Casio CTK-711EX User Manual

GM SOUND KEYBOARDCTK-711EXJUL.1998CTK-7112-WAYBASS REFLEX SPEAKERMODULATIONPITCH BEND2-WAYBASS REFLEX SPEAKER232 TONES16 CHANNEL MIXERTEMPOREGISTRATIO

— 9 —VDDBattery setRESETCPUHD6473042F16-463LSI9Power Supply CircuitDSPHG51B155FDLSI4RESBRESBKey ControllerTC190C020AF-001LSI10DVDDDVDDDVDDVDDRESETAPOP

— 10 —POWER SUPPLY CIRCUITThe power supply circuit provides various voltages as shown below.The voltage VDD (+5 V) is provided as long as batteries or

— 11 —DSP and DAC CIRCUITThe DSP (Digital Signal Processor) and DAC (Digital Analog Converter) consists of the following circuits.RA22Working RAM (256

— 12 —LCD BACKLIGHTWhen voltage CVDD is supplied, transistors Q501 and Q502 start oscillation.From the oscillation voltage, transformer T501 generates

— 13 —Pin No. Terminal In/Out Function1 VCC In VCC (5 V) source.2 ~ 5 PB0 ~ PB3 Out Data bus for LCD driver.6 PB4 Out Chip enable signal for LCD drive

— 14 —Pin No. Terminal In/Out Function80 P72 In AC adaptor detection terminal.81 P73 In Modulation signal input.82 P74 In Pedal signal input.83 P75 —

— 15 —DIGITAL SIGNAL PROCESSOR (LSI4: HG51A115A01FD)Upon receipt of note numbers and their velocities, the DSP (Digital Signal Processor) reads sound

— 16 —Pin No. Terminal In/Out Function90 ~ 92 Not used.93 VCC In +5 V source94, 9597 ~ 105EA0 ~ EA14 Out Address bus for the working RAM107, 109110, 1

— 17 —KEY TOUCH LSI (LSI10: TC190C020AF-001)By counting the time between first-key input signal FI and second-key SI from the keyboard unit, the keyto

— 18 —LCD DRIVER (LSI501: SED1278F2A)The LCD driver can drive a dot matrix LCD having 40 segment and 16 common lines. The LSI contains 240graphic symb

— 1 —CONTENTSSafety Notice ----------------------------------------------------------------------------------------------- 2Specifications -----------

— 19 —DAC (LSI1: UPD6376GS)UPD6376GS is a two-channel 16-bit Digital to Analog Convertor consisting of resistor string, output ampli-fier and zero of

— 20 —DIAGNOSTIC PROGRAM To enter diagnostic mode1. While pressing down “0” and “ACCOMP CHORD MODE” buttons, press “POWER” button for turningon.2. Th

— 21 — Bender check1. While pitch bender is left untouched, press “–” button.2. Display indicates “Bender”.3. If the bender’s center point is adjuste

— 22 — RAM check1. Press “3” button.2. The program executes write/read test in all the RAM area.3. When the RAM is proper, display indicates “RAM OK”

— 23 — LCD test1. Press “CURSOR ←” button.2. Display indicates “LCD OK”.3. Each pressing of “CURSOR ←” button, displays following patterns in the fol

— 24 —<Other utilities> Bender resetSets bender’s center point in initial value.1. While pressing down “ENTER” and “ACCOMP CHORD MODE” buttons,

— 25 —MAJOR WAVEFORMS1 Clock signal for CPUCheck point CP12 Clock signal for DSPCheck point CP23 Voltage VDDIC3 pin 24 Reset signal RESIC3 pin 112345

— 26 —6 529 10PRINTED CIRCUIT BOARDMain PCB JCM465-MA1MTop ViewBottom View1121143

— 27 —Sub PCB JCM463-MA2MTop View78

— 28 —EXPLODED VIEW1434234724233229383736353031344039414033221112141315161719202721222823188910562R-1R-3BT1R-4R-2

— 2 —SAFETY NOTICECAUTION!Danger of explosion if battery is incorrectly replaced. Replaceonly with the same or equivalent type.ADVARSE!Lithiumbatteri.

— 29 —Item Code No. Parts Name Specification Q RMA1M PCB1 6926 8940 PCB/ASSY (MA1M) M240837*2 1 ALSI1 2114 4221 LSI UPD6376GS-E1 1 ALSI2 2012 6134 LSI

— 30 —Item Code No. Part Name Specification Q RL501 3841 1197 COIL LHL08TB101K 1 CT501 3012 1470 INVERTER TRANS NT-07 1 BCN1 ~ CN3 PCBs8 6926 9070 PCB

— 31 —SCHEMATIC DIAGRAMSMain PCB JCM465-MA1MROM1RAM1CPUKey ControllerWorkingRAMROM2D/A ConverterDSPBackup PowerReset IC1342121165910

— 32 —Sub PCB JCM463-MA2MPower Amp.LPF (R)LPF (L)Power Supply87

— 33 —Console PCBs JCM465-CN1M/CN2M/CN3M

— 34 —LCD Driver PCB JCM465-LCD1MLCD DriverBack Light CircuitVoltageRegulatorCAUTIONHigh Voltage

— 35 —Keyboard PCBs JCM618T-KY1M/KY2M

CASIO TECHNO CO.,LTD.Overseas Service Division8-11-10, Nishi-ShinjukuShinjuku-ku, Tokyo 160-0023, Japan

— 3 —SPECIFICATIONSGENERALKeyboard: 61 standard-size keys, 5 octaves (with touch response on/off; ExLight/Light/Normal/Heavy touch)Tones: 232 (128 Gen

— 4 —Other functionsPitch bend range: Adjustable (12 semitones upwards and downwards)Modulation: EquippedTranspose: 25 steps (–12 semitones to +12 sem

— 5 —IMPORTANT OPERATIONFull InitializationUse this procedure to return all keyboard settings to what they were when you purchased it. Note that thisp

— 6 —BLOCK DIAGRAMROM2MSM23C3210MC -12CA89LSI3 (32Mbit)ROM1MSM27C802CZ-463LSI2 (8Mbit)RAM1TC551001BFL-70LLSI8 (1Mbit)VBRVBRAVDDDVDDCVDDVCCVDD

— 7 —KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7FI0 C2 1 C#2 1 D2 1 D#2 1 E2 1 F2 1 F#2 1 G2 1SI0 C2 2 C#2 2 D2 2 D#2 2 E2 2 F2 2 F#2 2 G2 2FI1 G#2 1 A2 1 A#2 1 B

— 8 —KI0 KI1 KI2 KI3 KI4 KI5 KI6 KI7KC0 MODE INTRO CH8 A CH16 SPLITKC1 RECORD CH1 CH9 B E 2KC2 SONG CH2 CH10 C H RHYTHM 5KC3 PATTERN CH3 CH11 D ENTER