JVC AV-30W475/Y Service Manual page 9

3.1.9 REMOVING THE CRT
NOTE:
• Replacement of the CRT should be performed by 2 or more
persons.
• After removing the REAR COVER, CHASSIS etc.,
(1) Putting the CRT change table on soft cloth, the CRT
change table should also be covered with such soft cloth
(shown in Fig. 3).
(2) While keeping the surface of CRT down, mount the TV set
on the CRT change table balanced will as shown in Fig. 3.
(3) Remove 4 screws marked by arrows with a box type
screwdriver as shown in Fig. 4.
NOTE:
Since the cabinet will drop when screws have been
removed, be sure to support the cabinet with hands.
(4) After 4 screws have been removed, put the cabinet slowly
on cloth (At this time, be carefully so as not to damage the
front
surface of the cabinet) shown in Fig. 5.
NOTE:
• The CRT should be assembled according to the
opposite sequence of its dismounting steps.
• The CRT change table should preferably be smaller
that the CRT surface, and its height be about 35cm.
COATING OF SILICON GREASE FOR ELECTRICAL INSULATION ON THE CRT ANODE CAP SECTION.
Subsequent to replacement of the CRT and HV transformer or repair of the anode cap, etc. by dismounting them, be sure to coat
silicon grease for electrical insulation as shown in Fig.6.Wipe around the anode button with clean and dry cloth. (Fig.6)Coat silicon
grease on the section around the anode button. At this time, take care so that any silicon greases dose not sticks to the anode
button. (Fig.7)
Silicon grease product No. KS - 650N
CRT
Silicon grease
1-8 (No.YA095)
Anode button
coating
Fig.6
CRT CHANGE TABLE
CLOTH
Fig.3
CRT
CRT
CHANGE
TABLE
Fig.4
CABINET
Fig.5
Approx.
20mm (Do not
coat grease on
this section
Anode button
(No sticking of
silicon grease)
Fig.7
APPROX.
35cm
BOX
TYPE
SCREW
DRIVER
CRT
CRT
CHANGE TABLE
Silicon grease
should be coated
by 5mm or more
from the outside
diameter of anode
cap.
Coating position
of silicon grease
Anode cap