MX-KA7
1-6
<Disassembly of the main blocks of the set>
Replacement of the fuses and the power IC
Replacing the fuses (See Fig.1)
Prior to performing the following procedure, remove
the top cover.
1. Replace the fuses inside.
[Caution]
Be sure to use fuses with the specified
ratings.
Replacing the heat sink cover (See Fig.3)
1. Remove four screws
B
from the rear panel.
2. Pull the heat sink cover outward.
Fig.1
Fuse (F951)
3.15A 250V
Fuse (F952)
1.6A 250V
Replacing the power IC (See Fig.2)
Prior to performing the following procedure, remove
the top cover.
1. Remove the two screws
A
from the heat sink between
the power IC.
2. Remove the solder fixing the power IC.
A
Fig.2
Fig.3
B
Summary of Contents for CA-MXKA7
Page 23: ...MX KA7 1 23 1 Pin descriptions 2 Block diagram Optical disc ICs BA5936S IC621 ...
Page 35: ...A B C D E F G 1 2 3 4 5 2 1 MX KA7 n Tuner section ...
Page 36: ...A B C D E F G 1 2 3 4 5 2 2 n Main section MX KA7 ...
Page 37: ...A B C D E F G 1 2 3 4 5 2 3 MX KA7 n CD section ...
Page 38: ...A B C D E F G 1 2 3 4 5 2 4 MX KA7 n Amplifier ...
Page 39: ...A B C D E F G 1 2 3 4 5 2 5 MX KA7 n FL Display and CPU Control ...
Page 40: ...A B C D E F G 1 2 3 4 5 2 6 MX KA7 n Power transformer section ...
Page 41: ...A B C D E F G 1 2 3 4 5 2 7 MX KA7 n Block diagram ...
Page 42: ...A B C D E F G 1 2 3 4 5 2 8 MX KA7 n Wiring diagram ...
Page 43: ...A B C D E F G 1 2 3 4 5 2 9 MX KA7 n Main top PWB ...
Page 44: ...A B C D E F G 1 2 3 4 5 2 10 MX KA7 n Main bottom PWB ...
Page 45: ...A B C D E F G 1 2 3 4 5 2 11 MX KA7 n FL Display and CPU TOP ...
Page 46: ...A B C D E F G 1 2 3 4 5 2 12 MX KA7 n FL Display and CPU BOTTOM ...
Page 47: ...A B C D E F G 1 2 3 4 5 2 13 MX KA7 n Power Amp PWB ...
Page 48: ...A B C D E F G 1 2 3 4 5 2 14 MX KA7 n Power trans PWB ...
Page 59: ...3 11 MEMO ...