Casio SK-1 Service Manual

Ref.
No.
Description
Radio Shack
Part Number
1
Manufacturer's
Part Number
LSIs
LSI1
CPU. MSMe283-01G5 MX-7287 2010 0035
LSI2 ROM.
;iPO23C256EAC*0n
MX-7299
2010 0896
LSI3, LSI4
RAM.
MR04168C-1
5.20
MX-7300
2010
0056
Potentiometer
VR1 Volume,
lOkohm, EWA-MK0C25814 P-7948
2770 9800
Resistors
R1.R2
Carbon film 68ohm 1/2W
R3
Carbon film 56kohm 1/5W
R4
Carbor^ film 47kohm 1/5W
R5
Carbon film
68Kohm
1/5W
R6
Carbon film
56kohm
1/5W
R7
Carbon film
33kohm
1/5W
R8
'
Carbon
film Ikohm 1/5W
R9
1
Carbon film
120kohm
1/5W
RIO
Carbon film 15kohm 1/5W
R11
Carbon film
Ikohm 1/5W
R12
'
Carbon
film 2.2kohm 1/5W
R13
Carbon film lOkohm 1/5W
R14.R15
Carbon film
2.2kohm
1/5W
R16
Carbon film 120
kohm 1/5W
R17
j
Carbon film 1
0Okohm 1/5W
R18
Carbon film 330ohm 1/5W
R19--R21
Carbon film Ikohm 1/SW
R22
Carbon film
lOOkohm 1/5W
R23
Carbon
film 68kohm 1/5W
R24. R25
Carbon film lOkohm 1/5W
R26
Carbon film
3^ohm 1/5W
R27
Carbon film
6.8kohm 1/SW
R28
Carbon film
ISkohm 1/SW
R29
Carbon film
560kohm 1/SW
R30. R31
Carbon
film 22kohm
1/5W
R32
Carbon film
lOOkohm 1/5W
R33
1
Carbon film
Ikohm 1/SW
R34'-R37
Carbon film
lOOkohm 1/5W
R38
'
Carbon film
1
2.2kohm 1/SW
R39'-'R41
Carbon film
ISkohm 1/5W
R42
Carbon film
lOkohm 1/5W
R43.
R44
'
Carbon film
lOOkohm 1/5W
±5%
N-0111EFC 0002 9176
±5%
N 0345EQC 0002 8957
iS% N0340EQC 0002 8731
±S% N0354EQC 0002
8947
£5%
N 0345EQC
0002 8957
£5% N
0324EQC
0002 8730
£5%
'
N-0196EQC 0002 8726
±5% N.0375EOC 0002 8953
±5%
N'0297EQC
0002 9002
£6% N-0196EQC 0002
8726
£5%
N-0216EQC
0002 8727
±S% N-0281EQC
0002 8729
£$%
N-0216EQC
0002 8727
15% N-0375EQC 0002 8953
±5%
N-0371EQC
0002 8733
£5%
N-0410EOC
0002 9104
±5%
'
1
N-0196EQC 0002
8726
1
±5%
N-0371EOC
0002 6733
£5% N-0354EQC 0002
8947
±5% N0281EQC 0002
8729
±5%
N-0324EQC
0002 8730
±5% N'0262EQC 0002
9021
£$% N-0297EQC
0002 9002
£5% N-0429EQC
0002 8958
£5% N-0311EQC
0002 8956
±5% N-0371EQC
0002 8733
±5% N0196EQC
0002 8726
±5% N-0371EQC
0002 8733
±5%
N-0216EQC
0002
8727
15%
N0297EQC
0002 9002
15% N-0281EQC
0002 8729
±5% N-0371EQC
0002
8733

Casio SK-1 Specifications

General

Polyphony	4-note
Keys	32 mini keys
Sampling Time	1.4 seconds
Built-in Speaker	Yes
Type	Sampling Keyboard
Release Year	1985
Power Supply	AC adapter
Effects	Vibrato
Output	Headphones