Yamaha PORTATONE KB-280, Service Manual

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KB-280
7
30
40
50
130
220
L40
150c
WH153
WH155
WH551
WH553
WH556
WH853
WH855
WH771
WH772
WH774
WH775
Lower Case
Assembly
LCD Unit
Keyboard Assembly
AM
Circuit Board
MIDI
Circuit Board
PB Circuit Board
PNR
Circuit Board
PNL
Circuit Board
*1
*1
*1
*2
*2
*2
*2
*2
*1
*3
*3
*3
*3
*3
*3
*3
*3
*3
*3
*3 *4
*4
*4
*5
*5
*6
*6
*7
*4
*4
*4
*4
*4
*4
*4
*4
*4
*4
*4
*4 *1
*1
*1
*1
*1
*1
*1
*1
*3
*1
*3
*2
*2
*1
*1
*1
*3
*1
*3
*4
*4
*4
*6
*6
*6
*4
*4
*4
*4
*4
*7
*7
*4
*4
*4
*4
*4
*4
q
w
e
r
t
-1
t
-2
y
u
i
o
!0
!1
!2
!3
!4
!5
!6
!7
!8
MK3
MK2
MK1
BAT
SPL
BL
STB2
AMDM
VR3
TW2
TW3
JK1
PB3
PNR
PN7
PN6
PN8
61L-CN5
61H-CN2
61H-CN2
Spring Terminal (+)
Spring Terminal (–)
Speaker L
Speaker R
Back Light Assembly
61H-CN3
AM-CN153
AM-CN155
AM-CN551
AM-CN553
MIDI-CN556
MIDI-CN853
PB-CN855
PNR-CN771
PNR-CN772
PNL-CN774
PNL-CN775
DMLCD-CN402
DMLCD-CN403
DMLCD-CN401
AM-CN151
AM-CN554
MIDI-CN555
AM-CN152
61L-CN4
AM-CN154
DMLCD-CN101
AM-CN552
TWL +/–
TWR +/–
DMLCD-CN803
PNL-CN777
DMLCD-CN701
PNR-CN773
DMLCD-CN703
PNL-CN776
7P L=550
5P L=500
12P L=600
3P
2P
2P
2P L=70
12P L=210
4P L=230
13P L=120
5P L=230
2P L=380
2P L=410
9P L=90
3P L=100
16P L=170
7P L=170
16P L=200
6P L=320
WC601200
WG343000
WC601000
(V873560)
(WG32410)
(WC60260)
V8696200
(WG33270)
(WG33120)
(WG33260)
(WG34260)
(WG34270)
(WG33110)
(WG33160)
(WG33210)
(WG33230)
(WG33220)
(WG33240)
*The parts with “( )” in “Part No.” are not available as spare parts.
*1: Installation
*2: Manual soldering
*3: Dip soldering
*4: Edge mark is adjusted to Pin 1 mark ( mark).
*5: Red wire is connected to (+) terminal. Black wire is connected to (–) terminal.
*6: Red wire is adjusted to Pin 1 mark ( mark).
*7: Edge mark is adjusted to + mark.
Location Parts No. Destination Remarks
Connector
Assembly
No. Unit Name
Caution: Be sure to attach the removed filament tape just as it was before removal.