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CTK-631 POPS DANCE / FUNK ROCK EUROPEAN LATIN II / VARIOUS PIANO SYNTH-LEAD JAZZ GUITAR VOICE DOO SHAMISEN REVERB DEMO CLUB POP BIG BAND ROCK POLKA 1 SALSA GRAND PIANO CLEAN GUITAR SYNTH-VOICE SQUARE WAVE KOTO EURO POP TRIP HOP...
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ELECTRICAL Current drain with 9 V DC: 412 mA ± 20 % No sound output 1165 mA ± 20 % Maximum volume with 12 keys from C3 to B3 pressed in Square wave tone Volume: maximum, Touch response: maximum Reverb: Hall Phone output level (Vrms with 32 Ω...
Note: Each key has two contacts, the first conatct (1) and second contact (2). First contact (1) Second contact (2) NOMENCLATURE OF KEYS 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 C2 D2 G2 A2 C3 D3 G3 A3 B3 C4...
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CPU (LSI1: GT913F-(T)) The 16-bit CPU contains a 1k-byte RAM, three 8-bit I/O ports, two timers, a key controller and serial interfaces. The CPU detects key velocity by counting the time between first-key input signal FI and second-key SI from the keyboard.
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Pin No. Terminal In/Out Function +5 V source Ground (0 V) source MRDB Read enable signal output for the sound source ROM 83 ~ 98 MD0 ~ MD15 In/Out Data bus Reset signal output for the DSP In/Out Data bus for the LCD driver DIGITAL SIGNAL PROCESSOR (LSI2: HG51B227FB-1) The DSP receives 16-bit serial sound data output from the CPU and adds the selected effect to the sound data using the effect RAM.
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Pin No. Terminal In/Out Function 42 , 44, 46 ~ 48, EA0 ~ EA12 Address bus for the effect RAM 51 ~ 59, 61 ECEB Chip enable signal output for the effect RAM EOEB Read enable signal output for the effect RAM VSS3 Ground (0 V) source EWEB...
DAC (IC1: UPD6379GR) The DAC receives 16-bit serial data output from the DSP. The data contains digital sound data of the melody, chord, bass, and percussion for the right and left channels. The DAC converts the data into analog waveforms and output them to each channel separately. Synch signal SCK1 SINC...
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POWER AMPLIFIER (IC301: TA8248K) The power amplifier is a two-channel amplifier with standby switch. The following table shows the pin function of IC301. Pin No. Terminal In/Out Function — Not used B.S.2 — Terminal for a bootstrap capacitor OUT2 Channel 2 output +9 V source OUT1 Channel 1 output...
ADJUSTMENT DISPLAY PCB 1) Items to be adjusted: Item Measuring Instrument Vop voltage setting Voltmeter 2) Adjustment and Test Point Locations (TOP VIEW) VR501 (BOTTOM VIEW) — 11 —...
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3) Equipment connection/Procedure Vop voltage setting Voltmeter Output TP1-TP2 Output Output Input Input Input Adjust Adjust for Connection Point Point Signal Connection VR501 Voltmeter TP1-TP2 Adjust for 4.2 to 4.3 V read- ing on voltmeter under the temparature 20 to 25 °C. Make fine adjustment accord- ing to the following instruc- tion.
MAJOR WAVEFORMS 0.5 s 20 ms 1 ms 1 ms Power button ON – – – – ˜ ˜ ˜ ˜ CH1: 5 V CH2: 5 V CH1: 5 V CH2: 5 V CH1: 50 mV CH2: 50 mV CH1: 50 mV CH2: 50 mV 1 NMI signal 3 Button scan signal PA0...
PARTS LIST CTK-631 Notes: This parts list does not include the cosmetic parts, which parts are marked with item No. "R-X" in the exploded view. Contact our spare parts department if you need these parts for refurbish. Prices and specifications are subject to change with- out prior notice.
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PARTS PRICE LIST CTK-631 ITEM CODE NO. PARTS NAME SPECIFICATION PRICE CODE MAIN PCB 6927 4340 PCB/ASSY(MA1M) M240991*1 LSI1 2012 5005 LSI/CPU GT913F(T) LSI2 2012 4494 LSI/DSP HG51B277FB-1 LSI3 2012 6336 LSI/ROM LH536PY8 LSI4/LSI5 2012 5572 LSI/RAM TC55257DFL-70L(EL) 2105 4746...
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PARTS PRICE LIST CTK-631 ITEM CODE NO. PARTS NAME SPECIFICATION PRICE CODE PANEL UNIT 6927 4690 RELECTOR M240939-1 3122 3701 HMBV4BG2W147NLUAZG 6927 3420 HOLDER/CFL M440758-1 3335 6822 LD-B10432E 6927 3070 INTERCONNECTOR M440459-4 3831 1096 SPEAKER S12J89A 6927 6180 NET/SPEAKER M340981*1...
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CASIO TECHNO CO.,LTD. Overseas Service Division Nishi-Shinjuku Kimuraya Bldg. 1F 5-25, Nishi-Shinjuku 7-Chome Shinjuku-ku, Tokyo 160-0023, Japan...
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