Pathos Acoustics InPower Schematic

MANUAL SERVICE

InPower

{Doc}

InPower Vacuum Preamp. Stage

A4

1 3Saturday, December 26, 1992

Title

Size Document Number Rev

Date: Sheet of

275 v

270 V

+12.6 V

PATHOS ACOUSTICS

R1

100!

1 2

C1

0.1/400V

1

2

Q1
MPSA 42

C2
100/350V

1

2

V1
ECC83

2

3 4 5

1 6

7

4 5 8

R4

82 K

1

2

R3

82 K

1

2

V2
ECC82

2

3 4 5

1 6

7

4 5 8

C4

0.1/400

1

2

C3
100/350

1

2

C5

6.8/100

1 2

R5
470K

1

2

C8

6.8/100

1 2 R10

27K

1

2

R9
27K

1

2

R12
2K5

1

2

R8

2K2

12

D1
1N4007

1

2

R13
3K65

1

2

C11
1000/25

1

2

R2

2K2

1 3

2

R6

2K2

13

2

R7
470K

1

2

R11

270K

1 2

C12

330!f/63 V

1

2

D2

30 V

C6

0.1/250

1 2

C7

1/250

1 2

C9

0.1/250

1 2

C10

1/250

1 2

in +

in -

out +

out -

{Doc}

InPower Power Mos-Fet Stage

A4

2 3Saturday, December 26, 1992

Title

Size Document Number Rev

Date: Sheet of

Vcc 35 VVcc 35 V

PATHOS ACOUSTICS

INDUCTOR

Adjust current on the fuse
F1 to 4A with POT R16

Adjust current on the fuse
F2 to 4A with POT R17

C13

220/25

1

2

D3

24 V

R18
330 K

1

2

R14

R

12

D5
15 V

D7
15 V

R20
10 K

1

2

1

SPEAKER

12

Q6

IRF P 240

2

1

3

R21
10 K

1

2

Q7

IRF P 240

2

1

3

Q8

IRF P 240

2

1

3

R22
10 K

1

2

R28
220 K

1

2

D8
15 V

D6
15 V

R27
10 K

1

2

Q5

IRF P 240

2

1

3

Q4

IRF P 240

2

1

3

R26
10 K

1

2

R25
10 K

1

2

Q3

IRF P 240

2

1

3

R29
220 K

1

2

R19
330 K

1

2

R17

100k

1

3

2

R16

POT

1

3

2

R15

2k7

12

R24
10 K

1

2

Q2

IRF P 240

2

1

3

Q9

IRF P 240

2

1

3

R23
10 K

1

2

C14

220/25

1

2

D4

24 V

F1

FUSE

12

F2

FUSE

12

in +

in -

{Doc}

InPower Power Supply

A3

3 3Saturday, December 26, 1992

Title

Size Document Number Rev

Date: Sheet of

AC IN

VCC_CIRCLE

+12.6 V

270 V

35 V

PATHOS ACOUSTICS

Vacuum Tube Power supply

Vacuum Tube Heater

F3

FUSE

1 2 C17

0.1/400

1

2

C15

220/400

1

2

R32
470K

1

2

Q11
MPSA92

R30
1K8

1

2

R31

2K7

1 2

Q10
BUT 12

C20
22/350

1

2

D9

9.1 V

D10
4x 1N4007

- +

1

2

3

4

D13

4A 200V

- +

1

2

3

4

D11
270 V

R36

220K

12

R34

220K

12

C21

1/50

12

U2
LM555

-

1

-2-

3

-

4

-

5

-6-

7

-

8

C22

0.01

12

D14
1N4148

1

2

R33

100K

12

D12

1N4007

12

K1

12V 1S

4

3

1

2

T1

MAIN POWER TRANSFORMER

1 5

4 8

TF1

Transformer

S1

SW SPST

D16
LED

1

2

C23

0.1

1

2

C24
4700/25

1

2

C25

0.1

1

2

C26

4700/25

1

2

U1

LM7812

IN

1

C

2

OUT

3

D15
1N4007

1

2

R35
1K

1

2

L1

INDUCTOR IRON

12

D17
25A 200V

- +

1

2

3

4

C29
22000/50

1

2

C30
22000/50

1

2

F4

FUSE

1 2

C19

0.1/250 V

1

2

C28

0.1/250 V

1

2

C27

220/25

1

2

C18

0.1/400

1

2

C16
220/400

1

2