Casio CTK-2200 User manual

CTK-2200
Ver. 2 : Feb. 2012
CTK-2200
JUL. 2011
ELECTRONIC KEYBOARD

CTK-2200
CONTENTS
SPECIFICATIONS........................................................................................... 1
BLOCK AND WIRING DIAGRAM .................................................................. 3
PCB INFORMATION....................................................................................... 4
CIRCUIT DESCRIPTION ................................................................................ 5
PRINTED CIRCUIT BOARDS......................................................................... 6
DISASSEMBLY............................................................................................... 9
DIAGNOSTIC PROGRAM ............................................................................ 19
EXPLODED VIEW......................................................................................... 26
PARTS LIST.................................................................................................. 27
SCHEMATIC DIAGRAMS............................................................................. 30

CTK-2200
– 1 –
SPECIFICATIONS
Keyboard 61 standard size keys
Maximum Polyphony 48 notes (24 for certain tones)
Tones
Built-in Tones 400
Sampling Tones 1 (Full Sampling) or 3 (Short Sampling)
Sampling Time: 1 second (Full Sampling) or
approximately 0.3 seconds each (Short Sampling)
Effects: 10 types (for Full Sampling samples)
Reverb 1 to 10, Off
Voice Pad 5 pads × 4 sets
(3 sets for sampled sounds, 1 set for percussion only)
Metronome
Beats per Measure 0, 2 to 6
Tempo Range 30 to 255
Song Bank
Tunes 110
Step Up Lesson
Lessons 4 (Listen, Watch, Remember, Auto)
Lesson Part L, R, LR
Functions Repeat, Voice Fingering Guide, Note Guide, Performance Evaluation
Music Challenge 20 notes
Auto Accompaniment
Rhythm Patterns 150
One Touch Presets 150
Other Functions
Transpose ±1 octaves (-12 to +12 semitones)
Tuning A4 = 415.5 to 465.9 Hz (Initial Default: 440.0 Hz)
MIDI 16 multi-timbre received, GM Level 1 standard
Musical Information Function Tone, Rhythm, Song Bank numbers and names, staff notation,
ngering, pedal operation, tempo, measure and beat number,
chord name, etc.
Inputs/Outputs
USB port TYPE B
Sustain jack Standard jack (sustain, sostenuto, soft, rhythm)
Phones/Output jack Stereo standard jack
Output Impedance: 200 Ω, Output Voltage: 4.5 V (RMS) MAX
Audio In jack Stereo mini jack
Input Impedance: 9 kΩ, Input Sensitivity: 200 mV
Power Jack 9.5 V DC

CTK-2200
– 2 –
Power Supply 2-way
Batteries 6 AA-size zinc-carbon batteries or alkaline batteries
Battery Life Approximately 3 hours continuous operation on alkaline batteries
AC Adaptor AD-E95100L
Auto Power Off Approximately 6 minutes (during battery operation) or 30 minutes
(during AC adaptor operation) without any operation
Speakers 10 cm × 2
Output 2 W + 2 W
Power Consumption 9.5 V 7.7 W
Dimensions 94.6 × 30.7 × 9.2 cm (37 1/4× 12 1/16 × 3 5/8inch)
Weight Approximately 3.4 kg (7.5 lbs) (without batteries)

CTK-2200
– 3 –
BLOCK AND WIRING DIAGRAM
MAIN PCB (M822-MDA1)
SUB PCB
(M822-PSA1)
BATTERY
KEYBOARD PCB (M800-KYA1) KEYBOARD PCB (M800-KYA2)
CN801 (13 pin) CN803 (16 pin)CN802 (13 pin)
CN4 (16 pin)
CN106 (+)
CN107 (-)
CN2 (10 pin) CN6 (12 pin)
CN301 (10 pin) CN302 (12 pin)CN101 (11 pin)
CN108 (+)
CN109 (-)
CN104 (+)
CN105 (-)
CN1 (11 pin)
USB
PHONES (J103)
PEDAL (J1)
SPEAKER (L)
SPEAKER (R)
MAIN VOL.
(SW303)
CN8 (4 pin)
LOUT, ROUT
AUDIO IN,
ADIN, APO,
STBY_CTL
KC0~KC7,
KI1, KI2,
FI9, FI10
DB4~DB7,
E, R/W, RS, NMI
MPU
LSI1
Flash Memory
(16 Mbit)
LSI2
LCD
Controller/Driver
IC301
Power
Amplifier
IC101
MA1~MA22
MD0~MD15
Filter
IC5
Filter
IC103
Filter
IC104
Power Supply Circuit
IC6, C24, C25, C27,
C33, C35, C183
Power
Supply Circuit
IC3, Q4, D1
Power Supply Circuit
Q101, Q102, Q106,
Q108, Q109, C185,
C203~C205, D104, D105
VA5
VD3
VD5
VA5
VA3
VD5
LOUT
ADIN
APO
ROUT
BUTTONS
POWER SWITCH
(SW301, SW302)
DC 9.5 V IN (J102)
VCP
D101
D103
LCD
FI0~FI3, SI0~SI3, KC0~KC7
AUDIO IN (J104)

CTK-2200
– 4 –
PCB INFORMATION
M822-MDA1M822-PSA1
M800-KYA2
M800-KYA1
Classifi cation Parts Name PCB Name Components
Main PCB PCB UNIT/MAIN M822-MDA1
MPU, Flash Memory (16 Mbit),
Power Supply Circuit, Filter,
SUSTAIN Jack, USB Port
Sub PCB PCB UNIT/POWER & AMP M822-PSA1
Power Supply Circuit, Power Ampli er,
Filters, LCD Controller/Driver, LCD,
Buttons, Power Switch, Main Volume,
DC 9.5 V Terminal, AUDIO IN Jack,
PHONES/OUTPUT Jack
Keyboard PCB PCB UNIT/KYA M800-KYA1 Keyboard
M800-KYA2

CTK-2200
– 5 –
CIRCUIT DESCRIPTION
 KEY MATRIX
KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7
KI0 C2 C2# D2 D2# E2 F2 F2# G2
KI1 G2# A2 A2# B2 C3 C3# D3 D3#
KI2 E3 F3 F3# G3 G3# A3 A3# B3
KI3 C4 C4# D4 D4# E4 F4 F4# G4
KI4 G4# A4 A4# B4 C5 C5# D5 D5#
KI5 E5 F5 F5# G5 G5# A5 A5# B5
KI6 C6 C6# D6 D6# E6 F6 F6# G6
KI7 G6# A6 A6# B6 C7
 NOMENCLATURE OF KEYS
C2 C3 C4 C5 C6 C7
 BUTTON MATRIX
KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7
KI1 SONG
BANK TONE TEMPO
q
SET SELECT,
MUSIC
CHALLENGE
VOICE
PAD4,
NEXT
START/
STOP,
PLAY/
STOP
METRONOME,
$BEAT
REPEAT,
INTRO
KI2
RHYTHM,
ONE TOUCH
PRESET $
TEMPO
w
VOICE
PAD2,
WATCH
VOICE
PAD3,
REMEMBER
VOICE
PAD1,
LISTEN
NORMAL/
FILL-IN,
REW
FUNCTION
VAR./
FILL-IN,
FF
FI9 0 1 2 3 4 5 6 -
FI10 7 8 9 +
VOICE
PAD5,
AUTO
SYNCHRO/
ENDING,
PAUSE
ACCOMP,
$CHORDS,
PART SELECT
SAMPLING

CTK-2200
– 6 –
PRINTED CIRCUIT BOARDS
Main PCB: M822-MDA1

CTK-2200
– 7 –
Sub PCB: M822-PSA1

CTK-2200
– 8 –
Keyboard PCB: M800-KYA1
Keyboard PCB: M800-KYA2

CTK-2200
– 9 –
DISASSEMBLY
 CAUTION
z The photos show a prototype. The appearance of the instrument, such as color, may
differ from the actual model.
z To avoid damages to the instrument and the oor, lay the instrument on a mattress
or blanket before starting disassembling.
z There are several kinds of screws. Be sure to use the correct type of screws when
reassembling. It is advisable to sort the screws as shown below after removing
them.
z If a screw cap is attached to a screw, be sure to reattach the screw cap when
reassembling.
 BEFORE STARTING REPAIR OR SERVICING
z Remove the AC adaptor, AC cord or batteries.
z Remove accessories such as the music stand.

CTK-2200
– 10 –
 DISASSEMBLY
A. REMOVE THE PANEL UNITS
Main panel unit Right panel unitLeft panel unit
A-1. Undo 17 or seven screws on the bottom surface of the main unit.
NOTE: To remove only the main panel unit, undo seven screws indicated with red circles in the
illustration below.

CTK-2200
– 11 –
A-2. Place the main unit with the keys facing up.
A-3. Lift the main panel unit and turn it over.
NOTE: The main panel unit is connected to the lower case unit with the lead wires and FFCs.
Use caution when turn over the main panel unit.
Main panel unit
Lead wires
(Left speaker)
Lead wires
(Right speaker)
Lead wires
(Batteries)
FFC
(M800-KYA2)

CTK-2200
– 12 –
A-4. Disengage one hook and then remove the right panel unit.
A-5. Disengage one hook and then remove the left panel unit.
Right panel unitLeft panel unit
Hook Hook

CTK-2200
– 13 –
B. REMOVE THE M822-MDA1 PCB (MAIN PCB)
B-1. Unsolder one FFC.
FFC (M800-KYA2)
M822-MDA1 PCB
B-2. Unsolder three FFCs.
B-3. Undo three screws and then remove the M822-MDA1 PCB.
FFC (M822-PSA1) M822-MDA1 PCB
<Notes On Assembly>
• The number of pins on the PCB pad differs from that on the cable. Solder in the way that No.1
pin on the cable (orange) is connected to No.1 pad on the PCB.
FFC (M822-PSA1)
PCB: 12 pads
Cable: 11 pins

CTK-2200
– 14 –
C. REMOVE THE M822-PSA1 PCB (SUB PCB)
C-1. Unsolder four lead wires.
Lead wire (Blue)
Lead wire (White) Lead wire (Black) Lead wire (Red)
C-2. Undo 23 screws.
C-3. Remove the M822-PSA1 PCB from main panel and then unsolder two lead wires.
Lead wire (Blue)
Lead wire (White)

CTK-2200
– 15 –
C-4. Remove the M822-PSA1 PCB, LCD components and rubber keys.
LCD componentsM822-PSA1 PCB
<Notes On Assembly>
• To install the M822-PSA1 PCB, tighten the screws for the LCD part in the order indicated with
the numbers below. If not tighten correctly, it may cause the LCD display errors.
6 1 3
5 2 4
M822-PSA1 PCB
D. REMOVE THE SPEAKER
D-1. Unsolder two lead wires.
D-2. Undo four screws and then remove the SPEAKER.
<Left speaker> <Right speaker>
Lead wire (White)
Lead wire (Blue)
Lead wire (Blue)
Lead wire (White)

CTK-2200
– 16 –
E. REMOVE THE KEYBOARD
E-1. Undo 21 screws and then remove the keys.

CTK-2200
– 17 –
F. REMOVE THE M800-KYA1/KYA2 PCBs (KEYBOARD PCB)
M800-KYA1 PCB M800-KYA2 PCB
F-1. Unsolder one FFC connected to the M822-MDA1 PCB.
FFC (M800-KYA2)
M822-MDA1 PCB
F-2. Disengage the hooks and then remove the M800-KYA1/KYA2 PCBs.

CTK-2200
– 18 –
F-3. Remove ve rubber contact strips.
NOTE: One rubber contact strip differs in length.
Rubber contact strips This rubber contact strip differs
from the others in length.
<How To Install Rubber Contact Strips>
• Lightly insert the tip of a rubber contact strip into the
PCB. Pull the tip from the back of the PCB and install
it using a tool such as tweezers. Do not forcibly pull it.