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Service Manual
an
COOLTRON
CT-01DS
CT-02OD
CT-03BT
CONTENTS
1) CT-01DS Block Diagram : Page 2
CT-01DS Circuit Diagram : Page 3
CT-01DS Illustrated Parts Breakdown : Page 4
CT-01DS Parts List : Page 5
2) CT-02OD Block Diagram : Page 6
CT-02OD Circuit Diagram : Page 7
CT-02OD Illustrated Parts Breakdown : Page 8
CT-02OD Parts List : Page 9
3) CT-03BT Block Diagram : Page 10
CT-03BT Circuit Diagram : Page 11
CT-03BT Illustrated Parts Breakdown : Page 12
CT-03BT Parts List : Page 13
1st Edition
Issued date: November 15, 2005
Issued by: KORG INC.
ZD2
R56 VOLUME1
4.7k 1
RD3.6M C64
0 R6
C46 R52
0.1u Z 1u/50 2.2k
CNA7E
CNB2A CNA2A CNB8D CNA8D
R23 R55 VR5
* * 2.2k LED4
4.7k RD901-40 10KA L11 OUTPUT
C30 BLM18BD102
LED-RED 470p J
641_12222 CNB5B CNA5B R25 R51 SW1A
CNB7E
C27 C32
IC7 NJM2121
SW2B 2.2u/50 47k 641_12222
- 2.2k
10k
0.0022u J
CNB2B CNA2B +
* R24 0.001u J
0.0022u J
INPUT
C29
C28
-3/4
R57 R58
SW-BOARD
* * * *
CNB5C * CNA5C 47k +
33k 47k
R50
C68 - C67
BLM18BD102
0.1u Z OPEN LBJ0664-6 PH2
0.047u J
RD901-40 100KA
10k
0.022u J
R53
L8
PTN-SHORT
C33
C34
VR6
L10
LED3
SW-BOARD-4/4
CNB7B
1
CNB7A
CNB4B
C31
CNB4A
CNA8C
0.01u J
PH1 47p
LED-GREEN VR7 C65 0.1u Z
C35
LED2 RD901-40 50KB R54
OPEN
22k
GAIN2
C66
GAIN1 LED-RED *
*
*
VR1 C51
CNA7A
CNA7B
VOICE VOLUME2
CNA4A
CNA4B
LBJ0664-6 RD901-40 200KB 1u/50 C4 330p J
R22 *
R10 R11
4.7k 100k
470k C62 0.1u Z
4.7k
R12
CNB8C
PTN-SHORT
IC5D R13 C43
C5 R26
74HC4066A 2.7k
L1 C10
1 2k
D10 47p 1u/50 R66
1 0.1u J C8
R4 IC1A 0.0022u J IC1B 8.2K
C57
CNB5D
CNA5D
1SS355 IC5A *
1K 1
74HC4066A SW2A NJM072
C58 C2
CNA3D
CNB3D
R5 * R67
641_12222 10u/16
1.5K
IC6 NJM2121
0 *delete VR8
CNA8A
CNB8A
0.1u J 0.01u J R7 -
C6 NJM072 +
74HC4066A
CNB5A
1SS355
1M R29
R61 10M
10p K
R60 10M
CNA3B
CNB3B
C69 100k
D11
IC5B
VR9 RH0615C 22KB IC3A
22p CE