Sanyo M1112 Service Manual page 2

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DISASSEMBLY INSTRUCTIONS
NERAL REMARKS |
Before disassembling the unit, spread a soft rubber mat or a
cloth on the workbench to avoid scratches and grease stains.
Do not use a material which is likely to cause static
electricity because the transistors and ICs may be easily
damaged by it.
When mounting the P.C.Board, confirm that the leads,
resistors, capacitors, etc., do not contact the function
mechanism such as gear or belt. Also refer to the Exploded
Views.
Reassemble the unit, noting the kinds of screws, the
soldering and arrangement of the leads. Refer to "Circuit
Diagram and Exploded Views" for correct assembly.
Before disassembling the unit, take out the cassette tape
and the batteries.
CABINET BOTTOM REMOVAL
1.
2.
3.
Remove the four screws (1 ~ 4) fastening the Cabinet
Bottom.
Detach the Cabinet Bottom by lifting it.
Reassemble in reverse order.
NOTE:
When the Cabinet Bottom is reassembled, fit the Pause
Knob to the Pause Switch and then confirm that the Pause
Switch is operated correctly by moving its knob.
AMPLIFIER P.C.BOARD REMOVAL
1.
Detach the Cabinet Bottom by following the instructions for
it and the two leads of the Motor (red and blue) from the
P.C.Board.
Take out the Speaker and the Speaker Holder from the unit
and then detach the Spring for grounding by removing the
screw (5).
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Battery Holder
Detach the P.C.Board by lifting it in the direction of the arrow
with caution not to damage the lead wires.
Reassemble in reverse order.
NOTE:
When the Amplifier P.C.Board is reassemble, attach the
Record/Play Switch to the R/P Switch Lever correctly.
Amplifier P.C.Board Record/Play Switch
R/P Switch Lever
CASSETTE MECHANISM REMOVAL
Detach the Amplifier P.C.Board by following the instructions
for it and remove the four screws (6 ~ 9) fastening the
Cassette Mechanism.
1.
Lift the Mechanism in the direction of the arrow as illustrated
and detach the mechanism after the counter reset button is
removed by pushing it into the Cabinet.
Reassemble in reverse order.