Fostex VF-16 VCO, MAIN PCB, VF-16

39

VF-16

VCO, MAIN PCB, VF-16

GR

POWER

GR

VCO+5

VCOGND

PD1

FCONT1

PLL_SEL

EXT_MCLK1

VCO+5

DGND

VCOGND

DGND

VCOGND

TP1

TP

C49

0.01 C50

0.01

REF

1

PD

2

VDDA

3

AMPI

4

AMPO

5

VSSA

6

XI

7

XO

8VSS 9

CKO 10

M1 11

M2 12

S1 13

S2 14

LOCK 15

VDD 16

U9

TC9246F

R30

1.5K

L4

22uH

C51

0.01

R32

220K

C57

0.01

C58

0.47

13001

R34

BEAD-3BB102

C59

10/16

C60

0.1

TP2

TP

C61

0.01 C62

0.01 C63

10/16

REF

1

PD

2

VDDA

3

AMPI

4

AMPO

5

VSSA

6

XI

7

XO

8VSS 9

CKO 10

M1 11

M2 12

S1 13

S2 14

LOCK 15

VDD 16

U10

TC9246F

R35

750

C64

15p

R36

8.2k

C65

0.47

R37

non

R38

330

R39 10K

R40

100

L6

22uH

R41

BEAD-3BP121

C66

0.01

C67

0.01

R42

22k

C68

0.1

C52

15P

R31

100

C19

0.01

R2

BEAD-3BB102 512FS DSP

512FS

C7

10/16

DIF LOCK

VARI LOCK

DGND

C11

D12

S10

R

13

Q

9

Q

8

U36B

74VHC74

VARI_256FS

DGND

D+5

C54 0.01

C53

0.01

VARI_FS

EXT_LRCK EXT_LRCK

R3

BEAD-3BB102

1

23

14

U35A 74VHC00

4

56

U35B

74VHC00

9

10 8

U35C

74VHC00

12

13 11

U35D

74VHC00

VARI/EXT

D+5

C

3D

2

S4

R

1

Q5

Q6

VCC 14

U36A

74VHC74

D+5

VARI_512FS

DGND

D+5

DGND

GND DGND

Contents

Main SAFETY INSTRUCTIONS CAUTION CAUTION: ATTENTION: WARNING Page 1. SPECIFICATIONS DEFINITION SPECIFICATIONS GENERAL VF-16 2. CONTROLS, INDICATORS & CONNECTORS 6/14/F5/13/E1/9/A 4/12/D3/11/C2/10/B 7/15/G PEAK 8/16/H 010 61 62 63 64 65 66 67 68 69 70 3. SOFTWARE UPDATE 3-1. Required Tools 3-2. Software Updating Procedures 4. SERVICE MODE 4-1. Putting VF-16 into Service Mode 4-2. Flash ROM (software) version 4-4. Self Check Optical Cable MIDI cable 4-3. DA Test SCSI Cable SCSI Drive (ZIP, MO, etc) ID #: 1 ~ 6 < Cable connection when in SelfCheck mode > Page Page 4-5. Offset Display 4-5. Initializing Disk 4-6. Flash ROM 4-7. Free Block Check 6/14/F5/13/E1/9/A 4/12/D3/11/C2/10/B 7/15/G 8/16/H 4-8. Product Initialize This mode is exclusively used at our assembly line and has nothing to do with servicing the unit. 4-9. Key & LED Check Tests 4-9-1. Key & LED Check ABCDEFGH 4-9-2. LED Check 2 ABCDEFGH PHONES 010 MON OUT 12345678 : ORANGE ABCDEFGH PHONES 010 : YELLOWISH GREEN MON OUT To get out of the test mode, press the MASTER key while holding down the [SHIFT] and [STOP] keys. 2/10/B 6/14/F 7/15/G 8/16/H L R5/13/E4/12/D3/11/C1/9/A 6/14/F5/13/E1/9/A 4/12/D3/11/C2/10/B 7/15/G 8/16/H VF-16 ERROR CODE LIST DESCRIPTION ERROR CODE 6. EXPLODED VIEW, PCB ASSEMBLY & PARTS LIST VF-16 OVERALL EXPLODED VIEW & PARTS LIST A C F B VF-16 PCB ASSEMBLIES Parts Side of MAIN PCB T800mA 250V INPUT AMP PCB,MAIN,VF-16 Foil Side of MAIN PCB J J1 C259 C165 Parts Side of KEY & KEY2 PCB 5 4 BA 21 10 21 9 Foil Side of KEY & KEY2 PCB 8251996301 CB A A 1 Parts& Foil Side of MIC/MON PCB INPUT BAL J1 C11 C7 VF-16 Parts List Page Page Page Page Page Page 7. CIRCUIT & BLOCK DIAGRAMS ROOT, MAIN PCB, VF-16 POWER CPU AUDIO_IF DSP CPU, MAIN PCB, VF-16 MEMORY MEMORY, MAIN PCB, VF-16 FLASH MEMORY DRAM VCC 14 /CS_EPROM 14 S4 R 1 GATE ARRAY, MAIN PCB, VF-16 SCSI VCO SLAVE SCSI I/F, MAIN PCB, VF-16 DD16 DD17 DD16 DD15 VCO, MAIN PCB, VF-16 S10 R 13 14 VCC 14 S4 R SLAVE GR, MAIN PCB, VF-16 ROOT, DSP, MAIN PCB, VF-16 DSP 2 RECBUS_DOUT3 5 SO_DSP4 ANALOG IN, MAIN PCB, VF-16 DSP1, MAIN PCB, VF-16 AK7716 DSP1 DSP2, MAIN PCB, VF-16 AK7716 DSP2 ANALOG OUT, MAIN PCB, VF-16 POWER, MAIN PCB, VF-16 21 13 7 AC IN INPUT MONITOR PEAK LED INPUT, MIC/MONITOR PCB, VF-16 INPUT7 -10dBV INSERT8 UNBAL MONITOR, MIC/MONITOR PCB, VF-16 PHONES 20mW 16ohm MON OUT L MON OUT R PEAK LED, MIC/MONITOR PCB, VF-16 +12V +12V R*61=240k R*62=27k R*61=62k R*62=47k KEY_CPU KEY LED FADER CPU, KEY PCB, VF-16 P41/TMO0 10 P40/TMCI0 9 VCC 14 A14 A13 KEY, KEY PCB, VF-16 KEY_SEG5 KEY_SEG7 KEY_SEG4 KEY_SEG3 LED, KEY PCB, VF-16 FADER, KEY PCB, VF-16 PEAK LED PCB, VF-16 LCD PCB, VF-16 KEY2 PCB, VF-16 KEY_SEG6 KEY_SEG0 BLOCK DIAGRAM (INPUT), VF-16 3BAND EQ TRK 9-16 / INPUT A-H TRK 1-8 3BAND EQ (or COMP) 16TRK HDR 3BAND EQ COMP