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TABLE OF CONTENTS
ASSEMBLY SKETCH (HOOKUP): 2
BLOCK DIAGRAM: 3
SCHEMATIC DIAGRAM: 4
TEST MODE: 8
PARTS LIST: 23
Issued: Sep. 23, 2013
Ver. 1.0
©2013 KORG INC.
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Related Manuals for Korg Volca Bass
Summary of Contents for Korg Volca Bass
- Page 1 TABLE OF CONTENTS ASSEMBLY SKETCH (HOOKUP): 2 BLOCK DIAGRAM: 3 SCHEMATIC DIAGRAM: 4 TEST MODE: 8 PARTS LIST: 23 Issued: Sep. 23, 2013 Ver. 1.0 ©2013 KORG INC.
- Page 3 touch sense panel touch sense 3.3V PSoC rubber SW LED SCAN SN74LV138 CY8C20436A-24LQXI SW SCAN RESET SCL,SDA MIDI IN MIDI SCL,SDA SERIAL INTERFACE MIDI OUT (hidden) BOOT BOOT SYNC SYNC INTERFACE connector detect 3.3V LED SCAN SYNC IN SYNC CN LED x12 SYNC OUT 7CH LOW PASS FILTER VCO3 PRODUCT ID: 0 X 2 IO 2-pole butterworth VCO2 pitch3 pitch VCO1 pitch2 pitch pitch1 pitch cutoff...
- Page 4 PSoC LED MATRIX 3.3VLED C309 R311 10u B IC300 slide314 slide312 slide310 slide308 slide306 slide304 slide302 slide300 C308 PNL_SSA slide315 slide313 slide311 slide309 slide307 slide305 slide303 slide301 PNL_SSB R309 LED_GND PNL_SSC LED_PWR DT322 red: KPTR-3216SURCK C301 3.3VD PNL_SS0 LED_GND PNL_SS1 DT320 C302 LED338...
- Page 5 VCO1 R136 4700p PWM VCF 10K 1% 1SS382 IC8D IC6D R101 R149 1u Z SYNTH OUT 47p J IC12D R105 R145 0.01u J 4700p LM324PW 100K SN74LVC1G17DRLR TLC274CPW LM324PW R100 100K 0.01u 270K 0.01u IC11A R107 1SS382 PWM oct1 R142 SAW1 LM324PW SQR1...
- Page 6 3.3VLED SP EN HP CN 10u M MICROPROCESSOR TUNE2 RSD-10000F202000 PWM oct1 GND_LED red: SML-E12UWT86 red: KPTR-3216SURCK HC-49US 10.000MHZ SMD PWM note1 DT11 TEMPO (spare) BAT3 22p J LED2 LED10 3.3VD LED4 22p J DT10 ATTACK VCO1 BAT2 3.3VD LED3 LED11 SWDIO 3.3VD...
- Page 7 HP AMP SYNC RISE SYNC INPUT 3.3VD R155 2SC1623 100K R152 DT17 SYNC CN R153 100K R159 MC2840 47p J SYNC FALL R146 R158 HP CN R157 R156 0.1u 470K R147 2SC1623 100p J LJE0368-4R 220K R162 R154 2SC1623 R151 R160 100K 150K...
- Page 8 TEST MODE Setting OSCILOSCOPE AMP SPEAKER CH-1 CH-2 SYNC TEST JIG Use equipment SYNC TEST JIG (see schematic bellow) Oscilloscope Amp speaker AC Adaptor KA350 Battery LR6 x6 MIDI control Keyboard AC Adaptor (USB 5V/500mA) MIDI cable...
- Page 9 SYNC TEST JIG SCHEMATIC Oscilloscope setting. VERTICAL: CH1 500mV/DIV, DC coupling HORIZONTAL: 2.5mS/DIV How to start test mode Turn on the power while holding down the [Play],[Rec] and [VCO2] button. Summary of the test mode There is a [stand-by state] and [test execution state] state at the time of inspection. Usually it is in [test execution state], but it is in standby mode by interrupting the test all the LED blinks when an error occurs during the inspection.
- Page 10 1.The appearance inspection (1) Place on a flat surface, make sure that there is no wobble. (2) Make sure that no scratch, cracks in the case and knob. (3) Make sure that the interruption of the silk printing, there is no bleeding. (4) Make sure that the lifting of the Volume,LED,Jack and Button etc., there is no slope.
- Page 11 Each version will be displayed in sequence the 7segLED. The following is displayed in the case of version 1.00. 1.00 : System Version P1.00 : Panel Version Check each version. Push [FUNC] button to proceed next inspection after checking version 4-2.
- Page 12 Proceed to the next inspection if the inspection passed. It change stand-by state and NG state is displayed if the inspection NG by pushing the button that is different from the target Please refer to the list of errors at the end of the "test mode description" about the error contents. 4-4 .Touch switch inspection LED on the lower left touch switch is lit.
- Page 13 turn to the right after you turn to the left a little. Inspection target operation lighting TEMPO Right edge to Left edge ATTACK Right edge to Left edge DECAY/RELEASE Right edge to Left edge CUTOFF EG INT Right edge to Left edge OCTAVE Right edge to Left edge LFO RATE...
- Page 14 7. Sound check (In a state in which the user uses) The display will indicate ""oFF"" when you hold down the power button. Please release it appears. Touching the "M4" of touch pad, sound comes out from the amplifier. Please check the waveform on an oscilloscope.
- Page 15 Please turn to MIN as follows: [CUTOFF] knob. Touching the "M4" of touch pad, sound comes out from the amplifier. Please check the waveform on an oscilloscope There is no sound from the speakers and waveform does not appear to oscilloscope...
- Page 16 Turn "CUTOFF" knob and "PEARK" knob to MAX position. Touching the "M4" of touch pad, sound comes out from the amplifier. Please check the waveform on an oscilloscope.
- Page 17 Turn "CUTOFF" knob and "PEARK" knob to MID position. Touching the "M4" of touch pad, sound comes out from the amplifier. Please check the waveform on an oscilloscope.
- Page 18 MIDI CONTOROL KEYBOARD initialize setting Setting OSCILOSCOPE AMP SPEAKER CH-1 CH-2...
- Page 19 PConnect USB cabel to the MIDI control keyboard Make sure that you play the MIDI CONTROL KEYBOARD, volca bass will sound. Confirmation of speaker sound in battery drive Setting Check speaker sound in battery drive Put six LR6 batteries in the battery box to unplug all the cables as shown above.
- Page 20 Appendix error list The common subject matter about the error display If an error occurs during the inspection, all LED flashes, waiting to be entered. At this time, you can check the error content by simultaneously pressing the [MEMORY] button the [STEP] button.
- Page 21 Please check the CPU pins in question is not a short and adjacent Pin or Open,. Error Display List of LED / button test(inspection number [1.3]) Error Display List of Touch pad check(inspection number [1.4]) ※ message content is exactly the same inspection of the above two. Please refer to the error display the following table also inspection of both.
- Page 22 Please check the CPU pin or knob around the target A/D or the A/D to change is detected. About correspondence to be tested A/D display, please refer to the above table. A/D a change is detected is indicated 7-segment display in the "20 **". Correspondence between the A/D of "**"...
- Page 23 KORG volca-bass Parts List Part Number Category Part Name Location Reference 510410523002 LOUD SPEAKER ITAK-S-YDH23-06-08 Assembly 510C90843200 CIRCUIT ASS'Y BOARD KLM-3200/1 Assembly 510476800534 HARNESS HNS-4267(Bat+) Assembly 510476800535 HARNESS HNS-4268(Bat-) Assembly 510476800536 HARNESS HNS-4269(SP+) Assembly 510476800537 HARNESS HNS-4270(SP-) Assembly [KLM-3200][TOP]LED300, LED301,...