5-15
(12) Attach the heater, the heater spacer, the deflecting base, the heater spacer packing,
the heater packing and the deflecting base packing.
(13) Dispose the APH tube part group on the head base and connect it to the recovery
tube.
(14) Fasten the FG and the deflecting electrode GD together. Screw one of the deflecting
electrode GD on the front edge of the head base.
(15) Attach the APH board and solder the video signal wire.
“Caution”
①The construction of the video signal wire is as follows.
core wire: signal side, peripheral ground wire: GND side
②The core wire is very thin and therefore, be careful to the breaking of wire.
Heater
Heater spacer
Deflecting base
Heater
Heater spacer packing
Heater packing Deflecting base packing
Recovery tube
APH tube part group
Screw the deflecting
electrode GD
Screw the deflecting electrode GD
and the FG together
Signal side
solderin
GND side
soldering
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