Phonic DFX256 User manual

CONTENTS...........................................................2
PANELLAYOUT....................................................3
SYSTEMBLOCK DIAGRAM..................................4
PANELPCB..........................................................5
PANELCTLSCHEMATIC....................................6
PANELPCB-PARTLIST....................................7~8
ANALOG PCB.......................................................9
ANALOGINPUTSCHEMATIC..............................10
POWERSUPPLYSCHEMATIC...........................11
ANALOGPCB-PARTLIST..............................12~13
PHONICCORPORATIONPage 2
CONTENTS
MAX860 /1500 /2500 SERVICEMANUAL
REVERBPCB.......................................................14
REVERBDSP SCHEMATIC................................15
REVERBCONTROLSCHEMATIC.......................16
INPUTBOARDPCB-PARTLIST.....................17~18
MISCELLANEOUSITEMS-PARTLIST.................19
POWERREQUIREMENTCLASSIFICATION...........20
EXPLODEDVIEW.................................................21

POWER
AC 10V
FOOT SWITCH
PATTERN
SELECT
116
2
3
4
5
6
7
10
11
12
13
14
15
OUTPUT INPUT
RLRL(MONO)
EFFECT MODE
01 ROOM
02 HALL
01 PLATE
04 CHAMBER
05 GATED REVERB
06 REVERSE REVERB
07 MONO DELAY
08 OFFSET DELAY
03
09 MONO TAPPED DELAY
10 MULTI-TAP & DUAL DELAY
01 STEREO CHORUS
12 STEREO FLANGE
13 CHORUS+DELAY
14 FLANGE+REVERB
15 CHORUS+REVERB
16 DELAY + REVERB
11
INPUTINPUT
RRLL
PEAKPEAK
100
POWERPOWER
OUTPUT
010
MIXMIX
DRY WET
DIGITAL EFFECT PROCESSOR
89
PANEL LAYOUT
PANEL LAYOUT
PHONIC CORPORATION DFX256 SERVICE MANUAL Page3

DFX256 BLOCK DIAGRAM
L
RED:PEAK
GREEN:SIGNAL
G R
UP
REVERB MICRO SELECT
RED:PEAK
GREEN:SIGNAL
G R
INPUT LEVEL
R
INPUT
RELY CTL.
CONTROL
DOWN
REVERB SELECT
FOOT SW
DRIVER
REV. CTL.
L
OUTPUT
R
MIX LEVELOUTPUT LEVEL
+9V -9V +5V
POWER SUPPLY
DC JACK
AC10V IN
Page4
PHONIC CORPORATION DFX256 SERVICE MANUAL
SYSTEM BLOCK DIAGRAM
SYSTEM BLOCK DIAGRAM

R216
COM.
1234
U201
1 9
1018
U203
E C B
Q205
R220
R248 R236
+
C205
R247
D210
R230
D209
R231
BC203
VR101 VR102
+
C204
R227
R249
R229
R240
R239
R213
E C B
Q202
ECB
Q201
ECB
Q203
D206
D205
D207
D208
C202
R245
R242
R211
R206
R210
R207
R246
R244
R208
R209
JP205
U202
ECB
Q207
ECB
Q206
JP203
JP202
JP201
R235
R205 R202
R203
+
C203
JP204
U204
SW201
E C B
Q204
R241
R243
R131
R130 R137
R136
R116 R117 R129
R238 R237
R128
R204
R226
R225
R224
R223
R222
R221
R219
R218
SW202
R215
R217
BC201
VR103
BC202
D203 D204
U205
R234
R214
1.BIT_7 2.BIT_6 3.BIT_5 4.BIT_4 5.PEAK_ 6.STEP 7.DOWN 8.UP
JP205
290-02060-200-0
GRN;SIGNAL
RED:PEAK
DP
6.DGND 5.D+5V 4.BIT_3 3.BIT_2 2.BIT_0 1.BIT_1
3.OUT_R 2.AGND 1.OUT_L
AIN_R_
AGND
AIN_L_
AGND
MIX_R_
AGND
MIX_L_
SIG_R SIG_L AGND R_IN# AGND L_IN# AGND R_IN AGND L_IN
INPUT
L R
MIX DOWN
UP
ENCODER OUTPUT
PANEL PCB
PANEL PCB
PHONIC CORPORATION DFX256 SERVICE MANUAL Page5

L_IN R_IN# SIG_R SIG_L R_IN L_IN#
1 2 3 4 5 6 7 8 9 10
JP201
HEADER 10
L_IN R_IN# SIG_R SIG_L R_IN L_IN#
5 6
4
U204B
4081
R238
220
1 2
3
U204A
4081
D204A LED*2
D204B
LED*2
SIG_R
SIG_R
D209
1N4148
D201
1N4148 R201
100
-9v
3 2
1
8 4U206A
4558
R252 220K
AIN_R
R250
10K
INPUT PCB
+9v
R228 100K
C201
0.22uF/25V
SIG_L
+5V
12 13
11
U204D
4081
D203A LED*2
D203B LED*2
(SIG/PEAK)
8 9
10
U204C
4081
R237
220 MIX_L
MIX_R AIN_R#
MIX_L MIX_R AIN_R#
1 2 3 4 5 6 7 8
JP202
HEADER 8
AIN_L#
1 2 3
JP203
HEADER 3
OUT_L OUT_R
DP
AIN_L#
OUT_L OUT_R
+5V
PEAK_
R230
10K
R231
10K
Q206
2SA1015
R229
10K
R247
100
R248
33K
C205 2.2uF/25V
SIG_L
D210
1N4148
D202
1N4148
R232
100 C206
0.22uF/25V
R233 100K
5 6
7
U206B
4558
R255 220K
AIN_L
R253
10K
D+5V
+5V
Q205
2SC1815 R236
10K
F 1
G 1
F1
1 8
1 7
1 6
1 5
1 4
1 3
1 2
1 1
1 0
1 2 3 4 5 6 7 8 9
U203
DUAL 7 SEG
A 1
B 1
F 2
A 2
B 2
A2
F2
G2
A1
B1
D+5V
B2
G1
AGND DGND
BIT_7 BIT_6 BIT_5 BIT_4 PEAK_ STEP DOWN UP
1 2 3 4 5 6 7 8
JP205A
HEADER 8
C 1
D P 1
E 2
D 2
G 2
C 2
D P 2
C2
DP2D2
E2C1
DP1D1
R215 330
E 1
D 1
E1
DP1 DP2
R234
330
R235
330
Q207 2SC1815
DP
R249
10K
STEP
R207 10K
4 5
6
U202B 74HC00
9 10
8
U202C 74HC00
R246 10K
12 13
11
U202D 74HC00
C202
0.1uF
R211 1.5M
C204 100uF/10V
Q202
2SA1015
D+5V
R206 10K
D+5V
R244 22K
BC202 0.1uF
R243 33K
R241 10K
D208
1N4148
D207
1N4148
R242
10K
C203
100uF/10V
1 2
3
U202A
74HC00
R209 2.7K
Q203
2SA1015
R245
47K
Q201
2SC2240
R208
10
D+5V
R210
27K
BIT_7 BIT_6 BIT_5 BIT_4
10/CLK
1
19/~OE
11
11
2
12
3
13
4
14
5
15
6
16
7
17
8
18
9
~F0 12 ~F1 13 ~F2 14 ~F3 15 ~F4 16 ~F5 17 ~F6 18 ~F7 19 VCC 20
G10
U205 16V8
B1 C1 B2 F2 A2 D2 E2 A1 G2 C2
R222 330 R221 330 R226 330 R214 330 R220 330 R219 330 R218 330 R217 330 R216 330
BIT_1 BIT_0 BIT_2 BIT_3 D+5V DGND
1 2 3 4 5 6
JP205B
HEADER 6
F1 D1 E1
R225 330 R223 330 R224 330
Q204 2SC1815
D+5V
R227
10K
D+5V
D+5V
BC203 0.1uF
UP
R239
10K
SW201 UP
D205
1N4148
R213 2.2K
R202
10K
R205 10K
R203
10K
R204
10K
D+5V
2 3 4 51
U201 4 BIT ENCODER
BIT_0 BIT_1 BIT_2 BIT_3
D206
1N4148
DN
R240
10K
SW202 DOWN
D+5V D+5V
BC201 0.1uF
Page6
PHONIC CORPORATION DFX256 SERVICE MANUAL
PANELCTL SCHEMATIC
PANEL PCB

Page
PANEL PCB
PHONIC CORPORATION DFX256
SERIVCE MANUAL
7
PANEL PCB-PART LIST
Ref. Phonic Part No.
Specifications
290-02060-200-
0
PCB VERBIFEX-B片PANEL
382-20005-010-
0
TINNER WIRE 5.0MM D0.6
382-20007-510-
0
TINNER WIRE 7.5MM D0.6
382-20010-010-
0
TINNER WIRE 10MM D0.6
BC201-203.C202 042-10426-050-
0
C/C2 0.1MF M 50V 5 T
C203.204 030-10718-0A0-
0
E/C 100MF Z 10V 6*11 5 T
C205 030-22558-0A0-
0
E/C 2.2MF Z 50V 5*11 T
D203.204 100-00060-030-
0
LED LEG2062
D205-208.209.210 090-02000-020-
0
DIODE 1N4148 T
JP201 212-10100-280-0 10P WAFER/P 80MM UL1007#24
P=2.5MM
JP202 212-10080-460-
0
8P WAFER/P 80MM UL1007#24
P=2.5MM
JP203 212-10031-010-
6
3P WAFER/P 80MM UL1007#24
P=2.5MM
JP204, JP205 212-10140-110-0 14P WAFER/P 100MM 8+6 UL1007#24
PH=2.5
LED*2 615-20082-620-
0
LED HOUSING LED3-8
Q201 120-00001-010-
0
TRAN 2SC2240-BL TOSHIBA
Q202.203.206 121-00000-200-
0
TRAN. 2SA1015 GR TOSHIBA
Q204.205.207 120-00000-800-
0
TRAN. 2SC1815 GR TOSHIBA
R116.117.130.131 000-47206-400-0 CF RES 4.7K J 0.0625W T
R128.136 000-24206-400-
0
CF RES 2K4 J 0.0625W T
R129.137 000-20306-400-
0
CF RES. 20K J 0.0625W T
R202-207.239-242.246.227.
229-231.236.249
000-10306-400-
0
CF RES. 10K J 0.0625W T
R208 000-10006-400-
0
CF RES. 10 J 0.0625W T
R209 000-27206-400-
0
CF RES. 2K7 J 0.0625W T
R210 000-27306-400-
0
CF RES. 27K J 0.0625W T
R211 000-15506-400-
0
CF RES 1M5 J 0.0625W T
R213 000-22206-400-
0
CF RES. 2K2 J 0.0625W T
R214-226.234.235 000-33106-400-
0
CF RES. 330 J 0.0625W T
R237.238 000-22106-400-
0
CF RES. 220 J 0.0625W T

Page
PANEL PCB
PHONIC CORPORATION DFX256
SERIVCE MANUAL
8
PANEL PCB-PART LIST
Ref. Phonic Part No.
Specifications
R243.248 000-33306-400-
0
CF RES. 33K J 0.0625W T
R244 000-22306-400-
0
CF RES. 22K J 0.0625W T
R245 000-47306-400-
0
CF RES. 47K J 0.0625W T
R247 000-10106-400-
0
CF RES. 100 J 0.0625W T
SW201.202 210-02101-040-
0
PSH/SW SK12030-0102-4S-NB-3
TACT SW*2 615-20076-620-
0
TRAN WASHER TRC-601
U201 210-16000-010-
0
ENCODER SDB161P
VB15.5F-1-4-16-16PC
U202 171-00000-020-
0
CMOS IC 74HCT00
U203 100-02000-060-
0
7 SEG/LED LDD5062-20(GREEN)
U204 172-00001-600-0 CMOS IC CD4081BE RCA
U205 177-02000-311-0 GAL IC 16V8D-15LP LATTICE
U205 211-11202-002-0
IC/S 20P 9.8*25MM (NARROW)
VR101-103 023-10320-080-
0
D.ROT/VR 10KA 15MM P

CN201
CN202
R144
CN203
R143
+
C134
JK103
JK102
R147
C127
C126
C135
ECB
Q101
C136
R146
R148
+
C151
D102
...
...
K101
D104
JK101
+
C142
+
C141
JK104
D103
+
C144
R138
R126
R233
R232
R255
D202
+
C206
R253
R43
R45
R228
+
C201
D201
R201
+
C128
+
C129
+
BC107
+
BC108
BR107
+
C117
BR108
R141
R124 C124 C139
R142
R125
R140
R123
U104
+
C122
U206
E C B
Q103
R250
R252
BR105
R133
C132
+
C131
R132
R135
C133 C130
R134
R118
C118
+
C119
R119
R120
C120
C121
R121
C115
C116
+
C143
R42
C123 C138
R44
E C B
Q102
U103
C106 C105
+
C137
CN204
R139
R122
+
BC103
+
BC104
BR103
+
BC101
+
BC102
BR106
BR102
BR101
BR104
R113
R106
C114 R115
C108 C104 R107
R127
R105
+
C111
+
C103
R114
R108
R112
+
C113
R111 R110
C110
C109
+
BC106
U102
+
C107
U101
R103
C102
C112
R101
R102
+
BC105
R104
R109
C101
+
C125
+
C140
IN_R
IN_L OUT_L OUT_R
L_IN
AGND
R_IN
AGND
L_IN#
AGND
R_IN#
AGND
SIG_R
SIG_L
OUT_L
AGND
OUT_R
DP
#
AIN_L
AGND
AGND
#
AIN_R
AGND
MIX_R
AGND
MIX_L
GND
V- V+
DGND
REV_O_R REV_O_L
AIN_R
AGND AGND AGND AGND
AIN_L
Page9
PHONIC CORPORATION DFX256 SERVICE MANUAL
ANALOG PCB
ANALOG PCB

1 2 3 4 5 6 7 8
CN202
HEADER 8
L_IN AGND AGND AGND R_IN# AGND SIG_R
MIX_L AGND MIX_R AGND AGND
R_IN L_IN#
1 2 3 4 5 6 7 8 9 10
CN201
HEADER 10
AIN_R# AIN_L# DP
VP+_4
BC107 10uF/16V BC108 10uF/16V
C136 0.1uF
C135
0.1uF
BR107
22
VP+_3 +9V
BC105 10uF/16V BC106 10uF/16V
VP+_2 +9V
C127 0.1uF
C126 0.1uF
BR105
22
+9V
BC103 10uF/16V BC104 10uF/16V
C115 0.1uF C116 0.1uF
BR103
22
VP+_1
BC101 10uF/16V BC102 10uF/16V
BR101
22
AGND DGND
+9V
C105 0.1uF C106 0.1uF
-9V
JK101
PHONEJACK LINE_IN_L MONO
VP-_1
L_S
R102
1M
R101
1M
C101
0.1uF R103
10K
C102 100P
BR102
22
VP+_1
-9V
3 2
1
8 4
U101A
4558
C107
4.7uF/50V
BR104
22
VP-_2
L_IN L_IN#
-9V
VR101A
10KA
INPUT
R105
47K
BR106
22
VP-_3 -9V
C103
4.7uF/50V
R106 100K
AIN_L
VP-_4
3 2
1
8 4
U102A
4558
VP+_2
BR108
22
SIG_L
OUT_L OUT_R AGND 1
2 3
CN203
HEADER 3
1 2 3 4 5 6 7 8 9 10 11 12 13
CN204
HEADER 13
AGND AGND AGND REV_O_L REV_O_R V+ AGND AIN_L AIN_R DP
DP
R104 39K
C104 100pF
VP-_2
R107 3.3K
R108
1K
C108
0.015uF
PANEL
PCB
VP-_1
JK102
PHONEJACK LINE_IN_R MONO
R_S
R109
1M
C109
0.1uF
R110
1M
R111
10K
C110
100P
C113
4.7uF/50V
5 6
7
U101B
4558
R_IN R_IN#
VR101B
10KA
INPUT
R127
47K
C111
4.7uF/50V
R113 100K
R114 3.3K
R115
1K
AIN_R
5 6
7
U102B
4558
R112 39K
C112 100pF
L_IN R_IN# SIG_R SIG_L MIX_L
GND V-
R_IN L_IN#
L_IN
R_IN# SIG_R SIG_L MIX_L
R_IN
L_IN# MIX_R OUT_L OUT_R
L_S R_S L_O R_O
LL_O RR_O
AIN_R# AIN_L#
MIX_R OUT_L AGND OUT_R L_S R_S L_O R_O LL_O RR_O AIN_R# AIN_L#
R124
2.2K
C124
0.001uF R125
10K
R123 39K
C123 330pF
VP-_4LL
C114 0.015uF
VR102A
10KA
MIX_L
R128 2.4K
R117 4.7K
VP+_3
C128
4.7uF/50V
C121
6800pF
C119
4.7uF/50V
R119
10K
R120 3.3K
R121
15K
REV_O_L
C118 0.01uF
R118
150
AIN_L
C120
1500pF
VP-_3
3 2
1
8 4
U103A
4558
C117
4.7uF/50V
MIX ===
R129
20K
AIN_L#
R116 4.7K
OUTPUT ======
OUT_L
VR103A
10KA
R122
10K
R142
10K
C139
0.001uF
VP+_4
3 2
1
8 4
U104A
4558
C122
4.7uF/50V
R141 2.2K
LL_O
R138 10K
R126
1K
C125
4.7uF/50V
L_O
JK103
PHONEJACK LINE_OUT_L
R_O
JK104
PHONEJACK LINE_OUT_R
RR_O
R144 10K
C140
4.7uF/50V R143
1K
5 6
7
U104B
4558
C138 330pF
R140 39K
C137
4.7uF/50V
R139
10K
RR
OUTPUT ======
OUT_R
VR103B
10KA
MIX ===
MIX_R
VR102B
10KA R136 2.4K
R131 4.7K
C133
6800pF
C134
4.7uF/50V
5 6
7
U103B
4558
R135
15K
C132
1500pF
R134 3.3K
R133 10K
C131
4.7uF/50V
REV_O_R
C130 0.01uF
R132
150
AIN_R
C129
4.7uF/50V
R137
20K
AIN_R#
R130
4.7K
Page10
PHONIC CORPORATION DFX256 SERVICE MANUAL
ANALOG INPUT SCHEMATIC
ANALOG PCB

V+
R44
2.2K
Q102
2SC1815
R42
10 1/4W
+9V
C141
10uF/25V
D103
Z9.1V
C143
100uF/16V
V-
R45
2.2K
Q103
2SA1015
R43
10 1/4W
-9V
AGND
C142
10uF/25V
D104
Z9.1V
C144
100uF/16V
L_O
R_O
L_O
R_O
D102
1N4148
R148
22 1/4W
L_S
R_S
LL_O
RR_O
K101
RELAY DPDT
L_S
R_S
LL_O
RR_O
V-
Q101
2SA1015
R146
10K
C151
10uF/25V
R147
22K
V-
Page11
PHONIC CORPORATION DFX256 SERVICE MANUAL
POWER SUPPLY SCHEMATIC
ANALOG PCB

Page
ANALOG PCB
PHONIC CORPORATION DFX256 SERIVCE MAN
UAL
12
ANALOG PCB-PART LIST
Ref. Phonic Part No.
Specifications
290-02060-100-
0
PCB VERBIFEX-A INPUT
382-20005-010-
0
TINNER WIRE 5.0MM D0.6
382-20007-510-
0
TINNER WIRE 7.5MM D0.6
382-20012-510-
0
TINNER WIRE 12.5MM D0.6
BR101-108 382-20010-010-
0
TINNER WIRE 10MM D0.6
C101.105.106.109.115.116.126.
127.135.136
042-10426-050-
0
C/C2 0.1MF M 50V 5 T
C103.107.111.113.117.119.122.
125.128.129.131.134.137.140
030-47558-0A0-
0
E/C 4.7MF Z 50V 5*11 T
C104.112.102.110 042-10124-050-
0
C/C2 100PF J 50V T
C108.114 046-15305-060-
0
M/C 0.015UF K 50V T
C123.138 042-33125-050-
0
C/C2 330PF K 50V T
C124.139 046-10204-060-
0
M/C 0.001MF J 50V 5 T
C143.144 030-10728-0A0-
0
E/C 100MF Z 16V 6*11 T
C151.141.142 030-10638-0A0-
0
E/C 10MF Z 25V 5*11 T
C221.226 030-22439-0A0-
0
E/C 0.22MF B 25V 5*11 T
CN21 211-10101-080-0
10P WAFER/S 2532-10 180DEGREE
CN22 211-10081-060-
0
8P WAFER/S 2532-08 180 DEGREE
CN23 211-10031-171-
0
3P WAFER/S TJC3-3A PH=2.5MM
180 DEGREE
CN24 211-10131-020-
0
13P WAFER/S A2501WV2-13P
P=2.5MM 180 DEGREE
D102.201.202 090-02000-020-
0
DIODE 1N4148 T
D103.104 090-01912-000-
0
ZEN/DIODE 9.1V J 0.5W FAI
JK101-104 211-01602-301-
0
6D3/J PJB0661-6R
K101,OEG 076-00522-000-
0
RELAY OVR-SH-205L
1A125VAC 1.25A 24VDC
Q101.103 121-00000-200-
0
TRAN. 2SA1015 GR TOSHIBA
Q102 120-00000-800-
0
TRAN. 2SC1815 GR TOSHIBA
R101.102.109.110 000-10506-400-
0
CF RES. 1M J 0.0625W T
R104.112.123.140 000-39306-400-
0
CF RES. 39K J 0.0625W T
R105.127 000-47306-400-
0
CF RES. 47K J 0.0625W T

Page
ANALOG PCB
PHONIC CORPORATION DFX256 SERIVCE MAN
UAL
13
ANALOG PCB-PART LIST
Ref. Phonic Part No.
Specifications
R106.113.228.233 000-10406-400-
0
CF RES. 100K J 0.0625W T
R107.114.120.134 000-33206-400-
0
CF RES. 3K3 J 0.0625W T
R118.132 000-15106-400-
0
CF RES.150J 0.0625W T
R119.122.125.133.138.139.142.
144.146.103.111.250.253
000-10306-400-
0
CF RES. 10K J 0.0625W T
R121.135 000-15306-400-
0
CF RES. 15K J 0.0625W T
R124.141.44.45 000-22206-400-
0
CF RES. 2K2 J 0.0625W T
R126.143.108.115 000-10206-400-
0
CF RES. 1K J 0.0625W T
R147 000-22306-400-
0
CF RES. 22K J 0.0625W T
R148 000-22026-400-
0
CF RES. 22 J 0.25W T
R201.232 000-10106-400-
0
CF RES. 100 J 0.0625W T
R252.255 000-22406-400-
0
CF RES. 220K J 0.0625W T
R420.430 000-10026-400-
0
CF RES. 10 J 0.25W T
U101-104.206 160-00017-900-
0
IC NJM4558LD JRC

C319
X1001
U5
U1
U6
IC1
IC2
U4
D301
R309
D302
C31
D2 D3
D4
R9
R1
R10
R310
R314
R307
C302
R304
C303
C301 C305
R302
R303
R300
R301
R305
C306
R320
R315
R316
R318
R313
R312
R311
C316
C308
R2
R319
~
~ -
+
D1
R6R7 R8
JP204
C307
C4
C3
C310
C1
C317
C320
C304 C300
C312 C313
C329
C8
BC1
BC2
BC3
BC4
BC5
C332
C327
C330
C331
C311
C318
C315
C309
Q301
R317
C324
C322C323
C5
C6 C7
C326
Q300
C33
32
17
16 1
U2
R308
R306
Q302
U3
D300
F1
RP1
SW1
CN205
SS RS
S R T TS
JK2
JK1
C32
U7 C2
O
I
C
U8
U9
290-06256-000-0
DFX-256 EFF_DSP REV.PCB
74HC393
AK4520AVF
CN205
54
53
T1A 250V
DP V+
14.DGND 13.D+5V 12.BIT3 11.BIT2 10.BIT0
9.BIT1 8.UP 7.DN 6.STEP 5.PEAK 4.BIT4 3.BIR5 2.BIT6 1.BIT7
141
7805
74HC374
16V8
74HC30
74HC74
74HC14
16MHZ
27C512
ART FX DSP2
SRAM 128K*8
32K*8
V-
GND
DGND AGND REVR AGND REVL AGND AINR AGND AINL
17
7
75
74
33
32 12
11 1
Page14
PHONIC CORPORATION DFX256 SERVICE MANUAL
REVERB PCB
REVERB PCB

AIN_L AIN_R REV_L REV_R
DP
DP
1 2 3 4 5 6 7 8 9 10 11 12 13
JP204 HEADER 13
AGND AGND AGND AGND
D+5V
Q302 2SC1740
R316 330K
R318 10K
DGNDDGND
C329 1uF/50V
Q300
2SC1740
R315
1K
MUTO
D+5V
DGND
R314 1K
C328 0.1uF
DGND
LRCK SDOUT SDIN
R306 2.2K
ANALOG AREA
R304 2.2K
REV_L
MUTE
MUTE
AIN_R
AIN_L
REV_R
R300
1K R301
220
C300
10uF/16V
C301
0.1uF
VA R305
22K
R307 22K
C302
10uF/16V
C309
0.1uF
C310
10uF/16V
C311 0.1uF C312
10uF/16V
AA16 AA15 AA14 AWRE_ AA12 AA13 AA07
AA16
75
AA15
76
AA14
77
AWRE
78
AA12
79
AA13
80
AA07
81
AA08
82
AA06
83
AA09
84
VDD
1
GND
2
AA05
3
AA11
4
AA04
5
AROE
6
AA03
7
AA10
8
AA02
9
AD7
10
AA01
11
A A 0 0
1 2
A D 6
1 3
A D 0
1 4
A D 5
1 5
A D 1
1 6
A D 4
1 7
A D 2
1 8
A D 3
1 9
R E S E T
2 0
B B R O W N
2 1
G N D
2 2
V D D
2 3
X T A L O
2 4
X T A L I
2 5
O V F L
2 6
E N C 1 A
2 7
E N C 1 B
2 8
E N C B A
2 9
E N C 2 B
3 0
E D C L K
3 1
M C L K
3 2
PPSEL 33 MCEQ0 34
ED2 35 ED3 36 ED1 37 ED4 38 ED0 39 ED5 40 EA0 41 ED6 42 VDD 43 GND 44 ED7 45 EA1 46 EA3 47 EA2 48 EA5 49 EA4 50 EA7 51 EA6 52
MUTE 53
H S T W E
5 4
M U T E A D
5 5
M U T O
5 6
H S T A C K
5 7
H S T R E Q
5 8
H S T O E
5 9
I R A 8
6 0
H S T A 8
6 1
S A P S O
6 2
C L R B R
6 3
G N D
6 4
V D D
6 5
F S Y N C I
6 6
S C L K O
6 7
S D I N
6 8
S D O U T
6 9
F S Y N C O
7 0
T E S T
7 1
F S Y N C A
7 2
Q _ R E Q
7 3
L M 3 1 1
7 4
U3
ART FX DSP2
EA6 EA7 MMUT EA4 EA5 EA2 EA3
DGND
EA1 EA0
DGND
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
CS
20
OE
22
D0 11 D1 12 D2 13 D3 15 D4 16 D5 17 D6 18 D7 19
A13 26
PEN/A14 27 VPP/A15 1
U4 27C512
DGND
ED0 ED1
V+ V-
V+ V-
ED7 ED6 ED5 ED4 ED3 ED2 EA15 EA14 EA13
EA6 EA7 EA4 EA5 EA2 EA3 EA12 EA11 EA10 EA9 EA8
EA1 EA0 ED7 ED6 ED5 ED0 ED4 ED1 ED3 ED2
MCEQ0 PPSEL
DGND
AA08 AA06 AA09 AA05 AA11 AA04 AROE_ AA03 AA10 AA02 AA01
D+5V
VD
MCLK VD
DGND
CODEC_RST
C313
10uF/16V
C314
0.1uF
C315
0.1uF
VD
DGND
C303
0.1uF
C307
0.1uF
VREFH
1
AINR+
2
AINR-
3
AINL+
4
AINL-
5
VA
6
AGND
7
DIF0
8
DIF1
9
LRCK
10
SCLK
11
SDTI
12 SDTO 13
SMUTE 14
DEM0 15 DEM1 16 MCKI 17
VD 18
DGND 19
PD 20
CMODE 21 AOUTL 22 AOUTR 23
VCOM 24
U9 AK4522VF
VA
R302
1K R303
220
C304
10uF/16V
C305
0.1uF
C306
10uF/16V
C308
0.1uF
VA
R308
2.2
SCLK LRCK SDOUT
DGND
D+5V
MUTE
R309
4.7
R321 10K
R322
10k Q301
2SC1740
SDIN
DGND
1 2
U10A
74HC04
AA00
A D 7
A D 6
A D 0
DGND
A D 5
A D 1
A D 4
A D 2
A D 3D+5V
MCLK
D+5V
DGND
R312 510
C325 0.1uF
DGND
R313
1K
DGND
D+5V
C327
0.1uF
LRCK
DGND
SCLK
DGND
D+5V
A
13 QA 11
QB 10 QC 9 QD 8
CLR
12
U7B 74HC393
C326 0.1uF
DGND
A
1 QA 3
QB 4 QC 5 QD 6
CLR
2
U7A 74HC393
DGND
9 8
U10D 74HC04
C324 33pF
PEAK_ PEAK_
X1001
16MHz
DGND
D+5V
DGND
C321 0.1uF R311
100K
C322
33pF
C323
33pF
D+5V
RESET_
D301
1N4001
R310 100K C320 22uF/25V
DGND
VD C319 0.1uF
C318
22uF/25V
C317
22uF/25V
D+5V
D300 1N4148
C316 0.1uF
AA07 AA08 AA06 AA09 AA05 AA04 AA03 AA02 AA01 AA00 A0 (10)
12
A1 (9)
11
A2 (8)
10
A3 (7)
9
A4 (6)
8
A5 (5)
7
A6 (4)
6
A7 (3)
5
A8 (25)
27
A9 (24)
26
A10 (21)
23
A11 (23)
25
A12 (2)
4
A13 (26)
28
A14 (1)
3
A15
31
A16
2
OE (22)
24
CS1 (20)
22
CS2
30
(28) VDD 32
N.C. 1
(11) I/D0 13 (12) I/D1 14 (13) I/D2 15 (15) I/D3 17 (16) I/D4 18 (17) I/D5 19 (18) I/D6 20 (19) I/D7 21
R/W (27)
29
U2
SRAM(128K*8) SMD
AD0
D+5V
DGND
3 4
U10B
74HC04
DGND DGND
CODEC_RST
DGND
5 6
U10C 74HC04
D+5V
11 10
U10E 74HC04
13 12
U10F
74HC04
D+5V
DGND
1 2 3 4 5 6 7 8 9
RP1 3.3K
C330 0.1uF
EA15 EA14 EA13 EA12 EA11 EA10 EA9 EA8EA8
EA15 EA14 EA13 EA12 EA11 EA10 EA9
MCEQ0 PPSEL BIT_1 BIT_2 BIT_3 BIT_4 BIT_5 BIT_6 BIT_7
D0
3 Q0 2
D1
4 Q1 5
D2
7 Q2 6
D3
8 Q3 9
D4
13 Q4 12
D5
14 Q5 15
D6
17 Q6 16
D7
18 Q7 19
OC
1 CLK 11
U5 74HC374
D302
1N4148
D+5V 1
2 3 4 5 6 11 12
8
U6
74HC30
R319
10K
BIT_0 BIT_1 BIT_2 BIT_3 BIT_4
BIT_0 BIT_1 BIT_2 BIT_3 BIT_4
AD7 AD6 AD5 AD1 AD4 AD2 AD3
AA16 AA15 AA14 AA12 AA13 AA11 AROE_ AA10
D+5V
DGND
R320 1K
AWRE_
D+5V
C332
0.1uF
DGND
BIT_5 BIT_6
BIT_5 BIT_6 BIT_7
BIT_7
DGND
D+5V
C331
0.1uF
Page15
PHONIC CORPORATION DFX256 SERVICE MANUAL
REVERB DSP SCHEMATIC
REVERB PCB

AGND DGND
C2
0.1uF
F1 FUSE T1A 250V
SW1
SW SPST
D1
BRIDGE
V+ V+V+
C3
1000uF/16V
VI G
N D
VO
U8
LM7805
D+5V
C32
10uF/25V
D+5V
R1 120K
D4
1N4148
D+5V
BC1
0.1uF
10/CLK
1
19/~OE
11
11
2
12
3
13
4
14
5
15
6
16
7
17
8
18
9
~F0 12 ~F1 13 ~F2 14 ~F3 15 ~F4 16 ~F5 17 ~F6 18 ~F7 19 VCC 20
G10
U1 16V8
CLK
Q_F
DGND
1 2 3 4 5 6 7 8 9 10 11 12 13 14
CN205
HEADER 14
D+5V QQ_2 QQ_3 BIT_4 BIT_5 BIT_6 BIT_7
STEP INIT_ UP DN MUTE
C1
10uF/25V1
2 3
JK1 DC JACK
AC1 AC2
D3
1N4001
D2
1N4001
C4
1000uF/16V
V-
V-
C31
1000uF/16V
13 12
IC2F 74HC14
11 10
IC2E 74HC14
R2
10K
C33
.0082uF
BIT_7 BIT_6 BIT_5 BIT_4 PEAK_ STEP DOWN UP BIT_1 BIT_0 BIT_2 BIT_3 D+5V
BIT_7 BIT_6 BIT_5 BIT_4 PEAK_ STEP DOWN UP BIT_1 BIT_0 BIT_2 BIT_3 D+5V DGND
DGND
D+5V
R10 10K
JK2
PHONEJACK STEREO SW
FOOT SW.
FOOT_1 FOOT_2
FOOT_1 FOOT_2
R9
47K
DGND
3 4
IC2B
74HC14
R6
3.3K
C7 0.1uF
1 2
IC2A
74HC14
D
2 Q5
CLK
3
Q6
P R
4
C L
1
IC1A 74HC74
9 8
IC2D
74HC14
MUTE MUTE
DP DP
D+5V
D+5V
D+5V
DGND
C6 100pF
R7
220K
5 6
IC2C
74HC14
DGND
R8 220K
DGND
C5 0.1uF
DGND
C8 0.1uF
Page16
PHONIC CORPORATION DFX256 SERVICE MANUAL
REVERB CONTROL SCHEMATIC
REVERB PCB

Page
REVERB PCB
PHONIC CORPORATION DFX256
SERIVCE MANUAL
17
REVERB PCB-PART LIST
Ref. Phonic Part No.
Specifications
290-06256-001-
0
DFX256 DIGITAL PCB
BC1.5.C2.5.7.8.303.307.308.
309.311.314.315.316.319.321.
325-328.330-332
042-10426-050-
0
C/C2 0.1MF M 50V 5 T
C1.32.300.302.304.306.310.
312.313
030-10638-0A0-
0
E/C 10MF Z 25V 5*11 T
C3.4.31 030-10838-006-
0
E/C 1000MF Z 25V 10*21 P
C301.305 042-22225-050-
0
C/C2 0.0022MF K 50V 5 T
C317.318.320 030-22638-0A0-
0
E/C 22MF Z 25V 5*11 T
C322.323.324 042-33024-050-
0
C/C2 33PF J 50V 5 T
C329 030-10558-0A0-0
E/C 1MF Z 50V 5*11 T
C33 046-82204-060-
0
M/C 0.0082 MF J 50V 5 T
C6 042-10124-050-
0
C/C2 100PF J 50V T
CN25 211-10141-040-
0
14P WAFER/S A2501WV2-14P
P=2.5MM 180 DEGREE
D1 090-10000-000-0
B/DIODE PB154
D2.3.301 090-00000-020-
0
DIODE 1N4001 SILITEK T
D4.300.302 090-02000-020-
0
DIODE 1N4148 T
F1 280-1026E-000-
0
FUSE T1A 250V S (UL/CSA/JIS/CE)
F1*2 281-00000-020-
0
FUSE CLIP FH-1206
IC1 171-00000-310-
0
CMOS IC HD74HC74P HITACHI
IC2 171-00003-500-
0
CMOS IC 74HC14 HITACHI
JK1 211-02300-040-
0
2D DC/J DJ-0702-020
JK2 211-01602-301-
0
6D3/J PJB0661-6R
JP24 212-10130-040-
0
13P WAFER/P 60MM UL1007#24
P=2.5MM
L1 382-20010-010-
0
TINNER WIRE 10MM D0.6
Q300.301.302 120-00004-600-
0
TRAN. 2SC1740 LN-R ROHM
R1 000-12406-400-
0
CF RES. 120K J 0.0625W T
R2.10.318.319.321.322 000-10306-400-
0
CF RES. 10K J 0.0625W T
R300.302.313.314.315.320 000-10206-400-
0
CF RES. 1K J 0.0625W T
R301.303 000-56106-400-
0
CF RES. 560 J 0.0625W T
R304.306 000-22206-400-
0
CF RES. 2K2 J 0.0625W T

Page
REVERB PCB
PHONIC CORPORATION DFX256
SERIVCE MANUAL
18
REVERB PCB-PART LIST
Ref. Phonic Part No.
Specifications
R305.307 000-22306-400-
0
CF RES. 22K J 0.0625W T
R308 000-22726-400-
0
CF RES. 2.2 J 0.25W T
R309 000-47726-400-
0
CF RES. 4.7 J 0.25W T
R310.311 000-10406-400-
0
CF RES. 100K J 0.0625W T
R312 000-51106-400-
0
CF RES. 510 J 0.0625W T
R316 000-33406-400-
0
CF RES 330K J 0.0625W Y
R6 000-33206-400-
0
CF RES. 3K3 J 0.0625W T
R7.8 000-22406-400-
0
CF RES. 220K J 0.0625W T
R9 000-47306-400-
0
CF RES. 47K J 0.0625W T
RP1 017-08090-010-
0
NETWORK RES. A8-332 J 9P 3.3K
SW1 210-02201-070-
0
P/SW SPUE19K04-PJ
U1 177-02000-321-
0
GAL IC 16V8D-15LP LATTICE
U1 211-11202-002-
0
IC/S 20P 9.8*25MM (NARROW)
U10 171-00000-220-
0
CMOS IC HD74HC04N (SMT)
U2 211-11282-001-
0
IC/S 28P 17*35MM (WIDTH)
U2 177-01004-700-
0
IC BS62LV1024SC-70 SOP BSI
U3 177-04013-000-
0
CHIP ART FX DSP2 84P JAPAN
100-1365-102
U4 177-01003-510-
0
IC M27C512-12 SINGAPORE
WINBOND
U5 171-00002-900-
0
CMOS IC PC74HC374P
U6 171-00002-800-
0
CMOS IC PC74HC30P
U7 170-00007-000-
0
TTL IC 74HC393 SMD
U8 160-00004-114-
0
IC UPC7805H NEC (KIA)
U8*1 526-20001-110-
0
HEAT SINK BLK 19*13*12 L=19MM
U8*1 590-53008-100-
0
M/E SET SCR. M3.0*8 NI
U8*1 600-00302-200-
0
HEX. NUT M3.0*2.2 ZN
U8*1 610-60301-006-
0
SPR .WAS. D3*D5*1 NI
U9 177-04022-000-
0
IC AK4522A-VF VSOP AKM
X101 300-16004-003-0
CRYSTAL 16.000MHZ

Page
MISCELLANEOUS ITEMS
PHONIC CORPORATION DFX256 SERIVCE MANUAL
19
MISCELLANEOUS ITEMS
Ref. Phonic Part No.
Specifications
510-20700-300-
0
PANEL DFX256
511-20470-300-
0
BACK PANEL DFX256
529-20017-100-
0
ACRYLIC LENS 24.6*18.6*4
543-20190-120-
0
P/KNOB BUSHING 17*5.5 BLK
551-20046-400-
0
PCB BRKT VERBIFEX BLK
560-20800-200-
0
CARTON: 522*420*346 (內)
561-21010-300-
0
G/B DFX256
567-60003-000-
0
EPE+PAPER BOARD
568-20004-000-
0
PE BAG 550*300*0.05
572-00000-050-
0
DRYER 5g
573-10063-012-
0
M.I.C LABEL 50*10MM
573-60240-000-
0
BAR CODE LABEL PHONIC
573-60343-000-
0
LABEL LEVEL METER PVC
BLUE D=8mm
574-02060-112-
0
OWN. MANU. DFX256
S02-11000-000-
0
DFX256 MATERIAL
510-20700-300-FPANEL DFX256
511-20470-300-FBACK PANEL DFX256
551-20046-400-FPCB BRKT DFX256
551-20047-400-FSIDE BRKT DFX256
ALL VR*4 540-20260-120-
0
R/KNOB D16*16H BLK 270 DEGREE
AXLE 12.5MM
BACK PANEL*6 590-03004-100-
0
M/E FLT SCR. M3.0*4 NI
BOARD*2 590-03004-200-
0
M/E FLT SCR. M3.0*4 BLK
FIXED TRANSFER 562-60014-000-
0
PULP PANEL 300*288 A3B
GRILLE*3 600-00302-200-
0
HEX. NUT M3.0*2.2 ZN
GRILLE*7 590-23006-200-
0
M/E BID SCR. M3.0*6 BLK
LF*1,RT*1 551-20047-400-
0
SIDE BRKT VERBIFEX BLK
PCB & SUPPORT*7 615-20078-620-
0
SPACER SUPPORT DCBS-6
PCB GRILLE*2 590-43006-100-
0
M/E PAN SCR. M3.0*6 NI
PUSH SW*1 542-20230-120-
0
P/KNOB 17*5.5*14H BLK (AXLE 3.3*3.3
WIDTH OF AXLE12MM)

Page
POWER REQUIREMENT CL
ASSIFICATION
PHONIC CORPORATION DFX256
SERIVCE MANUAL
20
POWER REQUIREMENT CLASSIFICATION
Ref. Phonic Part No.
Specifications
100VAC JIS
353-20401-400-
0
AC ADAPTOR L-3200/DX22 JIS
120VAC UL
353-20401-010-
0
ADAPTOR AC10V 600MA UL L/DX22
240VAC BS
353-20401-200-
0
AC ADAPTOR L-3200/DX22 BS
573-10032-010-
0
POWER LABEL (ONLY USED IN BS)
240VAC SA
353-21707-000-
0
ADAPTOR VERBIFEX AC240V SA
240VAC SAA
353-20401-300-
0
AC ADAPTOR L-3200/DX22 SAA