE 50Hz/60Hz adjusted data for the
4. Select Category items listed in Table 1 except GEOM:
Slightly Glimmer
5. Press [MUTING] t - to save the data into the memory.
20 IRE + 2 steps
6. For Korea models, copy adjusted 60Hz to 50Hz. Add 6
20 IRE + 2 steps
20 IRE + 2 steps
20 IRE
Category
20 IRE
GEOM 000
(HPOS)
GEOM 001
(HPAR)
GEOM 002
(HBOW)
GEOM 003
Slightly Glimmer
(VLIN)
20 IRE + 2 steps
20 IRE
GEOM 005
(HSIZ)
20 IRE + 2 steps
20 IRE
20 IRE
GEOM 006
(EWPW)
GEOM 007
(UCOP)
GEOM 008
(LCOP)
GEOM 009
(EWTZ)
GEOM 011
(VSIZ)
GEOM 012
(SCOR)
GEOM 013
(VPOS)
– 47 –
(V Compression Adjustment)
Monoscope NTSC (NTSC model) signal using a pattern
generator.
following items:-
GEOM: 011 VSIZ, 010 VSLP, 012 SCOR and 003 VLIN
003 VLIN, 010 VSLP, 011 VSIZ, and 012 SCOR and
adjust the data to obtain the center illustration.
steps to 50Hz "HPOS" and save the data.
Function
H Position
H Parallelogram
H Bow
Linearity
EW Width
EW Parabola/Width
EW Upper Corner
Parabola
EW Lower Corner
Parabola
EW Trapezoid
V-Amplitude
S-Correction
V-Shift
Table 1
KV-SZ29M80/M91/M91K
Illustration
Note: Adjust HSIZ
16.6 + -(SPCB) _ 50Hz
14.8 + -(PAL Monoscope) _ 50Hz
15.3 + -(NTSC Monoscope) _ 60Hz
Note: Adjust VSIZ
12.6 + -(SPCB) _ 50Hz
11.3 + -(PAL Monoscope) _ 50Hz
11.7 + -(NTSC Monoscope) _ 60Hz
RM-GA002