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15
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Reference factory adjustment
Items Names Settings Input signals Measuring points
Adjusting methods
Adjusting
standards
SCNT Sub-contrast Picture mode 1 Sub-bright signal TP46B 1) Adjust amplitude from the pedestal le
vel up to the 3.25±0.1V(p-p)
Audio system: I
(PAL-I signal) SIGNAL unit white peak.
BRTC Sub-bright Picture mode 1 Sub-bright Screen 1) Adjust the number of black collapsed lines of sub-br
ight 4±1.5 lines
1.6±0.05V(p-p)
center
WIDE mode signal adjustment
signals.
2) Adjust after adjusting
W/B, SCNT.
COLP Sub-color Picture mode 1 Sub-bright TP46B
1) Adjust the amplitude of the r
ainbow color bar.
center
signal
SIGNAL unit 2) Adjust the P-P value of the upper half.
PA L
(PAL)
COLS Sub-color Picture mode 1 SECAM TP46B
1)
2)
3)
Applied the Image MUTE.
Adjust the amplitude of the color bar.
Adjust the P-P value of the upper half.
2.10
±
0.05V(p-p)
center
color bar SIGNAL unit
SECAM
SRY SECAM
SECAM TP02 1) Adjust so that the le
vel of black and white signal par
t can
0
±
10
mV
R-Y Black level color bar SIGNAL unit be aligned with the le
vel of H.BLK.
SBY SECAM
SECAM TP01 1) Adjust so that the le
vel of black and white signal par
t can
0
±
10
mV
R-Y Black level
color bar SIGNAL unit be aligned with the le
vel of H.BLK.
Screen Screen Factory screen
CRT tubular 1) Darken the environment as much as possible.
Point that
adjustment
adjusting mode
screen 2) Set to factory-set screen adjusting MODE.
starts lighting
(Y mute, DRV.CUT=40H)
3) Directly observe the surface of Cathode Ra
y Tube and
adjust the screen
VR to the point that star
ts lighting.
4) Make above-mentioned adjustments f
or each tube of G, R,
and B.
Focus Focus
Picture mode 1 Retma signal Screen
1) Adjust to the best position b
y repeating electrical focus and
adjustment
(PAL-I) adjustment optical focus adjustments
.
Crosshatch
2) Use the jig and shade the CR
T except the axes under
signal
adjustment.
3) Make above-mentioned adjustments f
or each tube of G, R,
and B.
RDRV Bright part P
icture mode 1
Screen 1) Adjust the color temper
ature of the bright part (103cd/m
2
).
8750k-0.002uv
BDR
VW/B
WIDE mode
adjustment
RCUT
Dark part W/B P
icture mode 1 Screen 1) Adjust the color temper
ature of the dark part (17cd/m
2
).
8750k-0.002uv
BCUT
WIDE mode
adjustment
VCEN Midpoint
Picture mode 1 Phillips Pattern Between TP-V 1) Connect a digital v
oltmeter between TP-V
0
± 25mV
voltage
DFS-100 Hz and TP-G
and TP-G and adjust it to 0 mV b
y VCEN data.
voltage
(No designation on polarity of degital voltmeter)
adjustment
Digital
voltmeter
For details,
refer to [focus
adjusting
method]
introduced in
the next page.
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