Crest 6001 schematic
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
D5
1N4148D71N4148
ACTIVE
R15
2.7K
MPSA75
Q5
LED 5
TEMP/DC
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
D17
1N4148
D15
-
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
C2
1/50V
2N5551
LED 4
SIGNAL
D8
1N4148
C4
5K/5W
TR2
MAC97A
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
R12
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
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3
Date: Sheet of
2
1 0Wednesday, May 17, 2000
1
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