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Korg prologue-16, Service Manual

The Korg prologue-16 synthesizer is a powerful instrument that offers 16 voices of analog sound with a modern digital interface. To get the most out of your prologue-16, be sure to download the free Service Manual from 88.208.23.73:8080 to help you explore all the features and capabilities of this versatile synth.

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1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

D

D

C

C

B

B

A

A

DESIGNED BY

DRAWN BY

CHECKED BY CHECKED BY MODEL

DRAWING No.

DATE

TITLE

KOD-A40911

*

REVISED BY

DATE

REMARK

REVISAL REASON

EG INT

CUTOFF

ATTACK

DECAY

RESONANCE

A/D

Polyshine F16K-1804A 10kB

r_AD0

r_AD[2..0]

r_AD[2..0]

r_AD_SEL[2..0]

r_AD_SEL[2..0]

r_AD_SEL0

r_AD_SEL1

r_AD_SEL2

x16

RELEASE

SUSTAIN

ATTACK 2

DECAY 2

RELEASE 2

SUSTAIN 2

LFO_INT

LFO _RATE

MOD_SPEED

MOD_DEPTH

REVERB_TIME

0.1u

C18

Y0

13

Y1

14

Y2

15

Y3

12

Y4

1

Y5

5

Y6

2

Y7

4

INH

6

A

11

B

10

C

9

GND 7

COM 3

VCC 16

GND 8

IC1

SN74LV4051APWR

3.3VRef

C9

0.1u

C8

0.1u

C11

0.1u

C10

0.1u

C21

0.1u

C17

0.1u

C6

0.1u

C5

0.1u

C30

0.1u

C23

0.1u

C14

0.1u

C13

0.1u

C22

0.1u

C16

0.1u

3.3VRef

3.3VRef

3.3VRef

3.3VRef

3.3VRef

3.3VRef

3.3VRef

0.1u

C46

Y0

13

Y1

14

Y2

15

Y3

12

Y4

1

Y5

5

Y6

2

Y7

4

INH

6

A

11

B

10

C

9

GND 7

COM 3

VCC 16

GND 8

IC4

SN74LV4051APWR

3.3VRef

C15

0.1u

C12

0.1u

C62

0.1u

C20

0.1u

C27

0.1u

C26

0.1u

C44

0.1u

C41

0.1u

C19

0.1u

C28

0.1u

C24

0.1u

C58

0.1u

3.3VRef

3.3VRef

3.3VRef

3.3VRef

3.3VRef

3.3VRef

r_AD1

C45

0.1u

C37

0.1u

3.3VRef

C59

0.1u

C67

0.1u

3.3VRef

SEQ6

SEQ7

SEQ8

EDIT1

EDIT2

EDIT3

EDIT4

VCF DRIVE

D4

D6

D8

D9

D10

D11

SW MATRIX

TS-23E06-AC18-NI   2P3T w/spring return

TS-23E01-AC18-NI   2P3T

TS-22E01-AC18-NI   2PDT

Toggle SW

x1

x6

x1

2

4

1

3

TS-23E06-AC18-NI

SW15A

2

4

1

3

TS-23E01-AC-18-NI

SW16A

2

4

1

3

TS-23E01-AC-18-NI

SW6A

2

4

1

3

TS-23E01-AC-18-NI

SW13A

Tact SW

SKRGAQD010   h=9.5mm black

1

2

SW5

1

2

SW7

1

2

SW8

D3

TS-23E01-AC18-NI

2

4

1

3

SW4A

D17

D18

D19

D21

1

2

SW12

1

2

SW14

r_SW_RD0

r_SW_RD1

r_SW_RD2

r_SW_RD3

r_SW_RD4

r_SW_RD5

2

4

1

3

TS-23E01-AC-18-NI

SW1A

D1

r_SW_RD6

x12

LFO MODE

LFO TARGET

FX BYPASS

REVERB/DELAY

LOW_CUT

2

4

1

3

TS-23E01-AC-18-NI

SW3A

TS-22E01-AC18-NI

2

1

3

SW2A

SEQ1

SEQ2

SEQ3

D5

D7

D13

D16

D12

D14

SW15B

SW3B

SW4B

SW16B

SW1B

SW6B

SW13B

TS-22E01-AC18-NI

SW2B

TS-22E01-AC18-NI

r_LED_SW_SEL0

r_LED_SW_SEL1

r_LED_SW_SEL2

r_LED_SW_SEL3

r_LED_SW_SEL4

r_LED_SW_SEL[4..0]

r_LED_SW_SEL[4..0]

r_SW_RD[7..0]

SEQ4

SEQ5

LFO WAVE

VCF KEYTRACK

C70

0.1u

C68

0.1u

3.3VRef

D2

r_AD2

C60

0.1u

C57

0.1u

3.3VRef

TONE/FEEDBACK

D15

1

2

SW17

1

2

SW18

VR2

F16K-2015A

VR3

VR10

VR1

VR11

VR4

VR8

VR5

VR14

VR7

VR12

VR6

VR9

VR13

VR16

VR15

VR17

1

2

SW11

1

2

SW19

1

2

SW20

1

2

SW9

1

2

SW10

r_SW_RD7

Polyshine F16K-2015A 10kB x1

Summary of Contents for prologue-16

Page 1: ...C ANALOGUE SYNTHESIZER prologue 8 16 SERVICE MANUAL TABLE OF CONTENTS Assembly Exploded view 2 Block Diagram 4 Schematic Diagram 6 Harness 32 Test Mode 34 Parts List 37 Issued Mar 19 2018 Ver 1 0 2018...

Page 2: ......

Page 3: ......

Page 4: ...rnal Crystal Flash 256KB SRAM 128KB 144pin Encoder x1 2 GPIO read read Flash 256KB SRAM 64KB 64pin 72MHz External D D VCO1 VCF VCA VCO2 Noise PJT 15V65WBA TX RX command Firmware update 12 288MHz Cryst...

Page 5: ...28KB 144pin Encoder x1 2 GPIO read read Flash 256KB SRAM 64KB 64pin 72MHz External D D VCO1 VCF VCA VCO2 Noise PJT 15V65WBA TX RX command Firmware update 12 288MHz Crystal X0 X1 DSP Effects 12dB sync...

Page 6: ...RX_MIDI TX_MIDI SYNC_OUT SYNC_CN SYNC_RISE SYNC_FALL SUSTAIN EXPRESSION MUTE_E SEND_L2 SEND_R2 CV_VCA CV_COMP DAC_BIAS1 DAC_BIAS2 SEL_COMP PWM_CALIB METER M1 MAIN_CPU SchDoc SEND_L1 SEND_R1 RETURN_L...

Page 7: ...C81 5V 8 2K R83 6800p C100 0 027u C97 TPS54232DR BOOT 1 VIN 2 EN 3 SS 4 VSENSE 5 COMP 6 GND 7 PH 8 IC19 150p 5 C101 12K R78 6 8K R81 100K R79 RSX301LA 30 TR D2 7E06NA 220M GB L30 2 7K R85 15V 3 3V POW...

Page 8: ...K R88 3300p C104 220p 5 C131 220p 5 C121 12V 12V 0 1u C167 0 1u C173 differential output full scale 0 96 VA V 4 8Vpp 3 3K R93 6 8K R97 3300p C111 470p 5 C112 1 5K R96 6 27dB gain 2 06 fc 40kHz 1 5K R1...

Page 9: ...DATE TITLE KOD A31316 REVISED BY DATE REMARK REVISAL REASON OUT_L OUT_R 10uNP 16V C190 10uNP 16V C188 DAC_BIAS 100 R246 100 R250 3 9K R244 3 9K R248 1000p C187 1000p C189 0 1u C191 NJM2746M 3 2 1 IC2...

Page 10: ...R277 220K R282 5 6K R287 3 2 1 TL084CPT IC26A 5 6 7 TL084CPT IC26B 10 9 8 TL084CPT IC26C 12 13 14 TL084CPT IC26D 10K R269 10K R270 10K R260 20K R263 1SS355 T R D6 1SS355 T R D7 22K R267 1SS355 T R D8...

Page 11: ...10uNP 16V C178 10uNP 16V C183 COMP_L COMP_R 10K R219 10K R238 R215 1K 2SD2704KT146 Q19 470 R209 R222 1K 2SD2704KT146 Q22 470 R218 100K R217 12V SEL_COMP H Mute On L Mute Off 2SA1162 GR Q18 12V 10K R2...

Page 12: ...3 A4 A5 A6 A7 A8 A9 A10 A11 BA0 BA1 CLK WE CAS LDQM CS UDQM RAS CKE DQ0 C CLK DQ2 DQ1 S CS 3 3VD 0 1u C33 DQ3 5V L5 L6 L7 L8 L9 L10 L11 L12 L13 L14 L15 L16 L17 470 R32 470 R33 470 R34 470 R35 470 R36...

Page 13: ...A DESIGNED BY DRAWN BY CHECKED BY CHECKED BY MODEL DRAWING No DATE TITLE KOD A31320 REVISED BY DATE REMARK REVISAL REASON PH1 PJ 603AG 04 D PH2 PJ 603AG 04 D PH3 PJ 603AG 04 D A2001WR 6P 1 2 3 4 5 6 C...

Page 14: ...No DATE TITLE KOD A31321 REVISED BY DATE REMARK REVISAL REASON RST_NEXT BOOT TX_HOST RX_HOST M1 CONNECTOR SchDoc RST_NEXT RST_THIS OSC_TR V1 VOICE_MASTER SchDoc RST_NEXT RST_THIS OSC_TR V2 VOICE_MASTE...

Page 15: ...A DESIGNED BY DRAWN BY CHECKED BY CHECKED BY MODEL DRAWING No DATE TITLE KOD A31322 REVISED BY DATE REMARK REVISAL REASON S1 SYNTH SchDoc RST_NEXT RST_THIS OSC_TR C1 SYNTH_CPU SchDoc A1 VCA SchDoc RST...

Page 16: ...01u 2SA1162 GR Q26 2SA1162 GR Q25 5 6K R302 R300 560 220 R301 VCA_L 3 3VA VCA_R CV_VCA_R 2SA1618GR Q30 100 1 R320 2 2K R319 1 2K 1 R328 1 2K 1 R329 5V 100 1 R321 2 2K 1 R324 2 2K 1 R326 2 2K 1 R323 2...

Page 17: ...WDIO_ SWO_ 0 1u C58 5V 10u 20 C62 BICK SDTI LRCK MCLK BLM18BB121SN1D L10 0 R66 C59 1u Z R72 NU 100 R60 100 R61 100 R62 100 R63 R55 NU 0 R71 PWM_VCF PWM_VCA_R MULTI_POST 1K R70 5V PITCH1 SHAPE1 INT VCO...

Page 18: ...1Y 1 0Z 5 1Z 3 INH 6 A 11 B 10 C 9 VEE 7 XCOM 14 YCOM 15 ZCOM 4 VCC 16 GND 8 IC15 CD74HC4053PWR 0X 12 1X 13 0Y 2 1Y 1 0Z 5 1Z 3 INH 6 A 11 B 10 C 9 VEE 7 XCOM 14 YCOM 15 ZCOM 4 VCC 16 GND 8 IC14 CD74...

Page 19: ...1u C16 0 1u C17 5V 5V 15V 0 1u C1 5V 5V POWER 27K R5 2700p C12 0 015u C11 off 75uA BOOT 1 VIN 2 EN 3 SS 4 VSENSEE 5 TPS54232DR COMP 6 GND 7 PH 8 IC1 5V C13 100p 5 10K R2 5 6K R7 1K R6 15V RRQ045P03TR...

Page 20: ...B10 29 PB2 28 PB1 27 PB0 26 PC5 25 SWCLK 49 PA15 SPI1_NSS 50 PC10 51 PB7 59 PB6 58 SPI1_MOSI 57 SPI1_MISO 56 SPI1_SCK 55 PD2 54 PC12 53 PC11 52 BOOT0 60 PB8 61 PB9 62 VDD 64 VSS 63 STM32F030R8T6 IC3 E...

Page 21: ...t 1 arp range arp type osc3 1 osc3 2 osc3 3 osc3 4 DT4 GND_LED__ R7 0 l_LED_SW_SEL 7 0 l_LED_SW_SEL 7 0 l_LED_SW_SEL0 l_LED_SW_SEL1 l_LED_SW_SEL2 l_LED_SW_SEL3 l_LED_SW_SEL4 l_LED_SW_SEL5 l_LED_SW_SEL...

Page 22: ...3 3VRef 3 3VRef C37 0 1u C29 0 1u 3 3VRef OCT 2 WAVE 1 OCTAVE 1 VCO 1 WAVE 2 TIMBER TYPE D2 D3 D10 D11 D14 D15 D12 D7 D8 SW MATRIX TS 23E02 AC18 NI 2P3T w spring return TS 23E01 AC18 NI 2P3T Toggle SW...

Page 23: ...ET_OLED TX_OLED BOOT_PNL RESET_PNL ENC1_B r_LED_Dn_PWM0 r_AD_SEL 2 0 r_AD_SEL0 r_AD_SEL1 r_AD_SEL2 r_AD_SEL 2 0 r_SW_RD0 r_SW_RD1 r_SW_RD2 r_SW_RD3 r_SW_RD4 r_SW_RD5 r_SW_RD 7 0 r_SW_RD 7 0 Panel1 ACK...

Page 24: ...edit4 edit1 edit2 DTB113EK DT1 DT2 DT3 DT4 DT5 DTC143XUA DT8 DT7 DT6 C55 10uZ 0 1u C53 TO 1608BC MRE x12 R70 47 R69 47 R68 47 R67 0 C69 NU LED MATRIX LED12 3 3VLED_ LED1 LED2 LED3 LED4 LED8 LED5 LED6...

Page 25: ...0 1u C37 0 1u 3 3VRef C59 0 1u C67 0 1u 3 3VRef SEQ6 SEQ7 SEQ8 EDIT1 EDIT2 EDIT3 EDIT4 VCF DRIVE D4 D6 D8 D9 D10 D11 SW MATRIX TS 23E06 AC18 NI 2P3T w spring return TS 23E01 AC18 NI 2P3T TS 22E01 AC18...

Page 26: ...SCK 55 PD2 54 PC12 53 PC11 52 BOOT0 60 PB8 61 PB9 62 VDD 64 VSS 63 STM32F030R8T6 IC3 ENCODER left_BOOT_PNL left_RESET_PNL left_RX_PNL left_TX_PNL left_CK_PNL left_ACK left_TX_PNL left_RX_PNL left_CK_P...

Page 27: ...on arp range arp type osc3 1 osc3 2 osc3 3 osc3 4 timber 1 timber 2 timber 3 DT6 GND_LED__ R9 0 l_LED_SW_SEL 7 0 l_LED_SW_SEL 7 0 l_LED_SW_SEL0 l_LED_SW_SEL1 l_LED_SW_SEL2 l_LED_SW_SEL3 l_LED_SW_SEL4...

Page 28: ...39 0 1u C31 0 1u 3 3VRef VOICE_MODE_DEPTH SUB_ON WAVE 1 OCTAVE 1 VCO 1 WAVE 2 TIMBER TYPE D1 D4 D11 D12 D15 D16 D2 D13 D8 D9 SW MATRIX TS 23E02 AC18 NI 2P3T w spring return TS 23E01 AC18 NI 2P3T Toggl...

Page 29: ...r_AD_SEL0 r_AD_SEL1 r_AD_SEL2 r_AD_SEL 2 0 r_SW_RD0 r_SW_RD1 r_SW_RD2 r_SW_RD3 r_SW_RD4 r_SW_RD5 r_SW_RD 7 0 r_SW_RD 7 0 Panel1 ACK r_AD 3 0 r_SW_RD6 r_LED_Dn_PWM1 r_LED_Dn_PWM2 3 3VD F11E 0184A 1 3 2...

Page 30: ...edit4 edit1 edit2 DTB113EK DT1 DT2 DT3 DT4 DT5 DTC143XUA DT8 DT7 DT6 C52 10uZ 0 1u C51 TO 1608BC MRE x12 R61 47 R60 47 R59 47 R58 0 C61 NU LED MATRIX LED12 3 3VLED_ LED1 LED2 LED3 LED4 LED8 LED5 LED6...

Page 31: ...1u 3 3VRef TONE FEEDBACK SEQ6 SEQ7 SEQ8 EDIT1 EDIT2 EDIT3 EDIT4 VCF DRIVE D4 D6 D8 D9 D10 D11 SW MATRIX TS 23E06 AC18 NI 2P3T w spring return TS 23E01 AC18 NI 2P3T TS 22E01 AC18 NI 2PDT Toggle SW x2...

Page 32: ......

Page 33: ......

Page 34: ......

Page 35: ......

Page 36: ......

Page 37: ...7 KLM 3724 PL1 500219402290 VARISTOR AVR M1608C120MT6AB KLM 3753_54_58 KLM 3754 VZ1 VZ2 VZ3 VZ4 VZ5 VZ6 500314010510 SCHOTTKY DIODE RB160M 40TR KLM 3753_54_58 KLM 3754 D20 500375016400 SW SKRGAQD010 K...

Page 38: ...bAssembly 1 500600006519 KP300 HVCTF3X1 25 2 KS16D L2 5 500600006521 LY100JPVCTFLY35LY18 JP 500600006508 LY100JPVCTFLY35LY37 JP 500540028958 POWER PLUG JACK CONVERTER SOCKET YL 212 R Allocation 100JP...

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