Service manual

13
29H-FG5RU
13-1
13-2
BRRB
BRRB
B
X axis
Y axis
CONVERGENCE ADJUSTMENT
No.
Adjustment point
Adjustment conditions/procedure Waveform or remarks
CONVERGENC
ADJ.
( To be done
after the purity
adjustment.)
1. Receive the " Crosshatch Pattern" signal.
2. Using the remote controller, call NORMAL mode.
( Static convergence )
1. Overlap blue and red with the open-/closing an-
gle and rotation of the 4 pole magnet.
2. Overlap green on blue and red with the open-/
closing angle and rotation of the 6 pole magnet.
( Dynamic convergence )
1. Fix the wedges in a position so that the deflection
york neck is at the center of top bottom and left
right. ( Straight line and without any blur horizon-
tal / vertical line).
2. Adjust the Red, Blue, upper and lower of the cen-
tre y axis on the screen by using the Volume (VR2,
VR1)at the deflection york.
(Refer to fig.1 and fig.2)
3. If the Horizontal Red, Blue(XV) on the screen
centre X axisis shifted, correct the Red, Blue (XV)
by adjusting the balance coil on the deflection
york. (Refer to Fig. 3)
4. After confirm that there is no problems on the
entire screen ,bond each wedge on CRT and
glass tape on it. Fastening the screws of DY and
magnet unit (purity , 4 - pole and 6 pole ), then
coat the lacquer paint on DY fastening screw and
magnet unit fastening screw.
Note:
In case of poor convergence adjustment on the
top and bottom and of the screen , adjust DY by
swing rightward and leftward.
(Refer to Fig-4)
1
Fig. 1
Adjust by VR1
Fig. 2
Adjust by VR2
Fig. 3
Adjust by Balance Coil
CRT NECK
Lacquer
Purity Magnet
4-Pole Magnet
6-Pole Magnet.
25mm ± 0.5mm
VR2
VR1
Balance Coil
Fig. 4
Adjust by Swing DY
FOCUS ADJUSTMENT
No.
Adjustment point
Adjustment conditions/procedure Waveform or remarks
FOCUS
ADJUSTMENT
1. Receive E-5CH (Monoscop pattern).
2. With the remote controller, make the image nor-
mal.
3. Adjust the focus VR to make the character"575"
on left bottom of monoscope as fine as possible.
1