Hitachi IJ PH Service Manual page 135

(12) Attach the heater, the heater spacer, the deflecting base, the heater spacer
packing, the heater packing and the deflecting base packing.
Heater spacer 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.
Recovery tube
Screw the deflecting electrode GD
and the FG together
(15) Attach the APH board and solder the video signal wire.
"Caution"
(A) The construction of the video signal wire is as follows.
core wire: signal side, peripheral ground wire: GND side
(B) The core wire is very thin and therefore, be careful to the breaking
of wire.
Heater Heater spacer
Heater
Heater packing
APH tube part group
Signal side
soldering
GND side
soldering
5-15
Deflecting base
Deflecting base packing
Screw the deflecting
electrode GD