Casio CTK-1100 Guida alla risoluzione dei problemi
CONTENTS
SPECIFICATIONS........................................................................................... 1
BLOCK AND WIRING DIAGRAM .................................................................. 2
PCB INFORMATION....................................................................................... 3
CIRCUIT DESCRIPTION ................................................................................ 4
PRINTED CIRCUIT BOARDS......................................................................... 5
DISASSEMBLY............................................................................................... 7
DIAGNOSTIC PROGRAM ............................................................................ 16
EXPLODED VIEW......................................................................................... 22
PARTS LIST.................................................................................................. 23
SCHEMATIC DIAGRAMS............................................................................. 26
CTK-1100
CTK-1100
– 1 –
SPECIFICATIONS
Keyboard 61 standard-size keys, 5 octaves
Tones 100
Polyphony 12 notes maximum (6 for certain tones)
Auto Accompaniment
Rhythm Patterns 100
Tempo Variable (236 steps, = 20 to 255)
Chords 2 ngering methods (CASIO CHORD, FINGERED)
Rhythm Controller START/STOP, SYNCHRO/FILL-IN
Accomp Volume 0 to 9 (10 steps)
Song Bank
Tunes 100
Controllers PLAY/PAUSE, STOP, REW, FF, LEFT ON/OFF (ACCOMP),
RIGHT ON/OFF (MELODY)
Other Functions
Transpose 12 steps (–6 semitones to +5 semitones)
Tuning Variable (A4 = approximately 440Hz ± 50 cents)
Terminals
Phones/Output Terminal Stereo standard jack (Output is monaural.)
Output Impedance 78 Ω
Output Voltage 4 V (RMS) MAX
Power Supply Terminal 9.5 V DC
Power Supply Dual power supply system
Batteries 6 AA-size zinc-carbon batteries or alkaline batteries
Battery Life:
Approximately 2 hours continuous operation on zinc-carbon batteries
AC Adaptor AD-E95100L
Auto Power Off Turns power off approximately 6 minutes after last key operation.
Speaker Output 2.0 W + 2.0 W
Power Consumption 9.5V 7.7W
Dimensions 94.9 × 30.4 × 9.3 cm (37 3/8 × 11 15/16 × 3 11/16 inch)
Weight Approximately 3.3 kg (7.3 lbs) (without batteries)
CTK-1100
– 2 –
BLOCK AND WIRING DIAGRAM
VD5
VC
RIGHT
SPEAKER
LEFT
SPEAKER
VA5VD5
VD5
VCP
D202
LSP
RSP
VA5
VD5 VA5
LCD
VCP
DB4~DB7
KEYBOARD PCB
(M800-KYA2)
LCD
CONTROLLER
IC2
POWER
AMPLIFIER
IC201
RESET IC
IC3
POWER SUPPLY
CIRCUIT
Q202, Q203, D206,
C225, C227, C229
CN3 (17 pin)
CN201 (17 pin)
CN205
CN203 (+)
CN202 (-)
CN206CN207
CN6
CN8
CN204
LSP+
LSP-
CN9
CN7
CN4
CN5
RSP+
RSP-
CN803 (16 pin)
CN801 (13 pin)CN802 (13 pin) KEYBOARD PCB
(M800-KYA1)
CN1 (16 pin)
SI1, SI2, SI4~SI6,
KI6S, SO1~SO6
KI0~KI7, KO0~KI7
KI3S~KI6S,
KO11S
PHONES/OUTPUT
(J202)
9 V
DC IN
(J201)
POWER AMP PCB
(M820-PSA1)
MAIN PCB
(M820-MDA1)
BUTTONS VOLUME
(SW202)
POWER SWITCH
(SW201)
BATTERY
POWER OFF
CIRCUIT
Q201
MPU
IC1
BUTTONS
KI0S~KI6S,
KO8S~KO12S
CTK-1100
– 3 –
PCB INFORMATION
M800-KYA2M800-KYA1
M820-PSA1 M820-MDA1
Classifi cation Parts Name PCB Name Components
Main PCB PCB ASSY/MDA1 M820-MDA1 MPU, LCD Controller, Reset IC,
Buttons, Right Speaker Terminal
Power Amp PCB PCB ASSY/PSA1 MX820-PSA1
Power Supply Circuit, Power Amplifi er,
Power Switch, Volume, Buttons,
DC 9.5V Jack, Left Speaker Terminal,
Phones/Output Jack
Keyboard PCB PCB ASSY/KYA M800-KYA1 Keyboard
M800-KYA2
CTK-1100
– 4 –
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
KO8S KO9S KO10S KO11S KO12S
KI0S - 3 6 9 FF
KI1S + 2 5 8 RIGHT ON/OFF
KI2S 0 1 4 7 PLAY/PAUSE
KI3S TEMPO DOWN START/STOP TRANSPOSE/
TUNE
FINGERED
(POWER/
MODE)
STOP
KI4S TEMPO UP SYNCHRO/
FILL-IN SONG BANK CASIO CHORD
(POWER/MODE)
LEFT ON/OFF
KI5S CHORD RHYTHM NORMAL
(POWER/MODE)
REW
KI6S ACCOMP
VOLUME TONE OFF
(POWER/MODE)
CTK-1100
– 5 –
PRINTED CIRCUIT BOARDS
Main PCB: M820-MDA1 Sub PCB: M820-PSA1
CTK-1100
– 6 –
Keyboard PCB: M800-KYA1
Keyboard PCB: M800-KYA2
CTK-1100
– 7 –
DISASSEMBLY
CAUTION
The photos show a prototype. The appearance of the instrument, such as color, may
z
differ from the actual model.
To avoid damages to the instrument and the oor, lay the instrument on a mattress
z
or blanket before starting disassembling.
There are several kinds of screws. Be sure to use the correct type of screws when
z
reassembling. It is advisable to sort the screws as shown below after removing
them.
If a screw cap is attached to a screw, be sure to reattach the screw cap when
z
reassembling.
BEFORE STARTING REPAIR OR SERVICING
Remove the AC adaptor or the AC cord.
z
Remove accessories such as the music stand.
z
CTK-1100
– 8 –
DISASSEMBLY
PANEL UNITA.
Undo 11 screws on the bottom surface of the main unit.A-1.
Turn over the panel unit.A-2.
Unsolder two battery lead wires.A-3.
Unsolder one FFC.A-4.
Lead wire (Red)
Lead wire (Black) FFC (M800-KYA2)
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