Page 1
8
7
6
5
4
3
2
1
D3
R3
330K
1N4148
Q3
2N5401
R1
15K
D D
VCC-
13
12
11
10
J2-M
9
8
7
6
5
4
3
2
1
10K 0.2%
R9 A
R9 C
0.1uF
C5
D5
1N4148
10K 0.2%
R10
C C
20K 1%
R9 D
10K 0.2%
C8 2.2uF 5%
R25
150K
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J3-M
B B
D10
1N4148
C12
1/50V
R34 10K
D12 1N4148
R33 100K
D13 1N4148
R31 10K
C13
1/50V
SIGNAL DETECTOR LIMIT DETECTOR
VCC+
R6
22K
R2
10K
Q4
2N5551
R4
4.7K
C2
100uF 35V
D4
1N4148
R20
Q1
2N5551
R15
4.7K
D21
1N4148
10K
TURN ON DELAY/MUTE
VCC+
D9
1N4148
D6
1N4148
C3
30pF
6
5
D8
1N4148
C6
0.1uF
10K 0.2%
-
+
LF353N
R17
100K 1%
C4
30pF
R9 B
IC1 B
7
VCC-
R16
2
3
2 1
4 6
200K 1%
-
+
LF353N
8 4
OC1
5
CLM5010
VCC-
-
6
1
IC1 A
VCC+
IC4 B
LM393N
7
+
5
BALANCED INPUT/GAIN
R26 4.7K
VCC-
-
2
1
+
D11
1N4148
3
IC2 A
RC4559N
8 4
VCC+
R45
2.2K
SERVO/HIGH PASS CURRENT LIMITER
C9
2.2uF 5%
R27
10K
R28
549 1%
IC4 A
LM393N
1
C11
VCC-
-
2
+
3
8 4
VCC+
0.001uF
R24
R52
1K
1K
VCC+
R35
680K
R19
1K
5
+
7
6
-
IC2 B
RC4559N
R18
4.7K
R21
10K
R22
180K
R7
220K
D28
1N4148
VCC+
R23
10K
84
3
+
1
2
-
IC3 A
RC4559N
VCC-
7
IC3 B
RC4559N
VCC+
D7
1N4148
R32
680K
VCC-
NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601/600
6.8K 2W ON MODELS 6001, 4801
VCC+
Z1 1N5353
C17 470uF
R65
C14 470uF
NOTE 3
C22
0.47uF 250V
R70
C19
511 1%
R69
NOTE 1
0.1uF
R55
SELECTED
R54
100K 0.1%
R58
1K 0.1%
R57
1K 0.1%
VCC-
R56
100K 0.1%
Z4 1N5938
Q5
2N5551
Q7
2N5551
R72
68.1 1%
R71
100
R75
8.25K 1%
Q6
2N5551
2N5551
Q8
R73
68.1 1%
R74
100
D22
1N4148
D23
2N5401
C23
0.1uF
C26
1N4148
R77
100
R78
68.1 1%
Q9
2N5401
Q11
R82
511 1%
R76
8.25K 1%
R79
68.1 1%
2N5401
Q10
Q12
2N5401
R81
NOTE 1
R80
100
R66
NOTE 3
VCC-
R90
4.7K
R61
1K 0.1%
R63 100K 0.1%
R62
SELECTED
-
6
+
5
D27
1N4148
R60
1K 0.1%
D26
1N4148
R59
100K 0.1%
VCC+
R47
1M
R46
100K
Q15
2N5551
R50
2.2K
Z6 1N5938
0.47uF 250V
C15 470uF
C18 470uF
Z2 1N5353
CLIP DETECTOR AMPLIFIER FRONT END/IC POWER SUPPLY
Q13
2N5551
D24
SF14
R87
NOTE 2
R89
2.7K
R85
11K 1% 1W
R86
549 1%
R88
NOTE 2
D25
SF14
Q14
2N5401
R83
47
C27
30pF
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J1-F
R84
47
5.6K 2W ON MODELS CC301/300
3.3K 2W ON MODELS CV301/300, CC151/150
NOTE 2: 27K 2W ON MODELS 8001, 7001, CC601/600
A A
20K 2W ON MODELS 6001, 4801, CC301/300
15K 2W ON MODELS CV301/300, CC151/150
NOTE 3: 1K 10W ON MODELS CC151/150, CV301/300
820 10W ON ALL OTHER MODELS
CREST AUDIO
150 Florence Ave.
Hawthorne, NJ 07506
Title
PREAMP/FRONT END
Size Document Number Rev
2123001
C
8
7
6
5
4
3
Date: Sheet of
2
1 0Wednesday, May 17, 2000
1
Page 2
Page 3
8
7
6
5
4
3
2
1
1
2
3
4
5
D D
6
7
8
J3
OCTAL
21
PIN 3 HOT (+)
A
3
J1
NC3FD
J5
13
12
A2
A-
A3
C C
A+
A1
BB+
11
10
9
8
7
6
5
4
3
2
1
1
B B
2
3
4
5
6
B-
B2
A2
A3
MSSA2350
B+
STEREO
BRIDGE
PIN 3 HOT (+)
B
21
7
8
J4
OCTAL
3
J2
NC3FD
A2
A3 PARALLEL
B3
SW1
CREST AUDIO
A A
HAWTHORNE, NJ 07506
Title
6001/4801/3301 INPUT PCB
Size Document Number Rev
A
Date: Sheet of
8
7
6
5
4
21A1006
3
2
1
1 0Wednesday, May 17, 2000
Page 4
8
7
6
5
4
3
2
1
CENTER TAP
D1
1N4004
D D
34 V. AC
F1
3A/MINI
34 V. AC
26-48-1155
M5
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
44 V. OUT
SIGNAL CH. A
CLIP CH. A
CONTROL V. CH. A
LIMIT CH. A
C C
SPKR. RAIL CH. A
MUTE CH. A
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND
TRANSFORMER TEMP
TRANSFORMER TEMP
RS202
D3
1N4148
R42
33/2W/5%
C9
470/25V
C6
470/50V
LED 3
SIGNAL
R7
100K
BR1
R3
10K
R5
2.7K
Q1
2N5551
2N5551
D5
1N4148D71N4148
C1
1/50V
D9
1N4148
R11
5K/5W
TR1
R13
10K
MAC97A
C8
100/25V
470/6.3V
R9
2.7K
R40
SELECTED
Q3
LED 1
CLIP
C3
Z1
1N5927
D11
1N4148
26-48-1136
C5
0.1/100V
M12
12345678910111213
1N5927
R41
SELECTED
R12
5K/5W
TR2
MAC97A
C2
1/50V
2N5551
2.7K
R6
R4
D6
1N4148
10K
D4
1N4148
D2
1N4148
26-48-1155
M6
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
27 V. IN
SIGNAL CH. B
CLIP CH. B
CONTROL V. CH. B
LIMIT CH. B
SPKR. RAIL CH. B
MUTE CH. B
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND.
GROUND
RELAY GROUND
RELAY GROUND
RELAY 1,3
RELAY 2,4
Q2
R14
10K
R8
100K
LED 4
SIGNAL
D8
1N4148
LED 2
CLIP
R10
2.7K
2N5551
Q4
C4
470/6.3V
Z2
C7
100/25V
D10
1N4148
R19
5.1K
1N4148
D17
1N4148
D15
-
2
+
3
4 13
R29
10K
4.7K
LED 5
TEMP/DC
R17
2.7K
1
IC1A
LM614
R38
R25
100K
D13
1N4148
B B
LED 7
ACTIVE
R15
2.7K
MPSA75
Q5
R27
390
R21
1K
7
IC1B
LM614
R23
750/1%
8
D19
1N4148
-
6
+
5
13
IC1E
LM614
9
R31
390K
499/1%
R33
4.7K
R35
R36
499/1%
R37
2.2K
R34
4.7K
R24
750/1%
D18
1N4148
R32
390K
R22
1K
IC1D
LM614
D14
16
1N4148
D16
1N4148
-
15
+
14
M9
53.6K 1/4W/1%
60.4K 1/4W/1%
73.2K 1/4W/1%
123456789
M7
3
2
1
26-48-1035
A A
VR1
5KB
10
26-48-1102
R40, R41 RESISTOR VALUES
MODEL VALUE
3301 41.2K 1/4W/1%
4601
4801
6001
7001 84.5K 1/4W/1%
R20
5.1K
12
11
R39 100K
R30
10K
LED 6
TEMP/DC
R18
2.7K
+
10
-
IC1C
LM614
R26
4.7K
R28
390
LED 8
ACTIVE
R16
2.7K
Q6
MPSA75
D12
1N4148
M8
3
26-48-1035
2
1
VR2
5KB
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
7-6-48-46-3301 DISPLAY W/NEXSYS CONTROL
Size Document Number Rev
21C1095
C
8
7
6
5
4
3
Date: Sheet of
2
1 0Wednesday, May 17, 2000
1
02
Page 5
8
7
6
5
4
3
2
1
34 V. AC
34 V. AC
D D
26-48-1155
M5
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
44 V. OUT
SIGNAL CH. A
CLIP CH. A
CONTROL V. CH. A
LIMIT CH. A
SPKR. RAIL CH. A
MUTE CH. A
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND
TRANSFORMER TEMP
TRANSFORMER TEMP
C C
3A/MINI
1N4148
F1
BR1
RS202
R3
10K
D3
1N4148
D13
LED 7
ACTIVE
D5
1N4148D71N4148
TEMP/DC
R15
2.7K
MPSA75
Q5
LED 5
4.7K
C6
470/50V
LED 3
SIGNAL
470/6.3V
C3
R7
100K
D9
1N4148
4.7K
R5
2.7K
Q1
2N5551
C1
1/50V
R11
5K/5W
TR1
R13
MAC97A
D11
1N4148
R19
7.5K
R17
2.7K
1N4148
1N4148
D15
D17
-
2
1
+
IC1A
LM614
R25
100K
R27
390
3
4 13
R38
R29
10K
7
IC1 B
LM614
R9
2.7K
Q3
2N5551
R21
1K
-
6
+
5
390K
Z1
1N5927
LED 1
CLIP
C5
0.1/100V
LED 2
CLIP
1N5927
R10
2.7K
2N5551
Q4
Z2
470/6.3V
D10
R8
100K
LED 4
SIGNAL
D8
1N4148
C2
1/50V
C4
TR2
MAC97A
2N5551
R12
5K/5W
R6
2.7K
R4
D4
1N4148
10K
D2
1N4148
M6
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
26-48-1155
27 V. IN
SIGNAL CH. B
CLIP CH. B
CONTROL V. CH. B
LIMIT CH. B
SPKR. RAIL CH. B
MUTE CH. B
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND.
GROUND
RELAY GROUND
RELAY GROUND
RELAY 1,3
RELAY 2,4
Q2
D6
1N4148
R14
4.7K
1N4148
* *
R23
750/1%
D19
1N4148
R31
R35
499/1%
R33
4.7K
R24
750/1%
8
13
IC1 E
LM614
1N4148
D18
9
R34
4.7K
R32
390K
R36
499/1%
R37
2.2K
R22
1K
LM614
IC1D
D14
16
1N4148
D16
1N4148
-
15
+
14
R20
7.5K
12
+
11
- IC1C
R39 100K
R30
10K
LM614
LED 6
TEMP/DC
R18
2.7K
LED 8
ACTIVE
R16
2.7K
D12
1N4148
10
R26
4.7K
Q6
R28
390
MPSA75
B B
26-48-1035
M7
1
2
3
VR1
5KB
VR2
5KB
26-48-1035
M8
1
2
3
* NOTE
ON 7001 R23, R24 WILL CHANGE TO 1K/1% WITH UL APPROVAL
A A
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
7001/6001/4801 DISPLAY
Size Document Number Rev
21C0948
C
8
7
6
5
4
3
Date: Sheet of
2
1 0Wednesday, May 17, 2000
1
Page 6
8
17 V. AC
R54
33R/5W
34 V. AC
D D
34 V. AC
F1
1N4004
7
6
5
M12
26-48-1136
4
12345678910111213
3
2
1
D1
C9
470/16V
R40
NOTE 1:
NOTE 1:
R41
3A/MINI
BR1
RS202
C6
470/50V
1N5913B
R46
Z3
R50
2.2K
84
3
+
2
- IC2A
LM393M
R3
NOTE 2:
10K
10K/1W
C10
2.2/100V
R47
44 V. OUT
SIGNAL CH. A
CLIP CH. A
CONTROL V. CH. A
LIMIT CH. A
C C
SPKR. RAIL CH. A
MUTE CH. A
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND
TRANSFORMER TEMP
TRANSFORMER TEMP
M5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
26-48-1155
2.2K/1W
D3
1N4148
R42
10K
1
D5
1N4148D71N4148
470/6.3V
D10
1N4148
R8
100K
2.7K
R6
PMBT5551
Q2
LED 4
SIGNAL
D8
1N4148
C4
C2
1/50V
R12
5K/5W
TR2
MAC97A
C7
R14
10K
R43
10K
IC2B
LM393M
7
D6
1N4148
+
-
5
6
D4
1N4148
2.2K
Z4
R53
1N5913A
R48
10K/1W
C11
2.2/100V
NOTE 2:
D2
1N4148
R4
10K
2.2K/1W
R49
M6
27 V. IN
1
SIGNAL CH. B
2
CLIP CH. B
3
CONTROL V. CH. B
4
LIMIT CH. B
5
SPKR. RAIL CH. B
6
MUTE CH. B
7
TEMP SENSOR +
8
TEMP SENSOR OUT
9
TEMP SENSOR GND.
10
GROUND
11
RELAY GROUND
12
RELAY GROUND
13
RELAY 1,3
14
RELAY 2,4
15
26-48-1155
100/25V
R5
2.7K
Q1
PMBT5551
5K/5W
R13
10K
MAC97A
R7
100K
LED 3
SIGNAL
PMBT5551
C8
100/25V
470/6.3V
D9
1N4148
C3
C1
1/50V
R11
TR1
R9
2.7K
Q3
LED 1
CLIP
R45
45.3/1%
499/1%
R44
Z1
1N5927
VR3
250
0.1/100V
NOTE 3
1N5927
C5
R10
2.7K
PMBT5551
LED 2
Q4
CLIP
R52
Z2
D11
1N4148
R20
5.1K
14
15
R39 100K
R30
10K
3
+
-
IC1D
LM614M
LED 6
TEMP/DC
R18
2.7K
LED 8
ACTIVE
R16
2.7K
D12
1N4148
16
R26
4.7K
Q6
R28
390
MPSA75
M8
3
26-48-1035
2
1
VR2
5KB
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
MA5850 DISPLAY WITH NEXUS CONTROL
Size Document Number Rev
21C1229
C
Date: Sheet of
2
1 0Friday, May 19, 2000
1
02
R32
390K
R22
1K
IC1C
D14
10
1N4148
D16
1N4148
-
11
+
12
LM614M
7
IC1B
LM614M
R21
1K
R23
750/1%
8
LM614M
R35
IC1E
13
9
R36
499/1%
R37
2.2K
D19
1N4148
-
6
+
5
R31
390K
499/1%
R33
4.7K
D13
1N4148
LED 7
ACTIVE
R15
2.7K
LED 5
TEMP/DC
R17
2.7K
1
IC1A
LM614M
B B
4.7K
R38
R25
100K
MPSA75
Q5
R27
390
R19
5.1K
1N4148
D17
1N4148
D15
-
2
+
3
4 13
R29
10K
4.7K
R24
750/1%
D18
1N4148
R34
M9
60.4K 1/4W/1%
73.2K 1/4W/1%
123456789
M7
3
2
1
26-48-1035
A A
VR1
5KB
NOTE 1:
NOTE 2: R3, R4 NOT INSTALLED
10
26-48-1102
R40, R41 RESISTOR VALUES
MODEL VALUE
4801
6001
7001 84.5K 1/4W/1%
RESERVED FOR FUTURE USE
NOTE 3: R52 USED FOR FIXED SIGNAL PRESENSE THRESHOLD
8
7
6
5
4
Page 7
8
7
6
5
4
3
2
1
R8
10K
R7
10K
R13
220K
C6 30pF
SIP1B
10K/0.2%
-
6
+
5
VCC+
C5
470pF
IC1B
NE5532AN
R9
1K
(NEW)
2N5401
Q3
R11
22K
100K
C2
D2
1N4148
47/35V
D3
1N4148
D13
R10
1N4148
R31
4.7K
R32
1.5K/1%
R33
22K
R30
C13
10/35V
47K
84
3
+
1
7
VCC-
2
R14
10K/1%
-
IC1A
NE5532AN
R15
10K/1%
2.2/5%/100V
2N5401
Q9
C8
Q2
R5
4.7K
VCC+
R6
10K
C1
100/35V
TURN ON DELAY
D5
1N4148
D6
1N4148
C4
30pF
BALANCED INPUT/GAIN
D7
1N4148
C7
0.1/50V
D1
1N4148
R1
15K
R2
330K
D D
VCC-
13
12
11
10
9
8
7
6
5
4
3
2
1
J2-M
26-48-1135
C3 0.1/50V
SIP1A
10K/0.2%
SIP1C
Q1
2N5401
R4
22K
R3
2N5551
10K
D4
1N4148
10K/0.2%
SIP1D
10K/0.2%
C C
2N5551
2.2K
Q8
R49
C9
2.2/5%/100V
R16
150K
SPEAKER
SIGNAL
CLIP
CONTROL
SPEAKER
LIMIT
MUTE
B B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J3-M
26-48-1155
R21
100K
R82
NOTE 4
VR1
NOTE 4
D8
1N4148
C11
1/50V
R22 10K
D10 1N4148
D11 1N4148
R23 10K
D9
1N4148
R24
680K
5
+
6
-
R25
680K
C12 1/50V
2
3
VCC+
R26
1K
7
IC2B
RC4559
VCC- VCC-
SIGNAL DETECTOR CLIP DETECTOR AMPLIFIER FRONT END/IC POWER SUPPLY
R17
4.7K
VCC+
84
1
+-IC2A
RC4559
VCC-
SERVO/HIGH PASS I.G.M. DETECTOR
R18
2.2K
R19
10K
C10
0.001/50V
576/1%
(NEW)
R20
R27
2.2K
D21
NOTE 4
1N4148
D20
VCC+
R29
2.7K
84
(NEW)
3
+
1
2
-
1C3A
LM393
R28
10K
R81
10K
D12
1N4148
ATTENUATOR DRIVER
VCC-
ATTENUATION/MUTE
R39
100K
R38
47K
VCC-
R50
10K
7
IC3B
LM393
R34
499/1%
1
2
3
4
5
6
7
8 9
IC4
NE5517AN
R40
47K
R41
100K
VCC+
5
+
6
-
2N5551
R51
1M
R52
100K
2N5551
Q4
16
15
14
13
12
11
10
1nF
R42
100K
Q12
C23
VCC-
100K
1M
R53
R54
2N5401
Q5
R35
750/1%
2.7K
(NEW)
VCC+
R36
Z1 1N5353
C14 470uF
C16 470uF
0.47/250V
R37
47K
Z3 1N5938
R47
SELECT
Z5
SELECT
D23
1N4004
R45
100/1%
R44
SELECT
R43
100/1%
D22
1N4004
Z6
SELECT
R46
SELECT
R55
2.2K
D14
1N4148
D15
1N4148
Z4 1N5938
0.47/250V
C17 470uF
C15 470uF
Z2 1N5353
R56
2.2K
C18
0.1uF
R57
100
R58
100
C20
C21
0.1uF
C19
2N5401
VCC+
R65
NOTE 3
2N5551
Q6
R69
NOTE 1
Q10
2N5551
Q14
2N5551
R59
511/1%
R74
R76
NOTE 2
R78
2.7K
R79
11K/1%/1W
R80
576/1%
(NEW)
R77
NOTE 2
47
D18
SF14
C22
09-52-3172
J1-F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
30pF
D19
SF14
R75
D16
1N4148
D17
1N4148
Q1A
MPQ6700
R61
68.1/1%
R63
8.25K/1%
R62
68.1/1%
Q1C
MPQ6700
MPQ6700
MPQ6700
Q1B
R67
68.1/1%
R71
R64
8.25K/1%
R68
68.1/1%
100
R72
100
Q1D
47
Q11
R70
NOTE 1
2N5401
Q15
2N5401
Q7
R60
511/1%
R66
NOTE 3
VCC-
NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601
6.8K 2W ON MODELS 6001, 4801
4.3K 2W ON MODEL 4601
5.6K 2W ON MODELS CC301/300
3.3K 2W ON MODELS CV301, CC151, 3301
A A
NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601
20K 2W ON MODELS 6001, 4801, CC301
16K 2W ON MODEL 4601
15K 2W ON MODELS CV301, CC151, 3301
8
7
NOTE 3: 750 10W ON MODELS 8001, CV601
680 10W ON MODEL 7001
620 10W ON MODEL 6001
560 10W ON MODELS 4801, MA5850
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, 3301
360 10W ON MODEL CC151
NOTE 4: R82, D20, VR1 ARE USED ON MODEL MA5850 ONLY
PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5:
6
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, CC151, 3301
NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY
5
REV NOTES 7/15/93
(1) DELETE R12
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
PRO-LINE PREAMP/FRONT END
Size Document Number Rev
21C1124-02 02
C
4
3
Date: Sheet of
2
1 1Friday, May 19, 2000
1
Page 8
8
7
6
5
4
3
2
1
R8
10K
R7
10K
R13
220K
C6 30pF
SIP1B
10K/0.2%
-
6
+
5
VCC+
C5
470pF
IC1B
NE5532AN
R9
1K
2N5401
(NEW)
C2
D2
1N4148
47/35V
D3
1N4148
D13
Q3
R10
100K
R11
22K
1N4148
R31
4.7K
R32
1.5K/1%
R33
22K
R30
C13
10/35V
47K
84
3
+
1
7
VCC-
2
R14
10K/1%
-
IC1A
NE5532AN
R15
10K/1%
2.2/5%/100V
2N5401
Q9
C8
Q2
R5
4.7K
R6
10K
TURN ON DELAY
VCC+
D5
1N4148
D6
1N4148
C4
30pF
BALANCED INPUT/GAIN
C1
100/35V
D7
1N4148
C7
0.1/50V
D1
1N4148
R1
15K
R2
330K
D D
VCC-
13
12
11
10
9
8
7
6
5
4
3
2
1
J2-M
26-48-1135
10K/0.2%
C3 0.1/50V
SIP1A
SIP1C
Q1
2N5401
R4
22K
R3
2N5551
10K
D4
1N4148
10K/0.2%
SIP1D
10K/0.2%
C C
2N5551
C9
2.2/5%/100V
R16
150K
SPEAKER
SIGNAL
CLIP
CONTROL
SPEAKER
LIMIT
MUTE
B B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J3-M
26-48-1155
R21
100K
R82
NOTE 4
VR1
NOTE 4
D8
1N4148
C11
1/50V
R22 10K
D10 1N4148
D11 1N4148
R23 10K
D9
1N4148
R24
680K
5
+
6
-
R25
680K
C12 1/50V
VCC+
2
3
VCC-
VCC+
R26
1K
7
IC2B
RC4559
VCC- VCC-
SIGNAL DETECTOR CLIP DETECTOR AMPLIFIER FRONT END/IC POWER SUPPLY
R17
4.7K
84
1
+-IC2A
RC4559
SERVO/HIGH PASS I.G.M. DETECTOR
R18
2.2K
R19
10K
C10
0.001/50V
576/1%
(NEW)
R20
R27
2.2K
D21
NOTE 4
1N4148
D20
VCC+
R29
2.7K
84
(NEW)
3
+
1
2
-
1C3A
LM393
R28
10K
R81
10K
1N4148
2.2K
D12
ATTENUATOR DRIVER
Q8
R49
VCC-
ATTENUATION/MUTE
R39
100K
R38
47K
VCC-
R50
10K
7
IC3B
LM393
R34
499/1%
1
2
3
4
5
6
7
8 9
IC4
NE5517AN
R40
47K
R41
100K
VCC+
5
+
6
-
2N5551
R51
1M
R52
100K
2N5551
Q4
16
15
14
13
12
11
10
1nF
R42
100K
Q12
C23
VCC-
R53
100K
R54
1M
R37
47K
2N5401
Q5
R35
750/1%
2.7K
(NEW)
Z5
SELECT
D23
1N4004
R44
SELECT
D22
1N4004
Z6
SELECT
R36
R47
SELECT
100/1%
100/1%
SELECT
R55
2.2K
D14
1N4148
D15
1N4148
R56
2.2K
VCC+
Z1 1N5353
C14 470uF
C16 470uF
0.47/250V
Z3 1N5938
R45
R43
R46
Z4 1N5938
0.47/250V
C17 470uF
C15 470uF
Z2 1N5353
100
100
C18
0.1uF
R57
R58
C20
C21
0.1uF
C19
2N5401
VCC+
R65
NOTE 3
2N5551
Q6
R69
NOTE 1
Q10
2N5551
Q14
2N5551
R59
511/1%
R74
R76
NOTE 2
R78
2.7K
11K/1%/1W
576/1%
(NEW)
R77
NOTE 2
47
D18
SF14
C22
09-52-3172
J1-F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
30pF
R79
R80
D19
SF14
R75
D16
1N4148
D17
1N4148
Q1A
MPQ6700
R61
68.1/1%
R63
8.25K/1%
R62
68.1/1%
Q1C
MPQ6700
MPQ6700
MPQ6700
Q1B
R67
68.1/1%
R71
R64
8.25K/1%
R68
68.1/1%
100
R72
100
Q1D
47
Q11
R70
NOTE 1
2N5401
Q15
2N5401
Q7
R60
511/1%
R66
NOTE 3
VCC-
NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601
6.8K 2W ON MODELS 6001, 4801
4.3K 2W ON MODEL 4601
5.6K 2W ON MODELS CC301/300
3.3K 2W ON MODELS CV301, CC151, 3301
A A
NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601
20K 2W ON MODELS 6001, 4801, CC301
16K 2W ON MODEL 4601
15K 2W ON MODELS CV301, CC151, 3301
8
7
NOTE 3: 750 10W ON MODELS 8001, CV601
680 10W ON MODEL 7001
620 10W ON MODEL 6001
560 10W ON MODELS 4801, MA5850
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, 3301
360 10W ON MODEL CC151
NOTE 4: R82, D20, VR1 ARE USED ON MODEL MA5850 ONLY
PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5:
6
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, CC151, 3301
NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY
5
REV NOTES 7/15/93
(1) DELETE R12
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
PRO-LINE PREAMP/FRONT END
Size Document Number Rev
21C1124-02 02
C
4
3
Date: Sheet of
2
1 1Wednesday, May 17, 2000
1
Page 9
8
7
6
5
4
3
2
1
CENTER TAP
D100
1N4004
D D
34 V. AC
34 V. AC
3A/MINI
F1
BR1
RS202
C6
470/50V
R3
33K
D3
1N4148
26-48-1155
M5
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
44 V. OUT
SIGNAL CH. A
CLIP CH. A
CONTROL V. CH. A
LIMIT CH. A
SPKR. RAIL CH. A
MUTE CH. A
TEMP SENSOR +
C C
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND
TRANSFORMER TEMP
TRANSFORMER TEMP
D5
1N4148D71N4148
R100
56/5W/5%
Z100
1N5346
C9
470/16V
R5
1.2K
LED 3
SIGNAL
Q1
2N5551
R7
100K
2N5551
C1
1/50V
D9
1N4148
R11
5K/5W
TR1
R13
10K
MAC97A
C8
100/25V
470/6.3V
R9
2.7K
R40
SELECTED
Q3
LED 1
CLIP
C3
Z1
1N5927
D11
1N4148
26-48-1136
C5
0.1/100V
M12
12345678910111213
1N5927
R41
SELECTED
R6
1.2K
470/6.3V
D10
R8
100K
D8
1N4148
C4
LED 4
SIGNAL
D6
1N4148
R4
33K
D4
1N4148
D2
1N4148
26-48-1155
M6
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
27 V. IN
SIGNAL CH. B
CLIP CH. B
CONTROL V. CH. B
LIMIT CH. B
SPKR. RAIL CH. B
MUTE CH. B
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND.
GROUND
RELAY GROUND
RELAY GROUND
RELAY 1,3
RELAY 2,4
2N5551
Q2
C2
1/50V
R12
5K/5W
TR2
MAC97A
C7
R14
10K
100/25V
R10
2.7K
LED 2
CLIP
2N5551
Q4
Z2
1N4148
D13
1N4148
LED 7
ACTIVE
R15
2.7K
LED 5
TEMP/DC
R17
2.7K
1
IC1A
LM614
R38
R25
100K
B B
4.7K
MPSA75
Q5
M7
1
2
3
26-48-1035
A A
VR1
5KB
R27
390
R19
7.5K
1N4148
1N4148
D15
D17
M9
-
2
+
3
4 13
R29
10K
26-48-1036
R21
1K
7
IC1B
LM614
3
2
1
R23
750/1%
8
499/1%
13
IC1E
LM614
9
R35
R36
499/1%
R37
2.2K
M10
1
2
D19
1N4148
-
6
+
5
R31
390K
R33
4.7K
26-48-1026
R34
4.7K
R24
750/1%
D18
1N4148
R32
390K
R22
1K
LM614
IC1D
D14
16
1N4148
D16
1N4148
1
M11
2
26-48-1036
3
-
15
+
14
R20
7.5K
12
11
R39 100K
R30
10K
LED 6
TEMP/DC
R18
2.7K
+
10
-
IC1C
LM614
R26
4.7K
R28
390
LED 8
ACTIVE
R16
2.7K
Q6
MPSA75
D12
1N4148
M8
26-48-1035
1
2
3
VR2
5KB
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
7001/6001/4801 DISPLAY W/COMPUTER CONTROL
Size Document Number Rev
11C1095
C
8
7
6
5
4
3
Date: Sheet of
2
1 0Friday, May 19, 2000
1
Page 10
8
7
6
5
4
3
2
1
R8
10K
VCC+
R9
1K
MPSA75
Q3
R10
R7
10K
100K
R11
22K
R13
220K
C5
470pF
D2
1N4148
R83
NOTE 4
47/35V
C2
D3
1N4148
D13
1N4148
R31
4.7K
R32
1.5K/1%
R33
22K
R30
C13
10/35V
47K
C6 30pF
SIP1B
10K/0.2%
-
6
7
+
5
IC1B
NE5532AN
VCC-
R17 4.7K
84
1
+-IC2A
RC4559
SERVO/HIGH PASS CURRENT LIMITER
R18
2.2K
3
2
R14
10K/1%
84
+
-
0.001/50V
1
IC1A
NE5532AN
R15
10K/1%
2.2/5%/100V
R19
10K
C10
549/1%
-
8
14
+
SELECTED
R38
10K
SELECTED
1
9
R39
VCC-
VCC
R40
-
6
+
7
IC3C
LM339N
C8
R20
IC3B
LM339N
R27
2.2K
D21
NOTE 4
1N4148
D20
VCC+
R29
2.2K
312
5
+
2
4
IC3A
-
LM339N
R28
10K
R81
10K
1N4148
2.2K
R49
R50
10K
IC3D
LM339N
13
D12
ATTENUATOR DRIVER
Q2
R5
4.7K
C9
R6
10K
TURN ON DELAY
VCC+
D5
1N4148
D6
1N4148
C4
30pF
BALANCED INPUT/GAIN
2.2/5%/100V
D9
1N4148
R24
680K
5
+
6
-
R25
680K
C1
100/35V
D7
1N4148
C7
0.1/50V
VCC+
2
3
VCC-
VCC+
R26
1K
7
IC2B
RC4559
VCC- VCC-
D1
1N4148
R1
15K
R2
330K
D D
VCC-
13
12
11
10
9
8
7
6
5
4
3
2
1
J2-M
26-48-1135
10K/0.2%
C3 0.1/50V
SIP1A
SIP1C
Q1
2N5401
R4
22K
R3
2N5551
10K
D4
1N4148
10K/0.2%
SIP1D
10K/0.2%
C C
R16
150K
SPEAKER
SIGNAL
CLIP
CONTROL
SPEAKER
LIMIT
MUTE
B B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J3-M
26-48-1155
R21
100K
R82
NOTE 4
VR1
NOTE 4
D8
1N4148
C11
1/50V
R22 10K
D10 1N4148
D11 1N4148
R23 10K
C12 1/50V
SIGNAL DETECTOR CLIP DETECTOR AMPLIFIER FRONT END/IC POWER SUPPLY
R34
499/1%
1
2
3
4
5
6
7
8 9
NE5517AN
VCC-
ATTENUATION/MUTE
R41
1K/0.1%
R42
1K/0.1%
VCC+
11
+
10
-
R51
1M
R52
100K
IC4
R43
1K/0.1%
R44
1K/0.1%
2N5551
Q4
16
15
14
13
12
11
10
R45 100K/0.1%
R46 100K/0.1%
R47
100K/0.1%
R48
100K/0.1%
R53
100K
R54
1M
VCC-
R37
47K
2N5401
Q5
R35
750/1%
3.3K
2.2K
2.2K
R36
R55
D14
1N4148
D15
1N4148
R56
VCC+
Z1 1N5353
C14 470uF
C16 470uF
0.47/250V
Z3 1N5938
Z4 1N5938
0.47/250V
C17 470uF
C15 470uF
Z2 1N5353
100
100
C18
0.1uF
R57
R58
C20
C21
0.1uF
C19
2N5401
VCC+
R65
NOTE 3
R59
511/1%
2N5551
R69
NOTE 1
Q14
2N5551
Q10
Q6
2N5551
R73
0
R74
R76
NOTE 2
R78
2.7K
11K/1%/1W
549/1%
R77
NOTE 2
47
D18
SF14
C22
09-52-3172
J1-F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
30pF
R79
R80
D19
SF14
R75
D16
1N4148
D17
1N4148
Q8
2N5551
R61
68.1/1%
R63
8.25K/1%
R62
68.1/1%
Q9
2N5401
2N5551
Q12
R67
68.1/1%
R64
8.25K/1%
R68
68.1/1%
2N5401
Q13
R71
100
R72
100
47
Q11
R70
NOTE 1
2N5401
Q15
2N5401
Q7
R60
511/1%
R66
NOTE 3
VCC-
NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601
6.8K 2W ON MODELS 6001, 4801
4.3K 2W ON MODEL 4601
5.6K 2W ON MODELS CC301/300
3.3K 2W ON MODELS CV301, CC151, 3301
A A
NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601
20K 2W ON MODELS 6001, 4801, CC301
16K 2W ON MODEL 4601
15K 2W ON MODELS CV301, CC151, 3301
8
7
NOTE 3: 750 10W ON MODELS 8001, CV601
680 10W ON MODEL 7001
620 10W ON MODEL 6001
560 10W ON MODELS 4801, MA5850
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, 3301
360 10W ON MODEL CC151
NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY
PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5:
6
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, CC151, 3301
NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY
5
REV NOTES 7/15/93
(1) DELETE R12
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
PRO-LINE PREAMP/FRONT END
Size Document Number Rev
21C1124-02 02
C
4
3
Date: Sheet of
2
1 0Wednesday, May 17, 2000
1
Page 11
Notes: RL3,RL4,R5,R6 Not used on 6001. Br1 and Br2 are mounted on the bottom of PCB.
C3 thru C10 are 15,000uF / 63v for 6001---10,000uF / 67v for 7001
Page 12
8
7
6
5
4
3
2
1
C3
R7
2.2K
549/1%
243/1%
121/1%
10/1%
R10
R11
R6
R9
R8
11
10
5
4
7
6
9
8
R12
330K
312
+
-
+
-
+
-
+
-
10/25V
IC5A
LM339D
IC5B
LM339D
IC5C
LM339D
IC5D
LM339D
STEP 4
2
R13
2.7K
OPTO1A
PC3Q17
STEP 3
1
R14
2.7K
OPTO1B
PC3Q17
STEP 2
14
R15
2.7K
OPTO1C
PC3Q17
STEP 1
13
R16
2.7K
OPTO1D
PC3Q17
R17
15K
7.5K
R19
1.8K
R20
2K/1%
R18
J2
1
2
3
D7
ANALOG GND
ANALOG GND
1N4004
D8
1N4004
D9
1N4004
D10
1N4004
C5
0.1/50V
C4
0.1/50V
A/OUTPUT
A/IGM
A/CLIP
A/PROTECT
B/OUTPUT
B/IGM
B/CLIP
B/PROTECT
A/TEMP
B/TEMP
A/+16V
B/+16V
A/-16V
B/-16V
+20V
+24V
13
12
11
10
9
8
7
6
5
4
3
2
1
09-48-2131
1
2
3
4
5
6
7
26-48-1075
DATA & POWER CONN.
09-48-2101
J3
1
2
3
4
5
6
7
8
9
10
J1
J2
26-48-1035
R1
100K
IC2B
NJM5532M
5
D D
D1
1N4148
D2
1N4148
+
6
-
7
D3
DL103A
R2
150K
R3
10K
1.78K/1%
R4
10K
D4
DL103A
84
2
-
3
+
IC2A
C C
NJM5532M
C1
0.1/50V
1
0.1/50V
C2
C4
.22/50V
VR JUMPER
B B
CHANNEL B SAME AS ABOVE
A A
8
7
6
5
4
3
CREST AUDIO
100 EISENHOWER DRIVE
PARAMUS, NJ 07652
Title
NEXSYS DATA ENCODER
Size Document Number Rev
21B1646
B
Date: Sheet of
2
0 0Wednesday, May 17, 2000
1
Page 13
8
7
6
5
4
3
2
1
R8
10K
VCC+
R9
1K
MPSA75
Q3
R10
R7
10K
100K
R11
22K
R13
220K
C5
470pF
D2
1N4148
R83
NOTE 4
C2
47/35V
D3
1N4148
D13
1N4148
R31
4.7K
R32
1.5K/1%
R33
22K
R30
C13
10/35V
47K
C6 30pF
SIP1B
10K/0.2%
-
6
7
+
5
IC1B
NE5532AN
VCC-
R17 4.7K
84
1
+-IC2A
RC4559
SERVO/HIGH PASS CURRENT LIMITER
R18
2.2K
3
2
R14
10K/1%
84
+
-
0.001/50V
1
IC1A
NE5532AN
R15
10K/1%
2.2/5%/100V
R19
10K
C10
549/1%
-
8
14
+
SELECTED
R38
10K
SELECTED
1
9
R39
VCC-
VCC
R40
-
6
+
7
IC3C
LM339N
C8
R20
IC3B
LM339N
R27
2.2K
D21
NOTE 4
1N4148
D20
VCC+
R29
2.2K
312
5
+
2
4
IC3A
-
LM339N
R28
10K
R81
10K
1N4148
2.2K
R49
R50
10K
IC3D
LM339N
13
D12
ATTENUATOR DRIVER
Q2
R5
4.7K
VCC+
C9
R6
10K
TURN ON DELAY
D5
1N4148
D6
1N4148
C4
30pF
BALANCED INPUT/GAIN
2.2/5%/100V
D9
1N4148
R24
680K
5
+
6
-
RC4559
R25
680K
C1
100/35V
D7
1N4148
C7
0.1/50V
VCC+
2
3
VCC-
VCC+
R26
1K
7
IC2B
VCC- VCC-
D1
1N4148
R1
15K
R2
330K
D D
VCC-
13
12
11
10
9
8
7
6
5
4
3
2
1
J2-M
26-48-1135
C3 0.1/50V
SIP1A
10K/0.2%
SIP1C
Q1
2N5401
R4
22K
R3
2N5551
10K
D4
1N4148
10K/0.2%
SIP1D
10K/0.2%
C C
R16
150K
SPEAKER
SIGNAL
CLIP
CONTROL
SPEAKER
LIMIT
MUTE
B B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J3-M
26-48-1155
R21
100K
R82
NOTE 4
VR1
NOTE 4
D8
1N4148
C11
1/50V
R22 10K
D10 1N4148
D11 1N4148
R23 10K
C12 1/50V
SIGNAL DETECTOR CLIP DETECTOR AMPLIFIER FRONT END/IC POWER SUPPLY
R34
499/1%
1
2
3
4
5
6
7
8 9
NE5517AN
VCC-
ATTENUATION/MUTE
R41
1K/0.1%
R42
1K/0.1%
VCC+
11
+
10
-
1M
100K
R51
R52
IC4
R43
1K/0.1%
R44
1K/0.1%
2N5551
Q4
16
15
14
13
12
11
10
R45 100K/0.1%
R46 100K/0.1%
R47
100K/0.1%
R48
100K/0.1%
R53
100K
R54
1M
VCC-
2N5401
Q5
R35
750/1%
VCC+
R36
Z1 1N5353
C14 470uF
3.3K
C16 470uF
0.47/250V
R37
47K
Z3 1N5938
R55
2.2K
D14
1N4148
D15
1N4148
Z4 1N5938
0.47/250V
C17 470uF
C15 470uF
Z2 1N5353
R56
2.2K
C18
0.1uF
R57
100
R58
100
C20
C21
0.1uF
C19
2N5401
VCC+
R65
NOTE 3
R59
511/1%
2N5551
R69
NOTE 1
Q14
2N5551
Q10
Q6
2N5551
R73
0
R74
R76
NOTE 2
R78
2.7K
R79
11K/1%/1W
R80
549/1%
R77
NOTE 2
47
D18
SF14
C22
09-52-3172
J1-F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
30pF
D19
SF14
R75
D16
1N4148
D17
1N4148
Q8
2N5551
R61
68.1/1%
R63
8.25K/1%
R62
68.1/1%
Q9
2N5401
2N5551
Q12
R67
68.1/1%
R64
8.25K/1%
R68
68.1/1%
2N5401
Q13
R71
100
R72
100
47
Q11
R70
NOTE 1
2N5401
Q15
2N5401
Q7
R60
511/1%
R66
NOTE 3
VCC-
NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601
6.8K 2W ON MODELS 6001, 4801
4.3K 2W ON MODEL 4601
5.6K 2W ON MODELS CC301/300
3.3K 2W ON MODELS CV301, CC151, 3301
A A
NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601
20K 2W ON MODELS 6001, 4801, CC301
16K 2W ON MODEL 4601
15K 2W ON MODELS CV301, CC151, 3301
8
7
NOTE 3: 750 10W ON MODELS 8001, CV601
680 10W ON MODEL 7001
620 10W ON MODEL 6001
560 10W ON MODELS 4801, MA5850
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, 3301
360 10W ON MODEL CC151
NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY
PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5:
6
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, CC151, 3301
NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY
5
REV NOTES 7/15/93
(1) DELETE R12
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
PRO-LINE PREAMP/FRONT END
Size Document Number Rev
21C1124-02 02
C
4
3
Date: Sheet of
2
1 0Friday, May 19, 2000
1
Page 14
8
7
02-10-94
CHANGE R101,R109 FROM 10K TO 4.7K.
CHANGE R103,R111 FROM 2.2K TO 2.7K.
CHANGE R107,R115 FROM 3.3K TO 4.7K.
CHANGE R108,R116 FROM 2.2K TO 1K.
CHANGE Z101,Z102 FROM MLL4728 TO MLL4733.
6
5
4
3
2
1
TEMP 'A'
R123
R11
5K/5W
MAC97A
10K
9
+
8
-
R124
10K
R125
10K
11
+
10
-
R126
10K
D107
1N4004
D108
1N4004
D109
1N4004
D110
1N4004
R7
100K
LED 3
SIGNAL
PMBT5551
D9
C1
1N4148
1/50V
TR1
470/6.3V
C8
100/25V
R101
14
4.7K
IC101C
LM339M
R109
13
4.7K
IC101D
LM339
R9
2.7K
Q3
LED 1
CLIP
C3
MLL4742
IGM 'A'
D D
CLIP 'A'
R119
10K
R122
R118
100K
312
A/CLIP
5
+
2
4
-
IC101A
LM339M
220
+24V
R117
2.2K
R121
10K
C C
34 V. AC
3A/MINI
F1
BR1
RS202
C6
34 V. AC
470/50V
Z3
MLL4728
R46
47K
C10
2.2/100V
R47
M5
15
CLIP CH. A
CONTROL V. CH. A
B B
LIMIT CH. A
SPKR. RAIL CH. A
MUTE CH. A
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND
TRANSFORMER TEMP GND
TRANSFORMER TEMP
14
13
12
11
10
9
8
7
6
5
4
3
2
1
26-48-1155
10K/1W
3
R50
2
2.2K
R3
NOTE 2:
10K
D3
1N4148
R120
100K
B/CLIP
7
+
1
6
-
IC101B
LM339M
0.1/50V
C105
C104
0.1/50V
CLIP 'B'
R42
R5
10K
2.7K
84
+
1
-
IC2A
LM393M
D5
1N4148
D7
1N4148
Q1
PMBT5551
R13
10K
84
3
+
1
2
-
IC102A
LM358AM
R102
4.7K
D102
1N4148
5
+
7
6
-
IC102B
LM358AM
R110
4.7K
D105
1N4148
VDDA
VDDB
VEEA
VEEB
R45
VR3
250
Z1
45.3/1%
499/1%
R44
D11
1N4148
R105
100
C101
1/50V
R103
2.7K
R107
4.7K
TEMP 'B'
C102
1/50V
R111
2.7K
R115
4.7K
Z101
R108
1K
MLL4733
R113
100
R116
1K
MLL4733
PROT 'A'
DATA 'A'
C103
0.1/50V
Z102
PROT 'B'
DATA 'B'
A/DATA
AUX GND
B/DATA
A/+16V
B/+16V
A/-16V
B/-16V
DATA & POWER CONN.
26-48-1075
1
2
3
4
5
6
7
J5
IGM 'B'
0.1/50V
MLL4742
NOTE 3
R8
PMBT5551
Q4
100K
D8
1N4148
C4
C5
R10
2.7K
LED 2
CLIP
R52
470/6.3V
Z2
100/25V
D10
R6
2.7K
PMBT5551
Q2
LED 4
SIGNAL
C2
1/50V
R12
5K/5W
TR2
MAC97A
C7
R43
10K
NOTE 2:
D2
1N4148
Z4
MLL4728
R48
47K
C11
2.2/100V
R49
10K/1W
R4
10K
26-48-1155
M6
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
44 V. OUT 24 V. IN
SIGNAL CH. B SIGNAL CH. A
CLIP CH. B
CONTROL V. CH. B
LIMIT CH. B
SPKR. RAIL CH. B
MUTE CH. B
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND.
GROUND
RELAY GROUND
RELAY GROUND
RELAY 1,3
RELAY 2,4
IC2B
LM393M
5
+
7
R53
6
-
2.2K
D6
D4
1N4148
1N4148
R14
10K
1N4148
LED 7
26-48-1035
D13
ACTIVE
1N4148
M7
3
2
1
VR1
5KB
R15
2.7K
LED 5
TEMP/DC
R17
2.7K
1
IC1A
LM614WM
R38
100K
R25
4.7K
MPSA75
Q5
R27
A A
8
7
390
R19
5.1K
-
2
+
3
4 13
1N4148
R29
10K
1N4148
R21
D15
7
IC1B
LM614WM
D17
R23
1K
750/1%
8
LM614WM
R35
499/1%
R33
4.7K
13
IC1E
9
R37
2.2K
D19
1N4148
-
6
+
5
R31
390K
6
499/1%
R24
750/1%
1N4148
R36
R34
4.7K
R22
1K
D18
11
12
-
+
LM614WM
D14
10
IC1C
1N4148
R32
390K
D16
1N4148
5
R20
5.1K
14
15
R39 100K
R30
10K
+
-
LM614WM
26-48-1035
M8
3
2
1
LED 6
TEMP/DC
R18
2.7K
ACTIVE
R16
2.7K
LED 8
D12
1N4148
VR2
5KB
16
IC1D
R26
4.7K
Q6
MPSA75
R28
390
4
NOTE 1: R3, R4 NOT INSTALLED
RESERVED FOR FUTURE USE
NOTE 3: R52 USED FOR FIXED SIGNAL PRESENSE THRESHOLD
3
CREST AUDIO
100 EISENHOWER DRIVE
PARAMUS, NJ 07652
Title
MA5850 DISPLAY WITH NEXSYS
Size Document Number Rev
21D1777
D
2
Date: Sheet of
0 0Friday, May 19, 2000
1
Page 15
8
7
6
5
4
3
2
1
TEMP 'A'
R123
IGM 'A'
D D
R119
CLIP 'A'
10K
R122
220
R118
100K
312
A/CLIP
5
+
2
4
-
IC101A
LM339
+24V
R117
2.2K
R121
10K
C C
0.1/50V
R120
100K
B/CLIP
7
+
1
6
-
IC101B
LM339
C105
0.1/50V
C104
10K
9
+
8
-
R124
10K
R125
10K
11
+
10
-
R126
10K
D107
1N4001
D108
1N4001
D109
1N4001
D110
1N4001
LM339
LM339
IC101C
IC101D
R101
14
4.7K
R109
13
4.7K
3
2
5
6
1N4148
84
+
1
-
IC102A
LM358A
R102
4.7K
D102
1N4148
+
7
-
IC102B
LM358A
R110
4.7K
D105
VDDA
VDDB
VEEA
VEEB
R105
100
C101
1/50V
R103
2.7K
R107
4.7K
TEMP 'B'
R111
2.7K
R115
4.7K
1/50V
Z101
R108
1K
1N5918A
(5.1V)
R113
100
C103
0.1/50V
PROT 'A'
DATA 'A'
C102
Z102
R116
1K
1N5918A
(5.1V)
PROT 'B'
DATA 'B'
A/DATA
AUX GND
B/DATA
A/+16V
B/+16V
A/-16V
B/-16V
DATA & POWER CONN.
26-48-1075
1
2
3
4
5
6
7
J3
IGM 'B'
CLIP 'B'
34 V. AC
2N5551
Q4
470/6.3V
1N4148
R8
100K
D8
1N4148
C4
100/25V
D10
R6
2.7K
D6
1N4148
10K
D4
1N4148
R4
D2
1N4148
M6
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
26-48-1155
27 V. IN
SIGNAL CH. B SIGNAL CH. A
CLIP CH. B
CONTROL V. CH. B
LIMIT CH. B
SPKR. RAIL CH. B
MUTE CH. B
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND.
GROUND
RELAY GROUND
RELAY GROUND
RELAY 1,3
RELAY 2,4
2N5551
Q2
LED 4
SIGNAL
C2
1/50V
R12
5K/5W
TR2
MAC97A
C7
R14
10K
R5
D7
1N4148
2.7K
Q1
2N5551
R13
10K
3A/MINI
44 V. OUT
F1
BR1
RS202
M5
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
26-48-1155
C6
470/50V
D3
1N4148
R3
10K
D5
1N4148
34 V. AC
CLIP CH. A
CONTROL V. CH. A
LIMIT CH. A
SPKR. RAIL CH. A
B B
MUTE CH. A
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND
TRANSFORMER TEMP GND
TRANSFORMER TEMP
R11
5K/5W
MAC97A
R7
100K
LED 3
SIGNAL
D9
C1
1N4148
1/50V
TR1
470/6.3V
C8
100/25V
2N5551
C3
R9
2.7K
Q3
LED 1
CLIP
Z1
1N5927A
0.1/50V
C5
1N5927A
R10
2.7K
LED 2
CLIP
Z2
D11
1N4148
LED 5
TEMP/DC
R17
2.7K
1
IC1A
LM614
R38
R25
100K
4.7K
26-48-1035
LED 7
D13
ACTIVE
1N4148
R15
M7
3
2
1
VR1
5KB
2.7K
MPSA75
Q5
R27
390
A A
8
7
R19
5.1K
-
2
+
3
4 13
1N4148
R29
10K
1N4148
R21
D15
7
IC1B
LM614
D17
12-14-93
NOTE 1
6
R23
750/1%
1K
D19
1N4148
-
6
+
5
R31
390K
CHANGE R101,R109 FROM 10K TO 4.7K.
CHANGE R103,R111 FROM 2.2K TO 2.7K.
CHANGE R107,R115 FROM 3.3K TO 4.7K.
CHANGE R108,R116 FROM 2.2K TO 1K.
CHANGE Z101,Z102 FROM 1N5913 TO 1N5918.
499/1%
R33
4.7K
R35
LM614
IC1E
R23,R24 WILL CHANGE TO 1K/1% WITH UL APPROVAL.
8
13
9
R37
2.2K
499/1%
R24
750/1%
D18
1N4148
R36
R34
4.7K
R22
1K
D14
-
15
16
+
14
IC1D
1N4148
LM614
R32
390K
D16
1N4148
5
R20
5.1K
12
11
R39 100K
R30
10K
3
26-48-1035
M8
3
2
1
CREST AUDIO
100 EISENHOWER DRIVE
PARAMUS, NJ 07652
Size Document Number Rev
21D1977-xx
D
2
Date: Sheet of
1
0 0Wednesday, May 17, 2000
LED 6
LED 8
D12
ACTIVE
TEMP/DC
R18
2.7K
+
10
-
IC1C
LM614
R26
4.7K
R28
390
R16
2.7K
Q6
MPSA75
1N4148
4
VR2
5KB
Page 16
8
7
6
5
4
3
2
1
BLUE/WHITE
BLUE/WHITE
1
D D
10
11
12
13
14
15
2
3
4
5
6
7
8
9
BLUE
BLACK/WHITE
BLACK
BLACK/WHITE
BLACK
YELLOW (X2)
RED
PURPLE
WHITE/BLACK
ORANGE
GREY
BROWN
GREEN
RED/WHITE
M6 DISPLAY
1
2
1
1
BLACK
RED
TO FAN
TO FAN
BLACK/WHITE
PURPLE (X2)
GREEN/WHITE
WHITE/BLACK (X2)
RED/WHITE
J2B RELAY
C C
9
8
7
6
5
4
3
2
1
BLACK 18 GA
BLACK 18 GA
BLACK 18 GA
YELLOW
YELLOW/WHITE
GREEN/BLACK
RED/BLACK
BLACK/RED
WHITE/RED
RED/WHITE
10
WHITE/BLACK
BLUE
BLACK
BLACK
YELLOW
ORANGE
GREY
BROWN
GREEN
J1 RELAY
M5 TEMP CH.B
RED
J3 CH.B PREAMP
POWER SUPPLY
GROUND LUG
1
2
3
4
YELLOW SHIELDED
YELLOW SHIELDED
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
YELLOW SHIELDED
WHITE/RED (X2)
YELLOW SHIELDED
.25 LUG
YELLOW SHIELDED
BLUE SHIELDED
WHITE/RED
BLACK SHIELD
BLUE SHIELDED
BLACK SHIELD
BLUE SHIELDED
BLACK SHIELD
BLUE SHIELDED
RED/BLACK
GREEN/BLACK
BLACK 18 GA
BLACK 18 GA
BLACK SHIELD
BLUE SHIELDED
WHITE SHIELD
PURPLE/WHITE
PURPLE
13
12
11
10
9
8
7
6
5
4
3
2
1
J2 CH.B
3
2
1
M8 DISPLAY
13
12
11
10
9
8
7
6
5
4
3
2
1
J5 INPUT
J2A RELAY
J12
BLACK
2
PURPLE/WHITE
1
03-09-1022
J13
GREEN/WHITE
4
B B
03-09-1042
10
11
12
13
14
15
A A
M5 DISPLAY
3
2
1
1
2
3
4
5
6
7
8
9
RED/WHITE
GREEN
RED
GREY/BLACK
WHITE/GREY
BLACK 18 GA
BLACK 18 GA
BLACK 18 GA
YELLOW/WHITE (X2)
RED/WHITE
PURPLE/WHITE
WHITE
ORANGE/WHITE
GREY/WHITE
BROWN/WHITE
GREEN/WHITE
BLACK/RED
.25 LUG
.25 LUG
BLACK/WHITE
YELLOW/WHITE
RED/WHITE
PURPLE/WHITE
ORANGE/WHITE
WHITE (X2)
GREY/WHITE
BROWN/WHITE
GREEN/WHITE
GREEN
RED
WHITE
3
2
1
M5 TEMP CH.A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
J3 CH.A PREAMP
REV. 02 - MODIFY HARNESS TO ACCEPT
CREST COMPUTER CONTROL SYSTEM
REV. 01 EFFECTIVE S/N# 9004Q20
CHANGE RELAY BOARD
8
7
6
5
4
3
WHITE/RED (X2)
WHITE SHIELD
YELLOW SHIELDED
BLUE SHIELDED
WHITE SHIELD
BLUE SHIELDED
YELLOW SHIELDED
WHITE SHIELD
YELLOW SHIELDED
BLUE SHIELDED
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
Size Document Number Rev
B
Date: Sheet of
13
12
11
10
9
8
7
6
5
4
3
2
1
J2 CH.A
3
2
1
M7 DISPLAY
4801 HARNESS SCHEMATIC
21B1010
2
02
1 1Wednesday, May 17, 2000
1
Page 17
8
D D
7
6
5
4
3
2
1
C37
R135
390
R134
390
150pF
C42
2200pF
R162
1K
D43
SF14
D42
SF14
R133
3.9K
3.9K
R132
C41
1.5/250V
MR2406R
220/80V
220/80V
R159
2.2K/0.5W
D45
C48
C47
D44
MR2406R
R158
2.2K/0.5W
C44
22/160V
R141
390/5W
C50
2.2/100V
C49
2.2/100V
R140
390/5W
C46
0.047/250V
R93
51.1/1W/1%
Q16
2SA1006BQ
C C
J1
1
2
3
4
5
6
7
8
GOLD
METHODE
9
10
11
12
13
14
15
16
17
R100
10/1W
PTC15LB/250
51.1/1W/1%
1200pF
R91
R14
220
330pF
22
C31
VR2
C28
R90
510
TIP117
Q15
2SC2336BQ
R92
R94
4.7/1W
C29
0.1/100V
100/16V
R143
51/0.5W
C30
330pF
150/1W
150/1W
R102
C39
R103
D30
SF14
Q17
C38
330pF
R142
51/0.5W
D28
4.7/1W
R89
SF14
R139
10/1W
Q22
2SC2336BQ
R97 13K
C33
0.0047/100V
D29
SF14
R101
200/2W
C32
0.0047/100V
R96 13K
Q21
2SA1006BQ
R138
10/1W
R147
10/1W
R146
10/1W
1N4148
1N4148
R99
24K
R163
10/1W
Q24
2SC3281
2.2/1W
R104
51/2W
R125
R107
30/2W
Q28
2SC3281
R124
0.33/5W
R127
2.2/1W
D37
D36
R106
30/2W
R111
2.2/1W
Q23
2SA1302
R98
24K
R164
10/1W
R112
0.33/5W
Q27
2SA1302
R113
2.2/1W
Q42
R155
0.2/5W
Q30
2SC3281
R126
0.33/5W
R114
0.33/5W
Q29
2SA1302
R154
0.2/5W
R129
2.2/1W
R115
2.2/1W
2SC3281
2SC3281
Q40
R153
0.2/5W
Q32
2SC3281
R128
0.33/5W
R116
0.33/5W
Q31
2SA1302
R152
0.2/5W
R131
2.2/1W
R117
2.2/1W
2SC3281
Q38
R151
0.2/5W
Q34
2SC3281
R130
0.33/5W
R118
0.33/5W
Q33
2SA1302
R150
0.2/5W
D33
FR204
D35
FR204
D34
FR204
D32
FR204
R145
51/0.5W
2SC3281
Q36
R149
10/1W
R148
10/1W
D40
SF14
Z9
1N5927B
Z8
1N5927B
D41
SF14
R120
20K/1W
R119
20K/1W
2SA1006BQ
Q20
R137
100/0.5W
D39
1N4004
C35
47/16V
C34
47/16V
D38
1N4004
R136
100/0.5W
RED
RED/BLK
BLK
WHT
GRN/BLK
B B
1
2
3
J7
03-09-1032
IC5
32
1
LM35DP
R165
2.2K
C45
0.047/250V
2SA1302
Q41
2SA1302
Q39
NOTE: Q30, Q31, NOT USED ON MODELS 4801, CC151
2SA1302
Q37
2SA1302
Q35
2SC2336BQ
Q19
C36
150pF
R161
C43
1K
22/160V
C40
1.5/250V
GRN
R98, R99 ARE 39K ON MODEL CV601
A A
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
OUTPUT 4801/6001/7001/CC151/CC301/CV601
Size Document Number Rev
21CO951
C
8
7
6
5
4
3
Date: Sheet of
2
1 1Wednesday, May 17, 2000
1
Page 18
8
7
6
5
4
3
2
1
23
R17
1N4148
R2
221/1%
221/1%
D1
23
1N4004
R16
4.7K
TO DSP
GRND
680/10W
R14
D5
R15
680/10W
J2
1
2
3
4
5
6
7
8
9
10
11
12
26-48-1125
L1
3uH
R22
1/10W
10/10W
0.047/630V
L2
3uH
R23
1/10W
10/10W
0.047/630V
R20
C1
R21
C2
RL1
FRL-24
RL2
FRL-24
1N4004
1N4004
D6
D7
R19
33/2W
R18
33/2W
IN A
OUT A
IN B
OUT B
J1
1
2
3
4
26-48-1045
IC3
1
LM317T
R1
390/2W
D D
C12
10/50V
R6
2.2K
2.2K
R5
Z1
1N5363A
D4
1N4004
D3
Q1
IC2B
LM393N
7
5
+
6
-
R10
C C
39.2K/1%
R8
1K
R12
1K/1%
39.2K/1%
R9
1K/1%
R11
-
2
3
R7
1K
+
8 4
1
IC2A
LM393N
1N4148
D2
1N4148
R4
100K
MPSA13
2.2K
R3
1
IC1
LM317T
+104 CH A
B B
0.15/400V
C8
C3
17,000/55V
SW1 18 AMP
P1
PLUG AC MALE
BR1
MP14020W
C4
17,000/55V
+104 CH B
+52 CH A
+52 CH B
BR2
MP14020W
C5
-52 CH A
17,000/55V
C9
-52 CH B
0.15/400V
C6
17,000/55V
-104 CH A
-104 CH B
REV. 01 EFFECTIVE S/N# 9004Q20
120 VOLT VERSION
A A
32 VAC
CREST AUDIO INC.
32 VAC
T1
8
7
6
5
4
3
150 Florence Avenue
Hawthorne, NJ 07506
Title
4801 POWER SUPPLY/FAN DRIVER
Size Document Number Rev
21B1008
B
Date: Sheet of
2
1 1Wednesday, May 17, 2000
1
01
Loading...