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20. Color reproductivity adjustment
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value .·
Adjusting method:
Order
2
3
4
5
Burst position
Page
6
6
F
F
F
Color bar chart standard picture frame
Video output terminal
V ectorscope
F
14 (CORE MAT R)
1
15(COREMATB)
'
1A (CORE B-Y HUE)
1B (CORE R-Y)
Each color luminance point should be
within each color reproduction frame.
Address
Data
00
01
03
00
3E
00
6B
F1
14
15
1A
1B
R-Y
Procedure
Releasing of protect.
Setting of weighting off mode.
Press the PAUSE button.
(Setting the
WB
3200K preset mode)
Press the PAUSE button.
(Setting the A WB all tracking mode.)
Change the data, and settle red and yellow color
luminance point in each color reproduction adjustment
frame.
Press the PAUSE button for each address.
Color reproduction
adjustment frame
1B
(R-Y HUE)
1A
(B-Y
HUE)
1B
(R-Y HUE)
Conditions
R-Y
14
CORE MATR
1A
(B-Y
HUE)
B-Y
15
CORE MAT B
Fig. 7-14.
Fig. 7-15.
Direction of the Movements of Adjustment
Addresses and Luminance Points
Processing after Adjustments:
Order
Page
Address
Data
Conditions
Procedure
F
6B
00
Press the PAUSE button.
(Releasing the A WB all tracking mode)
3
F
3E
12
Press the PAUSE button.
(Releasing the WB 3200K preset mode)
2
6
03
10
Set the normal mode (weighting on mode).
-192-
7-3. ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENTS
7-3-1.
Horizontal Slant Adjustment
Mode
Signal
Playback
Alignment tape:
For checking operations
· · (WR5-5CSP)
Monoscopesection
Specified Value
±
1.5 °
Adjusting method:
Order
Procedure
2
3
4
Adjust RV504 (BRIGHT) so that the CRT can
be
seen easily and clearly.
Loosen the DY (deflection yoke) tightening nut.
Rotate DY, and adjust the image so that it is
horizontal.
Tighten the DY tightening nut.
(Do not tighten it too tightly.)
Hodmotell;oe
t :t
±15"
Specified value: The image should be within ±
1.5
o
of
the horizontal line.
Fig. 7-16.
Aberration adjustment
Focus adjustment
Ceoteriog edjc:::.
Fig. 7-17.
7-3-2.
Centering Adjustment
Mode
Playback
Alignment tape:
Signal
For checking operations
(WR5-5CSP)
Monoscopesection
Specified Value
±4%
Adjusting method:
Order
,-------------P=-ro_c_e_d_u_r_e------------~
Use the centering adjustment ring and adjust so
that the left, right, top, and bottom sides of the
display are uniform.
Note: As
the centering position
changes due
to
earth
magnetism, rotate it 360
o
in the horizontal direction
and adjust with the center section of the
modifyin~
position.
±4%
r-------------.,
I
I
I
I
I
I
Jj_
:
T~-
---------
=-:t
~~
Adjustment value:
±
4%
±4%
Fig. 7-18.
7-3-3.
Focus Adjustment
Mode
Playback
Alignment tape:
Signal
For checking operations
(WR5-5CSP)
Monoscope section
Adjusting method:
Order
,-------------~P~r-o_c_e~d-u_r_e
____________ _,
Adjust the focus ring to obtain the optimum focus.
-193-
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