Sony TRINITRON KV-AR14M80, Руководство по обслуживанию

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KV-AR14M80
RM-W101
3-3. PICTURE QUALITY ADJUSTMENTS
PMX/CONTRAST ADJUSTMENT
1. Select Video Mode.
2. Input PAL CB to TV set.
3. Set PICT 03 "PWL" to 00h and WHBL 21 "BLBG" to 01h.
4. Set the following condition:
PICTURE 100%, COLOR 0%, BRIGHTNESS 50%.
5. Connect an oscilloscope to pin
4
(R output) of CN004.
6. Set to Service Mode "PWL" to 00h, "BLBG" to 01h.
7. Select SADJ00 "PMX" with
1
and
4
of the
commander then adjust VR within spec with
3
and
6
.
8. Then press
[MUTING] t
- to write the data
9. Set "PWL" and "BLBG" back to initial data repectively.
(PWL: 01h and BLGG: 00h)
SUB COLOR ADJUSTMENT
1. Select Video and set Picture mode.
2. Input PAL 100% CB to TV set.
3. Set PICT 06 "WTS" to 00h.
4. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%.
5. Connect an oscilloscope to pin
2
(B output) of CN004.
6. Select to Service Mode and adjust SADJ04 "SCOL"
with
1
and
4
of commander then adjust to
VB2 = VB3 = VB4 with
3
and
6
.
7. Then press [MUTING] t
-
to write the data.
8. Set "WTS" back to original data.
SUB HUE ADJUSTMENT
1. Select Video.
2. Input a NTSC 3.58 Color Bar to TV set.
3. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%
4. Connect an oscilloscope to pin
2
(B output) of CN004.
5. Set to Service and adjust SADJ01 "SHUE" with
1
and
4
of commander then adjust to VB1 = VB2 =
VB3 = VB4 with
3
and
6
.
6. Then press [MUTING] t
-
to write the data.
The highest level of VB1, VB2, VB3, VB4 must be
aligned at the same time.
The ideal difference between VB2 and VB3 is within
±
110mV.
For single system with NTSC 4.43 select TV channel
with NTSC 4.43 and repeat 4
t 6.
3-4. DEFLECTION ADJUSTMENT
H-TRAPEZOID ADJUSTMENT
1. Receive cross hatch/dotsignal.
2. Adjust on to make H-Trapezoid distortion best.
NORMAL MODE (50Hz)
1. Set to Service Mode.
2. Input SPCB Signal (Select Video Mode for USA).
3. Using the
1
and
4
button select GEO (Service
Mode).
4. Rasie/lower data using the
3
and
6
buttons adjust
the following items:-
GEOM : 000 HPOS Horizontal Shift (HS)
001 HPAR Horizontal Parallelogram
002 HBOW Horizontal Bow
003 VLIN Vertical Linearity
004 VSCR Vertical Scroll
005 HSIZ EW Width (EW)
006 EWPW EW Parabola/Width (PW)
007 UCOP EW Upper Corner Parabola
008 LCOP EW Lower Corner Parabola
009 EWTZ EW Trapezium
010 VSLP Vertical Slope (VS)
011 VSIZ Vertical Amplitude
012 SCOR S-Correction (SC)
013 VPOS Vertical Shift (VSH)
014 HBL RGB Blanking Mode
015 WBF Timing of Wide Blanking (WBF)
016 WBR Timing of Wide Blanking (WBR)
017 SBL Service Blanking
018 COPY Copy the GEO data to all
50/60Hz NVM area
5. Write into memory by pressing
[MUTING]
then
-
on
the remote commander.
VB2 = VB3 = VB4
(Difference is within 70mV)
VB1
VB2 VB3 VB4
VR
Black
1.46
±
0.03 Vp-p = without VM models
1.65
±
0.03 Vp-p = with VM models
VB1
VB2
VB3 VB4