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Sanyo M7790K Service Manual page 2

Stereo radio cassette recorder

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DISASSEMBLY INSTRUCTIONS
GENERAL REMARKS
2. Remove the three connectors (CN2, CN3 and CN6) from the
®
Before disassembling the unit, spread a soft rubber mat or a
Amplifier P.C.Board and detach the Radio Chassis by lifting
cloth on the workbench to avoid scratches and grease stains.
it in the directions of the arrow.
@
Do not spread
anything
which
is likely to cause
static
electricity
because
transistors
and
ICs
may
be easily
damaged by it.
e
Reassemble
the unit, noting the kinds of screws
and the
soldering and arrangement of the leads. Refer to "Circuit
Diagram and Exploded Views" for correct assembly.
e
Before disassembling the unit, take out the cassette tape
and the batteries.
CABINET BOTTOM REMOVAL
pace igese
1. Detach the battery compartment
tid and remove the eight
screws (1 ~ 8) fastening the Cabinet Bottom.
3.
Reassemble in reverse order.
AMPLIFIER P.C.BOARD REMOVAL
1. Detach the Radio Chassis by following the instructions for it
and
remove
the
four
screws
(9 ~
12) fastening
the
Amplifier P.C.Board.
2. Pullout the connector CN4 from the Amplifier P.C.Board.
CN4
2.
Detach the Cabinet Bottom by lifting it in the direction of the
arrow and pull out the connector of the antenna from the
Radio Tuner P.C.Board.
3.
Reassemble in reverse order.
RADIO CHASSIS REMOVAL
3. Detach the Amplifier P.C.Board by lifting it in the direction of
1. After detaching the Cabinet
Bottom, pull out the Tuning,
the arrow noting the lead wires.
Volume Control, Balance Control, Treble Control, and Bass
Control Knobs from the unit.
4.
Reassemble in reverse order.

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