Replacement Of Main Parts; Packing List; Accessory Parts List - Sansui AU-X1 Service Manual

7. REPLACEMENT OF MAIN
PARTS
(See Vottom View on page 12)
1) Replacement of Driver circuit board, F-277S.
*
Remove bottom plate.
*
Remove 3p connector, A.
*
Disconnect +side 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.
*
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 Ass'y.
*
Remove bonnet.
*
Loosen 4 screws fixi ng 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-2774.
*
Remove front panel ass'y & 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 & bonnet.
*
Loosen 8 screws fixing Rear panel to chassis.
*
Take off 8 of speaker terminal and remove speaker terminal cir·
cuit board from Rear panel.
*
Replace the protector relay.
15
AU-X1
8. PACKING LIST
Parts 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.
9203920
9238000
Description.
Operating Instructions
Schematic Diagram