Panasonic PT-47X54J Service Manual page 114

4. Unplug connectors from D-Board. See board layout. D14
for red, D15 for green and D16 for blue.
5. Unplug the defective CRT black DAG ground connector
from the CRT Board.
6. Remove the CRT Board from the defective CRT neck.
7. Remove (4) screws from the defective CRT housing.
Caution:
Do not remove the (4) CRT lens screws. Support the
CRT assembly when loosening screws.
CRT replacement
Focus pack location
8. Release CRT anode lead from CRT chassis wire clamp and
all other wires from holders.
9. Loosen a screw that
secures the DY and remove it from the CRT neck.
Caution:
To insure protection against x-ray radiation, the lens
must be mounted in place at all times when power is
applied to the PTV
CRT replacement
1. Remove CRT focus lens assembly (4 screws)
2. Lay CRT face down on a soft cloth.
3. Note position of yoke with centering tabs and remove
from defective CRT.
4. Remove CRT DAG ground from defective CRT. Mount
it on the replacement CRT exactly as it was on the
defective CRT.
Note:
Replacement CRT is supplied with H.V. anode lead
attached.
5. Wire the anode lead wire.
6. Install yoke with other CRT neck assemblies on CRT
neck in the same order and position as removed from
the defective CRT.
7. Press yoke against bell of CRT and tighten the clamp
just snug enough so it will not easily shift.
8. Assemble CRT focus lens assembly to new CRT with
(4) screws. Make sure focus lens adjustment nut is in
the same location as on other CRT focus lens
CRT screw tightening order
Note:
Please assemble with screws in the order shown
and tighten with the same torque.
18
CRT assembly