JVC KSAX7300 / UJ/UC
Manual de Servicio

KS-AX7300

SECTION 2 Disassembly method
CAUTION: If electricity is connected during disassembly, it must be a no load current. If it is load current, be sure to attach a heat sink to the power-amp IC. This will be damaged if the above precautions are not followed, as it does not have a sub heat sink attached to it. 2.1 Removing the bottom cover (see Fig. 1) (1) From the bottom side of the main unit, remove the 4 screws A retaining the bottom cover. (2) Then remove the 6 screws B retaining the bottom cover. (3) Remove the bottom cover.

B

Bottom cover

A B
Fig.1 2.2 Removing the Main board (see Fig. 2 to 8) (1) Remove the bottom cover from the main unit. (2) Loosen and remove the 2 screws C retaining the top plate on the main unit. (Stoppers are attached to the backs of the C screws so that they cannot be removed easily.)

A

Top plate

C

C

Fig.2 (3) Remove the 6 volume knobs on top of the control panel. If it cannot be pulled out easily, insert a scale or suitable lever between the base of the volume knob and the control panel so that the volume knob is raised a little above the surface and then remove it. (Be careful when inserting a lever etc. not to scratch the surface of the control panel).
Volume knob

D
Control panel Switch knob

D

(4) Remove the 4 screws D retaining the control panel. Then detach the control panel and the switch knobs.

Fig.3
Volume knob Scale or suitable lever Control panel

(Side view)

Fig.4

(No.49808)1-3