AV-20N41
AV-16N71
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
This exploded view put on the next page described
REMOVING THE REAR COVERmainly about AV-20N41/BK.
1. Unplug the power plug.Although AV-16N71/VT is slightly different from this
2. As shown in figure, remove the 7 screws (AV-20N41/BK)figure, you can use this for disassembling same
point.
/ 6 screws (AV-16N71/VT) marked #### and a screw marked $$$$ .
3. Withdraw the rear cover toward you.
REMOVING THE MAIN PW BOARD
z After removing the rear cover.
1. Slightly raise the both sides of the MAIN PW BOARD by hand.
(AV-16N71/VT)
Remove the pwb stopper from the front cabinet bottom.
2. Withdraw the MAIN PW BOARD backward.
(If necessary, take off the wire clamp, connectors etc.)
REMOVING THE SPEAKER
z After removing the rear cover.
1. As shown in figure, remove the 2 screws (AV-20N41/BK)
/ 4 screws (AV-16N71/VT) marked %%%% .
2. Follow the same steps when removing the other hand speaker.
CHECKING THE MAIN PW BOARD
1. To check the back side of the PW Board.
1) Pull out the MAIN PW Board. (Refer to REMOVING THE MAIN
PW Board)
2) Erect the PW Board vertically so that you can easily check the
back side of the PW Board.
[CAUTION]
z When erecting the PW Board, be careful so that there will be no
contacting with other PW Board.
z Before turning on power, make sure that the CRT earth wire and
other connector are properly connected.
WIRE CLAMPING AND CABLE TYING
1. Be sure to clamp the wire.
2. Never remove the cable tie used for tying the wires together.
Should it be inadvertently removed, be sure to tie the wires with a
new cable tie.
6No. 51924 |
ACEC
