Crest Audio F-8001 Schematic

Schematicset
ProSeries8001poweramplifiers
1.8001Display
2.8001Preamp
3.8001Relayboard
4.8001Powersupply
5.8001Outputmodule
8
7
6
5
4
3
2
1
23
LED 5
Q1
Q5 2N5401
R6
4.7K
3.3K/5W
R33
2.2K
C7
470uF/16V
C1
1uF/35V
R12
R25
10K
1N4757B
Z5
C9 100uF/6.3V
R29 22
R31
2.2K
1N4004
LED 3 SIGNAL
D5
TR1
MAC97A
470uF/16V
R4 100K
2N5551
D3 1N4148
C3
100K
IC1 A RC4559
R7
4.7K
2N5551
R8
4.7K
R9
4.7K
R5 100K
LED 4
SIGNAL
Q2
Q3
LED 1 CLIP
LED 2
CLIP
2N5551 Q4
1N4148
C2
D4
1uF/35V
D6
1N4004
LM385 1.2V
C4
470uF/16V
Z4
R16
4.7K
C8
470uF/16V
R17 82
R18
82
2.2K
3.3K/5W
TR2 MAC97A
R34
R13
LED 6
TEMP/DC
10K
D2 1N4148
D18
1N4148
R11
10K
D20 1N4148
R22
47
R3
M6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
26-48-1155
D8
1N4004
R23
84
3
+
1
-
D13
2
1N4148
D9
1N4148
1N4148
D10
D14
1N4148
5
+
6
-
RC4559
IC1 B
R24 100K
7
R26
10K
1N4757B
R28
4.7K
LED 8
ACTIVE
Z6
C10100uF/6.3V
R32
2.2K
R30 22
Q6
2N5401
D12
1N4148
IC1
1
R1
5.6K/1W
LM317
R2
R14 150/0.5W
2N5551
10K
D1 1N4148
D17
1N4148
D19
M5
1 2 3 4 5 6 7 8
9 10 11 12 13 14
26-48-1155
15
1N4148
R10 10K
R21
47
TEMP/DC
D7
1N4004
R27
4.7K
LED 7 ACTIVE
B B
D11
1N4148
D15
1N4148
M7
3
2
1
26-48-1035
A A
VR1 5K A
D16
1N4148
5K A
M8
VR2
1 2 3
26-48-1035
CREST AUDIO INC. 150 Florence Ave. Hawthorne, NJ 07506
Size Document Number Rev
21C0928
C
8
7
6
5
4
3
Date: Sheet of
2
1 1Tuesday, May 16, 2000
1
8
7
6
5
4
3
2
1
R8
10K
VCC+
R9 1K
MPSA75
Q3
R10
100K
R11
R7
10K
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
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
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
2N5551
R3
10K
D4
1N4148
10K/0.2%
SIP1D 10K/0.2%
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-
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 0Wednesday, May 17, 2000
1
A A
B B
C C
D D
8
1.5/250V
3.3K/5W
C3
7
1N4004
2.2/35V
R7
D6
C4
1N4004
D5
TO SURGE BOARD
8
7
TO SURGE BOARD
6
5
4
1N5938
Z1
1N4004
D4
1N4004
D3
0.047/630V
C2
10/10W
R2
1/10W
1N4004
D7
0.047/630V 1/10W
R3
3uH
R4
L2
10/10W
C1
R1
3uH
L1
6
5
4
Size Document Number Rev
Date: Sheet of
A
21A0895-00008001 RELAY PCB
3
2
1 1Tuesday, May 16, 2000
1
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
AC IN
CH.A
GROUND
CH.B
12345
+33 V.
J8-F
1N4004
D2
NOTE: J8 IS 4 PIN
HEADER ON EARLY
PRODUCTION
RL2
FLR264
CH.B OUT
TO CH.B
2
RL1
FLR264
3
1N4004
D1
2
CH.A OUT
J6B-F
1
TO CH.A
2
J6A-F
1
1
1
1
0 1Tuesday, May 16, 2000
2
+135 CH.A
3
4
5
6
+135 CH.B
0.15/400V
+67 CH.A
C3
35,000/75V
C1
+67 CH.B
C5
BR 1
50A/400V
35,000/75V
BR 2
-67 CH.B
-67 CH.A
C7
35,000/75VC935,000/75V
50A/400V
C2
0.15/400V
-135 CH.A
-135 CH.B
MUTE SUPPLY AC OUT
TO FAN
TO FAN
8001 POWER SUPPLY
CREST AUDIO
HAWTHORNE, NJ 07506
Title
21A0947
A
Size Document Number Rev
2
3
Date: Sheet of
4
5
6
T1
7
SW1
30 AMP
8
AC IN
AC IN
D D
C C
B B
A A
7
8
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