Werbung
GX-N5E
Test point and Adjustment part
|
Description
Measurin
No.
Item
3
g
instrument
|
Before performing the deflection adjustment,
preset the following VRs as indicated.
e MAIN BOARD
R627 (H. TILT)
R621 (H. PB)
R626 ({V. TILT)
R632 (V. PB)
e SHADING COMP. BOARD
R30,R36
(SHADING COMP.)
R45,R54,R43,R52
(STATIC SHADING)
HTILT
VTILT
V.PB
_H.PB
[R627 |[re26]
[R632]
[R621 |
Mechanical center
~~
'
F
J
Blcomecton
mC)
oe
oro
S
BD
Mechanical center
TARGET
Oscilloscope
Pickup point (A)
R641
1. Check the waveform at point (@) with the
VOLTAGE
&
Pickup point
(TARGET)
oscilloscope,
and
measure
the
cathode
SETTING
DC Voltmeter
voltage (Vk).
1H
——+|
VK
Se
o m
(about 3~ 6V)
Fig. 2-1
2. Connect the DC voltmeter to point
and
adjust R641
(TARGET)
to obtain the same
reading (+ 0.2 V) as the displayed cathode
voltage
+ Vk.
-~~~Pickup
point
:
(J1 of connector J)
L
Serene! A
_|
(No. 5391B)
11E£
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