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Casio MA-100 Service Manual

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#
#
C
C
D
E
E
F
F
G
A
A
B
B
MA-100
100 TONES
KEYBOARD
WIND
STRING
00 PIANO
10 SAMBA WHISTLE
20 WARM STRINGS
30 ELEC BASS
01 ELEC PIANO
11 WHISTLE
21 STRINGS
31 WOOD BASS
02 FUNKY CLAVI
12 QUENA
22 VIOLIN
32 SNARE BASS
03 HARPSICHORD
13 FLUTE
23 VIOLIN-VIB
33 MANDOLIN
04 ELEC ORGAN
14 FLUTE-VIB
24 CELLO
34 BANJO
05 JAZZ ORGAN
15 OCARINA
25 ELEC GUITAR
35 SITAR
06 PIPE ORGAN
16 BAGPIPE
26 JAZZ GUITAR
36 UKULELE
07 CHURCH ORGAN
17 HARMONICA
27 MUTE GUITAR
37 HARP
08 STREET ORGAN
18 CHORUS
28 METAL GUITAR
38 TAISHOKOTO
09 ACCORDION
19 BRASS-STRINGS
29 SLAP BASS
39 SHAMISEN
MODE
VOLUME
POWER OFF
FINGERED
MIN
MAX
NORMAL
CASIO
CHORD
#
C
C
D E
E
F
CHORD
ELECTRONIC KEYBOARD
BRASS
PERCUSSION
SYNTH-SOUND
SOUND EFFECT
KEYBOARD SPLIT
40 BRASS ENS
50 VIBRAPHONE
60 SYNTH-CELESTA
70 GRASS HARMONICA
80 AIRPLANE
90 BASS/VIBRAPHONE
41 WARM BRASS
51 MARIMBA
61 SYNTH-CLAVI
71 FANTASY
81 AMBULANCE
91 BASS/PIANO
42 TRUMPET
52 CHURCH BELLS
62 SYNTH-ACCORDION
72 WAW VOICE
82 INSECT
92 BASS/TRUMPET
43 TUBA
53 BELLS
63 SYNTH-PIANO
73 TWINKLE ECHO
83 EMERGENCY ALARM
93 BASS/SYNTH-LEAD
44 BRASS HIT
54 TOM
64 SYNTH-BRASS
74 METAL LEAD
84 LASER BEAM
94 BASS/ELEC ORGAN
45 WIND ENS
55 ROCK DRUM
65 SYNTH-REED
75 PLUNK EXTEND
85 COSMIC SOUND
95 STRINGS/BRASS
46 ENGLISH HORN
56 SWING DRUM
66 SYNTH-LEAD
76 COSMIC DANCE
86 TELEPHONE
96 CHORUS/BELLS
47 OBOE
57 TRIANGLE
67 SYNTH-GUITAR
77 CATHEDRAL
87 CAR HORN
97 BRASS/SYNTH-REED
48 BASSOON
58 SAMPLE PERCUSSION
68 SYNTH-STRINGS
78 POP LEAD
88 COMPUTER SOUND
98 PIANO/FLUTE
49 CLARINET
59 MATSURI
69 SYNTH-BASS
79 PEARL DROP
89 MOTORCYCLE
99 STRINGS/OBOE
TEMPO
TONE/RHYTHM SELECT
TONE
0
1
2
3
4
POLY/TEXTURE
FILL-IN
START/
5
6
7
8
9
RHYTHM
DEMO
STOP
100 RHYTHMS
ROCK
16 BEAT
DISCO
DISCO
POPS
00 ROCK 1
10 16 BEAT 1
20 70'S DISCO
30 FUNK 1
40 POPS 1
01 ROCK 2
11 16 BEAT 2
21 EURO-BEAT 1
31 FUNK 2
41 POPS 2
02 HARD ROCK 1
12 16 BEAT 3
22 EURO-BEAT 2
32 FUNK 3
42 POPS 3
03 HARD ROCK 2
13 16 BEAT 4
23 EURO-BEAT 3
33 FUNK 4
43 POPS 4
04 HARD ROCK 3
14 16 BEAT 5
24 EURO-BEAT 4
34 FUNK 5
44 POPS 5
05 HEAVY METAL 1
15 16 BEAT 6
25 HIP-HOP 1
35 FUNK 6
45 30' POPS
06 HEAVY METAL 2
16 16 BEAT 7
26 HIP-HOP 2
36 FUNK 7
46 60' POPS 1
07 8 BEAT 1
17 16 BEAT 8
27 HIP-HOP 3
37 FUNK 8
47 60' POPS 2
08 8 BEAT 2
18 LATIN 16 BEAT 1
28 TECNO-POP 1
38 FUNK 9
48 60' POPS 3
09 8 BEAT 3
19 LATIN 16 BEAT 2
29 TECNO-POP 2
39 FUNK 10
49 60' POPS 4
OLDTIME ROCK
SWING
LATIN
VARIOUS
50 ROCK'N'ROLL 1
60 SWING 1
70 SAMBA 1
80 REGGAE 1
90 GALOP 1
51 ROCK'N'ROLL 2
61 SWING 2
71 SAMBA 2
81 REGGAE 2
91 GALOP 2
52 ROCK'N'ROLL 3
62 SWING 3
72 BOSSA NOVA 1
82 SALSA 1
92 MARCH 1
53 MERSEY BEAT
63 SWING 4
73 BOSSA NOVA 2
83 SALSA 2
93 MARCH 2
54 SLOW ROCK 1
64 BIG BAND 1
74 TANGO
84 SALSA 3
94 WALTZ 1
55 SLOW ROCK 2
65 BIG BAND 2
75 BEGUINE
85 FOLKLORE 1
95 WALTZ 2
56 SLOW ROCK 3
66 BIG BAND 3
76 MAMBO
86 FOLKLORE 2
96 CLASSICAL
57 DOO-WOP
67 JAZZ WALTZ
77 RUMBA
87 COUNTRY
97 ELEC CLASSICAL
58 RHYTHM & BLUES
68 TAP-DANCE BEAT
78 CHA-CHA-CHA
88 ENKA
98 STREET ORGAN
59 BLUES
69 BOOGIE-WOOGIE
79 HABANERA
89 POLKA
99 KOTO
MA-100

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  Summary of Contents for Casio MA-100

  • Page 1 MA-100 100 RHYTHMS 100 TONES KEYBOARD WIND STRING BRASS PERCUSSION SYNTH-SOUND SOUND EFFECT KEYBOARD SPLIT ROCK 16 BEAT DISCO DISCO POPS 00 PIANO 10 SAMBA WHISTLE 20 WARM STRINGS 30 ELEC BASS 40 BRASS ENS 50 VIBRAPHONE 60 SYNTH-CELESTA 70 GRASS HARMONICA...
  • Page 2: Table Of Contents

    SPECIFICATIONS GENERAL Number of keys: Polyphonic: 8-note Preset tones: Auto-rhythms: Auto-accompaniment: CASIO Chord/Fingered Demonstration tune: Classical Medley Built-in speakers: 8 cm dia. 1.1 W Input Rating: 1 pc. Terminal: AC Adapter Jack (DC 7.5 V) Power source: 2-way AC or DC source...
  • Page 3: Block Diagram

    KO0 ~ KO8 KI0 ~ Amplifier Filter AN8053N MSM6387-13 MSM6387- 22 Q101 IC101 LSI101 Speaker Keyboard AVDD Oscillator Q102, X101 Buttons CIRCUIT DESCRIPTION Key Matrix Tone Rhythm Tempo Tempo Down Start/ Fill-In Stop Demo CASIO Normal Fingered Chord — 3 —...
  • Page 4: Filter Block

    CPU (LSI101: MSM6387-13) Containing a sound data ROM and a DAC (Digital to Analog Convertor), the CPU provides sound waveform in accodance with the pressed key and the selected tone. The following table shows the pin functions of LSI101. Pin No. Terminal In/Out Function...
  • Page 5: Troubleshooting

    TROUBLESHOOTING No power Power indicator does not light up. Connect an AC adapter into the power jack. Does the keyboard work? Check contact at battery springs. Measure voltage at pin 16 of IC AN8053N. Replace D101. Is the voltage +6.8 V? Check contact of power switch.
  • Page 6 No sound Measure voltage at pin 13 of IC AN8053N. Is the voltage +5 V ? Measure voltage at pin 16 of IC AN8053N. Is the voltage +6.8 V? Follow flow chart of No Power. Measure voltage at pin 14 of IC AN8053N. Turning power on, measure voltage Is the voltage 0 V? at pin 3 of LSI MSM6387-13.
  • Page 7 Measure voltage at pins 22 ~ 30 of LSI MSM6387-13. Is the voltage +0.3 V? Touch pin 5 of LSI MSM6387-13 with test Replace LSI rod (+) of multimeter in resistance range, MSM6387-13. connecting test rod (-) to ground. Does the keyboard work? Is a noise made? Replace LSI MSM6387-13.
  • Page 8: Major Waveforms

    MAJOR WAVEFORMS 50 ns 2 ms – – CH1: 1V CH1: 5 V CH2: 5 V 1 Clock pulse COSI Clock pulse COSI 2 Key scan signal KO0 Key scan signal KO0 MSM6387-13 pin 8 MSM6387-13 pin 8 MSM6387-13 pin 30 MSM6387-13 pin 30 3 Key scan signal KO1 Key scan signal KO1...
  • Page 9: Schematic Diagrams

    SCHEMATIC DIAGRAMS — 9 —...
  • Page 10 — 10 —...
  • Page 11: Pcb View

    PCB VIEW Main PCB — 11 —...
  • Page 12: Exploded View

    EXPLODED VIEW — 12 —...
  • Page 13: Parts List

    PARTS LIST MA-100 Notes: This parts list does not include the cosmetic parts, which parts are marked with item No. "R-X" in the exploded view. Contact our spare parts department if you need these parts for refurbish. Prices and specifications are subject to change with- out prior notice.
  • Page 14 FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price IC101 2114 3269 IC, Power Amp. AN8053N LSI101 2011 2961 LSI, CPU MSM6387-13 Q101, 102 2220 1387 Transistor 2SC1740SQ-TP-T D101 2390 1323 Diode RB100A-T32-T D102 2390 0371 Diode DSK10B-BT-T D103 2310 7848 Zener diode RD4.
  • Page 15 MA0400761A...