Casio CTK-711EX- User Manual

— 4 — Other functions Pitch bend range: Adjustable (12 semitones upwards and downwards) Modulation: Equipped Transpose: 25 steps (–12 semitones to +12 semitones) Tuning: Adjustable (A4 = approximately 440Hz ± 50 cents) Terminals MIDI terminal: IN, OUT Sustain/Assignable jack: Standard jack (sustain,...

— 5 — IMPORTANT OPERATION Full InitializationUse this procedure to return all keyboard settings to what they were when you purchased it. Note that thisprocedure clears all data from memory. • While holding down the ENTER button, turn on keyboard power. • Press YES to initialize the keyboard or NO to...

— 6 — BLOCK DIAGRAM ROM2 MSM23C3210MC -12CA89 LSI3 (32Mbit) ROM1 MSM27C802CZ-463 LSI2 (8Mbit) RAM1 TC551001BFL-70L LSI8 (1Mbit) VBR VBR AVDD DVDD CVDD VCC VDD VC VDD APO NMI SWCK LSDT IC1 S1 HWR, RD RD, HWR, LWR RD, HWR, LWR 1RD, 1HWR, 1LWR A0 ~ A15 KI0 ~ KI7 KC0 ~ KC8 SEG1 ~ SEG40 OUT MIDI IN COM1 ...

— 7 — KC0 KC1 KC2 KC3 KC4 KC5 KC6 KC7 FI0 C2 1 C#2 1 D2 1 D#2 1 E2 1 F2 1 F#2 1 G2 1 SI0 C2 2 C#2 2 D2 2 D#2 2 E2 2 F2 2 F#2 2 G2 2 FI1 G#2 1 A2 1 A#2 1 B2 1 C3 1 C#3 1 D3 1 D#3 1 SI1 G#2 2 A2 2 A#2 2 B2 2 C3 2 C#3 2 D3 2 D#3 2 FI2 E3 1 F3 1 F#3 1 G3 1 G#3 1 A3 1 A#3 1 B3 1 SI2 E3 2 F3 2 F#3 2 G3 2 ...

— 9 — VDD Battery set RESET CPU HD6473042F16-463 LSI9 Power Supply Circuit DSP HG51B155FD LSI4 RESB RESB Key Controller TC190C020AF-001 LSI10 DVDD DVDD DVDD VDD RESET APO PWSW From power switch RES NMI PB0 PA7 RESET PW/SW ON APO DVDD(5V) MEMORY DEVICES Each memory device has the following data. 1 RA...

— 10 — POWER SUPPLY CIRCUIT The power supply circuit provides various voltages as shown below.The voltage VDD (+5 V) is provided as long as batteries or AC adaptor is set.Other voltages are controlled by APO (Auto Power Off) signal from CPU. CPU HD6473042F16-463 LSI9 PA7 NMI PW/SW APO NMI PW/ON APO ...

— 11 — DSP and DAC CIRCUIT The DSP (Digital Signal Processor) and DAC (Digital Analog Converter) consists of the following circuits. RA22 Working RAM (256K-bit) TC55257DFL-70L LSI5 ROM2 MX23C3210MC-12CA89 LSI3 (32Mbit) ROM1 MSM27CB02CZ-463 LSI2 (8Mbit) SOLP BOK WOK1 EA0 ~EA14 D0 ~D15 ED0 ~ED15 KC0 ~...

— 12 — LCD BACKLIGHT When voltage CVDD is supplied, transistors Q501 and Q502 start oscillation.From the oscillation voltage, transformer T501 generates about 600 V which is necessary for lighting thebacklight. 10 1 1 1 C502 (Bottom View) NT-07 T501 CFL1 L501 LHL08TB101K 1 1 12 DG CVDD C104FA C104M ...

— 19 — DAC (LSI1: UPD6376GS) UPD6376GS is a two-channel 16-bit Digital to Analog Convertor consisting of resistor string, output ampli-fier and zero offset circuit.The DAC receives 16-bit serial data output from the DSP. The data contains digital sound data of themelody, chord, bass, and percussion ...

— 20 — DIAGNOSTIC PROGRAM ■ To enter diagnostic mode 1. While pressing down “0” and “ACCOMP CHORD MODE” buttons, press “POWER” button for turning on. 2. The instrument is set in diagnostic mode and display indicates “Test”. ■ Button check 1. Press “0” button. 2. Display indicates “Console”. 3. Press...

— 21 — ■ Bender check 1. While pitch bender is left untouched, press “–” button. 2. Display indicates “Bender”. 3. If the bender ’s center point is adjusted correctly, the instrument emits verification sound. If the center point is improper, an error alarm sounds and display indicates “Bend ER” and ...

— 23 — ■ LCD test 1. Press “CURSOR ← ” button. 2. Display indicates “LCD OK”. 3. Each pressing of “CURSOR ← ” button, displays following patterns in the following order with verifica- tion sound. a. Checker on 8 character block : pattern Ab. Checker on 8 character block : pattern Bc. Checker on pixe...

— 24 — <Other utilities> ■ Bender reset Sets bender ’s center point in initial value. 1. While pressing down “ENTER” and “ACCOMP CHORD MODE” buttons, turn the power on. 2. Display shows “BndReset” indicating that pitch bender ’s center point is initialized. 3. Perform the “System reset” descri...

— 25 — MAJOR WAVEFORMS 1 Clock signal for CPUCheck point CP1 2 Clock signal for DSPCheck point CP2 3 Voltage VDDIC3 pin 2 4 Reset signal RESIC3 pin 1 1 2 3 4 5 NMI signalLSI9 pin 64 6 Reset signal RESBLSI9 pin 87 7 Sound signal L-OUTJC connector pin 10 8 Sound signal L-VOL-OUTJG connector pin 5 Tone...

— 26 — 6 5 2 9 10 PRINTED CIRCUIT BOARD Main PCB JCM465-MA1M Top View Bottom View 1 12 11 4 3

— 28 — EXPLODED VIEW 1 43 42 3 4 7 24 23 32 29 38 37 36 35 30 31 34 40 39 41 40 33 22 11 12 14 13 15 16 17 19 20 27 21 22 28 23 18 8 9 10 5 6 2 R-1 R-3 BT1 R-4 R-2

— 29 — I t e m Code No. Parts Name S p e c i f i c a t i o n Q R MA1M PCB 1 6926 8940 PCB/ASSY (MA1M) M240837*2 1 A LSI1 2114 4221 LSI UPD6376GS-E1 1 A LSI2 2012 6134 LSI MX23C8100MC-12CA98 1 A (LSI2) (2012 6063) (LSI) (MSM27C802CZ-463) (1) (A) LSI3 2012 6064 LSI MX23C3210MC-12CA89 1 A LSI4 2011 743...

— 31 — SCHEMATIC DIAGRAMS Main PCB JCM465-MA1M ROM1 RAM1 CPU Key Controller WorkingRAM ROM2 D/A Converter DSP Backup Power Reset IC 1 3 4 2 12 11 6 5 9 10

— 34 — LCD Driver PCB JCM465-LCD1M LCD Driver Bac k Light Circuit VoltageRegulator CA UTION High V oltage

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