Woofer (Psr-1100); Woofer (Psr-2100); Floppy Disk Drive; Keyboard Assembly - Yamaha portatone psr 1100 Service Manual

PSR-1100/PSR-2100
8.

Woofer (PSR-1100)

(Time required: about 3 minutes)
8-1 Remove the lower case assembly. (See procedure 1.)
8-2 Remove the four (4) screws marked [100A]. The woofer
can then be removed. (Fig. 2)
* The left and right woofers can be removed in the respec-
tively same method.
9.

Woofer (PSR-2100)

(Time required: about 3 minutes)
9-1 Remove the lower case assembly. (See procedure 1.)
9-2 Remove the four (4) screws marked [100B]. The woofer and
the four (4) speaker holders can then be removed. (Fig. 2)
* The left and right woofers can be removed in the respec-
tively same method.
10.

Floppy Disk Drive

(Time required: about 4 minutes)
10-1 Remove the lower case assembly. (See procedure 1.)
10-2 Remove the four (4) screws marked [50]. The floppy disk
drive assembly can then be removed. (Fig. 2)
10-3 Remove the four (4) screws marked [F40]. The left and
right FDD holders can then be removed from the floppy
disk drive. (Fig. 3)
11.

Keyboard Assembly

(Time required: about 4 minutes)
11-1 Remove the lower case assembly. (See procedure 1.)
11-2 Remove the two (2) screws marked [250B]. The keyboard
assembly can then be removed. (Fig. 2)
12. INV Circuit Board
(Time required: about 3 minutes)
ATTENTION: High Voltage
12-1 Remove the lower case assembly. (See procedure 1.)
12-2 Remove the four (4) screws marked [260A]. The INV cir-
cuit board can then be removed. (Fig. 2)
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• Floppy disk drive Assembly FDD Ass'y
[F40] [F40]
FDD holder L FDD FDD holder L FDD L L
[F40]: Bind Head Screw 3.0x6 MFZN2BL (EG330360)
Fig. 3
Floppy disk drive 3.5" FDD Floppy disk drive 3.5" FDD
[F40] [F40]
3