8 7 6 5 4 3 2 1
R1 R3
D1 1N4004
1K/2W 100
D D
LED3
D2 1N4004
CLIP
LED1
D3 1N4004
SIGNAL
Z3
D4 1N4004
1N4733
R5
27
RELAY B
0C1
R14 3.32K/1%
8
RELAY A VR1
5
7
SIG GND
5K
6
A RETURN
5
A SEND
4
B SEND
C CLM5010 C
3
B RETURN
2
SIG GND
1
TEMP/DC
R12
J2
R4
PREAMP CONN.
LED5
R11
2.7K
D5
1N4004
100
GRN
1K/0.5W
GROUND
LED7
1
GROUND
D6 1N4004
2
CLIP B+
R2
3
SIGNAL B
4
LED2
CLIP B-
D7 1N4004
5
1K/2W
SIGNAL
MUTE B
6 R7
+20 V. Q1 MPSA75
7
MUTE A
D8
100/1W 1N4004
8
CLIP A-
9
SIGNAL A
10
CLIP A+
B B
11
GROUND
0C2
R15
R6
12
VR2
GROUND
5
13 27
D9
5K
R9 Z4
3.32K/1%
J1 1N4004
1N4733
PWR SUPPLY CONN
2.2K
CLM5010
LED4 CLIP
TEMP/DC 11/22/95 CHANGED R12, R13
R13
AS PER ECO 811R
12/8/92 OC1, OC2 D10
LED6
2.7K
BECAME VTL5C6 1N4004
R8
Q2 MPSA75
CREST AUDIO INC.
100/1W
A A
150 FLORENCE AVE.
R10
HAWTHORNE, NJ 07506
Title
2.2K
FA601/901/1201 DISPLAY
Size Document Number Rev
A 21A1003
Date: Thursday, January 24, 2002 Sheet 0 of 0
8 7 6 5 4 3 2 1
4
2
6
1
4
2
6
1
8 7 6 5 4 3 2 1
R7
1N5930
Z1
4.7K/2W
R10 470
R24
D1
C24
NOTE 2
C22
1N4148
C1 0.1/100V
150pF
330pF
R23 C5 30pF
1
R17 100
D D
10
1 2
15
2 10K/1% + 3
3 4
14 C20
4 - 5
D5
D3 11
IC2B 330pF
5 6
1N4148 1N4148 2
STK3152
R2
6 - 7
1
R22 90.9K/1%
7 8
3
8 +
IC1A
C8 J8
NE5532
10K/1%
J3 0.1/100V
CH A MODULE
R18 100
C10 15pF
D7
CH A OCTAL
1N4148
CH A OUT
R8
R3
R21 C3
NOTE 1
3 NOTE 2:
30pF
4.7K/2W
J1
R14
CH A XLR
CH A MODULE
Z2
100K/1W/2%
C2
1N5930
R19
RLY1
0.1/100V
T90N5D12-12
R12
4.7/1W
3.32K/1%
1
J9
C17
2
0.1/100V
3 1
C15
C 4 2 C
100/100V
5
RELAY
6 R6
CH B OUT
100K
0.1/100V
Z3
BAR1
C14 C18
1N5359
INPUT BARRIER
C16
C12
10/16V/BP
R20
100/100V
1/63V
CH B MODULE
4.7/1W
1
2
RLY2
3
T90N5D12-12
4
R9 470 SUPPLY GND
5
6
C19
SUPPLY GND
D2
D8
J6 330pF
1N4148 C23
1N4148
SIG SEND/RET
150pF
R15 1
C21
C6 30pF
2
330pF
100 3
6
R25
R26 4
1
1 + 5
2 6
10K/1% NOTE 2
2
3 -
B B
IC2A 5
BAR2
4
D4 D6
6
STK3152
5 - OUTPUT BARRIER
1N4148 7
1N4148
R27
6
5
7 MSSA2350 + 1
SW1 IC1B
8 NE5532 2
10K/1%
R13 100K/1W/2%
3
J4
4
CH B OCTAL 5
C9
R28
R4 6
C4
NOTE 2 15pF
NOTE 1
7
R16 100
30pF R1
8
3
90.9K/1%
R11
J7
3.32K/1%
C7
CH B MODULE
J2
0.1/100V
CH B XLR R29 R30
NOTE 3
NOTE 3
NOTE 1: FA601 = 13.3K/1%
FA901 = 12.7K/1%
FA1201 = 12.4K/1%
FA2401 = 12.4K/1%
NOTE 2:
FA601 = 30.1K/1%
R5
FA901 = 36.5K/1%
C13 C11
100K
FA1201 = 40.2K/1%
10/16V/BP
1/63V
A A
FA2401 = 44.2K/1%
CREST AUDIO INC.
NOTE 3: FA601 = 680/10W
FA901 = 820/10W
150 Florence Avenue
FA1201 = 1K/10W
Hawthorne, NJ 07506
Title
PREAMP/DRIVER FOR FA SERIES
Size Document Number Rev
B 21B0982
Date: Thursday, January 24, 2002 Sheet 1 of 1
8 7 6 5 4 3 2 1
13
12
8
4
2
1
3
4
9
8
7
2
1
8 7 6 5 4 3 2 1
D D
D1 1N4004
R65 R61
Z1
18K NOT USED
1N5925A
R66
R63
Z2
24K 470
1N5941A
C9 C11
+ 85 V.
0.001/50V 0.01/50V
Q22
2N5401
R45
Q28
2N5551 R49
Q2 15K
D7
15K
2SC2336BQ
1N4148
R47
R6 Q4 100K
D5 C7
C1 10/1W 2SC3281 Q18
Q6 Q8 Q10 Q12 Q14 Q16
0.1/100V
FR204
2SC3281
100uF/6.3V 2SC3281 2SC3281 2SC3281 2SC3281 2SC3281 2SC3281 Q24
R11
2N5401
R39 100K
2.2/1W R13 R15 R17 R19 R21 R23
Q26
C2
2.2/1W 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2N5401
C C
0.1uF/100V
R41
Q20
GROUND
2N5551
100/1% R55 220
R53 L1
R1 R4 R9 R25 R27 R29 R31 R33 R35 R37 R43 270K
D3
30/2W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 100/1%
8 680 150/1W 2uH
D9 1N4004
7
1N4148
6 R59
Q1 2 6
OUT
5
2SC3068 9
4 1/5W
3
R2
R3 R5 R8 R10 R26 D4 R60
2 R28 R30 R32 R34 R36 R38 R44
634
1 100/1W 150/1W 51/2W 30/2W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 100/1% 1N4004 2/5W
IC1
J1 R42 R54 220
LA2500
Q21
INPUT
2N5401
D10
100/1%
C5
Q27
1N4148
R14 R16 R18 R20 R22 R24
2N5551 0.047/630V
R12 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2.2/1W
R40 100K
VR1 Q25
2.2/1W
Q7 Q9 Q11 Q13 Q15 Q17 2N5551
PTC15LB/100
Q19
2SA1302 2SA1302 2SA1302 2SA1302 2SA1302 2SA1302
R7 Q5 2SA1302
D6
2SA1302
10/1W R48
FR204
100K
Q3
R50
D8 2SA1006BQ
R46 15K
C6
1N4148
Q29
0.1/100V
Q23
2N5401 15K
2N5551
C8
- 85 V.
0.001/50
C10
0.01/50V
R67
R64
Z3
24K 470
1N5941A
R68 R62
B B
Z4
18K NOT USED
1N5925A
D2 1N4004
ECO # 741A CHANGE R2 TO 634
J2 IC2
R56
1
LM35DP
1K
1
2
3
4
5
6
7
CLIP/TEMP
A A
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
FA1201/FA2401 OUTPUT STAGE
Size Document Number Rev
C 21C0983
1
Date: Thursday, January 24, 2002 Sheet 1 of 1
8 7 6 5 4 3 2 1
7
3
8
4
5
1
2
3
8 7 6 5 4 3 2 1
R25
TEMP SENSOR POWER
1
TEMP SENSOR OUTPUT
100/2W 2
GROUND
3
IC2 CLIP A-
4
LM317 CLIP A+
D 5 D
Z3 SPKR LEVEL A
C17 2 3
6
GROUND
1N5355A
10/50V
7
J2
CH A
D8
R26
442/1%
GROUND
1N4148
Q3 1
D5
GROUND
MPSA13
2
1N4148 CLIP B+
3
SPKR LEVEL B
4
CLIP B-
5
IC1B IC1A MUTE B
6
LM614 LM614 +20 V
R28 R29
D6 7
MUTE A
5 3
R27
+ + 8
CLIP A-
7 1
1K 1K 9
SPKR LEVEL A
6 2
- - 100K 10
CLIP A+
1N4148
11
D7
GROUND
12
1N4001 R34 GROUND
13
2.2K
R32 R30 R31 R33
19.6K/1% 1K/1% 1K/1% 19.6K/1% J1
Ch. B Ch. A
DISPLAY
Ch. A TEMP SENSOR POWER
1
TEMP SENSOR OUTPUT
R21
Z1 2
GROUND
3
CLIP B-
1N960 4
2.2K
CLIP B+
5
SPKR LEVEL B
6
Ch. B GROUND
7
R22
Z2
J3
1N960 2.2K CH B
C DRIVE V+ C
1
GROUND
2
J5
FAN
R4
R2
R1 2.2K
V+
10K 10K 1
Ch. B Ch. A GROUND
2
SIGNAL B
3
SIGNAL A
4
D9 1N4148
D10 1N4148
R11 R5 R6 R12 J6
499/1% 499/1%
1K 1K VU DSP
15 11
MPSA13
16 10 Q2
14 12
IC1D MPSA13
IC1C
R15 10K R16 10K
Q1 LM614 IC1E
LM614
LM614
R13 R14
R23 5K/5W TR1 R24 5K/5W
MAC97
330K 330K MAC97
TR2
Z4
Z5 C18 R17 C14 R9 R7 R8 R10 C15 R18
C19
1N5920
22K 470/25V 10K NOTE 2 NOTE 2 10K 470/25V 22K
1N5920 470/25V 470/25V
B B
0.15/400V
C1
+
+
BR1
SW1 C2 C3 C6
BR354W GND
NOTE 1 NOTE 1 NOTE 1
FA601 = 6 A.
GND
FA901 = 12 A.
FA1201 = 15 A.
GND
P1 C4 C5 C7
GND
PLUG AC MALE
NOTE 1 NOTE 1 NOTE 1
-
-
F1
T1
C11
120 VOLT VERSION
1000/25V
3A/MINI
BR3
RS202
A A
NOTE 1 C2 - C7 ARE 6,800uF/90V ON MODEL FA1201
C2 - C5 ARE 7,300uF/80V ON MODEL FA901. C6, C7 ARE NOT USED
C2 & C4 ARE 10,000uF/67V ON MODEL FA601. C3, C5, C6, C7 ARE NOT USED
NOTE 2 R7 & R8 ARE 1K/1% ON MODELS FA901 & FA1201, AND 750/1% ON MODEL FA601
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
FA SERIES POWER SUPPLY/FAN DRIVER
Size Document Number Rev
C 21C0998
2
Date: Thursday, January 24, 2002 Sheet 1 of 1
8 7 6 5 4 3 2 1
1
13
4
9
13
8
-
-
+
+
8 7 6 5 4 3 2 1
D D
R10 470
R24 C24
C22
150pF
330pF
C1 0.1/100V
NOTE 2
1 1
R17 100
10
2 2
D1 15
C5 30pF
3 + 3
1N4148
R6
4 4
+18V
5 14 C20
R23
5 + - 5
7 IC4B 11 330pF
6 6
220K
C30 6 STK3152
7 10K/1% - IC1B R2
7
NE5532 90.9K/1%
8 8
C29 C12
D5
D3 CP
J3 C8 J8
1N4148 1N4148 2
CH A OCTAL 0.1/100V
CH A MODULE
- R18 100
220pF C10 15pF
1
R22 1/63V CH A OUT
3
R44
+ IC1A
1.5K
10K/1% OPA2604AU
3
D7
R3
J1 1N4148 C14
R12 CH A MODULE
NOTE 1 R14
CH A XLR C31
R21 R34
NOTE 2: C3
6.65K/1% 100K/1W/2%
RLY1
30pF 10/16V/BP
1.5K
BAR1 T90N5D12-24
CP
R45
R19
+18V
1
J9
2 3.3K 4.7/1W
C2 -18V
R35
3 1
C17
0.1/100V
4 2
0.1/100V
5 750 C15
RELAY
6
100/100V
R39 CH B OUT
INPUT BARRIER
R42
J6
R36 47K
10K 0.1/100V
C ANALOG GND C
1
RETURN CH B C18
2 750 IC3 C16
SEND CH B
R38 NE5517AN
3 100/100V R20 CH B MODULE
ANALOG GND
3.3K
4
RETURN CH A
R37
5 R40
4.7/1W RLY2
SEND CH A
6
ATTENUATE CH B T90N5D12-24
R9 470
7 1.5K 10K
ATTENUATE CH A -18V
R43 SUPPLY GND
8
+12 V
9 47K
DATA CH A +18V C28
SUPPLY GND
10
DATA CH B C23
11
+16 V
150pF
12
220pF C19
13 R15 1
+18V
C21
R5
2
5
26-48-1136 R41 330pF
C6 30pF + 100 3
-18V
7 6 330pF
4
220K
6 1
1 - IC2B 1.5K + 5
D2
2 NE5532 6
1N4148 2
3 R25 NOTE 2 -
IC4A 5
BAR2
4
STK3152
R26
5 OUTPUT BARRIER
+18V
6
7 SW1 MSSA2350 10K/1% 1
8 2
D4
R13 100K/1W/2%
3
D6
J4 1N4148 2 R1
- 4
1N4148 1
CH B OCTAL R27 90.9K/1%
5
C9
3
+ IC2A 6
OPA2604AU 15pF
10K/1% R16 100 7
R46 R32
R47 R33 8
C7
3 100K R11
4.7K 100K
4.7K
0.1/100V
D8 C4
6.65K/1% J7
J2 1N4148
30pF CH B MODULE
R28 C25 C26
CH B XLR
R4
NOTE 2 4.7/35V 4.7/35V
NOTE 1
-18V
R29 R30
NOTE 3 NOTE 3
B B
C13 C11
1/63V 10/16V/BP
-16V
10/13/92 CHANGED J6 TO 13 PIN
NOTE 1: FA601 = 13.3K/1%
FA901 = 12.7K/1%
FA1201 = 12.4K/1%
FA2401 = 12.4K/1%
NOTE 2:
FA601 = 30.1K/1%
FA901 = 36.5K/1%
FA1201 = 40.2K/1%
FA2401 = 44.2K/1%
NOTE 3: FA601 = 680/10W
FA901 = 820/10W
FA1201 = 1K/10W
FA2401 = 1K/10W
NOTE 4: FA601 = 1.3K/7W
FA901 = 1K/7W
FA1201 = 1.2K/7W
FA2401 = 1.2K/7W
A A
CREST AUDIO INC.
100 Eisenhower Drive
Paramus, NJ 07652
Title
OTA PREAMP/DRIVER FOR FA SERIES
Size Document Number Rev
C 21C1348
01
Date: Thursday, January 24, 2002 Sheet 1 of 1
8 7 6 5 4 3 2 1
13
12
4
8
1
2
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
3
8
4
7
9
4
8
1
2
8 7 6 5 4 3 2 1
D5
R17
2.2K
1N4004
TEMP SENSOR POWER
R9 R10 R63
1
TEMP SENSOR OUTPUT
4.7K 4.7K
2
TEMP SENSOR GND
D4
100
3
CH B TEMP CH A TEMP CLIP A
1N4004
4
IGM A
IC3 IC4 12 14
R31
+ C12 + 5
SPKR LEVEL A
LM317T LM317T 10 16
10K
10/16V 6
IN OUT IN OUT ANALOG GND
3 2 3 2 11 15
IC1C - - IC1D R32 7
LM614M LM614M 10K
J2
R11 R12 C13 CH A
D1
10/16V
R41 R8 4.7K 4.7K
1N4148 Z1 Z2
D Q1 442/1% 221/1% D
R1 R2 MPSA13
D2
5 3
+ +
MLL5230B
7 1 MLL5230B
R42
1K 1K
4.7V 4.7V
6 2
IC1B IC1A 2.71K/1% R16 R14
- -
LM614M LM614M 1N4148
2.2K 2.2K
CH B CH A
R13 R15
C10 C11 D15
R7 2.2K 2.2K R18
R3 R5 R6 R4
19.6K/1% 1K/1% 1K/1% 19.6K/1% 2.2K
100K
10/16V 10/16V 1N4148
R40
2.21K/1%
D3 D6 D7 D14
R19
C9 1N4148 1N4148 1N4148
2.2K
1N4148
0.1/16V
TEMP SENSOR POWER
1
TEMP SENSOR OUTPUT
2
TEMP SENSOR GND
3
CLIP B
4
IGM B
R20
5
SPKR LEVEL B
2.2K
6
ANALOG GND
7
J3
CH B
AUX GND
1
FAN V+
2
FAN GND
3
FAN V+
R21 R22 4
J5
39/2W 39/2W
R37 FAN
Z5
Z6
MPSA13
2.2K
MLL5230B MLL5230B
Q5
R25 R29 R26
C 4.7V 4.7V C
10K 1K R30 10K MPSA13
Q4 1K
R43 R44
MPSA75
R36
R35 Q3
10K 10K
499/1%
499/1% MPSA75
Q2 D10 6 2 D11
-
7 1
5 3
IC2B +
1N4004 1N4004
IC1E IC2A
LM393M
LM614M LM393M
R23 TR1 R27 R28 R24
MAC97
MAC97
5K/5W 330K 330K 5K/5W
TR2
CH B CH A
C14
Z3 D16 D17 Z4
D13
R38 470/25V R33 R34 R39
1N4004
C16 NOTE 2 NOTE 2
C17
D12
470/25V
4.7K 470/25V C15 4.7K
MLL5230B 1N4148 1N4004 1N4148 MLL5230B
470/25V
4.7V 4.7V
0.15/400V
R61
C1
+ CH A
1K/0.5W
+ CH B
R52
MAIN A BR1
SW1 C2 C3 C6 2.2K/0.5W
BR354W GND
NOTE 1 NOTE 1 NOTE 1
FA601 = 6 A. Z7 J4
GND R54
FA901 = 12 A. MAIN GND RELAY CH B
1
FA1201 = 15 A.
GND Z11
2
1.5K/0.5W
1N59XX RELAY CH A
1N5920
3
MAIN B RELAY GND
P1 GND
B C4 C5 C7 B
26-48-1036
PLUG AC MALE
NOTE 1 NOTE 1 NOTE 1
R50
AUX A D28
R56
- CH A D24 1N4004
1K/2W
Z9
1K R58
1N4148 J6
- CH B 1N59XX
10K
AUX B
R60 D25 1N4004
1
20
2
F1 CH B D29
3
AUX C
T1
C8 D26 1N4004
4
120 VOLT VERSION
5
1000/25V 1N4148
3A/MINI
6
AUX D
MPSA75 D27 1N4004
7
D18 1N4004
BR3 R49 8
F3
RS202 9
D30
Q7 D20 1N4004
1K/2W 10
3 2
IC5 11
3A/MINI
12
LM317T
1N4148
D21 1N4004
13
F2
C19
14
AUX F
R45 R47
C20 R62
1000/25V
HEADER 14
10/1W D22 1N4004
10/25V
3A/MINI
R51
1.87K 121
BR4
D23 1N4004
RS202 2.2K/0.5W
AUX GND
GND
R46 R48
J1
ATT. CH A
Z12
C21 1
1.87K 121
Z8 ATT. CH B
C18 1N5920 R53
10/25V 2
ANALOG GND
3
1000/25V +24 V
1.5K/0.5W 4
-24 V
1N59XX
5
IC6
2 3 D31 GROUND
R55 6
LM337T DATA CH A
7
DATA CH B
1K R57 Z10
8
NOTE 1 C2 - C7 ARE 6,800uF/90V ON MODEL FA1201 1N4148 +15 V
10K 1N59XX 9
ANALOG GND
D19 1N4004 R59 10
A C2 - C5 ARE 7,300uF/80V ON MODEL FA901. C6, C7 ARE NOT USED CLIP CH B A
20
11
CH A D32 CLIP CH A
12
GROUND
13
DIG. GND
14
1N4148 DIG. GND
15
C2 & C4 ARE 10,000uF/67V ON MODEL FA601. C3, C5, C6, C7 ARE NOT USED
MPSA75
16
HEADER 16
NOTE 2 R33 & R34 ARE 1K/1% ON MODELS FA901 & FA1201, AND 750/1% ON MODEL FA601 D33 TO PREAMP
Q6
1N4148 CREST AUDIO
100 EISENHOWER DRIVE
PARAMUS, NJ 07652
Size Document Number Rev
C
Date: Thursday, January 24, 2002 Sheet 0 of 0
8 7 6 5 4 3 2 1
ADJ
ADJ
1
1
13
4
9
4
8
13
8
1
1
-
+