Carvin C-1644 Schematic
EQ 1 OUT
1
2
LEFT EQ
LEFT P
M1EQ
MON 1
RIGHT EQ
RIGHT P
M2EQ
MON 2
MON 1 BUSS
C59
39P
A GND
MON 2 BUSS
39P
A GND
MON 3 BUSS
C111
39P
A GND
MON 4 BUSS
C150
39P
A GND
PHAN PHAN
+15VDC+
+15VDC
-15VDC-
-15VDC
D GND
A GND
R200
JMP
R301
C
R1
220K
MONITOR 1
R6
220K
RIGHT
R210
220K
MONITOR 2
R7
220K
10k
R168
C58
+
!-
+
A1.A A1.B
+
R31
10k
C1C2C5 C4
330P
+
!-
+
A2.A A2.B
+
10k
R66
C113
+
!-
+
A25.A A25.B
+
R74
C155
+++
!-
A26.A A26.B
+
H1.A
H1.B
H1.C
H1.D
10Ω
H1.E
R201
H1.F
10Ω
H1.G
H1.H
H1.I
JMP
H1.J
R300
R400
JMP
ARVIN
3
LEFT
6
5
8
11
2
3
564
8
11
M1B
C61
330P
+
22
M2B
R29
+
22
12k
10k
M3B
C34
330P
+
22
C145
330P
22
R401
JMP
12340 World Trade Drive
San Diego, CA 92128
(858) 487-1600
FAX 521-6032
4
1
9
7
10
12
9
7
10
12
R167
12k
10k
R34
12k
10k
MON4FX
R72
12k
10k
H6.A
H6.B
H6.C
H6.D
H6.E
H6.F
H6.G
H6.H
S1.A
S1.B
S2.A
S2.B
MON 2
MON 3
MON 4
+8V
S1.C
S1.D
S2.C
S2.D
MON 1
P2
CONCERT SERIES - C1644
4 BUSS MASTER/POWERED/DSPx2/SMT
DRAWN BY:
APPROVED:
PCB
NO:
ASSY.
NO:
REVISED BY:
ERIC PETERSEN
30-16444
80-16444
ERIC PETERSEN
DATE:
DATE:
REV:
REV:
DATE:
08MAY01
E
E
25JUN02
C41
22
+
R12
100K smt 1/4w
EQ 2 OUT
C71
+
22
R9
100K smt 1/4w
cw
50K
C60
+
!+
50K
cw
39P
+
!+
P3
C103
+
!+
P4
C149
+
!+
+15VDC+
-15VDC-
R137
10K smt 1/4w
B5B6
P1
39P
50K
cw
39P
50K10k
cw
39P
A GND
63Hz 1KHz 2KHz
P171 P172
C30.1C31.1C32.1C33.1C29
R136
10K smt 1/4w
C82
39PF
0.47
.1
2.2K
R60
C35
6
!-
A8.B
7
+
.022
5
R61
150K
0.22
C78
.1
C79
.1
.01
7
39PF
P181
63Hz
0.47
C76.1C27.1C81.1C83
C75
.1
C84
R155
2.2K
C85
.022
R135
6
5
!-
A24.B
+
150K
M1EQ
MON 1
C97
+
10K smt 1/4w
C201
+
10K smt 1/4w
22
MON 2
M2EQ
C202
+
22
10K smt 1/4w
MON 3
C203
R180
+
10K smt 1/4w
22
MON 4
C204
10K smt 1/4w
+
R187
22
H7.A
H7.B
H7.C
H7.D
H7.E
H7.F
H7.G
H7.H
MON 1 BUSS
MON 2 BUSS
MON 3 BUSS
MON 4 BUSS
EFF 1
EFF 2
A GND
PFL CTL +15VDC
PFL
1 BUSS
2 BUSS
3 BUSS
4 BUSS
RIGHT BUSS
LEFT BUSS
A GND
R47
10K smt 1/4w
R14
C138
+
!-
A47.A
+
82
R183
10K smt 1/4w
C148
+
10K smt 1/4w
!-
A48.A
+
PHAN
+15VDC+
-15VDC-
A GND
H2.A
H2.B
H2.C
H2.D
H2.E
H2.F
H2.G
H2.H
H3.A
H3.B
H3.C
H3.D
H3.E
H3.F
H3.G
H3.H
A19.A
A29.A
R190
R49
!+
R51
!+
82
C98
+
R181
470Ω smt 1/4w
R182
470Ω smt 1/4w
470Ω smt 1/4w
R188
470Ω smt 1/4w
125Hz 250Hz 500Hz
!-
A8.A
+
P173
C64
.1
R81
2.2K
1
6
!-
C65
A13.B
+
5
.0047
R82
R83
150K
150K
P183 P184
.1
C80
R158
2.2K
6
.0047
!-
A23.B
7
+
5
C106
R159
R85
150K
150K
C40
C62
.1
.1
R62
C63
2.2K
2
.01
3
R80
220K
P182
125Hz 250Hz 500Hz
C77
.1
R156
2.2K
2
!-
A24.A
1
+
3
R157
220K
MONITOR 1
470Ω smt 1/4wR163
J21
470Ω smt 1/4wR160
S11.B
S12.B
R27
470Ω smt 1/4w
R25
470Ω smt 1/4w
MONITOR 2
J22
S13.B
S14.B
S21.B
S22.B
MON 3
J23
S23.B
S24.B
MON 4
J24
R189
LEFT BUSS
R148
100Ω smt 1/4w
C51
0.001µF smtX
A GND
H8.A
MON 1 BUSS
H8.B
MON 2 BUSS
H8.C
MON 3 BUSS
H8.D
MON 4 BUSS
H8.E
EFF 1
H8.F
EFF 2
H8.G
A GND
H8.H
PFL CTL
H4.A
PFL
H4.B
H4.C
H4.D
H4.E
H4.F
H4.G
H4.H
1 BUSS
2 BUSS
3 BUSS
4 BUSS
RIGHT BUSS
LEFT BUSS
A GND
RIGHT BUSS
R149
100Ω smt 1/4w
0.001µF smtX
A GND
C88
C46
.047
7
C107
.022
1 BUSS
C134
.022
2.35k
R118
.0033
2.2K
C47
R84
150K
183k
C121
R169
.0033
2.2K
C108
R86
150K
183k
100Ω smt 1/4w
0.001µF smtX
A GND
2 BUSS
100Ω smt 1/4w
0.001µF smtX
3 BUSS
100Ω smt 1/4w
0.001µF smtX
A GND
4 BUSS
100Ω smt 1/4w
0.001µF smtX
R124
C49
+
!-
A51.B
+
R42
22K smt 1/4w
R44
22K smt 1/4w
R236
C86
+
!-
A52.B
+
P174
C66
2
!-
.001
A13.A
1
+
3
R125
33K
C127
.047
.033
2.35k
!-
A23.A
+
R121
.001
1
C128
2
3
33K
R64
R65
C8
330P
+
!-
C72
A41.B A41.A
+
R33
+
!-
C112
A42.B
4.7K
+
R178
R179
C114
+
!-
A43.B
C137
+
A GND
R186
+
!A44.B
C147
+
A GND
LB2
C13
+
22
R41
10K
C6
82p
+
!-
A5.B
+
RB2
C10
+
22
A GND
A GND
4.7K
330P
330P
P175
C48
.033
220K
P185
1KHz
R87
2.2K
R88
220K
4.7K
A GND
R16
C3
330P
A GND
4.7K
330P
R185
C140
330P
LEFT FADER
R119
2.2K
RIGHT FADER
R154 10K
2
3
!-
A21.A
+
J12
R116
J14
!-
A11.A
+
16KHz
C56
.0022
C57
250PF
1
110k
P189
16KHz
C139
.0022
3.9K
3.9K
1
C141
250PF
110k
GRP 1
GRP 2
GRP 3
CENTER P
GRP 4
MON 1
MON 2
J7.B
MON 3
MON 4
J7.A
3.9K
R130
LEFT P
RIGHT P
C73
39PF
2
!-
A10.A
1
+
3
3.9K
R114
1.8k
R113
6
!-
A10.B
7
+
5
R127
R126
47K
43K
R173 10K
90k
C143
2
39PF
!-
A20.A
+
3
R93
1.8k
R162
6
!-
A20.B
7
+
5
R131
47K
EFF 1
A GND
EFF 2
A GND
90k
43K
15K
R71
C18 C22
+ +
!-
A15.B A14.B
+
15K
R77
C23 C26
82p
+ +
!-
A15.A A14.A
+
R132
10K smt 1/4w
R144
10K smt 1/4w
R146
10K smt 1/4w
R171
10K smt 1/4w
R172
10K smt 1/4w
R23
10K smt 1/4w
R174
10K smt 1/4w
R24
10K smt 1/4w
C28
22
C161
1
22
R176
150K
82p
22
S5.A
S5.B
S6.A
S6.B
S7.A
S7.B
S8.A
S8.B
4KHz 8KHz
P176
C67
.022
R105
6
2.2K
!-
A12.B
7
+
5
C68
.001
R107
R106
150K
R108
100K
C129
.022
C69
.0047
R128
2.0k
3.3K
R123
2
4.7K
!-
A12.A
1
+
3
R109
33K
P186
2KHz
C132
.0022
R133
3.3K
2.0k
2
!-
A22.A
+
3
R91
33K
BUSS 1 FADER
C192
+
22
PFL
PFL CTL
10K
cw
82P
PFL
PFL CTL
BUSS 3 FADER
PFL
PFL CTL
cw
82P
PFL
PFL CTL
LEFT EQ
R8
CENTER P
R48
C146
.001
1
R284
100K
10K smt 1/4w
R98
BUSS 2 FADER
C193
+
22
100K 100K 100K
10K smt 1/4w
C194
+
22
10K smt 1/4w
BUSS 4 FADER
C195
+
22
C99
+
A31.A
C101
82
+
!-
A33.A
+
RIGHT EQ
R11
R111
220K
R216
R217
R219
R285
R101
R290 R291
R262
R223
10K smt 1/4w
R275
C215
+
R295
470Ω
!-
A31.B
+
82
R10
!+
!-
A33.B
+
R50
+
4.7K
4.7K
10K
2.2K
6
!-
A22.B
+
5
R161
150K
C16
+
2.2K
22
S31.A
S31.B
C109
+
22
S32.A
C115
+
22
S33.A
S33.B
C142
+
22
S34.A
S34.B
P31
C50
+
!-
A51.A
+
R17
S32.B
2.2K
cw
82P
7
10K smt 1/4w
R15
2.2K
R177
R265
10K smt 1/4w
R268
10K smt 1/4w
R184
2.2K
R269
10K smt 1/4w
R270
10K smt 1/4w
10K
.001
C130
R90
100K
P11
C17
+
!+
R237
R258
10K smt 1/4w
R263
10K smt 1/4w
R264
10K smt 1/4w
P13
LEFT P
C52
+
22
R120
4.7K
10K
cw
82P
P12
C110
+
!-
A42.A
+
cw
10K
C117
82P
+
!-
A43.A
+
P14
10K
C144
+
!-
A44.A
+
10K smt 1/4w
P33
50K
MONO
cw
C11
82P
+
R68
C14
!-
+
A5.A
+
22
10K smt 1/4w
P32
10K
RIGHT P
A52.A
cw
C87
82P
+
C89
!-
+
+
22
R235
10K smt 1/4w
P177 P178 P179
P187
5
220K
110k370k
C54
.0047
6
!-
A11.B
7
+
C133
.0047
220K
C135
.0022
R129
.001
2.2K
C74
R73
R122
4KHz
C131
.0047
R134
2.2K
4.7K
4.7K
10K smt 1/4w
R218
R170
!-
A19.B
+
2043
4.7K
4.7K
R280
220K
C123
6
5
110k370k
82
!-
A21.B
+
C136
7
330PF
S11.A
S21.A
R191
470Ω smt 1/4w
R271
470Ω smt 1/4w
S12.A
S22.A
10K smt 1/4w
R281
470Ω smt 1/4w
82
C199
!-
A29.B
+
4.7K
10K
A32.A
R220
R222
C100
R221
82
10K
A32.B
4.7K
C217
+
R297
C216
+
R296
!+
!+
4.7K
10K smt 1/4w
!-
A47.B
+
4.7K
10K smt 1/4w
470Ω smt 1/4w
82
470Ω
470Ω smt 1/4w
R46
470Ω smt 1/4w
82
470Ω
470Ω smt 1/4w
82
R2
10K
R282
82
C205
R283
82
C210
!-
A48.B
+
J31
R4
R5
470Ω smt 1/4w
R45
R240
R241
S13.A
S23.A
R193
470Ω smt 1/4w
R273
470Ω smt 1/4w
S14.A
S24.A
470Ω smt 1/4w
1
2
3
LEFT
J33
2
3
J32
2
3
470Ω smt 1/4w
R115
2.2K
330PF
C55
220K
220K
R117
P188
8KHz
R164
2.2K
R165
220K
R166
220K
LEFT BUSS
RIGHT BUSS
J11
LEFT BUSS
RIGHT BUSS
R192
R272
470Ω smt 1/4w
LEFT BUSS
RIGHT BUSS
LEFT BUSS
RIGHT BUSS
R194
R274
470Ω smt 1/4w
TAPE OUT L
R228
470Ω smt 1/4w
MONO
1
TAPE OUT R
R229
470Ω smt 1/4w
1
RIGHT
2
3
J13
EQ 1 OUT
R79
150K
EQ 2 OUT
D EFF 1
R70
22
D EFF 2
R76
10K
14
13
2
1
14
13
2
1
14
13
Q8
R104
47Ω
+15VDC
LEFT METER
R140
10K
AMP CLIP 2
RED
D32
H10.A
PROTECT
D7
yellow
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
+15VDC
H10.C
CLIP
R151
R52
-15VDC
+18
+12
+6
0
-6
-12
-18
-24
1k
R110
10
11
10K
10k
!-
A37.CA18.B
+
8
!-
A37.DA18.A
+
9
R MET
10K
R53
C95
++
AMP CLIP 3
D35
H10.J
H10.I
H10.H
H10.G
H10.F
H11.A
H11.B
D33 D34
13
39P
14
RED
RIGHT METER
6
!-
A34.B
+
7
4
!-
A34.A
+
5
10
!-
A34.C
+
11
8
!-
A34.D
+
9
6
!-
A27.B
+
7
4
!-
A27.A
+
5
10
!-
A27.C
+
11
8
!-
A27.D
+
9
6
!-
A37.B
+
7
4
!-
A37.A
+
5
R58
1k
220K smt 1/4w
+
C159
+15VDC
H10.D
1
2
13
14
1
2
13
14
1
2
R153
22µF
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
C212
0.1µF
Q7
+15VDC
RIGHT METER
R141
10K
-15VDC
AMP CLIP 4
D36
R103
47Ω
+15VDC
-15VDC
RED
CENTER P
RIGHT EQ
LEFT EQ
M2EQ
M1EQ
MON 4
MON 3
-15VDC
R226
22Ω
H10.E
+6+6
00
-6
-15VDC
L MET
1
10K
39P
2
J8
47Ω smt 1/4w 47Ω smt 1/4w
RED
PHONES
+15VDC
220K smt 1/4w
+
C158
+15VDC
H10.B
LEFT METER
8
9
10
11
4
5
6
7
8
9
10
11
4
5
6
7
8
9
10
11
R231
22Ω
R152
22µF
-15VDC
Red small
!-
A9.D
+
Yellow small
!-
A9.C
+
Yellow small
!-
A9.A
+
Yellow small
!-
A9.B
+
Green small
!-
A17.D
+
Green small
!-
A17.C
+
Green small
!-
A17.A
+
Green small
!-
A17.B
+
Green small
!-
A18.D
+
Green small
!-
A18.C
+
C211
0.1µF
R292
1K smt 1/4w
LB2
H9.A
PFL +
+
C198
0.1µF Film smtX
R298
1K
-15VDC
15K
R238R239R242R243R245R246R247R248R249R250R251
CLIPCLIP
43K
+18+18
27K
15K
6.8K
3.9K
1.8K
910Ω
470Ω
270Ω
R67
+15VDC
330Ω
4
5
6
7
10K
R102
!+
!+
R19
+12
-12
-18
-24
-30
C96
AMP CLIP 1
D28
+12
-6
-12
M1B
-18
RB2
-24
-30 -30
+15VDC
Q1
Q10
-15VDC
R233
+15VDC
Q15
R299
1K
Q16
-15VDC
RTN LEVEL 3
P30.A
50K
10K
10K smt 1/4w
R230
360K
R38
R37
D30
D31
R92
C37
82p
+
!+
R94
C39
+
!-
A35.B
+
C91
+
cw
C125
39P
+
!-
A16.A
+
P30.B
50K
cw
C126
39P
+
!-
A16.B
+
RTN LEVEL 4
R26
P40.A
R227
P40.B
+
!-
R28
A6.B
+
10K
+15VDC
-15VDC
+15VDC
-15VDC
!-
A30.B
+
R30
470Ω
Red small
D29
PHONES LEVEL
C44
+
cw
22
PHONES LEVEL
82p
C45
+
cw
22
R606
N/U
C122
J3
RTN 3 L
J4
RTN 3 R
TAPE IN L
J7.D
J5
RTN 4 L
J6
RTN 4 R
J7.C
33K
R13
33K
39P
IN GND
39P
A GND
+15VDC
470Ω smt 1/4w
470Ω smt 1/4w
PFL +
R59
R69
R404
N/U
A30.A
!+
PFL CTL
R22
C20
+
R95
22K
10K
82P
A GND
22K
R96
C21
+
10K
!+
R63
C25
+
!+
PFL
Q5
R145
10K
Q6
R147
10K
R260
+
10K smt 1/4w
22
RTN LEVEL 3
C124
R261
+
10K smt 1/4w
22
C169
+
22
C116
+
22
C118
+
10K smt 1/4w
22
TAPE IN R
C170
+
22
J1
EFF 1 SEND
J2
EFF 2 SEND
+15VDC
100k
10Ω
R112
C19
.047
A GND
C104
+
1µF
22K smt 1/4w
C42
+
22
A35.A
22K smt 1/4w
C43
+
22
C92
+
.047µ
.047µ
C70 C90
+ +
470µF 25V 470µF 25V
QC10
QC11
+
!-
A6.A
+
C120
50K
P8.A
R MET
R505
C119
PFL
L MET
50K
P8.B
2.2K
R40
R267
22K
R266
22K
R43
2.2K
50K
cw
39P
50K
cw
39P
R139
3.3K smt 1/4w
Green small
R138
3.3K smt 1/4w
Green small
D3
R18
R35
2.2K
R255
R254
22K
POWER
D5
POWER
D6
47K smt 1/4w
LB2
M1B
RB2
22K
R36
2.2K
+
D4
100K
C105
R32
3.3K
R21
0.1µF Film smtX
47K smt 1/4w
R99
C94
+
82P
R97
!-
10K
A36.A
+
47K smt 1/4w
R100
C200
+
R232
-15VDC
A GND
-15VDC
A GND
!A36.B
+
82P
10K
N/U
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