Table of Contents
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I. Preparations
i
BS
WEE
Fw
sere
sw
—
— ---
the Q board as indicated on the right.
The levels of the signals supplied must be within + 2% of the standard on the right.
100% WHITE
BURST
(GREEN)
(This item only P-P)
COMPOSITE
VIDEO
(75% COLOR BAR)
PAL BURST
(GREEN)
(This item only P-P)
COMPONENT
(75% COLOR BAR)
SMPTE
75% COLOR
B-Y, R-Y
(This item only P-P)
* In this document, terms inside boxes ae
are names of
service mode adjustments.
Example
|60H-FREQ
* CONT 80% is the center click position for the user control.
1. Deflection System Adjustment
1. ADJUSTING THE HORIZONTAL OSCILLATION
FREQUENCY
1. Input a 525 monoscope signal.
2. Set:
CONT «++
80%
BRT --- «++ 50%
3. Put the unit into service mode.
4. Drop A board IC507 Pin 1 to ground with a 1004/16V
electrolytic capacitor. (Ground must use CN5O5 Pin 3.)
Or plug the H-FREQ tool into CNS05.
5. Adjust
so that the diagonal lines on the screen
become vertical lines. (Fig. 1)
6. Input a 625 monoscope signal.
Signal Contents
Standard Level
9
(Pedesta!-White)
atte
75% WHITE
0.536V
93%
286mV (632mV)
94% (94%)
300mV (664mV)
0 WHITEY
PAL
BETAO
| 75% COLOR
B-Y,R-Y
0.7V
(This item only P-P)
75% WHITE Y
0.525V
0.525V
Reduction
Ratio
Connector Feed Level!
(Pedestal-White)
0.498V
269mV (594mV)
0.651V
0.488V
282mV (624mV)
0.664V
0.498V
0.664V
0.664V
94% (94%)
94.8%
94.8%
94.8%
94.8%
94.8%
94.8%
100 4 /16V
+
| eee = |)
=
28600
H-FREQ tool
/
aE
Fo: Low
Fo: Optinum
Fo: High
Fig. 1
t
a
n
N
o
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