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