Casio Privia PX-110 User manual

ELECTRONIC KEYBOARD
PX-110
AUG. 2005
PX-110
Ver.4: Feb. 2009
INDEX

CONTENTS
Specifications ---------------------------------------------------------------------------------------------- 1
Block Diagram --------------------------------------------------------------------------------------------- 2
Circuit Description --------------------------------------------------------------------------------------- 3
Printed Circuit Board ------------------------------------------------------------------------------------ 5
Disassembly ------------------------------------------------------------------------------------------------ 7
Diagnostic Program------------------------------------------------------------------------------------ 12
Schematic Diagrams----------------------------------------------------------------------------------- 14
Exploded View ------------------------------------------------------------------------------------------- 21
Parts List--------------------------------------------------------------------------------------------------- 22

— 1 —
SPECIFICATIONS
GENERAL
Keyboard: 88 piano keys (with touch response)
Polyphony: 32 notes, maximum
Tones: 11; with layer, split
Digital Effects: Reverb (4 types), Chorus (4 types), DSP, Brilliance
Metronome: • Time Signatures: 0, 2, 3, 4, 5, 6
• Tempo Range: 30 to 255
Auto Accompaniment: • Number of Rhythms:20
• Tempo Range: 30 to 255
• Controllers: START/STOP, INTRO/ENDING, SYNCHRO/FILL-IN
• Modes: Normal, CASIO CHORD, FINGERED, FULL RANGE CHORD
• Accompaniment Volume: Adjustable
Music Library: • Number of Tunes: 60
• Tune Volume: Adjustable
• Demo: Sequential looping of all 60 preset tunes
• Part On/Off: Left hand, right hand
Song Memory: • Operations: Real-time recording, playback
• Capacity: Approximately 10,000 notes (2 tracks total)
• Memory Backup: Built-in lithium battery (Battery Life: 5 years)
Pedals: Damper, Soft/Sostenuto (Selectable)
Other Functions: • Touch: 3 types, off
• Transpose: 1 octave (Fto C to F)
• Tuning: A4 = 440.0Hz ±50 cents (adjustable)
MIDI: 16 multi-timbre receive
Input/Output: • Headphones: Stereo mini jacks x 2
Output Impedance: 170Ω
Output Voltage: 5.5V (RMS) MAX
• Pedal: Standard jacks x 2
• Power: 12V DC
• MIDI (OUT) (IN)
• Pedal connector (for optional SP-30 only)
Speakers: (12cm x 6cm OVAL) x 2 (Output: 8.0W + 8.0W)
Power Supply: AC Adaptor: AD-12
Power Consumption: 12V 18W
Dimensions: 132.3 x 27.8 x 13.2 cm (52 1/16 x 10 15/16 x 5 3/16 inch)
Weight: Approximately 11.9 kg (26.2 lbs)
• Design and specifications are subject to change without notice.
ELECTRICAL
Load condition
Current drain with 12 V DC:
Speaker: 6 ΩReal Load
Volume: maximum
Tone: STRINGS
Keys: A1 - C4, 32poly
Consumption Current 1750 mA ±20 %
Consumption Current at idle 220 mA ±20 %
Speaker output level (Vrms with 6 Ωload each channel):
Tone: TEST MODE (Sin wave MAX)
Velocity: maximum L ch: 3450 mV ±20 %
R ch: 3400 mV ±20 %
Phone output level (Vrms with 32 Ωload each channel):
Tone: TEST MODE (Sin wave MAX)
Velocity: maximum L ch: 415 mV ±20 %
R ch: 420 mV ±20 %

— 2 —
BLOCK DIAGRAM
RAM (1Mbit)
IC3
CY62128DV30LL
Reset IC
IC5
R1151N001C-TR RESET
16.384MHz
EA0 ~ EA15,EA18
ED12 ~ ED19
MA0 ~ MA20
MD0 ~ MD7
Power Amplifier
IC201
LA4636
Filter
IC8, IC13
DAC IC15
µPD63200GS-E1
FLASH ROM (2Mbit)
IC4
LP62S2048A
ROM (128Mbit)
IC1
MR27V6402G19PTN
MA0 ~ MA22
MD0 ~ MD15
MA0 ~ MA3
MD0 ~ MD15
KEY CONTROLLER
IC14
TC190C020AF-001
Buttons CONTROLLER
IC601
uPD65881GK-1019ETA
Keyboard
Power Supply Circuit
IC202,Q206,Q207,
D206,D207
(12V)
VA12
(5V)
VD5
(5V)
VA5
(5V)
VI5
MA0 ~ MA16, 25
Speakers
(L) (R)
Main
Volume
CONSOLE PCB
(M404-CNB4)
Keyboard PCB
(MCPZ-KYA1/KYB2/KYA3)
CONSOLE PCB
(M404-CNA1)
CONSOLE PCB
(M404-CNB2/CNB3)
SUB PCB
(M404-MA2)
JACK PCB
(M404-JKB1)
JACK PCB (M404-JKA1)
MAIN PCB (M404-MDA1)
MPU
IC7
uPD914AGM-JED
Buttons
SI0 ~ SI7 FI0 ~ FI7
LOUT ROUT
D201
KC0 ~ KC7

—3 —
CIRCUIT DESCRIPTION
KEY MATRIX
KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7
FI0 A01A0#1B01C11C1#1D11D1#1E11
SI0 A02A0#2B02C12C1#2D12D1#2E12
FI1 F11F1#1G11G1#1A11A1#1B11C21
SI1 F12F1#2G12G1#2A12A1#2B12C22
FI2 C2#1D21D2#1E21F21F2#1G21G2#1
SI2 C2#2D22D2#2E22F22F2#2G22G2#2
FI3 A21A2#1B21C31C3#1D31D3#1E31
SI3 A22A2#2B22C32C3#2D32D3#2E32
FI4 F31F3#1G31G3#1A31A3#1B31C41
SI4 F32F3#2G32G3#2A32A3#2B32C42
FI5 C4#1D41D4#1E41F41F4#1G41G4#1
SI5 C4#2D42D4#2E42F42F4#2G42G4#2
FI6 A41A4#1B41C51C5#1D51D5#1E51
SI6 A42A4#2B42C52C5#2D52D5#2E52
FI7 F51F5#1G51G5#1A51A5#1B51C61
SI7 F52F5#2G52G5#2A52A5#2B52C62
FI8 C6#1D61D6#1E61F61F6#1G61G6#1
SI8 C6#2D62D6#2E62F62F6#2G62G6#2
FI9 A61A6#1B61C71C7#1D71D7#1E71
SI9 A62A6#2B62C72C7#2D72D7#2E72
FI10 F71F7#1G71G7#1A71A7#1B71C81
SI10 F72F7#2G72G7#2A72A7#2B72C82
F#3G#3A#3 C#4D#4 F#4G#4A#4 C#5D#5 F#5G#5A#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 B6A6G6F6E6D6 C7
C#3A#2G#2F#2D#2C#2
C1 D1 E1 F1 G1 A1 B1A0 B0
A#1A#0 G#1F#1D#1C#1 A#6G#6F#6D#6C#6
B7A7G7F7E7D7 C8
A#7G#7F#7D#7
C#7
NOMENCLATURE OF KEYS

—4 —
LL0
LL1
LL2
LH9
VARIATION
SPLIT
REVERB
LH10
CHORUS
LH11
GRAND
PIANO 1
GRAND
PIANO 2
ELEC
PIANO 1
LH13
PIPE
ORGAN
PERC
ORGAN
STRINGS
LH14
ACOUSTIC
BASS
LH15 LH23
REC
PLAY
TRACK 2
/R
LH12
ELEC
PIANO 2
HARPSI-
CHORD
VIBRA-
PHONE
LH24
TRACK 1
/L
MUSIC
LIBRARY
RHYTHM
LH25
START/
STOP
(RIGHT)
START/
STOP
(LEFT)
FUNCTION
SC0
SC1
SC2
SC3
SC4
SC5
SC6
SI0
SONG
MEMORY
SYNCHRO/
FILL-IN
GRAND
PIANO 1
GRAND
PIANO 2
SI1
TRACK
INTRO/
ENDING
ELEC
PIANO 1
ELEC
PIANO 2
SI2
RHYTHM
(USER
SONG)
METRONOME
HARPSI-
CHORD
VIBRA-
PHONE
SI3
START/
STOP
(DEMO)
PIPE
ORGAN
PERC
ORGAN
SI4
STRINGS
ACOUSTIC
BASS
SI5 SI6
CHORUS
SI7
FUNCTION
SPLIT
REVERB
BUTTON MATRIX
LED MATRIX

— 5 —
PRINTED CIRCUIT BOARDS
MAIN PCB M404-MDA1
Bottom view
Top view
SUB PCB M404-PSA1

— 6 —
CONSOLE PCB M404-CNA1
CONSOLE PCB M404-CNB2
CONSOLE PCB M404-CNB3
CONSOLE PCB M404-CNB4
Bottom view
Top view

— 7 —
DISASSEMBLY
1. Remove 25 screws on the bottom.
2. Remove the lower panel and then 10 screws.
3. Position the main unit, so the main unit faces upward.
4. Remove 2 screws on the right side and 2 screws on the left side of the unit, and then remove side covers on
both sides.
5. Remove 10 screws on both sides, and then lift the front panel up.

— 8 —
6. Remove 4 connectors then the front panel.
CN9
CN212
CN206
CN203
■ Removing the speaker
7. Remove 7 screws then the speaker cover.
* Take the same procedure for the speaker on the right side.
8. Remove 4 screws then the speaker.
* Take the same procedure for the speaker on the right side.
■ Removing the PCBs (M404-CNA1, M404-CNB2, M404-CNB3, and M404-CNB4).
9. Remove the volume knob.
M404-CNB3 PCB
M404-CNB2 PCB
M404-CNA1 PCB
M404-CNB4 PCB
10. Remove 10 screws and then the PCB (M404-CNB3).
11. Remove 16 screws and then the PCB (M404-CNA1).
12. Remove 10 screws and then the PCB (M404-CNB2).
13. Remove 3 screws and then the PCB (M404-CNB4).

— 9 —
* Caution while assembling
Place the cable in the groove.
■ Removing the side case on the right.
14. Remove the side case on the right.
■ Removing the side case on the left, the PCB (M403-JKA1) and the power switch.
15. Remove the side case on the left.
16. Remove 4 screws.
17. Remove 4 connectors and then the PCB (M403-JKA1).

— 10 —
18. Remove 2 screws and then the power switch.
■ Removing the PCBs (M404-MDA1, M404-PSA1 and M403-JKB1).
19. Remove the connector and 2 screws then the PCB (M404-MDA1).
20. Remove 2 screws then the PCB (M404-PSA1).
21. Remove 4 screws and then the cover.
22. Remove 5 screws and then the PCB (M403-JKB1).
23. Remove 2 screws.
M403-JKB1 PCB
M404-MDA1 PCB
M404-PSA1 PCB

— 11 —
27. Remove 9 screws then the PCB (MCPZ-KYA1).
28. Remove 12 screws then the PCB (MCPZ-KYB2).
29. Remove 9 screws then the PCB (MCPZ-KYA3).
■ Removing the key board.
24. Remove the keys from the hammers.
25. Remove the rubber keys.
* One of the keys has the different length from others. Be careful while reassembling.
26. Remove the keys.
MCPZ-KYA1 PCB MCPZ-KYB2 PCB MCPZ-KYA3 PCB

— 12 —
DIAGNOSTIC PROGRAM
■Initial Setup
1. Connect an AC adaptor.
2. Connect a pedal cord.
3. "Main" volume: MAX.
NOTE: If there is no pedal or MIDI cable, pedal or MIDI check can be skipped.
■How to start diagnostic program
1. Turn on the “POWER” button while the “SPLIT” and the “CHRUS” buttons are depressed.
2. Release the “SPLIT” and the “CHRUS” buttons.
ALL the LEDs flash and the test mode boots.
■Diagnostic program
1. Automatic Test
1CPU RAM check
2DSP RAM check
3ROM check
While performing 1 ~ 3, TONE1, TONE2, TONE3, or START/STOP lights when an error is found in
ROM. If no error is found, the confirmation chord C6 sounds.
2. LED check
1The LEDs light in the sequence shown below when the “FUNCTION” button is pressed.
LED check repeats if the “PLAY/RED” is pressed.
3. BUTTON check
1Press the “FUNCTION” button to perform “BUTTON check.”
The confirmation chord C6 sounds.
2Press buttons in the order following.
NG tone sounds when an error is found in the buttons or when the buttons are pressed in a wrong order.
This test cannot be aborted.
4. Pedal check (If there is no Pedal, this check can be skipped.)
1Press the “FUNCTION” button to perform the “Pedal check.”
2Press the “SOFT” pedal.
The confirmation chord C4 sounds and “LEFT/TRACK1” LED lights.
3Press the “DAMPER” pedal.
The confirmation chord G4 sounds and “RIGHT/TRACK2” LED lights.

— 13 —
5. Headphone check
1Press “FUNCTION” button to perform the “Headphone check.”
The confirmation chord C6 sounds and “PLAY” LED lights.
2Connect the headphone to the LEFT jack.
“REC” LED lights.
3Remove the headphone from the jack.
“PLAY” LED lights.
4Connect the tuning meter to the RIGHT jack.
“REC” LED lights.
5Press the “A4” key.
Make sure that the tuning meter is set at 440 ±2sents.
6Remove the tuning meter from the jack.
“PLAY” LED lights.
7Press “FUNTION” button to finish the “headphone check.”
The confirmation chord C6 sounds.
6. MIDI check (If there is no MIDI cable, this check can be skipped.)
1Press “TONE1” button to perform the “MIDI check.”
NG tone sounds.
2Connect a MIDI cable.
3Press the “TONE1” button and make sure confirmation chord C7 sounds.
4Press the “FUNCTION” button.
The confirmation chord C6 sounds twice.
5Turn off the “POWER” button.
6Turn on the “POWER” button.
The diagnostic program ends.
1Remove the “DABPER” pedal.
2Remove the “SOFT” pedal.
3Remove the MIDI cable.

— 14 —
SCHEMATIC DIAGRAMS
MAIN PCB M404-MDA1

— 15 —
SUB PCB M404-PSA1

— 16 —
CONSOLE PCB M404-CNA1

— 17 —
CONSOLE PCB M404-CNB2

— 18 —
CONSOLE PCB M404-CNB3