Janome MC15000 - Switching Power Supply Unit

14
Switching power supply unit
• Before removing
1. Remove the belt cover, top cover, front cover and the rear
cover (see pages 1, 2 and 5).
• Removing the auxiliary power supply unit case
2. Disconnect the connector of the auxilliary power supply
unit from the printed circuti board A (see page 7).
Cut the tie band of the ferrite core and remove the cords
from the board.
3. Disconnect the connector B from the case.
4. Remove the setscrews C (2 pcs.).
5. Remove the auxiliary power supply unit case from the
machine.
Replacing electronic components
C
C
B
Auxiliary power supply unit case
D
E
F
G
• Removing the power supply unit
6. Remove the setscrews D (top of the machine), E (under
the power supply unit), F and G (end of the holes as
shown).
7. Disconnect the connector H from the power supply unit.
8. Remove the power supply unit.
To attach:
1. Follow the above procedure in reverse.
Ferrite
core
Tie band
H