ROLAND TR2 Service Manual

INPUT

JK2
SG-7713

C7
10pF

R12
22kΩ

1

IC2A
M5216AL

C5
1µF/50VQ32SK118Y

+

R7
1MΩ

C1

0.027µF

R2
100kΩ

D3
155133

Q1
2SK118Y

D2
155133

C1
1µF/50V

+

R5
1MΩ

R3
330kΩ

Q2
2SC2458GR

C2
10µF/16V

+

R5
10kΩ

R17

1.2kΩ

R4
100kΩ

D5
MTZ5.6B

R1
1kΩ

OUTPUT

JK3
SG-7615

P2

CHECK

IC1A
M5207L01

Q4

C8

0.047µF

25K1845R

R15
1MΩ

R11
10kΩ

R15
10kΩ

P8

P7

6

4

2

3 1

+
C4
10µ/16V

TR-2 TREMOLO

C6
10µ/16V

+

R9
10kΩ

IC1B
M5207L01

7

8 5

10

9

2

3

PCB ASSY 70901390

RATE

VR2
100kΩB

2

1 3

VR BOARD2 F3 VR BOARD1 F4

WAVE DEPTH

VR1
100kΩA

2

1 3

112233445

VR3
100kΩB

2

1

3

1 2 3

9V BATTERY

R20
10kΩ

R34
10kΩ

R43
10kΩ

+

C25
47µF/6.3V

R39
100kΩ

P5

P6

JK1
HEC2392-01-150

AC ADAPTOR

R36
330kΩ

R45
100kΩ

D1
1N4004

6

5

R37
47kΩ

C18

0.011µF

IC4B
M5281AL

D4
1N4004

7

R41

4.7kΩ

+

C9
100µF/16V

F1

5 2 3

R31
56kΩ

C20
1µF/50V

+

2

3

R42

5.6kΩ

FLAT-5P

C21
1µF/50V

IC4A
M5281AL

2SA1048GR

C24
47µF/6.3V

+

1

R35
4,7kΩ

Q6

+

R38
12kΩ

R29
33kΩ

R21
10kΩ

2

3

IC3A
M5281AL

+

C19
47µF/6.3V

1

R13
10kΩ

R14
10kΩ

R32
15kΩ

R28
10kΩ

R19
10kΩ

6

5

+

C10

4.7µF/6.3V

FLAT-3P

+

R27

1.5kΩ

6

5

IC3B
M5281AL

C11
10µF/16V

7

IC2B
M5281AL

F2

1

R8
100kΩ

C4

0.1µF

7

+4.5V+5.5V+9V

IC2C
M5281AL

3

4

R10
1MΩ

R44
100kΩ

C23
470pF

2SC2458GR 2SC2458GR

Q5 Q7

R30
56kΩ

C16

C22

220pF

IC4C
M5281AL

3

4

220pF

C12

0.047µF

IC3C
M5281AL

3

4

R23
56kΩ

R22
1MΩ

R33
100kΩ

C17
470pF

R40
56KΩ

R25
1MΩ

C15

0.01µF

R25
56kΩ

R24
1MΩ

C13

0.047µF

R18
100Ω

P3

D6
LN-28RP

LED BOARD
7042655100

EFFECT
ON/OFF

SW1

P1

JN-0404