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Fostex VM88, Service Manual

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Fostex VM88 Service Manual Download Page 13

VM88

VM88

32

13

    ANALOG IN 7/8, ANALOG, MAIN

AGND

C

602

NON

AGND

3

2

8

4

1

U601

A

NJ

M

2068

5

6

7

U601

B

NJ

M

2068

C

642 0.

0

1

C

643 0.

0

1

A+

1

5

A-1

5

AGND

AGND

R

605

10

K

C

604

100

P

R

641 91

3

2

1

R

642

50

K

R

D

R615

10

K

C

614

100

P

A+

1

5

A-1

5

3

2

8

4

1

U602

A

NJ

M

4565

R

606

130

K

R

616

130

K

R

617

10

K

R

607

10

K

C

605

100

P

C

615

100

P

AGND

R643 100

K

AGND

C

612

NON

AGND

L

611

BEA

D

L

601

BEA

D

TR

IM

C641

220

/10

C

603

NON

C

613

NON

C

644

NON

R

646

10

K

R

647

10

K

R

645

10

K

R

644

10

K

C648

NON

C

651

NON

AGND

A+

5

AB

IA

S

R

604

100

K

R

614

100

K

AGND

AGND

C

649

NON

C652

NON

3

2

1

4

8

U603

A

NJ

M

2115

5

6

7

U603B

NJM

2115

C

647

10

/1

6

C

601

10

/1

6

C

611

10

/1

6

R

601

10K

R

611

10K

AGND

R

602

0

R

612

0

R

640

NON

AGND

C

622

NON

AGND

3

2

8

4

1

U

604

A

NJ

M

2068

5

6

7

U604B

NJM

2068

A+

1

5

A-1

5

R

625

10

K

C

624 100

P

R

661 91

3

2

1

R

662

50

K

R

D

R

635

10

K

C

634

100P

5

6

7

U602

B

NJM

4565

R

626

130K

R

636

130

K

R

637

10

K

R

627

10

K

C

625

100

P

C635

100

P

AGND

R

663

100

K

AGND

C

632

NON

AGND

L

631

BEA

D

L

621

BEA

D

TR

IM

C661

220

/1

0

C623 NON

C

633

NON

C

664

NON

R

666

10

K

R

667

10

K

R

665

10

K

R664

10

K

C

668

NON

C

671

NON

AGND

A+

5

AB

IA

S

R

624

100

K

R

634

100

K

AGND

AGND

C

669

NON

C

672

NON

3

2

1

4

8

U605

A

NJ

M

2115

5

6

7

U605

B

NJ

M

2115

C

667

10

/1

6

C

621

10

/1

6

C

631

10

/1

6

R

621

10K

R

631

10K

AGND

R622

0

R632

0

R

660

NON

2

3

1

4

5

J

601

NY

S

234

2

3

1

4

5

J

602

NY

S

234

LEVEL +4~-40dBu

INPUT 7

INPUT IMP

LINE: 12K

LEVEL +4~-40dBu

INPUT 8

INPUT IMP

LINE: 12K

ANA8_H

ANA8_C

ANA7_H

ANA7_C

• Foil Side of MAIN PCB

J902

J901

J771

J732

J731

C775

C922

C99

C27

C93

C94

R97

C97

C42

R661

J3

Q2

B

E

Q6

Q5

Q4

Q3

B

E

B

E

B

E

B

E

B

E

Q1

D77

D80

L98

C41

C661

L5

11

7

R1

C541

C446

C346

C246

C146

R542

R491

R441

R341

R327

R241

R230

R929

C932

R961

R932

R30

R32

R905

R908

R20

D910

R23

R24

R25

R26

R27

R909

R910

R911

R912

R913

R914

R915

R920

R926

R919

R925

R28

R29

C906

C912 C914

C910

R21

R22

L99

R963

R980

C9

C7

L19

L18

L17

L16

L15

L14

L13

L12

L11

L10

C30

C8

R903

R943

R31

R41

C44

C921

C904

X901

C907

C908

C95

R40

R226

R141

R126

R127

R131

C126

C971

C970

R936

R935

R938

C969

C931

C948

R227

R427

R430

R941

R942

R939

R940

C960

C950

C960

C973

C972

R330

R391

R291

R191 

R562

R642

R641

R561

R666

R665

R646

R645

R667

C672

R671

C60

R990

R991

C61

R993

R992

R652

R647

R651

R567

C572

C571

R566

R959

R953

C982

R954

C993

C975

C983

C552

R547

R955

R956

C994

R546

C978

C641

C561

R662

C765

J702

Q815

Q810

Q800

Q813

J701

J811

J810

Q701

Q703

J762

5

5

55

55

4

4

4

4

4

4

1

1

11

1

1

2

2

22

2

3

3

33

J803

5

4

1

2

2

3

3

J802

J602

5

5

4

4

1

2

3

1

2

22

33

J601

J502

J501

1

1

1

4

44

5

55

2

3

J403

D402

D302

D302

D202

D102

D101

D201

D401

1

4

5

22

3

J402

1

4

5

3

J302

1

4

5

2

3

J202

1

4

5

2

3

J102

1

4

5

2

3

J303

1

4

5

2

3

J203

1

4

5

2

3

J103

1

4

5

3

2

3

J801

5

4

1

2

3

J800

C412

C98

J401

J301

C402

R880

5

4

1

2

3

J903

S1

C903

C901

D901

D903

C958

D902

R782

C754

L731

R731

L817

R856

C784

R722

R777

C788

C755

R750

R783

R784

R779

R764

C764

R765

R757

R737

R707

C789

C790

R775

C774 
C756

R706

R736

R735

C786

C734

C704

R738

R708

R829

R831

R828

C622

C632

R624

R626

R601

L601

L521

C522

C505

C532

R524

R627

R634

R635

C625

L611

R611

R612

R614

R604

R643

C612

R617

C615

C602

R615

R602

R640

C605

R607

R830

L621

R622

R660

R632

L631

R782

R704

R734

S701

S800

S702

S703

R705

R710

R740

R981

R890

C892

C28

L7

C29

R986

C34

R978

C36

R3

R4

R2

R778

R774

R752

R721

R720

R702

R715

R763

R753

L732

L799

R767

R401

R411

L761

L771

R781

R907

R904

R723

L701

L815

R701

R858

R857

R860

R879

R852

R844

R878

R842

C898

C899

R859

L816

L810

R899

R849

L802

C876

C895

R851

C894

R853

R621

R631

C850

R854

R898

R850

R847

R819

R897

R815

C826

R818

R996

R402

L411

L401

R412

R401

R411

C312

C302

R301

R311

R302

L311

L301

R312

R301

R311

J201

J101

C212

C202

C112

C102

R201

R211

R101

R111

R202

L211

L111

L201

L101

R212

R102

R112

R201

R211

R101

R111

R896

C825

C824

C822

C820

R812

C821

L800

R848

L811

L801

L702

L1

R987

R906

R841

C897

R843

R846

C840

R521

L531

L511

L421

L421

L221

L121

L231 
R281

R271

L431

R471

R481

L406

L306

R422

R417

R418

R322

R324

L405

R423

C407

R408

R413

C414

C404

R403

C408

R307

R308

R317

C317

R323 
L305

R371

R381

L331

C307

R208

L205

L206

R223

R217

R222

C207

R213

R203

C214

R124R122

C204

C208

R107

R108

R117

C117

R123

J131

R181 
R171

L105

L106

C114

C104

C107

R207

R224 
R225

C304

C314

R407

R424 
R425

L501

R531

R501

R502

C512

R511

R512

R532

R534

R535

C525

R526

R527

R514

R515

R541

R504

R543

R517

C515

C502

R507

R522

R560

30

1

J1

17

1

J6

17

1

J4

Summary of Contents for VM88

Page 1: ...Model 8CH Digital Mixer with DSP Effects FOSTEX CORPORATION 3 2 35 Musashino Akishima Tokyo Japan 196 0021 FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave Norwalk CA 90650 U S A PRINTED IN JAPAN MAR 2000 8288789000 ...

Page 2: ... personnel when A B C D E Servicing The user should not attempt to service the ap pliance beyond that described in the operating instruc tions All other servicing should be referred to qualified service personnel REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PART...

Page 3: ... 74HC04 U927F 74HC04 FCONT2 PLL1_CONT PLL2_CONT PD1 PD2 FCONT1 FCONT2 PLL1_CONT PLL2_CONT PD1 PD2 FCONT1 REF PD VDDA AMPI AMPO VSSA XI XO VDD LOCK S2 S1 M2 M1 CKO VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 22 5792MHz 74VHCU04 74VHCU04 EMI EXT INT EXT INT 1A 1B 2A 2B 3A 3B 4A 4B A B G 1Y 2Y 3Y 4Y 2 3 5 6 11 10 14 13 1 15 4 7 9 12 U926A 74VHC157 EMI U917E VCC GND 74VHC86 U919B VCC GND 74VHC161 U920E...

Page 4: ...C9 0 01 C10 0 01 C26 10 16 R964 100 R965 100 2 4 6 8 7 5 3 1 R967 DGND C11 0 01 C12 0 01 U918 GA_DIF R966 100 5 6 U903C 12 13 11 U913D 9 10 8 U914C R40 47 C44 100P DGND R41 100 TDO_FS0O TDO_EMPO PI PO TEST1 TEST2 VDD A4 A3 A2 A1 A0 WR RD VSS CS RESET D0 D1 D2 D3 D4 D5 D6 D7 CTL_PIN VDD VSS EN_IF SINA_MD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 PD2 MCK2 VSS P...

Page 5: ...4 TRS 10 dBu 1 kHz INPUT 5 8 TRS 4 dBu 1 kHz PAN L R MON OUT VR Adjust so that MON OUT level is at 10 dBV ST OUT SW ON MON SEL SW ST INPUT 1 4 TRS 10 dBu 1 kHz INPUT 5 8 TRS 4 dBu 1 kHz PAN L R MON IN VR Adjust so that MON OUT level is at 10 dBV ST OUT ON MON SEL ST INPUT 1 4 TRS 10 dBu 1 kHz INPUT 5 8 TRS 4 dBu 1 kHz PAN L R Output Level INPUT 1 8 STEREO OUT 10 dBV 2 dB INPUT 1 8 MONITOR OUT 10 d...

Page 6: ...I1 INIT_RESET CODEC_RESET DSP_RESET SMUTE DVB SDINA SDOUTA SDOUTD1 SDIND1 SDIND2 SDOUTD2 SDOUT1 SDOUT2 SDIN1 SDIN2 LRCK BITCLK CLKO CTRL DVDD DVSS OPCL XTI XTO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 AINL AINL AINR AINR VRADH AVDD AVSS VRADL VCOM ARDAH AVDD AVSS VRDAL NC AOUTL1 AOUTL1 NC AOUTR1 AOUTR1 NC AOUTL2 AOUTL2 NC AOUTR2 AOUTR2 100 99 98 97 96 95 94 93 92 91 90 89 ...

Page 7: ...DD DVSS IO7 IO6 IO5 IO4 IO3 IO2 IO1 IO0 OE A16 A15 A14 A13 A12 A11 A10 A9 A8 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 SMODE EESEL JX RQ SCLK SI SO RDY DRDY EEST DVSS DVDD CAS RAS WE A0 A1 A2 A3 A4 A5 A6 A7 DVSS DVDD 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 TESTI1 INIT_RESET CODEC_RESET DSP_RESET SMUTE DVB SDINA SDOUTA SDOUTD1 SDIN...

Page 8: ...END_AL AUXS END_AR AUXS END_AR AGND A 5 AGND AD 5 DGND R928 10K D 5 R929 10K R930 10K DGND DGND R990 330 R991 330 C60 1500p C61 1500P R992 330 R993 330 SI_DSP SO_DSP SCK_DSP SCK_DSP SI_DSP SO_DSP DRDY_DSP WRDY_DSP WRQ_DSP WRQ_DSP DRDY_DSP WRDY_DSP RST_DSP SEL 1 3 RST_DSP SEL 1 3 AIN8 AIN8 AIN7 AIN7 1 2 3 4 5 6 7 8 9 10 11 12 VREFH AINR AINR AINL AINL VA AGND DIF0 DIF1 LRCK SCLK SDTI VCOM AOUTR AOU...

Page 9: ...F CS_DIF INIT_RST PHTM SEL 1 3 SEL 1 3 SW PUSH NON VREF AN0 AN1 AN2 AN3 AN4 AN5 AN6 AN7 VREF VDD OSC2 OSC1 VSS XI XO MMOD SI DSP CPUTX SO DSP CPURX CLK DSP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 VR0 VR1 VR2 VR3 VR4 VR5 VR6 VR0 VR1 VR2 VR3 VR4 VR5 VR6 C909 0 01 C910 0 01 C911 0 01 C912 0 01 C913 0 01 C914 0 01 C915 0 01 VR 0 6 R917 100 SCK_DSP SO_DSP SI_DSP SI 100 SCK R918 SCK_DSP SO_DS...

Page 10: ... 00 1 50 3 00 4 67 6 00 L10 L9 L8 L7 L6 L5 L4 L3 L2 L1 C R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 Left 0 00 0 10 0 25 0 40 0 70 1 00 1 40 1 80 2 20 2 60 3 00 4 20 5 50 7 10 9 00 11 30 14 10 17 60 23 50 32 00 Right 32 00 23 50 17 60 14 10 11 30 9 00 7 10 5 50 4 20 3 00 2 60 2 20 1 80 1 40 1 00 0 70 0 40 0 25 0 10 0 00 Value Gain dB L10 L9 L8 L7 L6 L5 L4 L3 L2 L1 C R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 Left 0 0 0 0 ...

Page 11: ...ND AGND 3 2 1 4 8 U702A NJM4565 A 15 A 15 C752 0 01 C753 0 01 AGND AGND 5 6 7 U702B NJM4565 3 2 1 4 8 U762A NJM4565 5 6 7 U762B NJM4565 C754 22P C755 22P C721 10 16 C720 10 16 MON_R MON_L MON _L MON_R SUBIN_L SUBIN_L 2 3 1 4 5 J731 NYS234 2 3 1 4 5 J701 NYS234 2 3 1 4 5 J702 NYS234 2 3 1 4 5 J732 NYS234 2 3 1 4 5 J771 NYS234 AGND Q701A HN1C03F Q701B HN1C03F Q703A HN1C03F Q703B HN1C03F 3 2 1 8 7 R7...

Page 12: ...893 R826 C811 C810 C721 C893 C833 C809 C808 C807 C806 R98 C614 C534 C503 C544 C567 C568 C569 C648 C926 C929 C930 C14 R972 R973 C15 L98 L77 L6 D77 R968 R971 R984 R985 C16 R975 R969 R970 R930 U928 U929 R934 C927 C35 L3 C25 C53 C52 R5 D2 C25 C13 R976 R974 L7 C923 C925 C928 C924 C649 C668 C667 R644 R664 C669 C647 R564 R565 C543 C501 C601 R505 R516 R506 R406 R1 C415 2 R636 C654 3 R637 C635 C623 R625 C6...

Page 13: ...2 R641 R561 R666 R665 R646 R645 R667 C672 R671 C60 R990 R991 C61 R993 R992 R652 R647 R651 R567 C572 C571 R566 R959 R953 C982 R954 C993 C975 C983 C552 R547 R955 R956 C994 R546 C978 C641 C561 R662 C765 J702 Q815 Q810 Q800 Q813 J701 J811 J810 Q701 Q703 J762 5 5 5 5 5 5 4 4 4 4 4 4 1 1 1 1 1 1 2 2 2 2 2 3 3 3 3 J803 5 4 1 2 2 3 3 J802 J602 5 5 4 4 1 2 3 1 2 2 2 3 3 J601 J502 J501 1 1 1 4 4 4 5 5 5 2 3...

Page 14: ...R517 10K R507 10K C505 100P C515 100P AGND R543 100K AGND C512 NON AGND L511 BEAD L501 BEAD TRIM C541 220 10 C503 NON C513 NON C544 NON R546 10K R547 10K R545 10K R544 10K C548 NON C551 NON AGND A 5 ABIAS R504 100K R514 100K AGND AGND C549 NON C552 NON 3 2 1 4 8 U503A NJM2115 5 6 7 U503B NJM2115 C547 10 16 C501 10 16 C511 10 16 R501 10k R511 10k AGND R502 0 R512 0 R540 NON AGND C522 NON AGND 3 2 8...

Page 15: ...16 BP C471 10 16 C481 10 16 R471 10K R481 10K AGND R472 20K R482 20K P 48 3 2 1 D401 DAN202 K 3 2 1 D402 DAP202K 2 3 1 4 5 J402 NYS234 2 3 1 4 5 J403 NYS234 5 6 7 8 4 U402B NJM4565 3 2 1 U402A NJM4565 LEVEL 10 50dBu CANNON 4 LEVEL 10 30dBu LINE 4 INPUT IMP MIC 3 7K LINE 40K J401 CONN XLR 3 31 LEVEL 10dBV INSERT ANA4_H ANA4_C Foil Side of KEY DISPLAY PCB 8251995 201 D216 S206 D206 D204 D117 S107 D1...

Page 16: ... AN NJM2068MD TEI U102 402 8236 5412 00 ST AN op amp NJM4565M U103 403 8236 5050 11 ST AN op amp NJM2115M TEI ANALOG IN 3 ANALOG MAIN AGND C304 NON AGND AGND 3 2 8 4 1 U301A NJM2068 5 6 7 U301 B NJM2068 C341 0 01 C342 0 01 A 15 A 15 AGND AGND R306 10K C306 100 P R341 150 3 2 1 R391 50KRD R316 10K C316 100P A 15 A 15 R307 10K R317 10K R318 10K R308 10K C307 100 P C317 100P AGND C321 10 16 R322 100K...

Page 17: ... HNIC03F Q810 8234 5057 00 ST NPN HNIC03F Q813 8234 5057 00 ST NPN HNIC03F Q815 8234 5057 00 ST NPN HNIC03F RESISTORs Ref No Part No Description R001 8230 1111 01 H metal 1W 100Ω 5 F15 R002 8230 5101 03 ST carbon 1 15W 10kΩ 5 R003 8230 5105 63 ST carbon 1 15W 56kΩ 5 R004 005 8230 5101 02 ST carbon 1 15W 1kΩ 5 R010 013 8230 5101 02 ST carbon 1 15W 1kΩ 5 R020 029 8230 5104 73 ST carbon 1 15W 47kΩ 5 ...

Page 18: ...8230 5101 03 ST carbon 1 15W 10kΩ 5 R843 843 8230 5102 03 ST carbon 1 15W 20kΩ 5 R845 8230 5101 04 ST carbon 1 15W 100kΩ 5 R846 848 8230 5101 02 ST carbon 1 15W 1kΩ 5 R849 852 8230 5101 03 ST carbon 1 15W 10kΩ 5 R853 854 8230 5102 03 ST carbon 1 15W 20kΩ 5 R855 8230 5101 04 ST carbon 1 15W 100kΩ 5 R856 857 8230 5101 02 ST carbon 1 15W 1kΩ 5 R858 859 8230 5101 03 ST carbon 1 15W 10kΩ 5 R860 8230 51...

Page 19: ...122 20 ST CER 50V 22pF 5 CC11SL C030 33 8233 5131 01 ST CER 50V 100pF 15 CC11R C034 8233 5164 74 ST CER 16V 0 47µF 20 KC20E C035 8233 5121 50 ST CER 50V 15pF 5 CC11SL C036 8233 5151 04 ST CER 25V 0 1µF 80 CC11F C040 8233 0491 06 ST ALU 16V 10µF 20 MV C041 8232 1562 27 VT ALU 10V 220µF 20 SRA C042 8233 5151 04 ST CER 25V 0 1µF 80 CC11F C044 8233 5131 01 ST CER 50V 100pF 15 CC11R C052 053 8233 5131 ...

Page 20: ...763 8233 0491 06 ST ALU 16V 10µF 20 MV C764 8233 5121 00 ST CER 50V 10pF 5 CC11SL C765 8232 1434 77 VT ALU 16V 470µF 20 SME VB C773 8233 0491 06 ST ALU 16V 10µF 20 MV C774 8233 5121 00 ST CER 50V 10pF 5 CC11SL C775 8232 1434 77 VT ALU 16V 470µF 20 SME VB C782 N A C784 N A C786 N A C788 792 N A C799 8233 0491 06 ST ALU 16V 10µF 20 MV C800 815 8233 0491 06 ST ALU 16V 10µF 20 MV C820 821 N A C822 823...

Page 21: ...Coil PVT 22µH 5 LF5 0S L101 801 8242 5041 21 Filter ST EMI EXC3BP 121 L105 405 8242 5041 21 Filter ST EMI EXC3BP 121 L106 406 8242 5041 21 Filter ST EMI EXC3BP 121 L111 611 8242 5041 21 Filter ST EMI EXC3BP 121 L121 621 8242 5041 21 Filter ST EMI EXC3BP 121 L131 631 8242 5041 21 Filter ST EMI EXC3BP 121 L702 802 8242 5041 21 Filter ST EMI EXC3BP 121 L731 732 8242 5041 21 Filter ST EMI EXC3BP 121 L...

Page 22: ...ef No Part No Description D001 8234 1079 00 HT 80V 0 2A MA171 D002 004 8234 1085 00 HT fast recovery D1NL40 D006 8234 5039 76 HT zener MTZ J 24 D008 8234 5052 00 V 600V 1 7A S2V60 4002 D009 8234 1077 00 STACK 600VAC 1 5A D2SBA60 D010 8234 5007 00 HT 1SS136 D020 8234 1085 00 HT fast recovery D1NL40 D100 8234 5007 00 HT 1SS136 RESISTORs Ref No Part No Description R001 8230 1386 29 HT carbon 1 4W 6 2...

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