Fostex DE-1 Service Manual

Service Manual

Model

DE-1

20-bit Dual Multi Effect Processors

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION:

TO PREVENT ELECTRIC SHOCK, MATCH
WIDE BLADE OF PLUG TO WIDE SLOT,
FULLY INSERT.

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

The lightening flash with arrowhead symbol,
within an equilateral triangle, is intended to
alert the user to the presence of uninsulated
“dangerous voltage” within the product's en­closure that may be of sufficient magnitude to
constitute a risk of electric shock to persons.

“WARNING”

“TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOIS­TURE.”

SAFETY INSTRUCTIONS

Read instructions - All the safety and operating instruc-

1.
tions should be read before the appliance is operated.
Retain instructions - The safety and operating instructions

2.
should be retained for future reference.
Heed warnings - All warnings on the appliance and in the

3.
operating instructions should be adhered to.
Follow instructions - All operating and use instructions

4.
should be followed.
Water and Moisture - The appliance should not be used

5.
near water - for example, near a bathtub, washbowl,
kitchen sink, laundry tub, in a wet basement, or near a
swimming pool, and the like.
Carts and Stands - The appliance should be used only

6.
with a cart or stand that is recommended by the manufac­turer.

An appliance and cart combination should be moved with
care. Quick stops, excessive force, and uneven surfaces
may cause the appliance and cart combination to over­turn.
Wall or Ceiling Mounting - The appliance should be

7.
mounted to a wall or ceiling only as recommended by the
manufacturer.
Ventilation - The appliance should be situated so that its

8.
location or position does not interfere with its proper ven­tilation. For example, the appliance should not be situ­ated on a bed, sofa, rug, or similar surface that may block
the ventilation openings; or, placed in a built-in installa­tion, such as a bookcase or cabinet that may impede the
flow of air through the ventilation openings.

ATTENTION:

POUR ÉVITER LES CHOCS ÉLECTRIQUES,
INTRODUIRE LA LAME LA PLUS LARGE DE
LA FICHE DANS LA BORNE CORRE­SPONDANTE DE LA PRISE ET POUSSER
JUSQU' AU FOND.

The exclamation point within an equilateral
triangle is intended to alert the user to the
presence of important operating and mainte­nance (servicing) instructions in the literature
accompanying the appliance.

Heat - The appliance should be situated away from heat

9.
sources such as radiators, heat registers, stoves, or other
appliances (including amplifiers) that produce heat.
Power Sources - The appliance should be connected to a

10.
power supply only of the type described in the operating
instructions or as marked on the appliance.
Grounding or Polarization - The precautions that should

11.
be taken so that the grounding or polarization means of
an appliance is not defeated.
Power Cord Protection - Power supply cords should be

12.
routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords at plugs, convenience recep­tacles, and the point where they exit from the appliance.
Cleaning - The appliance should be cleaned only as rec-

13.
ommended by the manufacturer.
Nonuse Periods - The power cord of the appliance should

14.
be unplugged from the outlet when left unused for a long
period of time.
Object and Liquid Entry - Care should be taken so that

15.
objects do not fall and liquids are not spilled into the en­closure through openings.
Damage requiring Service - The appliance should be ser-

16.
viced by qualified service personnel when:

The power supply cord or the plug has been damaged;

A.

or
Objects have fallen, or liquid has been spilled into the

B.

appliance; or
The appliance has been exposed to rain; or

C.

The appliance does not appear to operate normally or

D.

exhibits a marked changed in performance; or
The appliance has been dropped, or the enclosure

E.

damaged.

Servicing - The user should not attempt to service the ap-

17.
pliance beyond that described in the operating instruc­tions. All other servicing should be referred to qualified
service personnel.

TABLE OF CONTENTS

DE-1

1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. CONTROLS, INDICATORS AND CONNECTORS . . . . . . . . . . . .

3. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST . . . . . .

4. CIRCUIT & BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . .

4
5
6

14

NOTES

* Parts List and circuit diagrams are given in this manual to assist the service technician in maintaining the Model DE-1.
* The following accessories are supplied with DE-1 as the standard accessories.

Owner's manual : 8288441100 (for domestic & export model)
Foot assy, S : 8260561000

* Following is the packing material for the Model DE-1.

Packing, L, DE-1 : 8228454000
Packing, R, DE-1 : 8228455000
Carton, inner, DE-1 : 8228729000

CAUTION

Parts marked with this sign are safety critical components. They must always be replaced with identical components.
Refer to the Fostex Parts List and ensure exact replacement.

3

DE-1

1. SPECIFICATIONS

INPUT & OUTPUT

INPUT (x 2)

Connector ∅ 6 mm phone jack / unbalanced
Input level -10 dBV
Impedance 20 kΩ or more

STEREO OUTPUT (L & R)

Connector ∅ 6 mm phone jack / unbalanced
Output level -10 dBV
Impedance 10 kΩ or more

FOOT SWITCH (x 1) ∅ 6 mm phone jack (Optional Model 8051)

OTHERS

Frequency Response + 1, -2 dB at 20 Hz ~ 14.5 kHz
Dynamic Range 86 dB (IHF A)
AD / DA Converter 20-bit
Total Harmonic Distortion 0.1 % at 100 Hz ~ 10 kHz (w / LPF)
Crosstalk 60 dB at 1 kHz
Sampling Frequency 32 kHz

GENERAL

Dimensions 220 (W) × 187 (D) × 43 (H) mm
Weight 1.0 kg (excluding AC adaptor)
Power Requirement

JPN 100 V AC
USA / CND 120 V AC

UK / EUR 230 V AC
Power supply DC 9 V (center: positive), 600 mA
AC Adaptor AD-9B

STANDARD ENVIRONMENT

Standard Temperature 20 ± 2 ºC
Standard Humidity 65 ± 5 %

ENVIRONMENT CONDITION

Characteristics Guaranteed

Temperature + 5 ºC ~ + 40 ºC

Humidity 30 ~ 70 %

AC voltage deviation ± 5 % or less
Operation Guaranteed

Temperature +- 5 ºC ~ + 45 ºC

Humidity 85 % or less

AC voltage deviation ± 10 % or less

* Specifications and appearance are subject to change without notice for product improvement.

4

2. CONTROLS, INDICATORS & CONNECTORS

< Front Panel >

DE-1

EFFECT 1

TYPE

DLY+REV
VOCAL
PLATE MISC

ROOM
S.HALL

L.HALL

VARIATION

DELAY

CHO

PITCH

FLANGE

6
5
4

3
2

11

PEAK

ADJUST

PARAM.1

7
8

9

10
1

4312 65 1097 8 11 12

< DUAL MODE >

1. EFFECT 1 TYPE SW

2. EFFECT 1 VARIATION SW

3. PEAK LED

4. EFFECT 1 ADJUST knob

5. EFFECT 1 MIX knob

6. MODE SW

< SINGLE MODE >

1. TYPE SW

2. VARIATION SW

3. PEAK LED (L channel)

4. PARAM. (PARAMETER) 1 knob

5. MIX knob

6. MODE SW

MIX

DRY+EFF DRY+EFF

MODE

DRY

SINGLE DUAL

EFF

VOCAL
PLATE

ROOM
S.HALL

L.HALL

TYPE

DLY+REV

FLANGE

DELAY

MISC

CHO

PITCH

5
4

3
2

1

VARIATION

6

PEAK

ADJUST

PARAM.2

7
8

9

10
1

1

DRY

_

7. EFFECT 2 TYPE SW

8. EFFECT 2 VARIATION SW

9. PEAK LED

10. EFFECT 2 ADJUST knob

11. EFFECT 2 MIX knob

12. POWER LED

7. Not functioning

8. Not functioning

9. PEAK LED (R channel)

10. PARAM. (PARAMETER) 2 knob

11. PARAM. (PARAMETER) 3 knob

12. POWER LED

EFFECT 2

MIX

PARAM.3

EFF

+

POWER

< Rear Panel >

9V

AD-9B

ONLY

DC IN

13

< DUAL MODE >

13. DC INLET socket

14. Foot SW socket

15. OUTPUT 2 jack sockets

16. OUTPUT 1 jack sockets

< SINGLE MODE >

13. DC INLET socket

14. Foot SW socket

15. Not functioning

16. Not functioning

EFF MUTE

FOOT SW

14

OUTPUT 2

15

L (MONO)R

R

L (MONO)

OUTPUT 1

2

R

DUAL MODE

SINGLE MODE

MAXMIN MIN MAX

INPUT

1 (1&2)

L (MONO)

16 17 18 19

17. INPUT 2 jack socket

18. INPUT 1 (1 & 2) jack socket

19. INPUT LEVEL knobs

17. INPUT L (MONO) jack socket

18. INPUT R jack socket

19. INPUT LEVEL knobs

5

DE-1

3. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST

DE-1 OVERALL EXPLODED VIEW & PARTS LIST

Ref. No. Part No. Description

1 8221287000 Panel, front, DE-1
2 8221288000 Panel, top, DE-1
3 8221289000 Chassis, VC-8/DE-1
4 8274207000 PCB assy, Main, DE-1
5 8274208000 PCB assy, DSP, DE-1
6 8221292000 Bracket, volume, DE-1
7 8216700100 Shield, EMI, DE-1
8 8216702000 Sheet, screw, DE-1

9 8226189001 Knob, volume, grey, N
10 8226190001 Knob, volume, green, N
11 8226191001 Knob, volume, blue, N
12 8270818003 AC adaptor, AD-9B, USA/CSA

8270818006 AC adaptor, AD-9B, EUR
8270818007 AC adaptor, AD-9B, UK
8270818010 AC adaptor, AD-9B, JPN

13 8216636101 Cushion, button, FD-4/DE-1

6

DE-1 OVERALL EXPLODED VIEW

BBT 3 x 6 BZn

BBT 3 x 6 BZn

2

BBT 3 x 6 BZn

4

DE-1

BBT 3 x 6 BZn

12

BBT 3 x 6 BZn

7

10

6

6

5

13

11

9

13

8

BBT 3 x 6 BZn

3

8

1

BBT 3 x 8 BZn

7

DE-1

R201

J7 J8 J3 J4 J5 J6 J2

R101

D3D20

C3

31

U403

31

U303

C312

U103 U203

31 31

C201

C204

R202

C104

C101

R102

L10

C16

R21
R20
R23

C112

R418

R318

R218

R118

R105

C412

C9

R416

R317

R316

C212

R217

C202

R205
R204
R203

C20

R103
R104

C102

C17

R417

C314

R117

3

R19

U7

D4

C15

C414

C414

C314

C21

C313

C311
C211

R216

C214

C213

C22

C113

C114

R116

C24

BC32

C203

R206

C23

R106

C103

J1

U2

1

3

R415

BR53

R315

R215

C210

C206

C6

C106

1

L9

R115
C111

C205

R107

C105

BR55

R24

R207

C18

R25

BC33

BC34

C4

C10

R2

C13

R1

C310 C410

BC31

C110

BR52

R208

R209

R109

C415

R414

C315
R314

BR51
BC30

BR50

R114
C215

R114
C115

C207

L11

C11

R3

BR54

R108

C107

BC35

C5

L4

16

30

30

PCB, MAIN, DE-1

R211

R212

C109

C12

D. S. P. BOARD

8251526100

C2

R5

R6

C19

D202

D102

C208

C108

R112

R210

R210

R111

R43R42

A1

R44

R7
R8

R10

R9
R11

R17
R16

15 1

R12

R13

R14

R15

W1
W2

C1

W3
W4

D1

X1

C8

C7

C14

R18

R4
D2

R47 R48

R45

R40 R41

R26

S1

SD

D101

R113

R213

R22

DE-1 PCB PATTERN DRAWING

• Parts side of

MAIN PCB

8

R101R201

J7

J8

J3

J4

J5

J6

C201

C101

R202

L3

L4

L5

L6

L7

L8

R102

C104

C204

DE-1

R111

R112

D102

R210

R110

D202

R6
R5

C108

C208

C2

D2

R22

R113

C7

X1

C8

C1

U1

C1

R12

A1

R13

R14

R4

R18

D1

W4
W3
W2
W1

R15

15

R16
R17

R11

R9

R10
R8
R7

1

R213

D101

R40

S1

single mode

dual mode

R45 R46 R47

R44

C102

R105

C203

R104

R106

R103

C23

1

R203
R204

R205

C202

C212

R217

C212

R417

C412

C20

R116

R117

R216

R316

R317

R416

C24

U102

U202

R206

C203

BC32

C114

C113

C213

C314

C313

C413

C6

1

C214

1

C414

U5

3

R118

U103

1

3

R218

U203

1

C312

3

R318

U303

1

3

R418

U403

1

C111
R115

C22

R215

C211

C311
R315

R415

C411

BR55

C106

U6

C206

BR53

C21

C105
R107

1

R207
C205

C18

BC33

R214

BC30

R314

C415

RC

C13

R2

BC34

BR54

C115

C214

C210

BC35
C107
R108

R109

R209
C207

R208

BR52

R114

BR50

BC51

BR51

C310

C315
C410

C414

C109

U101

R212

R211

PCB, MAIN, DE-1

3016

1

C19

L2

C17

D4

R23

J1

1

3

J1

2

C3

L10

R20
R21

C16

U4

C9

• Foil side of MAIN PCB

C15

U19

1

3

U7

1

U2

R3

L9

R24

C10

1

U3

R25

13

C11

L11

D201

R26

R42 R41

L1

C5

C12

R43

D3

9

DE-1

• Parts sides of DSP PCB

D. S. P.

module

J2

C23

C22

C20

C19

17

80

90

100

R2

U2

U1

C1

1

6070

50

40

30

8251983001

R1

J1

C18

PCB, DSP, DE-1

1

C21

20

C9

X1

C17

C4

1

C3

1

C2

10

• Foil sides of DSP PCB

C5

151

1

16

(1)

30

(15)

C8

C7

C16

C4

C3

C6

C24

C13
C14
C15
C12

C11
C10

C1

C2

8251983001

PCB, DSP, DE-1

DE-1

11

DE-1

DE-1 Parts List

• MAIN PCB assy

Ref. No. Part No. Description

8274 2070 00 PCB assy, Main, DE-1

B101 8251 5261 00 Plain PCB, Main, DE-1

ICs

Ref. No. Part No. Description
U001 8236 0852 00 QFP, DG, CPU, TMP87PM40AF
U002 8236 0320 01 220, AN, regulator, NJM78M05FA
U003 8236 5025 00 ST, AN, reset, NJM2103M
U004 8236 5413 00 ST, AN, DC-DC, NJM2360M
U005, 006 8236 5050 11 ST, AN, op amp, NJM2115M
U007 8236 0782 01 PT, DG, driver, DTA114ES
U101 8236 5412 00 ST, AN, op amp, NJM4565M
U102, 202 8236 5050 11 ST, AN, op amp, NJM2115M
U103~403 8236 5043 00 PT, DG, driver, DTA314STP

DIODEs

Ref. No. Part No. Description
D001, 002 8234 5007 00 HT, 1SS136
D003 8234 1046 02 Opt., VT, LED, GRN, SR-332MC-TE7
D004 8234 0196 02 HT, DSK10C-BT
D101, 201 8234 1046 01 Opt., VT, LED, RED, SR-332MC-TE7
D102, 202 8234 5007 00 HT, 1SS136

RESISTORs

Ref. No. Part No. Description
R001~003 8230 1381 02 HT, carbon, 1/4W, 1kΩ, 5%
R004 8230 1381 03 HT, carbon, 1/4W, 10kΩ, 5%
R005, 006 8230 1381 01 HT, carbon, 1/4W, 100Ω, 5%
R007~016 8230 1381 03 HT, carbon, 1/4W, 10kΩ, 5%
R017 8230 1383 31 HT, carbon, 1/4W, 330Ω, 5%
R018 8230 1381 03 HT, carbon, 1/4W, 10kΩ, 5%
R019 8230 1381 09 HT, carbon, 1/4W, 1Ω, 5%
R020 8230 1381 02 HT, carbon, 1/4W, 1kΩ, 5%
R021 8230 1388 22 HT, carbon, 1/4W, 8.2kΩ, 5%
R022 8230 1383 01 HT, carbon, 1/4W, 300Ω, 5%
R023 8230 1381 04 HT, carbon, 1/4W, 100kΩ, 5%
R024 8230 1381 03 HT, carbon, 1/4W, 10kΩ, 5%
R025 8230 1384 73 HT, carbon, 1/4W, 47kΩ, 5%
R026 8230 1383 30 HT, carbon, 1/4W, 33Ω, 5%
R040~043 8240 2870 06 Pot., PL, RT09, 10kΩB, XV092, 20
R044~047 8240 2920 01 Pot., PL, RK16311, 10kΩB, ROT
R101, 201 8240 2870 07 Pot., PL, RT09, 50kΩA, XV092, 20
R102, 202 8230 1382 03 HT, carbon, 1/4W, 20kΩ, 5%
R103, 203 8230 1382 03 HT, carbon, 1/4W, 20kΩ, 5%
R104, 204 8230 1382 03 HT, carbon, 1/4W, 10kΩ, 5%
R105, 205 8230 1388 23 HT, carbon, 1/4W, 82kΩ, 5%
R106, 206 8230 1382 03 HT, carbon, 1/4W, 10kΩ, 5%
R107, 207 8230 1382 03 HT, carbon, 1/4W, 10kΩ, 5%
R108, 208 8230 1383 31 HT, carbon, 1/4W, 330Ω, 5%
R109, 209 8230 1383 31 HT, carbon, 1/4W, 330Ω, 5%

Ref. No. Part No. Description
R110, 210 8230 1381 53 HT, carbon, 1/4W, 15kΩ, 5%
R111, 211 8230 1381 82 HT, carbon, 1/4W, 1.8kΩ, 5%
R112, 212 8230 1385 63 HT, carbon, 1/4W, 56kΩ, 5%
R113, 213 8230 1383 01 HT, carbon, 1/4W, 300Ω, 5%
R114~414 8230 1381 04 HT, carbon, 1/4W, 100kΩ, 5%
R115~415 8230 1382 73 HT, carbon, 1/4W, 27kΩ, 5%
R116~416 8230 1381 04 HT, carbon, 1/4W, 100kΩ, 5%
R117~417 8230 1382 02 HT, carbon, 1/4W, 2kΩ, 5%
R118~418 8230 1381 04 HT, carbon, 1/4W, 100kΩ, 5%

CAPACITORs

ALU = Electrolytic type

CER = Ceramic type

PES = Mylar type

Ref. No. Part No. Description
C001, 002 8232 8181 04 VT, CER, 25V, 0.1µF, +80-20%, YF
C003 8232 1434 77 VT, ALU, 16V, 470µF, 20%, SME-VB
C004~006 8232 1421 07 VT, ALU, 10V, 100µF, 20%, SME-VB
C007, 008 8232 8013 30 VT, CER, 50V, 33pF, 5%, SL
C009 8232 8031 03 VT, CER, 50V, 0.01µF, +80-20%, YF
C010 8232 1461 05 VT, ALU, 50V, 1µF, 20%, SME-VB
C011~013 8232 8031 03 VT, CER, 50V, 0.01µF, +80-20%, YF
C014 8232 8014 71 VT, CER, 50V, 470pF, 5%, SL
C015 8232 8011 22 VT, CER, 50V, 0.0012µF
C016 8232 1421 07 VT, ALU, 10V, 100µF, 20%, SME-VB
C017 8232 1431 07 VT, ALU, 16V, 100µF, 20%, SME-VB
C018~022 8232 8031 03 VT, CER, 50V, 0.01µF, +80-20%, YF
C023, 024 N/A
C101, 201 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB
C102, 202 8232 8011 00 VT, CER, 50V, 10pF ± 0.5pF, SL
C103, 203 8232 1421 07 VT, ALU, 10V, 100µF, 20%, SME-VB
C104, 204 N/A
C105, 205 8232 8011 00 VT, CER, 50V, 10pF ± 0.5pF, SL
C106, 206 N/A
C107, 207 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB
C108, 208 8232 8181 04 VT, CER, 25V, 0.1µF, +80-20%, YF
C109 232 8031 03 VT, CER, 50V, 0.01µF, +80-20%, YF
C110~410 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB
C111~411 8232 8011 00 VT, CER, 50V, 10pF ± 0.5pF, SL
C112~412 8232 1421 07 VT, ALU, 10V, 100µF, 20%, SME-VB
C113~413 N/A
C114~414 8232 1431 06 VT, ALU, 16V, 10µF, 20%, SME-VB
C115~415 N/A

MISCELLANEOUS

Ref. No. Part No. Description
E001 Jumper, F5
E002 Jumper, F10
J001 8245 5440 00 Connector, PL, jack, DC-Inlet,

YKB31-0014

12

Ref. No. Part No. Description
J002~008 8245 3390 04 Connector, PL, jack, phone,

YKB21-5074
L001 8242 1962 23 Coil, pvt, 22µH, 5%, LF-5.0S
L002 8242 5011 21 Filter, ST, EMI, 120, 25%,

MMZ2012S
L003~006 8230 5000 00 Resistor, ST, carbon, 1/10W, 0Ω, 5%
L007, 008 8242 5011 21 Filter, ST, EMI, 120, 25%,

MMZ2012S
L009 8242 1976 83 Coil, pvt, 68µH, 5%, LF7.5
L010 Jumper, F15
L011 8242 1976 83 Coil, pvt, 68µH, 5%, LF7.5
S001 8253 6550 17 SW, PL, slider, 1-2, non-shortening,

SSSF1, cover
W001~004 N/A
X001 8256 1790 02 Resonator, PV, CER, 8MHz, EFOEN
Y801 8245 3400 00 Nut, phone jack

DE-1

• DSP PCB assy

Ref. No. Part No. Description

8274 2080 00 PCB assy, Main, DE-1

B101 8251 9830 01 Plain PCB, DSP, DE-1

ICs

Ref. No. Part No. Description
U001 8236 0849 00 QFP, DG, DSP, AK7712AVT
U002 8236 0846 00 TSOP, DG, SRAM,

TC551001CFT-70L

RESISTORs

Ref. No. Part No. Description
R001 8230 5001 01 ST, carbon, 1/10W, 100Ω, 5%
R002 8230 5001 00 ST, carbon, 1/10W, 10Ω, 5%

CAPACITORs

ALU = Electrolytic type

CER = Ceramic type

PES = Mylar type

Ref. No. Part No. Description
C001~004 8232 2181 06 VT, ALU, 16V, 10µF, 20%, SRE
C005~015 8233 5041 03 ST, CER, 25V, 0.01µF, 10%, CC20R
C016 8233 5041 04 ST, CER, 25V, 0.1µF, 10%, CC20R
C017, 018 8233 5002 20 ST, CER, 50V, 22pF, 5%, CC20SL
C019~021 8233 5041 04 ST, CER, 25V, 0.1µF, 10%, CC20R
C022, 023 8233 5001 52 ST, CER, 50V, 0.0015µF, 5%, CC20R
C024 8233 5041 03 ST, CER, 25V, 0.01µF, 10%, CC20R

MISCELLANEOUS

Ref. No. Part No. Description
X001 8256 1830 01 Resonator, ST, CER, 16.384MHz,

EFOD

J001, 002 8245 3260 15 Connector, plug, 15P,

IMSA-1068Z006

Abbreviation

QFP: Quad Flat Package
220: TO-220 type
AN: Analog
DG: Digital
ST: Surface mounting Taping device
HT: Horizontal mount taping device
V: Vertical mount
VT: Vertical mount Taping device
PI: Penetrate mount I form (straight)
PL: Penetrate mount L form (right angle)
PT: Penetrate mount Taping device
PIT: Penetrate mount I form Taping device
TSOP: Thin Small Outline Package

13

DE-1

MIX2

AD+5A

R43

3

2

ADGND

C1

0.1

D+5

TYPE_B2

TYPE_B1

2

2

2

10KB 10KB 10KB 10KB
2

R10

/RST_DSP

R8

/PD_DSP

SCK

SO

mode3

mode2

mode1

mode0

/WRQ_DSP

/CS_DSP

/PD_ADDA

TYPE_A2

10K

10K

AD+5B

3

R47

1

3

R46

1

3

R45

1

3

R44

VARIATION2 TYPE2 VARIATION1 TYPE1

D+5

CPU, MAIN, DE-1

4. CIRCUIT & BLOCK DIAGRAMS

1

ADGND

R17

330

R16

10K

R15

10K

R14

10K

R13

10K

R12

10K

R11

10K

R9

10K

R7

10K

1

10KB

TYPE_A1

AGND3

3

D+5

A+5

ADJUST2

R42

2

10KB

MIX2

PARAM2

P70
P71
P72
P73

mode0

W1W2W3

non

To DSP

A1

ANALOG IN

mode1

ANA_IN.SCH

MIX1

AD+5B

R41

3

1

2

<<<<<<<<

52
53
54
55
56
57

VDD

58

P70

59

P71

60

P72

61

P73

62

P74

63

P75

64

JUMPER

JUMPER

JUMPER

W4

non

non

non

/PD_ADDA

/PD_DSP

/RST_DSP

/CS_DSP

123456789101112131415

161718192021222324252627282930

AIN1+

AIN1-

AIN2+

ADJUST1

R40

3

1

2

10KB

P62/AIN2
P63/AIN3
P64/AIN4
P65/AIN5
P66/AIN6
P67/AIN7

JUMPER

/WRQ_DSP

AIN2-

10KB

C2

AD+5A

MIX1

PARAM1

<

<

<

51504948474645444342414039383736353433

P54

VASS

VAREF

P61/AIN1

P60/AIN0

P76

P77

P00

P01

P02

123456789

<><><><><>

mode2

mode3

/PD_DSP

/CS_DSP

/PD_ADDA

AGND3

SCKSOWRDY_DSP

DRDY_DSP

SI

AOUTL1

AOUTR1

AOUTL2

AOUTR2

AIN1+

AIN1-

AIN2+

AIN2-

AIN1-

AIN2-

AIN1+

AIN2+

/RST_DSP

ADGND

1

0.1

ADGND

P53

P47/SO2

P51/INT4/TC4

P50/INT3/TC3

P52//PWM//PDO

U1

TM P87CM 40AF

P03

P04

P05

P06

P07

101112131415161718

>

/MUTE

/WRQ_DSP

WRDY_DSP

R18

10K

D+5

S1

SLIDE SW

SLIDE SW

MODE SW

DSP MODULE

AOUTL1

ANALOG OUT

ANA_OUT.SCH

SI

SO

SCK

R5

100

R6 100

<

SCK

SO

>

>

>

P41

P46/SI2

P43/SI1

P44/SO1

P45//SCK2

P42//SCK1

P10//INT0

P11/INT1

P12/INT2/TC1

P13//DVO

P14//PPG

P15/TC2

>

DRDY_DSP

D2

D+5

R4

R3

AGND3

LO: single mode

Hi: dual mode

AGND1

AGND2

AOUTR1

AOUTL2

AOUTR2

AOUTL1

AOUTL2

AOUTR1

AOUTR2

P40

P37

P36

P16

P17

P20//INT5//STOP

19

D1

1SS136

10K

1K

L2

243

J2

/MUTE

/MUTE

P35
P34
P33
P32
P31
P30
VSS
XOUT
XIN
/RESET
P22/XTOUT
P21/XTIN
TEST

HI: MUTE OFF

LO: MUTE ON

1SS136

AGND3

BEAD

1

/MUTE

YKB21-5074

FOOT SW

A+5

L11

68uH

D+5

VBIAS3

BC35

non

BC34

non

BR55

non

BR54

non

A+5

BR52

A+5

D+5

C10

AD+5B

R1

A+5

BR50

A+5

AGND3

1/50

D3

POW ER LE D

32
31
30
29
28

R22

300

<<<

27
26
25
24
23
22
21
20

C7 33P

AGND3

470P

C14

/RST_CPU

D+9

56

Vsa Vsb V+

7

R25

47K

D+9

AD+5A

L1

22uH

AGND3

X1

8MHZ

C8

33P

AGND3

AGND3

8

U3

NJM2103

4

RESET

2 3

Ct VSC OUTc GND

1

R26

33

C5

100/10

ADGND

C12

0.01

C11

0.01

-12V

C4

100/10

AGND2 AGND3

1

2

GND

Vin Vout

U2

78M05

3

C9

0.01

C3

470/16

D+9

231

YKB31-0014

J1

AGND

9V DC IN

AGND1

D4

DSK10C

U4

NJM2360

CS

1
8

1

R19

D+9

BC33

BC32

non

1K

BC31

BC30

non

D-12

R20

23456

ES

7

non

non

non

non

1K

VBIAS2

BR53

non

VBIAS1

C6

C13

R2

1K

VBIAS4

BR51

non

INV

V+CDSI

100/10

0.01

CT

GND

AGND

R21

C16

AGND

AGND

AGND

8.2K

C15

100/10

0.0012uF

L9

68uH

AGND3

14

DE-1

C108 0.1

A+5

A+5

R110

15K

C19

D102

0.01

8

3

DIODE

AGND
1

2

C107

C109

4

10/16

R111

R112

R113

300

U101A

NJM4565

1.8K

56K

D-12

0.01

AGND

PEAK

LED

C102

10P

AGND

AIN1+

R108

330

R107 10K

C105 10p

R104

10K

C18

A+5

A+5

C20

0.01

0.01

R106

8

C104

8

10K

AGND

3

NON

AGND

1

2

1

2

AIN1-

R109

U6A

3

C106

U5A

NJM2115M

4

330

NJM2115M

4

AGND

NON

AGND

R105

82K

C208 0.1

A+5

C103

100 /10

R210

15K

D202

C207

5

10/16

DIODE

7

AGND

6

U101B

NJM4565

R213

R212

300

R211

56K

D201

1.8K

PEAK

LED

C202 10p

AGND

R204

AIN2+

10K

R208

330

C205 10p

R207 10K

6

R206

10K

7

5

C204

NON

AIN2-

7

5

U5B

6

R209

330

U6B

NJM2115M

C206

NON

NJM2115M

R205

82K

C203

100/10

AGND

L7

R101

243

J7

3

R102

C101

BEAD

20K

10u/16

2

1

R103

20K

50KA

1

AGND

YKB21-5074

I

INPUT1

AGND

C23

non

VBIAS1

AGND

L8

R201

50KA

243

J8

3

R202

20K

C201

10u/16

2

BEAD

1

INPUT2

R203

20K

1

AGND

YKB21-5074

C24

AGND

VBIAS1

non

AGND

ANALOG IN, MAIN, DE-1

15

DE-1

R115 27K

C111 10P

OUTPUT1L

0.01

C22

A+5

C13

J3
243

L3

0

U103

DTC314TK

R117

1K

C114

10u/16

AGND

8

3

NON

1

0

2

2

R114

1

R118

100K

3

U102A

NJM2115M

4

R116

100K

(-10dBV)

YKB21-5074

AGND

1

AGND

AGND

C112

100K

VBIAS1

AGND

C211

100/10

10P

AGND

R215

27K

OUTPUT1R

J4

231

4

L4

0

R218

2

U203

DTC314TK

3

R217

1K

C214

10u/16

7

U102B

NJM2115M

5

6

C213

NON

R214

100K

(-10dBV)

YKB21-5074

AGND

100K

AGND

1

AGND

C212

R216

100K

100/10

VBIAS1

AGND

R315 27K

C311 10P

OUTPUT2L

C23

0.01

A+5

C313

C310

L5

0

U303

DTC314TK

R317

1K

C314

10u/16

AGND

8

3

NON

10u/16

J5
243

1

2

R314

1

R318

2

3

U202A

NJM2115M

4

100K

(-10dBV)

YKB21-5074

100K

AGND

1

AGND

AGND

C312

R316

100K

VBIAS1

AGND

C411

100/10

10P

AGND

R415

27K

OUTPUT2R

J6
243

L6

0

0

2

U403

DTC314TK

R417

1K

C414

10u/16

7

U202B

5

6

C413

NON

R414

100K

C410

10u/16

YKB21-5074

1

AGND

R418

100K

1

3

NJM2115M

R416

100K

(-10dBV)

AGND

AGND

C412

100/10

VBIAS1

AGND

C110

10u/16

AOUTL1

C210

ANALOG OUT, MAIN, DE-1

10u/16

AOUTR1

D+5

AOUTL2

D-12

R38

100K

1

U10

DTA114EK

2 3

DGND

R39

10K

MUTE

AOUTR2

16

A+5

J2

123456789

AIN1+

AIN1-

AIN2+

C22

1500P

C23

AIN2-

1500P

R2

A+5

1011121314

AOUTL1

AOUTR1

C19

0.1

C4

10u/16

C20

0.1

C21

0.1

10

AOUTL2

AOUTR2

HEDDER1-15

15

AGND2

D7D6D5D4D3D2D1D0A0A1A2A3A4A5A6A7A8

75747372717069686766656463626160595857565554535251

IO7

IO6

IO5

IO4

IO3

IO2

U1

AK7712 A

TSTIO2

TSTIO3

DVB

DVB

SDIN2

SDAD

101112131415161718192021222324

C16

C10
C11
C12
C13
C14
C15

C3

76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100

AGND2

0.01

0.01

0.01

0.01

0.01

0.01

10u/16

0.01

DVB

DVB

DZF2

DVSS

DVDD

DZF1

NC

NC

NC

NC

AGND2

DZFSET

AVB

AOUTR2

AOUTL2

AOUTR1

AOUTL1

VRDAL
AVSS
AVDD

VRDAH
AINR-

AINR+

AINL-

AINL+

VCOM

VRADL
AVSS
AVDD

VRADH

AVB

TSTI1

OPCL

/PDAD

/PDDA

/PD

123456789

/PD_ADDA

/PD_DSP

DVSS

DVDD

/RST

TSTIO1

/RST_DSP

A0A1A2A3A4A5A6A7A8

IO1

IO0

/OE

AD/DA

SDOUT2

SDDA

SDDA2

SDOUT3

SDOUT1

SDIN1

SMODE

BCLK

LRCK

CLKO

DVDD

DVSS

25

D0D1D2D3D4D5D6

21222325262728

I/O0

A0A1A2A3A4A5A6A7A8A9A10

U2

20191817161514

A0A1A2A3A4A5A6A7A8A9A10

DVDD

50

DVSS

49

A9

48

A10

47

A11

46

A12

45

A13

44

A14

43

A15

42

A16

41

/WE

40

/RASCE

39

/CASRF

38

SO

37

DRDY

36

WRDY

35

SI

34

SCLK

33

DVDD

32

DVSS

31

/WRQ

30

/CS

29

TSTI2

28

XTO

27

XTI

26

C6

0.01

C7

0.01

C8

0.01

C9

0.01

C2

10u/16

D+5

C24

0.01

I/O1

AGND1

I/O2

A9
A10
A11
A12
A13
A14
A15
A16
/WE

I/O3

I/O4

X1

16.9344MHz

I/O5

I/O6

D7

29

I/O7

3

2311124117

13

C18

22P

C17

22P

A11

A12

A11

A12

A13

SO
DRDY_DSP
WRDY_DSP
SI
SCK

/WRQ_DSP
/CS_DSP

AGND1

AGND1

A13

A14

A14

A15

A15

10

A16

A16

DE-1

D+5

AGND1

32

6

5

/OE

/WE

CE2

/CE1

VCC

VSS

TC551001CFT-70L

8

24 30

C5

0.01

C1

10u/16

D+5

AGND1

DSP, DE-1

D+5

/PD_ADDA

/PD_DSP

/RST_DSP

/CS_DSP

/WRQ_DSP

SCKSIWRDY_DSP

R1

100

123456789101112131415

J1

DRDY_DSP

SO

AGND1

HEDDER1-15

17

DE-1

DRY

L (MONO)

D/A

EFF

EFF

OUTPUT 2

R

D/A

MIX

EFF

DRY

OUTPUT 1

R

D/A

MIX

EFF

DRY

L (MONO)

D/A

DRY

TYPE VARIATION

EFFECT

PROCESSOR

A/D

INPUT

ADJUST

TYPE VARIATION

ADJUST

EFFECT

PROCESSOR

A/D

INPUT

18

• DUAL MODE

BLOCK DIAGRAM

INPUT 1 (1&2)

INPUT 2

DE-1

DRY

L (MONO)

D/A

EFF

OUTPUT 1

MIX

EFF

R

D/A

L (MONO)

D/A

DRY

MUTE DATA

OUTPUT 2

R

D/A

MUTE DATA

A/D

INPUT

VARIATION

TYPE

EFFECT

PROCESSOR

ADJUST

PARAM.3

ADJUST

PARAM.2

ADJUST

PARAM.1

A/D

INPUT

• SINGLE MODE

INPUT L (MONO)

INPUT R

19

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. 1999 8288780000