(without price)
CPS-130
CPS-130 is similar to CPS-100. Refer to the CPS-100 service manual for the circuit description that are not covered in this manual.
CPS-130
INDEX |
ELECTRIONIC KEYBOARD |
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CONTENTS |
Specifications . . . . . . . . . |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 |
Block Diagram . . . . . . . . |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 |
Key and switch Matrix . . . |
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Schematic Diagrams . . . . |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 |
PCB View . . . . . . . . . . . . |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 |
Major Waveforms . . . . . . . |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 |
Troubleshooting . . . . . . . |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 |
Exploded View . . . . . . . . . |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 |
Parts List . . . . . . . . . . . . |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 |
SPECIFICATIONS
General |
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Number of keys: |
61 |
Polyphonic: |
10-note |
Preset tones: |
5, including: Piano, Harpsichord, Vibraphone, Jazz organ, Pipe organ |
Demonstration tune: |
Ballade Pour Adeline |
Tuning control: |
442 Hz ±30 cents |
Built-in speakers: |
12.0 cm dia. 1.1 W Input Rating: 2 pcs. |
Terminals: |
Output jack [Output impedance:30 Ω, Output voltage: 1.2 V (rms) MAX] |
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Sustain jack, AC adapter Jack (DV 9 V) |
Power source: |
DC: 6 D size dry batteries |
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Battery life: Approx. 10 hours (SUM-1/R20P) |
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AC: AC Adapter AD-5 |
Power consumption: |
4.2 W |
Dimensions (HWD): |
116 x 970 x 364 mm |
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(4-5/8 x 38-1/4 x 14-3/8 inches) |
Weight: |
8.4 kg (18.5 lbs) including batteries |
Electrical
Current drain with 9 V DC: |
80 mA ± 20% |
No Sound Output |
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Maximum volume |
350 mA ± 20% |
with any 10 keys pressed in Piano tone |
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Volume: Maximum, Sustain: ON |
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Phone output level (Vrms with 8 Ω load each channel) |
87 mV ± 20 % |
with key C5 pressed in Piano tone, Volume: Maximum |
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Line output level (Vrms with 47 kΩ load each channel) |
470 mV ± 20 % |
with key C5 pressed in Piano tone, Volume: Maximum |
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Minimum operating voltage: |
6.5 V |
— 2 —
— 3 —
BLOCK DIAGRAM
Output
Main Volume
Control
Filter (R)
M5218APR
Power Amp.
LA4127
Filter (L)
M5128APR
Speakers
VDD DVDD AVDD VCC
Power IC
LA5668N
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Keys and Switches |
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KI1 ~ KI8 |
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KO4 ~ KO19 |
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Reset IC |
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S8053ALR |
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ROUT |
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DATA |
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Reset |
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DAC |
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LC7881C |
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CE(AR18) |
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LOUT |
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BCK |
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CPU |
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OE |
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WCK1 |
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ROM |
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LRCK |
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CDT109-005 |
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AR0 ~ AR17 |
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HN62414PD25 |
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KO22 |
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IO0 ~ IO15 |
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(APO)
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PG2 |
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PG1 |
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MIDI Clock |
Main Clock |
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2 MHz |
21.7251 MHz |
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KEY AND SWITCH MATRIX
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KI1 |
KI2 |
KI3 |
KI4 |
KI5 |
KI6 |
KI7 |
KI8 |
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KO4 |
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C1 |
C#1 |
D1 |
D#1 |
E1 |
F1 |
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KO5 |
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F#1 |
G1 |
G#1 |
A1 |
A#1 |
B1 |
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KO6 |
Demon- |
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C2 |
C#2 |
D2 |
D#2 |
E2 |
F2 |
stration |
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KO7 |
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F#2 |
G2 |
G#2 |
A2 |
A#2 |
B2 |
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KO8 |
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C3 |
C#3 |
D3 |
D#3 |
E3 |
F3 |
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KO9 |
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F#3 |
G3 |
G#3 |
A3 |
A#3 |
B3 |
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KO10 |
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C4 |
C#4 |
D4 |
D#4 |
E4 |
F4 |
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KO11 |
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F#4 |
G4 |
G#4 |
A4 |
A#4 |
B4 |
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KO12 |
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C5 |
C#5 |
D5 |
D#5 |
E5 |
F5 |
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KO13 |
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F#5 |
G5 |
G#5 |
A5 |
A#5 |
B5 |
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KO14 |
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C6 |
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KO16 |
Piano |
Harpsi- |
Vibra- |
Jazzorgan |
Pipeorgan |
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chord |
phone |
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KO18 |
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Power OFF |
Power ON |
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KO19 |
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(Sustain) |
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Nomenclature of Keys
C#1 D#1 |
F#1 G#1 A#1 |
C#2 D#2 |
F#2 G#2 A#2 |
C#3 D#3 |
F#3 G#3 A#3 |
C#4 D#4 |
F#4 G#4 A#4 |
C#5 D#5 |
F#5 G#5 A#5 |
C1 |
D1 |
E1 |
F1 |
G1 |
A1 |
B1 |
C2 |
D2 |
E2 |
F2 |
G2 |
A2 |
B2 |
C3 |
D3 |
E3 |
F3 |
G3 |
A3 |
B3 |
C4 |
D4 |
E4 |
F4 |
G4 |
A4 |
B4 |
C5 |
D5 |
E5 |
F5 |
G5 |
A5 |
B5 |
C6 |
— 4 —
SCHEMATIC DIAGRAMS
PCB M5312-MA1M
Power IC
PG2
Power
Amp.
PG1 |
3 |
2 |
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C P U
12 |
14 |
9 |
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8 , 10 |
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Filter |
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1 |
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DAC |
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13 15 |
Reset IC |
ROM |
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6 |
4 |
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7 |
5 |
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— 5 —
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