Casio keyboard service manuals

By hardware family:

Directory Description
fr Fujitsu FR series (AIF Sound Source)
h8300 Hitachi H8/300 CPU + HG51B DSP (A² Sound Source)
h8500 Hitachi H8/500 CPU + HG51B DSP (A² Sound Source)
ml6756 OKI ML6756
ml6763 OKI ML6763 (HL Sound Source)
msm6283 OKI MSM6283 (SK series)
msm6387 OKI MSM6387 (SA series)
msm6521 OKI MSM6521 (ML-1/2/3)
msm6567 OKI MSM6567 (CTK-450)
msm6626 OKI MSM6626 (CTK-500)
msm6755 OKI MSM6755
upd800k NEC µPD800468 (AHL Sound Source)
upd91x NEC µPD912/913/915 aka Casio GT913/915 (A² Sound Source)
upd914 NEC µPD914 (ZPI Sound Source)
upd931 NEC µPD930/931 (Vowel-consonant synthesis)
upd932 NEC µPD932 (CT-6000)
upd933 NEC µPD933 (CZ series)
upd934 NEC µPD934 (RZ-1)
upd935 NEC µPD935 (HT series)
upd93x NEC µPD937/938 aka Casio CDT109 (CD / Super CD Sound Source)
v850 NEC V850 + µPD914 (ZPI Sound Source)

By model:

Model Date of publication
AL-100R/150R 2001/04 (revised 2005/02)
AP-10 1996/01
AP-20 1996/01
AP-21 1999/05 (revised 2002/09)
AP-22S 1998/04
AP-24 2004/06
AP-25/28 2001/04
AP-38 2002/09 (revised 2004/11)
AP-40 2000/08 (revised 2000/10)
AP-60R 1999/06
AP-65R 2001/05
AP-80R 2004/09
AP-200 2008/02 (revised 2008/08)
AP-500 2007/01
AP-620 2009/09 (revised 2010/01)
AT-1 1995/05
AT-3 2010/11
AT-5 2010/11
CA-100 1990/04
CDP-100 2005/08
CDP-120 2011/07 (revised 2012/12)
CDP-130 2014/01
CDP-200R 2008/07
CPS-7 1995/09
CPS-85 1997/07
CPS-130 1994/09
CT-405
CT-470 1990/02
CT-640 1988/05
CT-650
CT-670 1990/03
CT-788C 2002/02
CT-870 1996/09
CT-888C 2002/07
CT-6000 1984/09
CTK-50 1995/04
CTK-100 1994/03
CTK-220L 1996/11
CTK-230 2003/09 (revised 2004/01)
CTK-330 1996/08
CTK-401 1997/06
CTK-411 1998/03
CTK-431 1999/02
CTK-450 1994/02
CTK-480 1996/05
CTK-481 2005/03
CTK-485 1998/02
CTK-496 2004/06 (revised 2005/02)
CTK-500 1994/03
CTK-501 1997/06
CTK-511 1998/03
CTK-520L 1996/08
CTK-530 1995/07
CTK-531/533 1999/02
CTK-541 1999/07
CTK-573 2001/07
CTK-591 2003/04
CTK-601 1997/04
CTK-611 1998/03
CTK-620L 1997/11
CTK-630 1995/08
CTK-631 1999/02
CTK-650 1994/02
CTK-651 2000/02
CTK-671 2001/06 (revised 2001/09)
CTK-680 1997/01
CTK-691 2003/06 (revised 2006/09)
CTK-710 2006/04 (revised 2007/03)
CTK-711EX 1998/07
CTK-731 1999/07
CTK-750 1994/03
CTK-800 2005/06 (revised 2009/12)
CTK-810 2007/04
CTK-811EX 1998/07
CTK-900 2005/05 (revised 2007/11)
CTK-1100 2010/07 (revised 2012/01)
CTK-2000 2008/05 (revised 2008/11)
CTK-2080 2011/07 (revised 2012/02)
CTK-2200 2011/07 (revised 2012/02)
CTK-4000 2008/07 (revised 2008/12)
CTK-4200 2011/07
CTK-5000 2008/08 (revised 2009/04)
CZ-1 1986
CZ-101 1985/01
CZ-1000 1985/02
CZ-5000 1985/06
GZ-5 1995/07
GZ-50M 1995/07
GZ-500 1995/08
HT-3000 1987/01
HT-6000 1987/09
LK-50 2000/06 (revised 2003/12)
LK-73 2002/07
LK-80 1999/11 (revised 2002/09)
LK-90TV 2004/06 (revised 2005/06)
LK-100 2006/05 (revised 2007/12)
LK-120 2010/07 (revised 2012/01)
LK-125 2010/09 (revised 2012/01)
LK-127 2013/03
LK-300TV 2006/05
M-100 1994/08
M-200 1994/08
M-300 1995/09
MA-100 1996/04
ML-1 1994/07
ML-2 1994/07
ML-3 1996/06
MT-65/68, MT-100
MZ-2000 2000/05
PK-5 1994/05
PX-3 2010/05 (revised 2011/05)
PX-110 2005/08 (revised 2009/02)
PX-130 2009/07 (revised 2011/01)
PX-330 2009/08 (revised 2011/09)
PX-700 2005/09 (revised 2010/01)
PX-720 2007/09 (revised 2015/10)
PX-830 2009/10 (revised 2010/03)
RZ-1 1986/04
SA-5 1993/03
SA-21 1991/03
SA-40 1995/04
SA-65 1997/06
SK-1 1985
SK-2 1988
SK-5 1987/03
SK-8 1987/03
SK-60 1996/06
WK-220 2011/06 (revised 2014/07)
WK-240 2014/06 (revised 2014/07)
WK-1200 1997/06
WK-1500 1996/09
WK-1800 2000/05 (revised 2007/04)
WK-3300 2006/06
WK-3700 2005/05
WK-3800 2006/06