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8

7

6

5

4

3

2

1

(TO MAIN PCB J302)

J201 5P WIRE 1 2 3
1 3 4 5 6 2

SM7
D

SCHEMAITIC SM7
SM7

SW2

CUT EQ1 DETECTIN OPEN DETECT2 GND DETECT1

4 5 1 2 3 4 5 J203 5P WIRE

SW-R
2 3 4 7 8 9 1 6

SW1
1 2

J202 4P WIRE GATED OUTBUF NOGATE GND (TO BOTTOM PCB J202)

D

SW-L

2

3 4

3

TR2 2SC1815 GR C44
1 2 1

FUNCTION SW PCB 2/2
R65 510K
3 2 1

2

J1
3 2 1

J102 3P WIRE
1 2 3

P102 3P PLUG
1 2 3

1U(NP) 50V C1 223 R1 1K
3

R13 10K C3
1 2

P101 3P PLUG VCC GND R70 P201 7P PLUG JP2 JP 7 6 5 4 3 2 1 (TO FUNCTION SW PCB 1/2 J101)

Q5 JP

INPUT

TR1 2SC1815 GR

1U(NP) 50V R6 510K R5 10K VCC R15 10K C8 100P
1

DETECT2 EQ1 DETECT1

INPUT PCB
A1 006P 9V R2 9.1K R4 510K

BOTTOM PCB

R27 470

R3 22K

C2 10U 25V GND

R14 10K

2 1 3 4

C11 393 JP6 JP U1A NJM4558D

R20 33K
2

8

D3 MA150

1

GND

C9 473 J3 DC9V IN
3 2 1

C12 47P

R23 47K R8 6.8K

R91 270

1

D4 MA150 C18 68P

2

R17

1.5K R21 560K C4 104 R7 100

C

C

D7 1N4003

C37 100U 25V

VCC R59 10K

C10 222
2

C16 10U 25V
6

C14 104 TR4 2SC1815 GR R25 220

7 5

R29 1K

C39 4.7U 35V

C19 104

R61 10K

3

3

1/2VCC

TR3 2SC1815 GR R18 200K

2

1

1

JP9 JP DETECTIN R26 10K

2

R60 10K

C38 47U 25V

R19 10K

R22 270K

R24 390

D5 1SS133T
1

1

U2B NJM4558D

D6 1SS133T
2

R31 1M

1/2VCC GND

GND CUT R47 10K C30 100P R9 1M C6 104
7 2

VCC

R48 0

R51 18K

R52 5.6K

6

D10 1SS133T
1

R64 10K

2 1 3

1

R57 4.7K

R56 15K

U2A NJM4558D
8

5

R10 10K

R12 5.1K

U1B NJM4558D D11 1SS133T
2

C7 333

C17 104

R86 330K

R68 22K
B

R88 56K C49 1000P R70 1M C20 0.47U 63V R32 1K
2

EQ1 C24 683 R38 1K C25 332
2 2

R11 10K

C5 10U 25V

4

C48 1000P R69 1M
2

C22 1U 50V R35 1K C23 473

C26 183 R41 1K C27 102
2

C28 272 1/2VCC VCC GND R44 470 C29 102
2

GND
B

R73 100K
3

R80 100K
3

R62 10K TR12 2SC1815 GR
1 1

C21 473
2

C32 1U 50V

P301 6P PLUG 1

2

3

4

5

6

C40 473

R71 1M

TR11 2SC1815 GR

R89 56K

1

1

2

3

4

5

6

4

3

2

1

J301 6P WIRE R49 1K R79 1M 1/2VCC R76 1M

P202 4P PLUG GND NOGATE OUTBUF GATED

C41 102

C42 102

R74 100K

D9 LED
2 2

3

3

3

3

3

TR5 2SC1815 GR
3

TR6 2SC1815 GR R36 100K R37 10K

TR7 2SC1815 GR R39 100K R40 10K

TR8 2SC1815 GR R42 100K R43 10K

TR9 2SC1815 GR R45 180K R46 10K

1

1

1

1

R87 330K

C50 2000P
2

R90 22

R72 1M

VCC GND D15

3

C47 473
1

2 1

R33 100K

R34 10K

1

SW3 FOOTSW
1

TR13 2SC1815 GR

Q2 2SK118O

J101 3P WIRE
2 1 2

D13 D14

R50 1K C33 153

FUNCTION SW PCB 1/2

J401 2P WIRE

D12 1SS133T Q4 2SK118O Q6 2SK118O
1

R75 510K

(TO OUTPUT PCB J401)

J502

Q1 2SK118O

2 3

6

5

4

3

2

1

6

5

4

3

2

1

J501

C46 104

R78 1M

C35 1U(NP) 50V
1 2

R53 510K TR10 2SC1815 GR R55 470

A

P502
6 5 4 3 2 1 6 5 4 3 2 1

P501
1

C36 10U 25V

3 2 1

J2

A

1

1

1

1

OUTPUT D14 1SS133T R54 10K R58 100K

1

2

2

2

2

R77 1M Q3 2SK118O P401 2P PLUG
1 2

D13 1SS133T
2 2

3

3

3

(LEVEL)

(HI)

(LO)

(DRIVE)

VR PCB
8 7 6 5 4 3

3

VR4 100K(A)

VR2 20K(B)

VR3 20K(B)

VR1 50K(A)

OUTPUT PCB
2 1

1