Casio CPS-130 User manual

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.
(without price)
CPS-130
ELECTRIONIC KEYBOARD

— 2 —
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Key and switch Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Schematic Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PCB View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Major Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Electrical
Current drain with 9 V DC:
No Sound Output 80 mA ±20%
Maximum volume 350 mA ±20%
with any 10 keys pressed in Piano tone
Volume: Maximum, Sustain: ON
Phone output level (Vrms with 8 Ωload each channel) 87 mV ±20 %
with key C5 pressed in Piano tone, Volume: Maximum
Line output level (Vrms with 47 kΩload each channel) 470 mV ±20 %
with key C5 pressed in Piano tone, Volume: Maximum
Minimum operating voltage: 6.5 V
General
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]
Sustain jack, AC adapter Jack (DV 9 V)
Power source: DC: 6 D size dry batteries
Battery life: Approx. 10 hours (SUM-1/R20P)
AC: AC Adapter AD-5
Power consumption: 4.2 W
Dimensions (HWD): 116 x 970 x 364 mm
(4-5/8 x 38-1/4 x 14-3/8 inches)
Weight: 8.4 kg (18.5 lbs) including batteries
SPECIFICATIONS
CONTENTS

— 3 —
BLOCK DIAGRAM
OE
CE(AR18)
AR0 ~ AR17
IO0 ~ IO15
Main Clock
21.7251 MHz
Keys and Switches
KO4 ~ KO19
KI1 ~ KI8
CPU
CDT109-005 ROM
HN62414PD25
ROUT
LOUT
KO22
(APO)
VCCAVDDVDD
Power Amp.
LA4127
Output
Power IC
LA5668N
Filter (R)
M5218APR
Filter (L)
M5128APR
Speakers
Main Volume
Control
PG1
Reset IC
S8053ALR
DATA
BCK
WCK1
LRCK
DAC
LC7881C
DVDD
PG2
MIDI Clock
2 MHz
Reset

— 4 —
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
F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6
D#3
C2 D2 E2 F2 G2 A2 B2 C3 D3 E3
B1A1G1F1E1D1C1
C#3A#2G#2
F#2D#2
C#2
A#1
G#1F#1D#1
C#1
Nomenclature of Keys
KEY AND SWITCH MATRIX
KI1 KI2 KI3 KI4 KI5 KI6 KI7 KI8
KO4 C1 C#1 D1 D#1 E1 F1
KO5 F#1 G1 G#1 A1 A#1 B1
KO6 C2 C#2 D2 D#2 E2 F2
KO7 F#2 G2 G#2 A2 A#2 B2
KO8 C3 C#3 D3 D#3 E3 F3
KO9 F#3 G3 G#3 A3 A#3 B3
KO10 C4 C#4 D4 D#4 E4 F4
KO11 F#4 G4 G#4 A4 A#4 B4
KO12 C5 C#5 D5 D#5 E5 F5
KO13 F#5 G5 G#5 A5 A#5 B5
KO14 C6
KO16 Piano Jazzorgan Pipeorgan
KO18 Power OFF Power ON
KO19 (Sustain)
Harpsi-
chord Vibra- phone
Demon-
stration

— 5 —
PCB M5312-MA1M SCHEMATIC DIAGRAMS
12 14 9 11
8 10
15
13
,
,
1
6
7
4
5
32
Power IC
PG2
Power
Amp. PG1
C P U
ROM
Reset IC
DAC
Filter

— 6 —
PCB M5312-CN1M

— 7 —
PCBs M615K-KY1M, KY2M

— 8 —
PCB VIEW
67354
1
2
8, 109, 1113, 15
12,14

— 9 —
MAJOR WAVEFORMS
Signal MI
CDT109-005 pin 6
Power ON
1
DATA
LC7881C pin 8
4
BCK
LC7881C pin 9
5
LRCK
LC7881C pin 6
6
WCK1
LC7881C pin 7
7
Key scan signal KO9
CDT109-005 pin 44
2
Key scan signal KO19
CDT109-005 pin 34
3
DAC output: LC7881C pin 1
8
DAC output: LC7881C pin 20
Tone: Flute
Key: A3
9
DAC output: LC7881C pin 1
0
DAC output: LC7881C pin 20
Tone: Piano
Key: A3
A
1
4
5
9
80
A
7
6
2
3

— 10 —
TROUBLESHOOTING
Nature of Trouble Faulty Block Checkpoint
No power Power IC (LA5668N) Pin 2 should have +9 V.
Power jack Jack contact.
No sound at all Power IC (LA5668N) Pin 6 should have +5 V.
Power amp (LA4127) Check output signals of pins 1 and 20.
Main clock generator Check oscillation at pin 105 of CPU.
CPU (CDT109-005) Pin 6 should receive a trigger pulse when
turning on the power switch.
ChecksignalsDATA,BCLK, WCK1and LRCK
of pins 107, 109, 111, and 112.
ROM (HN62414PD25) Check address/data bus.
Reset IC (S8053ALR) Pin 1 should provide a low level pulse when
the AC adapter is connected.
Key and switch matrix Open circuit on KO or KI line.
Key and switch matrix Dust on the con tact.
Distorted sound Power IC (LA5668N) Check voltages of pins 2 (+9 V) and 6 (+ 5 V).
ROM (HN62414PD25) Check address/data bus.
CPU (CDT109-005)
Certain keys or switches
do not function
Acertainkeyorswitchdoes
not function
Filter output: M5218APR-1 pin 1
B
Filter output: M5218APR-1 pin 7
Tone: Piano
Key: A3
C
C
B
Filter output: M5218APR-1 pin 1
D
Filter output: M5218APR-1 pin 7
Tone: Flute
Key: A3
E
E
D

— 11 —
EXPLODED VIEW
24
3
19-1 16
15
23
17
13
18
6
789
14
10
11 12 10
8
1
4
23
2
20
21
22
19
19-2
5

Notes: 1. Prices and specifications are subject to change with-
out prior notice.
2. As for spare parts order and supply, refer to the
"GUIDEBOOK for Spare parts Supply", published
seperately.
3. The numbers in item column correspond to the same
numbers in drawing.
PARTS LIST
CPS-130

FOB Japan
N Item Code No. Parts Name Specification Q M N.R.Yen R *
Unit Price
Main PCB Ass'y
2010 7294 LSI LC7881C 1 1 A D
2010 9968 LSI CDT109-005 1 1 A N
2011 0378 LSI HN62414PD25 1 1 A M
2114 0070 Monolithic IC LA4127 1 1 A C
2114 1302 Monolithic IC LA5668N 1 1 A B
2114 1799 Monolithic IC M5218APR 1 1 A A
3850 1216 MOS IC S8053ALR 1 1 A B
2220 1409 Transistor 2SC1740SR-TP-T 1 10 A A
2259 0056 Digital transistor DTA114YS-TP-T 1 10 A A
2301 0275 Diode 1SS176-TPA7-T 9 20 B A
2310 7848 Zener diode RD4.3ESB2-T1-T 1 10 B A
2360 0903 Zener diode RD4.7JSB3-T1-T 1 10 B A
2390 0112 Variable capacitor SVC201SPA 1 5 C B
2390 0378 Diode 1SR139-100T-32-T 1 10 C A
2590 0595 Ceramic oscillator EFO-GC4004A4C 1 1 B B
2606 0014 Carbon film resistor R-20-15-J-T24-T 4 20 C A
2606 0315 Carbon film resistor R-20-3.3-J-T24-T 2 20 C A
2609 0182 Carbon film resistor R-20-100-J-T24-T 10 20 C A
2617 0052 Carbon film resistor R-20-1K-J-T24-T 2 20 C A
2617 0087 Carbon film resistor R-20-4.7K-J-T24-T 2 20 C A
2617 0095 Carbon film resistor R-20-10K-J-T24-T 7 20 C A
2617 0141 Carbon film resistor R-20-100K-J-T24-T 1 20 C A
2617 0192 Carbon film resistor R-20-1.8K-J-T24-T 2 20 C A
2617 0271 Carbon film resistor R-20-5.6K-J-T24-T 1 20 C A
2617 0273 Carbon film resistor R-20-22-J-T24-T 4 20 C A
2617 0297 Carbon film resistor R-20-22K-J-T24-T 1 20 C A
2617 0386 Carbon film resistor R-20-330-J-T24-T 1 20 C A
2617 0491 Carbon film resistor R-20-330K-J-T24-T 1 20 C A
2770 6860 Volume K121K0Z1B-100KB 1 5 B B
2801 7910 Electrolytic capacitor 16RE3-470-T2-T 2 10 C A
2805 3142 Electrolytic capacitor 16RE2-10-T2-T 3 10 C A
2805 3169 Electrolytic capacitor 6.3RE2-47-T2-T 3 10 C A
2807 0926 Electrolytic capacitor 10RE2-470-T2-T 2 10 C A
2807 0985 Electrolytic capacitor 16RE2-220-T2-T 1 10 C A
2807 1015 Electrolytic capacitor 16RE2-47-T2-T 2 10 C A
2807 1091 Electrolytic capacitor 6.3RE2-100-T2-T 3 10 C A
2807 1112 Electrolytic capacitor 10RE2-100-T2-T 2 10 C A
2813 1302 Semiconductive capacitor RT-B90TKYR104K-T 4 10 C A
2813 1309 Ceramic capacitor RT-HE60TKCH510J-T 1 20 C A
2813 1393 Semiconductive capacitor RT-C40TKYR222K-T 2 10 C A
2813 1400 Semiconductive capacitor RT-C50TKYR562K-T 2 20 C A
2818 0365 Ceramic capacitor RT-HE50TKYB102K-T 2 20 C A
2818 0446 Ceramic capacitor RT-HE40TKYB101K-T 5 20 C A
2818 0486 Ceramic capacitor RT-HE80TKCH121J-T 1 20 C A
2818 0494 Ceramic capacitor RT-HE80TKSL331J-T 2 20 C A
2818 0543 Ceramic capacitor RT-HE40TKYB561K-T 8 20 C A
2818 2082 Ceramic capacitor RT-HE70TKYF103Z-T 10 20 C A
2818 3283 Ceramic capacitor RT-HE50TKCH300J-T 1 20 C A
2830 6229 Mylar capacitor AMZV-104K50-T 2 10 C A
2845 0280 Ferrite beads EXC-ELDR35C 5 10 C A
2845 1372 Three polarity capacitor EXC-ECT103MBC 2 10 C A
3025 0203 EMI filter EXC-EMT222DC 4 10 C A
3501 7049 DC jack HEC2305-01-330 1 5 B A
Notes: N – New parts
M – Minimum order/supply quantity
R – Rank — 13 —

FOB Japan
N Item Code No. Parts Name Specification Q M N.R.Yen R *
Unit Price
3612 0711 Miniature jack YKB21-5101 1 1 B B
3612 0789 Jack YKB21-5010 1 1 B B
3841 0476 Coil L2P-7L 1 1 C A
3841 0539 Inductor ELE-V100KR-T 2 5 C A
N 4317 0681 Blank PCB M5312-MA1M M110524A-1 1 1 C C
N 1 6916 7270 PCB ass'y M5312-MA1M M110510*1 1 1 B Z
Console PCB Ass'y
2320 9764 LED LN251RPP.WE 1 10 C A
2765 0952 Slide volume EWA-NAXCH1B23 1 1 B B
3410 1728 Tact switch EVQ-QS205K 6 10 B A
3420 0050 Slide switch SSE-22FP 1 1 B B
3725 1911 PC joiner M312B JSF00-19-100M 1 1 C A
4317 0710 Blank PCB M5312-CN1 M210607-1 1 1 C B
6910 1161 Sponge M4630A-4 1 10 C A
N 2 6916 7290 PCB ass'y M5312-CN1 M310801*1 1 1 C D
Keyboard PCB Ass'y
2301 0101 Diode 1S2473-T-77-T 61 20 C A
N 3725 1925 PC joiner M615KB JPSS00-4-40 1 1 C A
N 3725 1932 PC joiner M312A JSF00-17-250M 1 1 C B
N 3725 1981 PC joiner M615KA JPSS00-7-40 1 1 C A
4317 0690 PCB-M615K-KY1M M110525-1 1 1 C C
4317 0700 PCB-M615K-KY2M M210608-1 1 1 C B
6907 7410 Sponge M42696-2 1 5 C A
N 3 6906 7462 Keyboard PCB ass'y M110509*1 1 1 C F
Keyboard Unit
N 4 6916 9942 Reinforcement plate 312 M210671B-1 1 1 C C
N 5 6906 6871 Front panel sub ass'y M310809*3 1 1 C I
6 6912 4400 Key spring 144 M42306-2 61 20 C A
7 6915 3923 Black key M310538C-1 25 1 B A
8 6915 3931 White key CF M310418A-1 10 1 B B
9 6915 3941 White key D M310419A-1 5 1 B B
10 6915 3951 White key BE M310420A-1 10 1 B B
11 6915 3961 White key G M310421A-1 5 1 B B
12 6915 3971 White key A M310422A-1 5 1 B B
13 6915 3981 White key SE M310423A-1 1 1 C B
14 6915 7171 Key stopper TR61 M410720A-1 1 1 C B
6904 0600 Black key seal M31462-1 5 10 C A
6913 8051 Lug terminal M32711A-8 1 10 C A
6915 5320 Sponge KB M410665-1 4 5 C A
N 6916 9080 Sponge KB S2 M410964-1 1 5 C A
15 6916 7381 Frame 312 M110350A-1 1 1 C C
N 16 6916 7391 Contact rubber KY312A M310793A-1 4 1 B B
N 17 6916 7401 Contact rubber KY312B M310794A-1 1 1 B B
Case Unit
N 18 6922 3420 Keyboard cover sub ass'y M310891*3 1 1 B J
N 19 6922 6110 Upper case sub ass'y M210593*3 1 1 C T
19-1 6916 7430 Metal plate M210565-1 1 1 C B
19-2 6916 7450 Battery cover 235 M210564-1 1 1 B B
6921 5150 Lower key stopper 312 M412120-1 1 1 C B
6902 6140 Battery spring (-) 90 M41226-1 1 10 C A
6903 0461 Battery spring (+) M41328A-1 1 10 C A
N 6916 9101 Upper key stopper 312 M410963A-1 1 1 C B
20 6908 9580 Slide knob M31359-14 2 5 B A
21 6912 6324 Key top 149 M32440D-27 1 10 C A
Notes: N – New parts
M – Minimum order/supply quantity
R – Rank — 14 —

FOB Japan
N Item Code No. Parts Name Specification Q M N.R.Yen R *
Unit Price
22 6912 6464 Key top 149 M32440D-45 1 10 C A
23 3831 0140 Speaker 1211AF4 2 1 B J
N 24 6916 7343 Lower case sub ass'y M210601C*1 1 1 C K
N 6911 5530 Sponge 50X30 M42106-1 1 5 C A
3719 2030 Ribbon cable M312S DF0H02090-35353535 1 1 C B
N 3719 2163 Ribbon cable M312R-1 DF5H02380-35353535 1 1 C A
Screws
0009 2680 Screw 4X8 7 50 C A
0009 2681 Screw with washer 4X8 10 50 C A
0009 2682 Screw 2.6X8 28 50 C A
0009 2683 Screw 3X6 8 50 C A
0009 4090 Screw 6X12 13 50 C A
5111 1362 Screw 3X8 36 50 C A
5111 5121 Screw 4X8 13 50 C A
Notes: N – New parts
M – Minimum order/supply quantity
R – Rank — 15 —

8-11-10, Nishi-Shinjuku
Shinjuku-ku, Tokyo 160, Japan
Telephone: [phone] Sep, 1994