Sanyo M7770K - Amplifier P.C. Board Assembly Removal; Radio Tuner P.C. Board Removal; Mechanism Chassis Removal

DISASSEMBLY INSTRUCTIONS (Continued)
AMPLIFIER P.C.BOARD ASSEMBLY REMOVAL RADIO TUNER P.C.BOARD REMOVAL
1.
Follow
the
instructions
for
the
Cabinet
Bottom
Assembly
1.
Follow
the
instructions
for
the
Radio
Chassis
Assembly
Removal.
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.
Radio
Chassis
.
4.
Reassemble
in
reverse
order.
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.