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Sanyo M7770K Service Manual page 3

Mini stereo radio cassette recorder

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DISASSEMBLY
INSTRUCTIONS
(Continued)
AMPLIFIER P.C.BOARD ASSEMBLY REMOVAL
RADIO TUNER P.C.BOARD REMOVAL
2.
Pull out Connector
CN3
from the P.C.Board
and remove
2. Turn the Tuning Knob fully in an arbitrary direction.
the leads from the Volume P.C.Board.
3.
Remove the screws
(10 and 11) fastening the Radio Tuner
P.C.Board. Then, detach the P.C.Board
by lifting it in the
direction of the arrow.
Radio Tuner P.C.B.
Amplifier P.C.B.
NOTE:
Do
not
turn
the Tuning
Knob
before
the Radio Tuner
P.C.Board is re-mounted to the unit.
When
the Radio
Tuner
P.C.Board
is mounted,
insert the
shaft of the variable capacitor into the hole on the drum.
After that, check
to see that correct
dial indications are
obtained.
3. Carefully remove the P.C.Board by lifting it in the numerical
MECHANISM
CHASSIS
REMOVAL
order as illustrated.
1.
Remove
the Radio Chassis from the unit by following its
removal
instruction
and
then, a screw
(9) fastening the
Amplifier P.C.Board.
Amplifier P.C.B.
2. Remove the two screws (12 and 13) fastening the AMSS
Program P.C.Board and then, the P.C.Board.
3.
Remove the four screws (14 — 17) fastening the Chassis and
the two screws (Red and Black) running from the motor.
4. Remove the Mechanism Chassis by lifting it in the direction
of the arrow. Note the lead connections.
4.
Reassemble in reverse order.
5.
Reassemble in reverse order.

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