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GX-N5E
No.
Item
Measuring
instrument
| Test point and Adjustment part
if
Description
Adjustment
L
9. | SHADING
'oscilloscope
TP-8
( V-rate )
10:1
White
pattern
H TILT
Alignment magnet
R646 (FOCUS)
R621
(H. PB)
R627 (H. TILT)
R632 (V. PB)
R626 (V. TILT)
V.TILT
V.PB
SS
s68
Focus
Pickup tube
Alignment magnets
Turn the two halves until
there are 150° out of align-
ment.
Be sure to turn both
halves.
toward 0°.
. Adjust R621
(H. PB)
2
< Example >
Alignment magnet adjustment
3
Put the concave
faces together.
4
(Note)
1. Confirm
that
the
carrier
©
Set the iris to obtain 200 ~ 300mV at TP-1.
1. Measure
TP-8
and
adjust the alignment
magnet
and R646 (FOCUS) alternately until
the carrier is at maximum and the phase line
is displayed clearly near the center. (Refer to
Fig. 2-9 (a).)
Phase line
pes
il
WTC
maximum
:
pil
H-rate 10:1
Fig. 2-9 (a)
and R627
(H. TILT)
until the carrier becomes flat, as shown
in
Fig. 2-9 (a).
. Adjust R632 (V. PB) and R626 (V. TILT) un-
til the carrier becomes
clear, as shown
in
Fig. 2-9 {a).
. Repeat steps 1 ~ 3 until optimum shading
is obtained.
5. Fix
the
alignment
magnet
position
with
adhesive tape.
changes
uniformly when the iris is opened.
|
(Compensation
with
alignment
magnet)
2. Confirm
that
the
carrier
changes
uniformly when the Focus VR is turn-
ed.
|
(Compensation with Dynamic Focus.}
1
16E (No. 5391B)
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