Crest 4601 set, 21c1095 display User Manual
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CENTER TAP
D1
1N4004
D D
34 V. AC
F1
3A/MINI
34 V. AC
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
C C
SPKR. RAIL CH. A
MUTE CH. A
TEMP SENSOR +
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND
TRANSFORMER TEMP
TRANSFORMER TEMP
RS202
D3
1N4148
R42
33/2W/5%
C9
470/25V
C6
470/50V
LED 3
SIGNAL
R7
100K
BR1
R3
10K
R5
2.7K
Q1
2N5551
2N5551
D5
1N4148D71N4148
C1
1/50V
D9
1N4148
R11
5K/5W
TR1
R13
10K
MAC97A
C8
100/25V
470/6.3V
R9
2.7K
R40
SELECTED
Q3
LED 1
CLIP
C3
Z1
1N5927
D11
1N4148
26-48-1136
C5
0.1/100V
M12
12345678910111213
1N5927
R41
SELECTED
R12
5K/5W
TR2
MAC97A
C2
1/50V
2N5551
2.7K
R6
R4
D6
1N4148
10K
D4
1N4148
D2
1N4148
26-48-1155
M6
15
14
13
12
11
10
9
8
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6
5
4
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1
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
R14
10K
R8
100K
LED 4
SIGNAL
D8
1N4148
LED 2
CLIP
R10
2.7K
2N5551
Q4
C4
470/6.3V
Z2
C7
100/25V
D10
1N4148
R19
5.1K
1N4148
D17
1N4148
D15
-
2
+
3
4 13
R29
10K
4.7K
LED 5
TEMP/DC
R17
2.7K
1
IC1A
LM614
R38
R25
100K
D13
1N4148
B B
LED 7
ACTIVE
R15
2.7K
MPSA75
Q5
R27
390
7
R21
IC1B
LM614
R34
4.7K
R24
750/1%
D18
1N4148
R32
390K
1K
R23
750/1%
8
499/1%
13
IC1E
LM614
9
R35
R36
499/1%
R37
2.2K
D19
1N4148
-
6
+
5
R31
390K
R33
4.7K
R22
1K
LM614
IC1D
D14
16
1N4148
D16
1N4148
-
15
+
14
M9
53.6K 1/4W/1%
60.4K 1/4W/1%
73.2K 1/4W/1%
123456789
M7
3
2
1
26-48-1035
A A
VR1
5KB
10
26-48-1102
R40, R41 RESISTOR VALUES
MODEL VALUE
3301 41.2K 1/4W/1%
4601
4801
6001
7001 84.5K 1/4W/1%
R20
5.1K
12
+
11
-
R39 100K
R30
10K
IC1C
LM614
LED 6
TEMP/DC
R18
2.7K
LED 8
ACTIVE
R16
2.7K
D12
1N4148
10
R26
4.7K
Q6
R28
390
MPSA75
M8
3
26-48-1035
2
1
VR2
5KB
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
7-6-48-46-3301 DISPLAY W/NEXSYS CONTROL
Size Document Number Rev
21C1095
C
8
7
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Date: Sheet of
2
1 0Wednesday, May 17, 2000
1
02
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