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4aV-
AV-
28WX1EP
S2WX1EP
REMOVING THE CRT
%% ~~ Because of the considerabie weight, at least 2 workers are
needed to replace the CRT.
Remove the rear cover.
Take out the main chassis. Disengage the connectors of the
anode
cap,
degaussing
coil etc.
(Fig.4)
and
remove
the
chassis completely.
. As indicated in Fig. 5 , place an under layer of soft cloth.
A top of this, prepare a work stand also covered with soft
cloth.
. After removing the chassis, place the set on the work stand in
a balanced manner with the CRT face downwards.
3. Use a screw-driver io remove 4 screws. Use care the cabinet
does not drop downwards when the screws are removed.
Gently lower the cabinet onto the cloth while using care not to
scratch the cabinet.
Install the new CRT by reversing the above steps.
APPLY
INSULATING
SILICON
GREASE
TO
ANODE CAP
@
After replacing the CRT
, flyback transformer or performing
service with the anode cap disconnected,
be sure to apply
insulating silicon grease as indicated in Fig. 6.
1. Wipe the anode bution circumference
with a clean cloth.
As shown
in Fig. 6, apply silicon grease around the anode
button circumference, but use care not to apply the grease to
the button itself.
2-8 (No.51108)
CRT replacement
Cabinet
Apply more
than 5mm from
anode cap
outer
circumference.
Anode button
[AV-28WX1EP]}
Fig. 4
Fig. §
Anode cap
Anode cap
outer form
ea
i
i
Do not apply within
—>:
-«<& about 20mm of the
anode button center.
Fig. 6
1.
Memory IG
eo.
#
AV-28WX1EP
AV-32WX1EP
Procedure
(1)
Power off
Switch the power off and unplug the power code
from the outlet.
Replacing the memory IC.
Replace with the new memory IC containing the
initial values.
Power on
Plug the power code into the outiet and switch
the power on.
2
3
5
Setting of receive channels
Set the receive channels.
For setting, refer to the OPERATING INSTRUCTIONS.
(6) User Setting
Check the user setting value of Table 2, and
if setting value is different,
set the correct value.
where necessary.
For setting, refer to the SERVICE ADJUSTMENTS.
SERVICE MENU
SERVICE MENU
1IF
2MIC
3.AUDIO
4.DEF
5.VSM PRESET 6.VPS
7. AUTO PROGRAM(OFF)
1-7: SELECT CB): EXIT
Fig. 1
SYSTEM CONSTANT SET
SYSTEM CONSTANT SET
MODEL = 28/32WX1
(V+ see=)
1,COUNTRY
: EP
=
2.1NCH
128
- + [:STORE
CH: Exit
JVC JD WIDE VO1
M37270MF- x x x SP
M3747 1MB-349SP
Fig. 2
[AV-28WX1EP]
Names of key
DISPLAY
OK
FUNCTION
UP/DOWN
FUNCTION L/R
(No.51108) 2-9
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