Sansui AUX 1 Service Manual

Page 20

7. REPLACEMENT OF MAIN

PARTS (See Vottom View on page 12)

1) Replacement of Driver circuit board, F-2775.

a

cone

Remove bottom plate.

Remove 3p connector, A.

Disconnect +slde of speaker cord, point B.

Disconnect earth wires (two pieces of black wires).

Loosen 4 screws fixing heat sink. then pull out the heat sink.

2) Replacement of Power transistor.

e

Pull out the heat sink by the same procedure of driver circuit
board replacement above.
Loosen the screws mounting the power transistor and pluck out
the transistor. '

3) Replacement of Front panel Assy.

0....

Remove bonnet.

Loosen 4 screws fixing front panel from both side.

Remove knobs.

Loosen a screw under the volume knob and take off a nut fixing
speaker switch.

4) Replacement of flat amp & Tape copy switch circuit

board, F-2819, F-2'l74.

Remove front panel assy & bonnet.
Loosen 4 screws fixing back panel to chassis, and pull out the
back panel.

5) Replacement of speaker terminal board, F-2820 and pro-

tector relay.

Remove bottom plate a bonnet.

Loosen 8 screws fixing Rear panel to chassis.

lake off 8 of speaker terminal and remove speaker terminal cir-
cuit board from Rear panel.

Replace the protector relay.

8. PACKING LIST

Pane No. Stock No. Description
1 9116800 Vinyl Cover
2 9028310 Styrofoam Packing
3 9019520 Packing
4 9001570 Carton Case
5 5996080 Curl Stopper

9. ACCESSORY PARTS LIST

Stock No. Description.
9203920 Operating instructions
9238000 Schematic Diagram