JVC AV-32430/M, Руководство по обслуживанию

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AV-32430
AV-32432
1-6 (No.52104)
2.5 DISASSEMBLY PROCEDURE
2.5.1 REMOVING THE REAR COVER
• Unplug the power plug.
(1) Remove the 11 screws [A] , as shown in Fig.1.
(2) Remove the rear cover toward you.
NOTE:
When reinstalling the REAR COVER, carefully push it inward
after inserting the chassis into the rear cover groove.
2.5.2 REMOVING THE TERMINAL BOARD
• Remove the REAR COVER.
(1) Remove the 4 screws [E] as shown in Fig.2.
(2) When you pull out the TERMINAL BOARD, it can be
removed.
2.5.3 REMOVING THE MAIN PWB
• Remove the REAR COVER.
(1) Slightly raise the both sides of the CHASSIS BASE by
hand, and remove the 2 claws [B] (Fig.1 and Fig.2) under
the both sides of the chassis from the chassis rail.
(2) Draw the CHASSIS BASE backward along the chassis rail
[C] in the arrow direction [D] as shown in Fig.1 and Fig.2.
(If necessary, detach the wire clamp, connector's etc.)
NOTE:
When conducting a check with power supplied, be sure to
confirm that the CRT earth wire is connected to the CRT
SOCKET PWB and the MAIN PWB.
Fig.1
2.5.4 REMOVING THE FRONT CONTROL PWB
• Remove the REAR COVER.
• Remove the MAIN PWB.
(1) Remove the 2 screws [F] attached the FRONT CONTROL
PWB with the front cabinet as shown in Fig.2.
(2) Then remove the FRONT CONTROL PWB.
2.5.5 REMOVING THE FRONT TERMINAL PWB
• Remove the REAR COVER.
• Remove the CHASSIS BASE.
(1) Remove the 2 screws [G] , as shown in Fig.2.
(2) Then remove the FRONT AV IN PWB.
2.5.6 REMOVING THE SPEAKER
• Remove the REAR COVER.
• Remove the CHASSIS BASE.
(1) Remove the 2 screws [H] , as shown in Fig.2.
(2) Follow the same steps when removing the other hand
speaker.
2.5.7 CHECKING THE MAIN PWB
(1) Pull out the CHASSIS BASE. (Refer to REMOVING THE
CHASSIS BASE).
(2) Erect the chassis vertically so that you can easily check
from the backside of the MAIN PWB.
2.5.8 CAUTION
(1) When erecting the chassis, be careful so that there will be
no contacting with other PWB.
(2) Before turning on power, make sure that the CRT earth
wire and other connectors are properly connected.
2.5.9 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.
MAIN PWB
FRONT CABINET
B
C