Phonic MQ 3229 User manual

GRAPHIC EQ
MQ 3229MQ 3229

Page 2
PHONIC CORPORATION
PANEL LAYOUT............................................3
SYSTEM BLOCK DIAGRAM..........................4
SCHEMATICS
PCB
MAIN BOARD PCB.......................................5
REAR BRAND PCB.......................................7
SWITH & IN/OUT SCHEMATICS.....................8
CH1/2-29 BAND(1) SCHEMATICS.................9
CH1/2-29 BAND(2) SCHEMATICS.................10
POWER SUPPLY SCHEMATICS...................11
PART LIST
PCB-PART LIST........................................... .12
E ..............................17
N ...20
N .................................................21
MISCELLAN OUS ITEMS
POWER REQUIREME T CLASSIFICATION
DIME SIONS
Phonic reserves the right to improve or alter any information supplied within this
document without prior notice.
V2.1
08/29/02
MQ 3229 SERVICE MANUAL
GRAPHIC EQ
MQ 3229MQ 3229

Page 4Page 3
PHONIC CORPORATION
MQ 3229
PANEL LAYOUT
POWER
OUTPUT OUTPUT
INPUT INPUT
RIGHT LEFT
100 VAC ~ 60Hz 120 VAC ~ 60Hz 230 VAC ~ 50Hz 240 VAC ~ 50Hz
100~120 VAC FUSE 500mA 220~240 VAC FUSE T315mA
Q 3229
GND 615-10002-130-0
POWER SW
210-03102-002-0
2P RCA JACK
211-00021-052-0
2P RCA JACK
211-00021-052-0
6D3/J
211-01601-300-0
6D3/J
211-01601-300-0
AC JACK
211-12300-040-0
FUSE: 280-50161-000-0
LED 100-00010-030-0
LED
100-00010-030-0
SLD/SW
541-20240-030-0
SQ VR
541-20230-030-0 SQ VR
541-20230-030-0
SLD/SW
541-20240-030-0
POWER LED
100-00070-030-0
MQ 3229 SERVICE MANUAL

Page 4Page 4
PHONIC CORPORATION
6db
12db
RANGE
AMP
BUFFER
LEFT
INPUT
HPF
HPF
OUT IN
25 40 62
31 50 80GAIN
100
125
160
200
250
320
400
500
640
800
1K
1.3K
1.6K
2K
2.5K
3.1K
4K
5K
6.2K
EQ
8K 13K
10K 16K
A
LEFT
OUTPUT
RELAY
EQ
IN OUT
DISPLAY
RANGE
6db
A
OUTPUT
RIGHT
8K 13K
10K 16K
800
1K
1.3K
1.6K
2K
2.5K
3.1K
4K
5K
EQ
6.2K
12db
100
125
160
200
250
320
400
500
64025 40 62
31 50 80
HPF
OUT IN AMP
BUFFER
HPF
INPUT RIGHT
GAIN
EQ
DISPLAY
IN OUT
SYSTEM BLOCK DIAGRAM
SYSTEM BLOCK DIAGRAM
MQ 3229 SERVICE MANUAL

Page 5
PHONIC CORPORATION
U110
SW
LED6 LED5 LED4 LED3 LED2 LED1
MAIN BOARD PCB-FRONT
MAIN BOARD PCB-FRONT
MQ 3229 SERVICE MANUAL

Page 6
PHONIC CORPORATION
R105
C117
R106
R107
R108
R109
R110
R111
R112
R113
R114
R115
R116
R138
R139
R140
R141
R142
R143
R144
R145
R146
R147
R148
R132
R131
R130
R129
R128
R127
R126
C107
C106
C105
C104
C103
C102
C101
C109
C110
C111
C112
C113
C114
C115
U101
C116 C124
C125
C126
C127
C128
C129
R125
R124
R123
R122
R121
R120
R118
R117
R119
R136
R134
R133
R135
R164
R102
R163
C130
U104
R162
U105
R161
R160
R159
R158
C131
U106
C132
C133
C134
C135
C136
C137
C138
R157
R156
R155
R154
R153
R152
R150
R149
R151
R180
R179
R178 R177
R176
R175
R174
U107
C140
C141
C142
C143
C144
C145
C146
R173
R172
R171
R170 R169
R168
R166
R165
R167
R196
R195
R194
R193
R192
R191
R190
C148
C149
C147
C150
C152
C154
C151
C156
R189
R188
R187
R186
R185
R184
R182
R181
R183
R212
R211
R210
R209
R208
R207
R206
C153
C158 C155
C118
C157
R205
R204
R203
R202
R201
R200
R198
R197
R199
R216
R103
R213
R215
U102
C159
C160
C108
C123
C122
+
C163
U103
C121
C120
R137
R101
C139
R104
U108
C119
C161
C162
C168
C167
C165
R218
R231
R214
R219
R237
+
C169
+
C166
R220
+
C164 R221
C172
+
C171
R222
R225
R227
R228
R229
R230
R223
R224
R217
R234
+
C173
R226
+
C170
U109
JP1-2
R235
R232
R233
MQ3229 PANEL PCB
290-03170-100-0
MAIN BOARD PCB-REAR
MAIN BOARD PCB-REAR
MQ 3229 SERVICE MANUAL

REAR BOARD PCB
Page 7
PHONIC CORPORATION
JK4
JK1
JK2
JK6
C4
JK5
O IG
U3
D1
D2
D3
D4
D5
D6
D7
D8
D9
J230V J120V
C16
C17
C18
C11
C3
U5
U4
C10
C9
C6
C7
C8
C12
C13
C15
C19
C20
C14
R3
R1
R2
R12
R4
R5 R6
R7
R8
R9
R10
R11
R20
R19
R18
R17
R16
R15 R13
R14
16 13 11 9
8
6
4
1
RA1
CN1
E C B
Q2
E C B
Q1
C5
CN2
JK3
O IG
U1
G I O
U2
290-03170-200-0
MQ3229 REAR.PCB
7805
GND
7815 7915
SW
AC2
GND
AC1
230V
120V
REAR BOARD PCB
MQ 3229 SERVICE MANUAL

Page 8
PHONIC CORPORATION
1 2 3 4 5 6 7 8
CN1
HEADER 8
-15V
C8
22uF/16V
3 2
1
8 4
U5A
4558
1
2
JK1A
RCA2*1
CH1_IN
JK2 PHONEJACK
CH1_IN R2
2.2K
R3
56K +15V
R4 10K
C9
220pF
EQ1_IN EQ1_HPL EQ1_LED +15V -15V +5V
LED1 LED POWER
R237 750
R226 750
C163
22uF/25V
EQ1_BOOST
C165 47pF
C166
22uF/25V
EQ1_CUT
R217 27K
10 9
8
U109C TL074
R218 27K
C164
22uF/25V
5 6
7
U109B TL074
C167 47pF
+15V
R222 27K
R221 27K
R224
20K
VR30
100KW
LEVEL 3
2
1
4 1 1
U109A TL074
C173
22uF/25V
R233 22K
-15V
R232 10K
SW1
HPF
IN
OUT
C12
22uF/16V
R7
10K
C13
22uF/16V
1 2 3 4 5 6 7 8
JP1-2 HEADER 8
EQ1_IN EQ1_HPL EQ1_LED
R5
330K
R6
820K
R8
100
RA1 RELAY DPDT
5 6
7
U5B
4558
11 9
C10
0.0068
C11
0.0068
3
4
JK1B
RCA2*1
CH1_OUT
JK3
PHONEJACK
CH1_OUT 13
CH2_O
+15V
Q1 2SC1815
R10
470K
16
1 4
D9
1N4001
R12 1.5K 1/2W
CH2_I CH2_OQ R9
10K
8 6
+15V -15V +5V
C169
22uF/25V
R223 20K
R225
6.04K
C168 47pF
-15V
C172 47P
1
3 5
SWA
RANGE
R219 22K
R230
10K
R231 9.1K
EQ1_DR
12 13
14
U109D TL074
R220
22K
+5V
LED6
1 2 3 4 5 6 7 8 9 10
SW2
EQ
IN
OUT
EQ1_LED
-15V
-15V
Q2 2SC1815
1
2
JK4A
RCA2*1
CH1_IN
C14 47uF/25V
R11 33K
CH2_I
JK5 PHONEJACK
CH1_IN R13
2.2K
R14 56K +15V
3 2
1
8 4
U4A
4558
C15
22uF/16V
C16 220pF
EQ1_IN EQ1_HPL EQ1_LED +15V -15V +5V
R15 10K
1 2 3 4 5 6 7 8
CN2
HEADER 8
R234
0
R235
0
LED3 LED4 LED5
D1
1 D2 2 D3 3 D4 4 D5 6
IN 8
AMPO 7
VCC 9 GND 5
U110
BA6144(DIP)
+5V
R228
10K
R227
10K
C171
10uF/25V
R229 150K
C170 22uF/25V
EQ1_LED
LED2
C19
22uF/16V
R18 10K
R16
330K
R17
820K
5 6
7
U4B
4558
C17
0.0068
C18
0.0068
3
4
JK4B
RCA2*1
CH1_OUT
CH2_O
JK6
PHONEJACK
CH1_OUT
CH2_OQ
R19 10K
R20 100
C20
22uF/16V
SWITCH & IN/ OUT SCHEMATICS
SWITCH & IN/ OUT SCHEMATICS
SWITCH SCHEMATICS
IN/OUT SCHEMATICS
MQ 3229 SERVICE MANUAL

PHONIC CORPORATION Page 4Page 9
CH1/2-29 BAND(1) SCHEMATICS
CH1/2-29 BAND(1) SCHEMATICS
EQ1_BOOST
VR20
100KW
R180 6.2K
R178
316
R179 19.1K
5 6
7
U105B TL074
C139 .33
C140
.33
R177
9.53K
EQ1_BOOST
EQ1_DR
VR24
100KW
R196
6.2K
5 6
7
U106B TL074
C147 .33
R195 47.5K
R194
806
C148
.33
R193
23.7K
EQ1_BOOST
EQ1_DR
VR28
100KW
R212
6.2K
EQ1_DR
5 6
7
U107B TL074
C155 .33
R209
60.4K
C156
.33
R211 124K
R210
1.91K
EQ1_BOOST
VR29
100KW
3 2
1
8 4
U108A
4558
-15V
R215 150K
R216
6.2K
EQ1_DR
C157 .33
C158
.33
R213
75K
R214
2.49K
EQ1_CUT
+15V
25Hz
10 9
8
U107C TL074
C153 .33
R205
47.5K
R207 95.3K
C154
.33
31Hz
EQ1_BOOST EQ1_CUT
VR27
100KW
80Hz
10 9
8
U106C TL074
R189
19.1K
C145 .33
R191 37.4K
C146
.33
EQ1_BOOST EQ1_CUT
VR23
100KW C138
.033
C137 .033
10 9
8
U105C TL074
R175 150K
R173
75K
200Hz
EQ1_BOOST EQ1_CUT
VR19
100KW
EQ1_BOOST EQ1_CUT
R176 6.2K
C135 .033
R174
2.49K
250Hz
EQ1_BOOST EQ1_CUT
EQ1_DR
R192
6.2K
C143 .33
R190
634
100Hz
EQ1_BOOST EQ1_CUT
EQ1_DR
R208
6.2K
EQ1_DR
C151 .33
R206
1.58K
40Hz 50Hz
EQ1_DR
3 2
1
U107A TL074
R201
37.4K
C152
.33
R203 75K
R202
1.24K
EQ1_CUT
EQ1_DR
VR26
100KW
R204
6.2K
3 2
1
U106A TL074
R187 30.1K
C144
.33
R186
511
R185
15K
125Hz EQ1_CUT
EQ1_DR
VR22
100KW
R188
6.2K
C136 .033 3
2
1
U105A TL074
R171 124K
R169
60.4K
R170
1.87K
EQ1_CUT
VR18
100KW
R172
6.2K
315HZ
EQ1_BOOST
VR17
100KW
R168 6.2K
C133 .033
C134
.033 12
13
14
U105D TL074
R167 95.3K
R166
1.58K
R165
47.5K
EQ1_BOOST
EQ1_DR
VR21
100KW
R184
6.2K
12 13
14
U106D TL074
C141 .33
R183 23.7K
R181
12.4K
C142
.33
R182
402
EQ1_BOOST
EQ1_DR
VR25
100KW
R200 6.2K
EQ1_DR
R197
30.1K
R198
1K
12 13
14
U107D TL074
R199 60.4K
C149 .33
C150
.33
V+
63HZ EQ1_CUT 160Hz EQ1_CUT 400Hz EQ1_CUT
C161
0.1UF 1
1 4
U107E
TL074
C162
0.1UF
V-
1 1 4
U105E
TL074 1
1 4
U106E
TL074
MQ 3229 SERVICE MANUAL