Fostex DE-1 User manual

DE-1
Service Manual
Model
20-bitDualMultiEffectProcessors

SAFETY INSTRUCTIONS
Read instructions - All the safety and operating instruc-
tions should be read before the appliance is operated.
Retain instructions - The safety and operating instructions
should be retained for future reference.
Heed warnings - All warnings on the appliance and in the
operating instructions should be adhered to.
Follow instructions - All operating and use instructions
should be followed.
Water and Moisture - The appliance should not be used
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
with a cart or stand that is recommended by the manufac-
turer.
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 over-
turn.
Wall or Ceiling Mounting - The appliance should be
mounted to a wall or ceiling only as recommended by the
manufacturer.
Ventilation - The appliance should be situated so that its
location or position does not interfere with its proper ven-
tilation. For example, the appliance should not be situ-
ated on a bed, sofa, rug, or similar surface that may block
the ventilation openings; or, placed in a built-in installa-
tion, such as a bookcase or cabinet that may impede the
flow of air through the ventilation openings.
Heat - The appliance should be situated away from heat
sources such as radiators, heat registers, stoves, or other
appliances (including amplifiers) that produce heat.
Power Sources - The appliance should be connected to a
power supply only of the type described in the operating
instructions or as marked on the appliance.
Grounding or Polarization - The precautions that should
be taken so that the grounding or polarization means of
an appliance is not defeated.
Power Cord Protection - Power supply cords should be
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 recep-
tacles, and the point where they exit from the appliance.
Cleaning - The appliance should be cleaned only as rec-
ommended by the manufacturer.
Nonuse Periods - The power cord of the appliance should
be unplugged from the outlet when left unused for a long
period of time.
Object and Liquid Entry - Care should be taken so that
objects do not fall and liquids are not spilled into the en-
closure through openings.
Damage requiring Service - The appliance should be ser-
viced by qualified service 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 PARTS INSIDE.
TO PREVENT ELECTRIC SHOCK, MATCH
WIDE BLADE OF PLUG TO WIDE SLOT,
FULLY INSERT.
POUR ÉVITER LES CHOCS ÉLECTRIQUES,
INTRODUIRE LA LAME LA PLUS LARGE DE
LA FICHE DANS LA BORNE CORRE-
SPONDANTE DE LA PRISE ET POUSSER
JUSQU' AU FOND.
CAUTION:
ATTENTION:
The exclamation point within an equilateral
triangle is intended to alert the user to the
presence of important operating and mainte-
nance (servicing) instructions in the literature
accompanying the appliance.
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 en-
closure 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 MOIS-
TURE.”
1.
2.
3.
4.
5.
6.
7.
8.
The power supply cord or the plug has been damaged;
or
Objects have fallen, or liquid has been spilled into the
appliance; or
The appliance has been exposed to rain; or
The appliance does not appear to operate normally or
exhibits a marked changed in performance; or
The appliance has been dropped, or the enclosure
damaged.
9.
10.
11.
12.
13.
14.
15.
16.
17.

DE-1
3
TABLE OF CONTENTS
1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. CONTROLS, INDICATORS AND CONNECTORS . . . . . . . . . . . .
3. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST . . . . . .
4. CIRCUIT & BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . .
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
4
5
6
14
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.

4
DE-1
1. SPECIFICATIONS
INPUT & OUTPUT
INPUT (x 2)
Connector ∅ 6 mm phone jack / unbalanced
Input level -10 dBV
Impedance 20 kΩor more
STEREO OUTPUT (L & R)
Connector ∅ 6 mm phone jack / unbalanced
Output level -10 dBV
Impedance 10 kΩor 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.

DE-1
5
2. CONTROLS, INDICATORS & CONNECTORS
< Front Panel >
< Rear Panel >
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
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
PARAM.3
POWER
ADJUST MIX
PARAM.2
1
TYPE VARIATION
DELAY
PITCH
FLANGE
PEAK
VOCAL
L.HALL
ROOM
DLY+REV
S.HALL
PLATE MISC
CHO
5
11
7
3
6
2
4
10
8
9
1
TYPE VARIATION
DELAY
PITCH
FLANGE
PEAK
ADJUST
VOCAL
L.HALL
ROOM
MIX
EFF
DRY
SINGLE DUAL
MODE
PARAM.1
DLY+REV
S.HALL
PLATE MISC
CHO
5
11
7
3
6
2
4
10
8
9
EFF
DRY
DRY+EFF DRY+EFF
EFFECT 2
EFFECT 1
_+
4312 65 1097 8 11 12
< DUAL MODE >
1. TYPE SW
2. VARIATION SW
3. PEAK LED (L channel)
4. PARAM. (PARAMETER) 1 knob
5. MIX knob
6. MODE SW
7. Not functioning
8. Not functioning
9. PEAK LED (R channel)
10. PARAM. (PARAMETER) 2 knob
11. PARAM. (PARAMETER) 3 knob
12. POWER LED
< SINGLE MODE >
MAXMIN MIN MAX
9V
FOOT SW OUTPUT 1
OUTPUT 2
DC IN
1 (1&2)
L (MONO)RRL (MONO) 2DUAL MODE
SINGLE MODE
EFF MUTE
AD-9B
ONLY
RL (MONO)
INPUT
13 14 15 16 17 18 19
13. DC INLET socket
14. Foot SW socket
15. OUTPUT 2 jack sockets
16. OUTPUT 1 jack sockets
17. INPUT 2 jack socket
18. INPUT 1 (1 & 2) jack socket
19. INPUT LEVEL knobs
< DUAL MODE >
13. DC INLET socket
14. Foot SW socket
15. Not functioning
16. Not functioning
17. INPUT L (MONO) jack socket
18. INPUT R jack socket
19. INPUT LEVEL knobs
< SINGLE MODE >

6
DE-1
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
3. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST
DE-1 OVERALL EXPLODED VIEW & PARTS LIST

DE-1
7
1
2
3
BBT 3 x 8 BZn
BBT 3 x 6 BZn
BBT 3 x 6 BZn
BBT 3 x 6 BZn
BBT 3 x 6 BZn
4
BBT 3 x 6 BZn
5
BBT 3 x 6 BZn
6
6
7
8
8
9
11
10
12
13
13
DE-1 OVERALL EXPLODED VIEW

8
DE-1
DE-1 PCB PATTERN DRAWING • Parts side of MAIN PCB
30
15 1
16
A1
30
S1
SD
C101 C201
U103 U203
R101 R201
J7 J8 J3 J4 J5 J6 J2
J1
C3
C16
C17
L10
C9
C4
C5
C12
L11
C11
L4
U2
L9 R24 C10
R102
R212
C208 C2
R12 R13 R14 R15
C1
R211
C19
R6
C8
C7
C14
R47 R48
R45 R44
R40 R41
R5
W4
W3
W2
W1
D202
R210
R113
R213
R22
R210
C109 R112 R111 D102 C108
C104
BR55
BC34
C23
C6
C20
C204
BC32
BR53
R116
C22 C21
C210
BC31 C310 C410
C110
R118 R218 R318 R418
R316 R317 R416
R415
R417
C414
31 31 U303
31
U403
31
U7
3
3
11
R117 R217
C112
C212
C312
C412
C314
C214 R216
C114
BC33
BR52
C18
BR54
C107 C207
BC35
C103 C102
C105
C106
R209
R207 R206
R203 R202
R204
R205
C202
C203
C24
C206
C205
C113
C213
C211
C313
C314
C414
C15
D4
R19
R25
R20
R23
R21
C311
C111
R115
C115
R114
C215
R114
BR50
BC30
BR51
R314
C315
R414
R1
C13
R2
R3
R16
R17
R11
R9
R10
R8
R7
C415
R215
R315
R105
R104
R103
R106
R107
R109
R208
R108
D101
R43R42
D3D20 R26
D2
R18
R4
X1
D1
PCB, MAIN, DE-1 8251526100
D. S. P. BOARD

DE-1
9
• Foil side of MAIN PCB
J1 J1
L2
J6
L6
1
3
2
C3
C9
C201
C203 C203
C204
BC32
BC34
C109
C108
R212
R211
C208
R110
R210 D102
C19
D202
BC35
R111 R112
C104
C101
C5
C11
L11
L1
C12
U2 U7
U19 R25
R3
R7
R43
R101R201
D3 D201 D101
dual mode
single mode
R42 R41
S1
R40
R26
R14 R12 R13
R15
R113 R213
R22
W1
W2
W3
W4
R18
R4
D2
C7
X1 C8
D1
R44
115
A1
3016
R45 R46 R47
R8
R10
R9
R11
R17
R16
1
1
U4 D4
U3
C16
R21
13
R20
C15
L9 R24
C10
R23
C17
C412
C312
C212
C212
C314
C411
C311
R415
C211
R215
R315
C111
R115
C414
C413
L10
3
U403 R418
R416 R417 R217
R317 R316 R216
13
J5
L5
U303 R318
13
J4
L4
U203 R218
R117
BR53 BR52 BC33
R116
BR54
BR55
R102
R202
13
J3
L3
J8
L8
J7
L7
C6
U103 R118
13
1
U202
C21 C22
C2
C1
C1
U1
C20
C18
C23
C313
C114
C113
C202
C205
C105
C24
C206
C106
R205
R204
R206
R106
R203
R207
R107
R208
R5
R6
BR50
BR51
BC51
BC30
R214
R314
C415
RC
C13
R2
C214
C310
C315
C410
C414
R114
C115
R108
R209
R109
C207
C107
R103
R104
R105
C102
C213
C210
1
U102
U5
U6
U101
C214
1
1
1
1
PCB, MAIN, DE-1

10
DE-1
• Parts sides of DSP PCB
1
1
C2
C4
C3
C17
C18
1
1
17
D. S. P.
module
20
30
40
80
90
100
6070
50
X1
U1
U2
R1
C9
C20
C23
J2
C22
C19
R2
C21
J1
C1
8251983001
PCB, DSP, DE-1

DE-1
11
• 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

12
DE-1
• 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%
DE-1 Parts List
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

DE-1
13
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
• 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
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
Abbreviation

14
DE-1
4. CIRCUIT & BLOCK DIAGRAMS
CPU, MAIN, DE-1
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19
U1
TMP87CM40AF
C7 33P
C8 33P
X1 8MHZ
AGND3
A+5
AGND AGND
AGND
D+5
R22 300
R6 100
SCK SO
<> <> <> <> <>
> >
< <
> > >
< <
<<<<<<<<
<<<
AGND3
AGND3
ADGND
AGND
3
2
1
R40
3
2
1
R41
3
2
1
R42
3
2
1
R43
ADGND
ADGND
3
GND
2
1
AGND3
8
1234
756
D3 POWER LED D+5
D+5
A+5
AGND2
D+5
To DSP
C14
470P
1
2
34
56
7
8
D-12
3
2
1R45 3
2
1R47
3
2
1R44 3
2
1R46
AD+5B
A1
AGND3
AGND
AGND3
D+5
P76 P77 P00 P01 P02 P03 P04 P05 P06 P07 P10//INT0 P11/INT1 P12/INT2/TC1 P13//DVO P14//PPG P15/TC2 P16 P17 P20//INT5//STOP
P75
P74
P73
P72
P71
P70
VDD
P67/AIN7
P66/AIN6
P65/AIN5
P64/AIN4
P63/AIN3
P62/AIN2
P61/AIN1 P60/AIN0
VAREF
VASS
P54 P53
P52//PWM//PDO
P51/INT4/TC4 P50/INT3/TC3
P47/SO2
P46/SI2
P45//SCK2
P44/SO1
P43/SI1
P42//SCK1
P41 P40 P37 P36
TEST
P21/XTIN
P22/XTOUT
/RESET
XIN
XOUT
VSS
P30
P31
P32
P33
P34
P35
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
20
21
22
23
24
25
26
27
28
29
30
31
32
64
63
62
61
60
59
58
57
56
55
54
53
52
P73
P72
P71
P70
mode2 mode3
/PD_DSP
/PD_ADDA
/CS_DSP
/RST_DSP
/WRQ_DSP
/MUTE
WRDY_DSP
DRDY_DSP
/PD_ADDA /PD_DSP /RST_DSP /CS_DSP /WRQ_DSP SCK SO WRDY_DSP DRDY_DSP SI
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
VARIATION2 TYPE2 VARIATION1 TYPE1
MODE SW
FOOT SW
MIX2
ADJUST2
MIX1 ADJUST1
Ct VSC OUTc GND
Vsa Vsb V+
RESET
10KB 10KB 10KB 10KB
10KB 10KB 10KB 10KB
R11 10K R12
10K R13
10K R14
10K R15
10K R16
10K R17
330
R9 10K
R7 10K
R8 10K R10
10K
/PD_ADDA
/CS_DSP
/WRQ_DSP
mode0
mode1
mode2
mode3
/PD_DSP
/RST_DSP
SO
SCK
AIN1+ AIN1- AIN2+ AIN2-
AIN1+ AIN1- AIN2+ AIN2-
AOUTL1 AOUTR1 AOUTL2 AOUTR2
AIN1+
AIN1-
AIN2+
AIN2-
ANALOG IN ANA_IN.SCH
ANALOG OUT ANA_OUT.SCH
AOUTL1 AOUTR1 AOUTL2 AOUTR2 /MUTE
AOUTL1
AOUTR1
AOUTL2
AOUTR2
/MUTE
BR50 non
BR51 non
BC30 non BC31
non VBIAS4
A+5
R1 1K
R2 1K C13
0.01 C6
100/10
VBIAS1
BR52 non
BR53 non
BC32 non BC33
non VBIAS2
A+5
BR54 non
BR55 non
BC34 non BC35
non VBIAS3
A+5
AD+5B C10
1/50
D+9
R26 33
C5 100/10
R25 47K /RST_CPU
U3 NJM2103
D+9
L11 68uH
L1 22uH AD+5A
C4 100/10 C11
0.01 C12
0.01
AGND1 AGND2 AGND3
A+5
C3 470/16 C9
0.01
Vin Vout
U2 78M05
J1 D+9
YKB31-0014
2 3 1
9V DC IN
-12V
U4 NJM2360
C15 0.0012uF
L9 68uH
D4 DSK10C
R21 8.2K
R20 1K
V+
CD
SI
C16 100/10
CS
R19
1
GND
ES
CT INV
D+9
AGND3
DSP MODULE
D1 1SS136
YKB21-5074
/MUTE
2 4 3 1
D2 1SS136
R3 1K R4
10K
HI:MUTEOFF LO:MUTEON
SLIDESW
AGND3
BEAD
L2
S1
AGND3
LO: single mode Hi: dual mode
J2
AGND1
SLIDESW R18
10K
D+5
AGND3
non non non non
W1 W2 W3 W4
JUMPER JUMPER JUMPER JUMPER
mode0 mode1
TYPE_B2 TYPE_B1 TYPE_A2 TYPE_A1
MIX2 PARAM2
ADGND
D+5 C1
0.1
AD+5A
AD+5B
MIX1 PARAM1AD+5A
SO
SI
SCK
R5 100
C2 0.1
ADGND

DE-1
15
ANALOG IN, MAIN, DE-1
3
2
8
4
1
AGND
AGND
3
2
1
AGND
3 28
4
1
C106 NON
AIN1+
5 67
AGND
AGND
3
2
1
AGND
AGND 5
67
I
A+5
D-12
AGND
AGND
C103 100/10
AGND
AGND
3 2
8
4
1
5 67
C19 0.01 AGND
C109 0.01
non
AGND
AGND
AGND
INPUT1
INPUT2
U5A NJM2115M
U5B NJM2115M U6B
NJM2115M
U101B NJM4565
U6A NJM2115M
U101A
NJM4565
YKB21-5074 J7
AGND
2 4 3 1
50KA
BEAD
R101
L7
VBIAS1
R103 20K
R102 20K
C23
C101 10u/16 C104
NON
R105 82K
A+5 C18
0.01
C102 10P
R104 10K
R106 10K
C105 10p
R107 10K
A+5 C20
0.01
A+5
R210 15K
R109 330
C208 0.1
AIN1-
DIODE
R213 300
D201 LED
D202
PEAK
C207 10/16
R212 56K R211
1.8K
R206 10K
C206 NON
R207 10K
C205 10p
R204 10K
C204 NON
C202 10p
R205 82K
R203 20K
C203 100/10
C24 non
C201 10u/16 R202
20K
VBIAS1
L8
BEAD
R201 50KA
YKB21-5074
J8 2
4 3 1
R208 330
R209 330
AIN2-
AIN2+
R110 15K
C108 0.1
DIODE R113 300
LED
D102
PEAK
C107 10/16 R112
56K R111
1.8K
A+5
R108 330

16
DE-1
ANALOG OUT, MAIN, DE-1
3 2
8
4
1
C22
0.01
A+5
AGND
AGND
AGND
AGND
2 1
3
J3
AGND
5 67
AGND
AGND
2
1
3
2 3 1 4J4
AGND
3 2
8 4
1AGND
AGND
AGND
2
1
3
AGND
J5
AGND
5 67
AGND
2
1
3
AGND
J6
AGND
AGND
AGND
AGND
AGND
2 3
1
DGND
0
0
OUTPUT1L
OUTPUT1R
OUTPUT2L
OUTPUT2R
VBIAS1
U102A NJM2115M
VBIAS1
U102B NJM2115M
VBIAS1
U202A NJM2115M
VBIAS1
U202B NJM2115M YKB21-5074
YKB21-5074
YKB21-5074 YKB21-5074
(-10dBV)
(-10dBV)
(-10dBV)
(-10dBV)
2 4 3 1
2 4 3 1
2 4 3 1
U103 DTC314TK L3
0
C114 10u/16 R117
1K
R118 100K
U203 DTC314TK L4
0
C214 10u/16 R217
1K
R218 100K
U303 DTC314TK L5
0
C314 10u/16 R317
1K
R318 100K
U403 DTC314TK L6
0
C414 10u/16 R417
1K
R418 100K
C410 10u/16
R414 100K
C413 NON
R416 100K
C412 100/10
C411 10P
R415 27K
AOUTR2
C310 10u/16
R314 100K
C313 NON
R316 100K
C312 100/10
C311 10P
R315 27K
AOUTL2
A+5 C23
0.01
C210 10u/16
R214 100K
C213 NON
R216 100K
C212 100/10
C211 10P
R215 27K
AOUTR1
C110 10u/16
R114 100K
C13 NON
R116 100K
C112 100/10
C111 10P
R115 27K
AOUTL1
R39 10K U10
DTA114EK
D+5
R38 100K
D-12
MUTE

DE-1
17
DSP, DE-1
U1
AK7712A
32
24 30
6 5
8
U2
AGND2
10
AD/DA
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15
TSTI1 OPCL /PDAD /PDDA /PD /RST TSTIO1 TSTIO2 TSTIO3 DVB DVB SDIN2 SDAD SDOUT2 SDDA SDDA2 SDOUT3 SDOUT1 SDIN1 SMODE BCLK LRCK CLKO DVDD DVSS
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
DVB DVB
DVDD
DVSS
DZFSET
DVDD
DVSS
IO7 IO6 IO5 IO4 IO3 IO2 IO1 IO0
/OE
A0 A1 A2 A3 A4 A5 A6 A7 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
XTI
XTO
TSTI2
/CS
/WRQ
DVSS
DVDD
SCLK
SI
WRDY
DRDY
SO
/CASRF
/RASCE
/WE
A16
A15
A14
A13
A12
A11
A10
A9
DVSS
DVDD
NC
AVB
VRADH
AVDD
AVSS
VRADL
VCOM
AINL+
AINL-
AINR+
AINR-
NC
VRDAH
AVDD
AVSS
VRDAL
AOUTL1
AOUTR1
NC
AOUTL2
AOUTR2
AVB
NC
DZF1
DZF2
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
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
D7 D6 D5 D4 D3 D2 D1 D0 A0 A1 A2 A3 A4 A5 A6 A7 A8
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16
20 19 18 17 16 15 14 13
3 2
31
1
12
4
11
7
10
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 VCC VSS
I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7
/OE
/WE
CE2
/CE1
21 22 23 25 26 27 28 29
D0 D1 D2 D3 D4 D5 D6 D7
/CS_DSP
/WRQ_DSP
SCK
SI
WRDY_DSP
DRDY_DSP
SO
/WE
A16
A15
A14
A13
A12
A11
A10
A9
/PD_ADDA /PD_DSP /RST_DSP
/PD_ADDA /PD_DSP /RST_DSP /CS_DSP /WRQ_DSP SCK SI WRDY_DSP DRDY_DSP SO
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C15 0.01 C14
0.01 C13
0.01 C12
0.01 C11
0.01 C10
0.01
C21 0.1 C20
0.1
HEDDER1-15
AGND1
R1 100
J1
D+5
C9 0.01 C8
0.01
C2 10u/16 C7
0.01 C6
0.01
AGND1
C24 0.01
D+5
X1
16.9344MHz
C17 22P C18
22P
AGND1AGND1
AGND1 AGND1
C5 0.01
D+5
TC551001CFT-70L
D+5
C1 10u/16
AGND2
AOUTL1 AOUTR1 AOUTL2 AOUTR2
HEDDER1-15
A+5
J2
AIN1+ AIN1- AIN2+ AIN2-
C23 1500P
C22 1500P
C4 10u/16
R2
C19 0.1
A+5
C16 0.01 C3
10u/16
AGND2

18
DE-1
BLOCK DIAGRAM
• DUAL MODE
D/A
D/A
EFFECT
PROCESSOR
EFFECT
PROCESSOR
D/A
D/A
A/D
A/D
INPUT
INPUT
INPUT 1 (1&2)
INPUT 2
ADJUST
TYPE VARIATION
ADJUST
TYPE VARIATION
DRY
EFF
DRY EFF DRY EFF DRY
EFF
OUTPUT 1
L (MONO)
R
MIX
MIX
OUTPUT 2
L (MONO)
R

DE-1
19
EFFECT
PROCESSOR
D/A
D/A
A/D
A/D
INPUT
INPUT
INPUT L (MONO)
INPUT R
ADJUST
DRY EFF DRY
EFF
MIX
PARAM.1 ADJUST
PARAM.2 ADJUST
PARAM.3
TYPE VARIATION
D/A
D/A
MUTE DATA
MUTE DATA
OUTPUT 1
L (MONO)
R
OUTPUT 2
L (MONO)
R
• SINGLE MODE

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