Sansui AUX 1 Service Manual
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Extracted text from Sansui AUX 1 Service Manual (Ocr-read)
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