1060VR/1070VR/KR-V8090/KR-V9090
5
DISASSEMBLY FOR REPAIR
The method that exchanges a power transistor.
1. Remove 10 screws (
1
and
2
) of rear panels.
2. Remove flat cable from connector (CN851 and CN852) of
printed circuit board X08 (A/3) . And, remove one screw
(
3
). After this, move printed circuit board X08 (A/3)
toward the right.
3. Remove one screws (
4
) of printed circuit board X08
(B/3). After this, move printed circuit board X08 (B/3)
toward the right.
4. 1) Cut certain 4 convenes with nippers etc. on the left side
of the power supply transformer.
2) Remove one screws (
6
) of printed circuit board X14
(C/5). And, remove a headphone unit.
3) Remove 4 screws (
7
) of printed circuit board X09.
•
Make printed circuit board X08 (A/3 and B/3) in
original condition, after screw (
4
) is removed. And,
remove screw (
1
and
3
) and FFC.
5. Remove 2 screws (
8
) of both sides of a panel.
6. Set up a receiver, so that the left side of a receiver
becomes downward. And, remove 4 screws (
9
). Turn
over a receiver like a figure after this.
) on the side of under of a panel.
8. Remove the solder of a power transistor from FOIL side of
printed circuit board X09. And, exchange a power
transistor.
FIG. 1
FIG. 2
FIG. 3
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