Yamaha Portatone PSR-550 Service Manual page 37

PSR-550
OVERALL ASSEMBLY
420
10b
10e
70
20
40
220
3/5
30
210b
210a
420
210
Wheel
Assembly
L30
L20
L10f
L10c
L10d
L10
L10a
L10b
L50
320
340
Lower Case with Speaker
2
230
290
10d
420
80
90
280
100
220 5/5
420
140
110
220
4/5
420
470
150
220
2/5
50
420
170
L90
L40
L100
L90
L10g
L10e
L140
L130
L70
L130
L60
L90
L60
L90
420
220 1/5
250
350
310
260
430
300
490
450
430
120
160
140
60 10a
420
20
130
470
40
420
L30
L90
L10f
L20
L10c
L130
L80
430
440
360
510
470
390
420
10d
10c
10e
10
30
Upper Case Assembly
Keyboard Assembly
(See page 5.)
510
270
F50
F20
F10
440
F40
F60
F50
240
Floppy Disk Drive Assembly
330b
330a
330
Battery Cover Assembly
180
200
470
190
Music Rest
370
380
F50
F30
F40
460