JVC KSAX4700
Service Manual

KS-AX4700

Removal of main parts
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.

B

Bottom cover

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.

A

A

B
Fig. 1

Top panel

Removing the MAIN PCB (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.)

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 rope or wire 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). 4. Remove the 4 screws D retaining the control panel. Then detach the control panel and the switch knobs.

Volume knob

D
Switch knob Control panel

D
Fig. 3

Volume knob

Rope or wire Control panel

(Side view)

Fig. 4

1-5