Low Boost - Korg Monologue Service Manual

1 2
PWM FILTERS
A
R339
91K 1%
C244 33p 5%
R340 R333 R332
6
fc = 10kHz
DA_DRY
7
1.1K 1% 43K 1% 120K 1%
5
1.1V
IC19B
TL064CPWR
C246 C245
0.015u 680p
R224
91K 1%
C55
220p 5%
R383 R390 R402
2
fc = 10kHz
DA_WET
1
1.1K 1% 43K 1% 120K 1%
3
1.1V
IC23A
TL064CPWR
C56 C64
0.1u 4700p
R426
C76
27K
3.3v
B
470p
0v
R427 R428
6
PWM_METRONOME
7
82K 120K
C87
5
C80
0.056u
IC23B
4700p
TL064CPWR
OUT
C
DRIVE
C101
R435 82K
C114 47p 5%
0.047u
R438
IC23C
4.7K 9
8
C110
10
1u
R449 TL064CPWR D33
D D34
10K
D
D35
D
D
1 CROSS MOD, AD level fix
REMARK REVISAL REASON
1 2
3
TP12
CV_DRY
-3.3~3.3
CV_DRY
+5V
C137
47p 5%
+5V
C49
IC23E
C138
10u Z
TL064CPWR
10u Z
C50
TP16 C139 10u Z
CV_WET 10u Z
-5V
-3.3~3.3 -5V
C140
CV_WET
47p 5%
TP17
METRONOME
METRONOME
fc=2kHz, K=-0.32
C98
10uNP 16V

low boost

R439 R440 R463
LOW BOOST
C113 0.1u
18K 1.2K 39K
R442
220
IC23D
R443
13
R462 R455 R453 R454 R456
1K
22K 4.7K 18K 33K 4.7K
14
12
TL064CPWR
R445 C123 R448 C131 C129
1.5K 0.033u 0.033u
0.1u 10K
R464 2
R457
33K
HIGH BOOST
3.9K 3
Tatsuya
2015.9.14
Takahashi
DATE REVISED BY
3
4 5
IC6E
TL084CPT
VCA(DRY)
3.3VA
R154 R155
0.01u
560 2.2K
C115
Q19
2SA1162-GR
R151
CV_DRY
Q20
2.2K
2SA1162-GR Q37
R382 2SA1618GR C285
330p 5%
R401
56K
1K R400
R389 18K 1%
1K
R388
13
IC27D
14
18K 1%
12
R387
10uNP 16V
18K 1% TL064CPWR
R380 R399
10K 1% 18K 1%
C284
330p 5%
-5V
VCA(WET)
3.3VA
0.01u
R436 R437
C106 560 2.2K
Q40
2SA1162-GR
R441
CV_WET
TP15
Q41
2.2K
2SA1162-GR Q42
C127 R444 2SA1618GR
C122
330p 5%
D R450
39K
0.1u
18K 1%
R446 R447
1K 1K
R451
IC6A 18K 1%
6 IC6B
1 7
5
TL084CPT TL084CPT
R458
18K 1%
R459
R460
R461
10K 1%
10K 1%
18K 1%
C134
330p 5%
-5V
4 5
6
C117
R429
C163
METRONOME
R430 0.1u 27K
R431
10K 10K
9
IC6C
R433
8 SYNTH 13
R434
10
10K
27K
12
TL084CPT
TL084CPT
R207
C22
22K
10u 20% R49
R452 1K
22K
3.3VD
R52
100K
C128
10u 20%
C29
10u Z
DRAWN BY DESIGNED BY CHECKED BY CHECKED BY
DRAWING No.
KOD-A31249
6
7 8
R432
10K
IC6D
14
FX_OUT
R50
OSC_SIG
1K
C23 C28
470p 470p
R59
10K
R58
10K
C36
10u Z
MODEL
TITLE
DATE
*
7 8
A
B
C
D