Crest Audio 10001 Schematic
Schematicset
10001ProfessionalSeriespoweramplifiers
1.Frontdisplayboard
2.Octalboard
3.Preamp
4.Fandriver
5.Powersupply
6.Outputmodule
8
7
6
5
4
3
2
1
FAN DRIVER
D D
R12
2.2K
Z1
1N5930
D1
1N4148
5
+
6
-
IC1B
LM614
7
R3
4.7K
R2
23.7K/1%
C C
R1
1K/1%
R11
4.7K
1/50V
100K
C1
1/50V
C2
R4
100K
1N4148
D3
R8
36K
51K
R9
62K
R6
R5
1
IC2A
7
IC2B
SIGNAL
LED1
CLIP
R10
LED2
R7
14
15
+
-
R13
4.7K
Z2
1N5917
4.7V
2.2K
IC1D
LM614
R15
16
R14
2.2K
D2
1N4148
1/25V
CLIP
R37
0
D6
1N4148
R36
100
C3
D7
1N4148
R35
1K
D8
1N4148
+27 V
SIGNAL
CLIP
ENABLE
IGM
MUTE
R16 2.2K
DATA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
J1
26-48-1216
FAN DRIVER
SPKR RELAY
HIGH RAIL RELAYRELAYS
+27 V
+27 V
AUX GND
AUX GND
SIGNAL IN
CLIP
ENABLE RELAY
IGM
MUTE
+27 V+27 V
TEMP SENSOR POWER
TEMP SENSOR OUTPUT
TEMP SENSOR GND
TRANS TEMP
TRANS TEMP
DATA
AUX GND
AUX GND
2.2K/0.5W
84
3
+
2
-
LM393
2.2K/0.5W
5
+
6
-
LM393
R17
2 2K
VR SEND
C4
0.1/100V
B B
413
R21
330K
1
1N4148
C?
CP
D4
R22
2.2K
MAC97B4
TR1
7
3
+
2
-
R19
R18
1K
IC1A
LM614
499/1%
9
LM614
IC1E
8
13
A A
8
R20
750/1%
R23
10K
12
11
R24
7 5K
100K
+
-
R25
IC1C
LM614
100/25V
R28
2.2/1W
R27
R26
2.2K
330
Q1
TIP127
R32
4.7K
10
R29
10K
R30
1.2K
C5
C6
470/25V
6
5
1.2K
C7
470/25V
R31
D5
1N4148
1.5K/0.5W
LED4
ACTIVE
LED3
PROTECT
1.5K/0.5W
R33
R34
VR RETURN
SIGNAL GND
VR1
5KB
4
3
J2
VR SEND
1
VR RETURN
2
SIGNAL GND
3
26-48-1036
OUTPUT ON DATA LINE:
TEMP - .25MV-1V
IG +5V PULSE
CLIP -5V PULSE
PROTECT +10V
CREST AUDIO
100 EISENHOWER DRIVE
PARAMUS, NJ 07652
Title
10001 DISPLAY PCB
Size Document Number Rev
21B1528
B
Date: Sheet of
2
1 1Tuesday, September 12, 2000
1
5
4
3
2
-24V IN
GND
J9
26- 8-1136
13
+24V IN
VR GND
J8
26- 8-1136
CH B PREAMP
12356789101112
13
VR SEND
VR RE
10K/0.2%
10K/0.2%
R2
20K 1%
CH A PREAMP
12356789101112
TO PREAMP
+18V OUT
VR SEND
VR RET TO PREAMP
1N5920
VR GND
Z3
1N5920
Z
1N5920
SIP2A
D2
1N 1 8
SIP2C
SIP2D
10K/0.2%
BALANCED INPUT/GAIN CH B
13
18V OUT
Z1
+24V IN
13
24V IN
Z2
1N5920
INPUT FROM VR
OUTPUT TO VR
SIP1A
10K/0.2%
SIP1C
10K/0.2%
R1
20K/1%
TO PREAMP
GND
D1
1N 1 8
S P1D
10K/0.2%
1N 1 8
1N 1 8
30pF
R3
2
3
+ IC1A
C9 30pF
R5
20K/1%
8
1
OPA260
10K 1%
C7 30pF
D3
SIP1B
10K/0.2%
D5
6
7
+
5
IC1B
OPA260
D7
C5
1N 1 8
0.1/50V
C3
C1
0.1 50V
BALANCED INPUT/GAIN CH A
TO PREAMP
R
INPUT FROM VR
OUTPUT TO VR
D
1N 1 8
D6
1N 1 8
C6
30pF
C8 30pF
S P2B
10K/0.2%
6
+
5
D8
1N 1 8
C2
0.1/50V
C2B
OPA260
7
0.1/50V
10K/1%
C
C10 30pF
8
2
3
+ IC2A
20K/1%
R6
1
OPA260
J7
26- 8-1136
PWR/DSP CH A
12356789101112
RETURN
1
D D
C C
GND CH A
2
DATA CH A
3
+24V
+27V
5
+RETURN
6
+ SEND
7
SEND
8
J5
PL08
21
3
J1
NC3FD
2
3
J3
NC3MD
1
1N 00
1N 00
1N 00
1N 00
D9
D10
D11
D12
D13
1N 00
D1
RETURN
1
GND CH B
2
DATA CH B
3
24V
+27V
5
+ RETURN
6
+ SEND
7
SEND
8
J6
PL08
1N 00
21
3
J2
NC3FD
2
3
B B
J
NC3MD
1
SW1
MODE SWITCH
MSSA2350
GND
DATA CH A
+27 V
24 V
+24 V
+ SIG IN
SIG IN
GND
+24 V
+27 V
DATA CH B
J10
26- 8-1136
PWR/DSP CH B
12356789101112
24 V
+ SIG IN
SIG IN
A A
Tit e
10001 input/octal board
Size Document Number Rev
C
26B1540
5
4
3
2
Date: Sheet of
1 1Tuesday, June 27, 2000
0
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