Electrical Current Drain with 9 V DC: 260 mA ± 20% No Sound Output 930 mA ± 20% Maximum Volume with key C3 pressed in Synth-Bass tone and effect No. E-9 Split: On, Layer: On, Oriental scale: On/Cent Song memory: Play, Volume; maximum, Touch: maximum Line Output Level (Vrms with 47 KΩ...
CIRCUIT DESCRIPTION Key Matrix Note: Each key has two contacts, the first conatct and second contact 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...
Button Matrix Song Registration Memory Transpose/ Touch Control Demo Layer Split Tune Response Magical Tone Rhythm Preset Digital Accomp Effect G# down A down A# down B down G down ScaleMode ScaleTune B up A# up A up G# up G up Tempo Tempo...
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CPU (HD6433298A36P) The 16-bit CPU contains a 32k-bit ROM, a 1k-bit RAM, seven 8-bit I/O ports, an A/D convertor and serial interfaces. The CPU accesses to the working strage RAM, the DSP and the key touch LSI. The CPU also controls buttons, bender input, LEDs and MIDI input/output.
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Pin No. Terminal In/Out Function 1 ~ 8 CD0 ~ CD7 In/Out Data bus 9, 10 Not used GND7 Ground (0 V) source CK16 16.384 MHz clock output VCC6 +5 V source Clock input. Connected to terminal CK16. TCKB Not used VCC1 +5 V source GND1...
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DAC (UPD6376CX) UPD6376CX is a two-channel 16-bit Digital to Analog Convertor consisting of resistor string, output amplifier and zero offset circuit. Pin No. Terminal In/Out Function Mode selection terminal. Connected to ground. D.GND Ground (0 V) source for internal digital circuit Not used DVDD +5 V source for internal digital circuit...
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Pin No. Terminal In/Out Function EWEB Write enable signal output for the effect RAM EA13 Not used EOEB Read enable signal output for the effect RAM VCC7 +5 V source ECEB Chip select signal output for the effect RAM 113 ~ 117 Not used VCC4 +5 V source...
The following table shows the pin functions of the key touch LSI. Pin No. Terminal In/Out Function REQB Interrupt request. Not used. FI8 ~ FI10 2, 3, 60 ~ 63 Key input signal. Connected to + 5 V. SI8 ~ SI10 +5 V source CRDB Read enable signal...
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Power Amplifier (LA4598) The power amplifier is a two-channel amplifier with standby switch. The following figure shows the inter- nal diagram of the amplifier. Internal Diagram of LA4598 Ch2 B.S. Ch1 IN Input Power Pre-drive Ch1 OUT Amp. Amp. Amp. Ch1 N.F.
WIRING DIAGRAM JCM719-CN2M JCM719-CN1M Bender Volume L OUT JCM719-MA2M R OUT Main Volume R IN L IN DC JACK PHONE/OUTPUT JCM719-MA1M ASSIGNABLE JACK MIDI IN MIDI OUT BATT+ BATT- BATTERY COMPARTMENT M617T-KY1M M617T-KY2M — 12 —...
MAJOR WAVEFORMS Power switch ON F Button scan signal KO0 B Bit clock BOK 1 Main clock pulse 3 POWER signal IC304: TC74HC174AP pin 2 HD6433298A36P pin 7 UPD6376CX pin 16 HD6433298A36P pin 13 G Button scan signal KO1 2 DSP clock pulse C L/R clock WOK1 4 APO signal IC304: TC74HC174AP pin 5...
PARTS LIST AT-1 Notes: Prices and specifications are subject to change with- out prior notice. As for spare parts order and supply, refer to the "GUIDEBOOK for Spare parts Supply", published seperately. The numbers in item column correspond to the same...
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FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price Main PCB JCM719-MA1M 6923 4040 PCB ass'y JCM719-MA1M M140127*1 LSI101 2011 3325 UPD6376CX LSI102 2012 0021 HD6433298A36P LSI103 2012 0035 TC5316200CP-C106 LSI105 2011 7434 HG51B155FD LSI106 2011 5194 HG52E35P LSI107 2012 0028 SRM2264LC90,10...
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FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price IC301/302 2114 3318 BA612 LED301~309, 2370 0343 LN28RPX-(TT) LED311 LED309/310 2370 0959 LN882RPX-(TT) LED312 2370 1141 SL-9352-60 D301~368 2390 1344 Diode 1SS133T-77-T 3719 4235 Ribbon cable M711C DF5H12120-MM 4317 5540 Blank PCB JCM719-CN1M M140130-1 LED PCB JCM719-CN2M...
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FOB Japan I t e m Code No. Parts Name Specification N.R.Yen R Unit Price 6922 2761 Key contact rubber LT-CB M211704A-1 6922 2771 Key contact rubber LT-CS M211705A-1 6922 2631 Bottom plate 710 M211706A-1 6918 1636 Battery cover M311164F*1 6923 4280 Rating plate M312163-2...
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Description of Resistors A general description of resistors is shown in the following table. The description consists of Type, Value, Rated Wattage and Tolerance. When you need a resistor, please find a subsutitution in your country by yourselves referring to the description.
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8-11-10, Nishi-Shinjuku Shinjuku-ku, Tokyo 160, Japan May, 1995 Telephone: 03-3347-4926...