Korg prologue-16, Service Manual

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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