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8 7 6 5 4 3 2 1
3 2
D PRIOR TO 6-3-92 R14/R15 WERE 680/10W ON MODEL 6001 R17 D
IC3 221/1%
1
LM317T D5
R1 1N4004
390/2W
D1 R16
C3 1N4148 4.7K
10/50V D4
R6 R5 C1
2.2K Z1
2.2K
1N5363A 1N4004 R15
0.1/100V NOTE 1
C 3 2 C
NOTE C1 IS NOT CORRECT ON PCB. MUST FIX NEXT REV
Q1
MPSA13 IC1 15
1
IC2B
DELETE THIS NOTE WHEN BOARD IS REVED!! 14
8
LM317T
LM393N R8 R11 D2 13
5 2 R4 R2 12
+ -
7 1K 1K/1% 1 11
6 3 IC2A 10
- + 100K 221/1%
LM393N 1N4148 9
D3 R3 8
4
1N4148 2.2K 7
R10 R12 R9 6
39.2K/1% 1K/1% 5
R7 4
39.2K/1%
1K 3
2
B 1 B
M1
26-48-1155
R14
NOTE 1
NOTE 1: 680/10W ON 7001
CREST AUDIO INC.
620/10W ON 6001
A 1K/10W ON 3301 150 Florence Ave. A
Hawthorne, NJ 07506
1.1K/10W ON 4601 Title
7001/6001/4601/3301 FAN DRIVER
Size Document Number Rev
A 21A0952
Date: Wednesday, May 17, 2000 Sheet 1 of 1
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
D3 VCC+ R15
1N4148
R6 4.7K
R1 Q1
Q3 22K 2N5551 VCC+
2N5401 D4 D21
15K
R2
R3 Q4 1N4148 1N4148 Z1 1N5353
D 2N5551 D
C2
330K 10K 100uF 35V
R4 C17 470uF
4.7K R65
R20
C14 470uF NOTE 3
VCC-
10K
C22
TURN ON DELAY/MUTE
0.47uF 250V R70 R69
C19 511 1% NOTE 1
R17 0.1uF
2 1 OC1 Q13
13 2N5551
12 100K 1%
11
4 6
10 VCC+ Z4 1N5938
9 C5 C4 Q6
8 Q5 2N5551
5
7 30pF 2N5551
6 CLM5010
0.1uF D9 R83
5 1N4148
4 R9 B R16 200K 1%
R9 A
3 47
2 10K 0.2% Q7
1 D5 D6 2N5551 2N5551
Q8
10K 0.2% 6 - R55
J2-M 1N4148 1N4148 7 D24
R9 C VCC- SELECTED VCC-
5 +
4
IC1 B
R54 R72 R73
LF353N 2 - - 6 SF14
D8 68.1 1% 68.1 1%
10K 0.2% 1 7
1N4148 100K 0.1%
3 + + 5 R87
IC1 A IC4 B R71
100 R74 NOTE 2
R9 D C3 LF353N LM393N
R10 100
8
20K 1% 10K 0.2% 30pF C27
VCC+ R57 R75
R58 R56 R89
C VCC- C
C6 1K 0.1% 1K 0.1% 100K 0.1% 8.25K 1%
0.1uF 2.7K 17
30pF 16
15
14
D22 R85 13
BALANCED INPUT/GAIN
12
1N4148 11K 1% 1W 11
10
9
R86 8
D23 7
549 1% 6
1N4148 5
C8 2.2uF 5% R26 4.7K
C9 4
R61 R60 R59 R76 3
2.2uF 5% R77
1K 0.1% 1K 0.1% 100K 0.1% 8.25K 1% 2
VCC- 100
R88 1
4
R25 VCC- R80
4
R27 R28 NOTE 2
2 -
100 J1-F
1 - 2
150K
3 + 1
D10 D11 IC2 A 10K 549 1% + 3 D25
1N4148 1N4148 R78 R79
RC4559N R45 IC4 A
15 2.2K R63 100K 0.1% 68.1 1% 68.1 1%
8
LM393N
14 VCC+
8
R62 SF14
13 C11 VCC+
12 SELECTED Q9
11 2N5401 2N5401
Q10
10 R84
9 0.001uF
8 SERVO/HIGH PASS CURRENT LIMITER 47
7
6
5 2N5401 Q12
4 2N5401
3 Q11
2 VCC+
1 R52
R24 1K
J3-M Z6 1N5938 Q14
B 2N5401 B
1K R47 C23
1M
C12 0.1uF R82 R81
D28
- 6 511 1% NOTE 1
VCC+ 7
1/50V 1N4148 C26
R7 + 5 D27 D26 R46
R35 IC3 B 1N4148 1N4148
R18 220K 100K 0.47uF 250V
VCC+ RC4559N
680K 4.7K R66
R34 10K
R19
R21 C15 470uF
8
D12 1N4148 1K VCC+ NOTE 3
10K R23 Q15
3 D7 2N5551
+ 1N4148
5 1
R33 100K + 10K
7 2 C18 470uF
- IC3 A
6 R50
- IC2 B RC4559N R90 2.2K
VCC-
4
RC4559N
D13 1N4148 R22 4.7K
180K Z2 1N5353
VCC-
CLIP DETECTOR AMPLIFIER FRONT END/IC POWER SUPPLY
R31 10K
C13 R32
1/50V 680K
NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601/600
VCC-
SIGNAL DETECTOR LIMIT DETECTOR 6.8K 2W ON MODELS 6001, 4801
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
20K 2W ON MODELS 6001, 4801, CC301/300
A A
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
C 2123001
Date: Wednesday, May 17, 2000 Sheet 1 of 0
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
R8 VCC+
VCC+ 10K
R34 R35
R6 R9 499/1% 750/1%
D1
10K
1N4148 1K Z1 1N5353
R1 Q1 VCC+
2N5401
15K Q2
R3 2N5551 R36 C14 470uF
R2 C2 R31
330K 10K 2N5401 47/35V R65
2.7K
C1 Q3 4.7K
(NEW) 1 16 (NEW)
100/35V R10 D3