Fostex X-24 service manual Regulator PCBs, Pcb

24 X-24

R/P / REGULATOR PCBs

TAPE OUT

R R R R

-10dBV

TRK1

E E E E P P P P

TRK4 TRK3 TRK2

R/P PCB

C C C C B B B B

4 3 2 1 1 2 3 4

R407

3.3K

J7

J4

8 7 6 5 4 3 2 1

1 2

3 4

5 6

7 8

R307

3.3K

R207

3.3K

R107

3.3K

AGND

R131

100

REP EQ

C110

+VCC

C116

3

2

1

C102

TP101

L102

1

1

1

9

1

2

R116

REC LEVEL

+VCC

1/50

6

4

1

0

47/10

1 U108

1/50

C107

FB-7G

1

6

240

(-6.9dBV)

C119

TP104

J101

5

2.2/50

1

R109

3

Dolby B

R118

R122

10/16

2

8

C124

BIAS CURR

1

2068

7

2.2K

2

4

3

U102

8

2K

6.2K

3

1

2

2.2/50

R129

DTC114TK

2

3

6

HA12135AF

R121

2068

1

6.2K

3

R102

C103

U101B

C109

5

1

1

7

4

1

C114

C117

R119

R120

3

L103

1

R130

D+VCC

4

C101

100K

NON

C104

1/50

2

3

5

47/10

47/10

4.7K

22KB

U101A

2

5

R101

R117

2K

10K

560P

1

C105

220P

7 8 1

6

R110

R108

3

2

C120

4

3

2

5

1

ERASE

24K

2K

C121

3.3K

180

R113

U106

NON

D104 4

CURR

R103

C113

C115

1

-VCC

0.1/50

C125

TP105

L101 2

0.0082(PP)

18K

C118

DTC114TK

220P

1

22KB

3

C108

0.22/50

47/10

C122

180P

U109

3

R132

3

0.027(PP)

1

1

R105

2

3900P(PP)

C128

R133

R106

390K

D+VCC

R125

R124

R123

R134

2

REP EQ

15K

15K

36K

0.01(PP)

220KB

470B

REP LEV

U104

C112

R114

-VCC

2.2K

T101

2

DTC114TK

D101

20K

U105

0.0018(PP)

R135

D103

4

3

3

1

AGND

1

2

3

4.7/50

R115

C123

1

C106

20K

2

3

U107

2.2K

Q101

2

BIAS ADJ

47/10

1

DTC114TK

6

1

D102

3

2

1

C126

R136

1

8

7

0.0015(PP)

22

TP106

+VCC

D-VCC

OSC LEVEL

1

+VCC

REP EQ

C210

3

2

R231

C202

TP201

L202

1

1

1

9

1

2

C216

R216

REC LEVEL

100

1/50

6

4

1

0

47/10

1 U208

1/50

8

C207

FB-7G

1

6

240

C219

TP204

J201

3

2.2/50

1

R209

3

Dolby B

R218

R222

10/16

2

C224

BIAS CURR

1

2068

1

2.2K

2

4

3

U202

8

2K

6.2K

3

1

6

U201B

2.2/50

R229

DTC114TK

2

3

2

HA12135AF

R221

2068

7

6.2K

3

R202

C203

U201A

C209

5

1

1

7

4

1

C214

C217

R219

R220

5

L203

1

D+VCC

4

22KB

R230

C201

100K

NON

4

C204

1/50

2

3

5

47/10

47/10

4.7K

2

5

R201

R217

2K

C220

10K

560P

1

C205

220P

7 8 1

6

R210

R208

3

2

3

2

5

1

24K

-VCC

3.3K

180

R213

2K

C218

1

U206

NON

C221

D204

C225

R203

0.1/50

4

TP205

L201 2

0.0082(PP)

18K

C213

C215

0.027(PP)

DTC114TK

220P

1

22KB

3

3

R232

C208

0.22/50

47/10

C222

180P

U209

3

1

1

R205

2

3900P(PP)

C228

R233

R206

390K

D+VCC

R225

R224

R223

R234

2

REP EQ

15K

15K

36K

0.01(PP)

220KB

470B

REP LEV

U204

C212

R214

-VCC

2.2K

T201

2

DTC114TK

D201

20K

U205

0.0018(PP)

D203

4

3

3

1

AGND

1

2

3

4.7/50

R215

C223

R235

1

C206

20K

2

3

U207

2.2K

Q201

2

47/10

1

DTC114TK

6

1

BIAS ADJ

D202

3

2

1

C226

1

R236

8

7

0.0015(PP)

22

TP206

D-VCC

OSC LEVEL

REP EQ

C310

+VCC

3

2

R331

C302

TP301

L302

1

1

1

9

1

2

C316

R316

REC LEVEL

+VCC

100

1/50

6

4

1

0

47/10

1 U308

1/50

C307

FB-7G

1

6

240

C319

TP304

J301

5

2.2/50

1

R309

3

Dolby B

R318

R322

10/16

2

8

C324

BIAS CURR

1

2068

7

2.2K

2

4

3

U302

8

2K

6.2K

3

1

2

2.2/50

R329

DTC114TK

2

3

6

HA12135AF

R321

2068

1

6.2K

3

R302

C303

U301B

C309

5

1

1

7

4

1

C314

C317

R319

R320

3

L303

1

R330

D+VCC

4

C301

100K

NON

C304

1/50

2

3

5

47/10

47/10

4.7K

22KB

U301A

2

5

1

R301

C305

7 8 1

6

R310

R317

2K

2

C320

4

3

2

10K

5

1

560P

24K

220P

R308

2K

3

3.3K

180

R313

C318

U306

NON

C321

D304

R303

1

-VCC

0.1/50

4

C325

TP305

L301 2

0.0082(PP)

18K

C313

C315

0.027(PP)

DTC114TK

220P

1

22KB

3

3

R332

C308

0.22/50

47/10

C322

180P

U309

3

1

1

R305

2

3900P(PP)

C328

R333

R306

390K

D+VCC

R325

R324

R323

R334

2

REP EQ

15K

15K

36K

0.01(PP)

220KB

470B

REP LEV

U304

C312

R314

-VCC

2.2K

T301

2

DTC114TK

D301

20K

U305

0.0018(PP)

R335

D303

4

3

3

1

1

2

3

4.7/50

R315

C323

1

C306

20K

2

3

U307

2.2K

Q301

2

47/10

1

DTC114TK

6

1

BIAS ADJ

D302

3

2

1

C326

1

R336

8

7

0.0015(PP)

22

TP306

+VCC

D-VCC

OSC LEVEL

+VCC

REP EQ

C410

3

2

R431

1

AGND

C402

TP401

L402

1

1

1

9

1

2

C416

R416

REC LEVEL

100

FB-7G

1/50

6

4

1

0

47/10

240

1 U408

TP404

J401

1/50

8

C407

1

6

C419

3

2.2/50

1

R409

3

Dolby B

R418

R422

10/16

2

C424

BIAS CURR

1

2068

1

2.2K

2

4

3

U402

8

2K

6.2K

3

1

6

U401B

2.2/50

R429

DTC114TK

2

3

2

HA12135AF

R421

2068

7

6.2K

3

R402

C403

U401A

C409

5

1

1

7

4

1

C414

C417

R419

R420

5

L403

1

R430

D+VCC

4

C401

100K

NON

4

C404

1/50

2

3

5

47/10

47/10

4.7K

22KB

2

5

R401

R417

2K

10K

560P

1

24K

C405

-VCC 220P

7 8 1

6

R410

R408

2K

C418

3

2

C420

C421

3

2

5

1

3.3K

180

R413

0.027(PP)

1

U406

NON

D404

C425 1

R403

0.1/50

4

TP405

L401 2

0.0082(PP)

18K

C413

C415

DTC114TK

220P

1

22KB

3

3

R432

C408

0.22/50

47/10

C422

180P

U409

3

1

1

R405

3900P(PP)

C428

R433

R406

390K

2

D+VCC

R425

R424

R423

R434

2

REP EQ

15K

15K

36K

0.01(PP)

220KB

470B

REP LEV

U404

R414

-VCC

2.2K

T401

2

DTC114TK

D401

C412

20K

1 U405

0.0018(PP)

R435

D403

4

3

3

1

AGND

1

2

3

4.7/50

R415

C423

C406

20K

2

3

U407

2.2K

Q401

2

1

DTC114TK

BIAS ADJ

47/10

6

1

D402

3

2

1

C426

TP1

D+VCC

1

R436

8

7

0.0015(PP)

J6

D+VCC

22

1

A.B

1

19

P12

VDD

42

R11

TP406

REC

2

20

P13

2

OSC LEVEL

TRK1

3

22

P20

3

1 U4

D-VCC

LED

TRK2

4

23

P21

R40

1

2

+VCC

D+VCC

BGND

TRK3

5

24

P22

R41

2

R3

C12

6

25

3

DTA144EK

3

C53

TRK4

7

D+VCC

26

P23

R42

4

1 U5

OFF

3

2

1 ON

20K

22/16

D+VCC

8

7 BGND

0.0047(PP)

TRK1

R10

C20

K00

R43

3

6

TRK2

8

27

K01

R50

5

2

-VCC

7

8

1

9

0.01

28

6

SW

TRK3

10

29

K02

R51

7

DTA144EK

4

S2

2

TRK4

11

R22

34

K03

R52

8

1 U6

6

5

4

-VCC

R50

C52

R55

L1

A.B

12

2

3

47K

35

KE0

U23

R53

40

3

2

U30

20K

0.022(PP)

4

3

150uH

R80

R91

DOLBY ON/OFF

R51

33K

PITCH

13

36

TMP47C200BN

R92

41

DTC144EK

Q3

C21

37

R81

17

DTA144EK

5

1

AGND

3

2

4.7K

T1

R82

P10

0.01

38

R73

16

1 U7

R54

R83

3

1

Q2

R56

C55

R23

R72

15

2

R53

R71

14

DTC144EK

47

4.7K

10/16

47K

13

DTA144EK

3

47K

4

5

R70

2

C22

D+VCC

R63

12

D-VCC

U31

1

C51

C54

J11

R62

11

C50

R52

0.1(PP)

1

0.01

R61

10

R12

0.0047(PP)

9

2

100/10

3.3K

2

R24

R60

47K

D5

TEST

30

3

1 U8

3

6

7

C28

33

RESET

VSS

21

2

+MVCC

4

C23

X

DTA144EK

3

D-VCC

0.1

Q1

0.01

X

O

DGND

1 U9

R25

I

U

3

2

D+VCC

R1

N

T

8

9

47K

DGND

3

3

DTA144EK

4

+VCC

R13

D+VCC

820

1

2

1 U10

1 U12

POWER SW

J1

C24

D+VCC

3

3

4.7

2

2

1

1

0.01

R28

1

3

DTA144EK

5

1

DTA144EK

C6

R4

D3

3

R26

X1

10K

R2

C3

2

47K

4MHz

1 U11

1 U13

C8

220/10

3

2

1

S1

10

11

47K

3

3

8

390K

1

100/25

R29

2

2

100/10

R6

U3A

3

3

2

7

8

D1

R20

C25

47K

2

DTA144EK

DTA144EK

D4

22

1

4560

47K

0.01

1 U14

2

U2

6

5

4

R21

R27

R30

DGND

3

2

J2

10K

AGND

BGND

DGND

4

C5

10K

10K

DGND

1 U15

DTA144EK

1

R31

C9

22/16

PUNCH IN/OUT

2

47K

3

2

D-VCC

R38

100/10

C7

R7

C2

AGND

DTA144EK

220/10

6

R8

470/25

10K

22

7

R32

1 U16

4560

5

750

DGND

10k

3

U3B

2

1 U19

-VCC

R33

DTA144EK

3

R5

C4

2

100/10

47K

1 U17

R14

10K

3

DTA144EK

4.7

2

DTA144EK

3

1 U20

+MVCC

R40

PITCH

2

-VCC

D-VCC

1 U18

1M

ADJUST

3

2

DTA144EK

U40

U41

1

Q4

1

2

+MVCC

DTA144EK

3

1 U21

3

DTC144EK

3

2SK117

3

C29

2

2

2

R42

R43

DTA144EK

R41

0.01

1

DTA144EK

3.3K

3.3KB

1 U22

10K

-VCC

3

DGND

DGND

R44

510

2

DTA144EK

AGND

1 2 3 4 5 6 7 8 9 J3

1 2 3 4 5 6 7 8 9

D-VCC

1 2 3 4 5 6

J9

1

J10

1

W1 1

-VCC

DGND

J8

J5

I P

R -

+ B A

E E E E A A A A P

C S

B S

T G

N L E

H A

C

/ / / / • • • • •

E H

O H

R N

I Y

D D D D B B B B M

N I

T I

A D

B

1 2 3 4 1 2 3 4 U

T E

T E

N

I

T

E L

O L

S

T

E

R D

M D

P

O

TRANSPORT

R

T

REGULATOR PCB

	W11			U1
1	1	UPC2410			1
		C2			O
2	2				U
3	3	0.01	2	G	T
4	4
		C1			I
		0.01			N
					3
		DC IN
		(12V 600mA)