MX-KA3
1-17
Fig.31
Fig.29
Removing the power amp and supply PCB
and the power trans PCB
(See Fig. 2, 29 to 31)
Prior to performing the following procedures, remove
the top cover and CD changer unit.
1. Remove four screws B from the rear panel. (Fig.3)
2.
Pull the heat sink cover outward.
3. Remove
four screws
AA
from the rear panel between
the heat sink holder.
4. Remove
two screws
X
that retain the speaker terminals
and AUX terminal.
5. Remove four screws
YY
that retains the rear panel,
and then remove the rear panel.
6.
Disconnect the parallel wires from the connectors
FW951 on the power trans PCB.
7. Remove screws
Z
that retain the power amp and
supply PCB and then remove the assembly.
8. Remove the
clamp of AC power cord from the chassis.
9. Remove four screws
that retain the power trans PCB
and then remove the assembly.
Chassis
Rear panel
Power amp and
supply PCB
Z
X
YY
Clamp
AA
CA-MXKA3U/UJ/UW Fig.30 (B)
X
YY
Clamp
AA
CA-MXKA3A Fig.30 (A)
Fuse(F953)
T1AL 250V
Fuse(F951)
T2AL 250V
Fuse(F952)
T1.6AL 250V
