Crest 4801 set-OLD5850 User Manual
8
7
6
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1
CENTER TAP
D100
1N4004
D D
34 V. AC
34 V. AC
3A/MINI
F1
BR1
RS202
C6
470/50V
R3
33K
D3
1N4148
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 +
C C
TEMP SENSOR OUT
TEMP SENSOR GND
GROUND
GROUND
GROUND
TRANSFORMER TEMP
TRANSFORMER TEMP
D5
1N4148D71N4148
10K
R13
R100
56/5W/5%
Q1
2N5551
LED 3
SIGNAL
R5
1.2K
R11
5K/5W
MAC97A
Z100
1N5346
R7
100K
C9
470/16V
R9
2.7K
R40
SELECTED
Q3
LED 1
CLIP
C1
1/50V
2N5551
D9
1N4148
C3
TR1
C8
100/25V
470/6.3V
Z1
1N5927
D11
1N4148
26-48-1136
C5
0.1/100V
M12
12345678910111213
1N5927
R41
SELECTED
R6
1.2K
470/6.3V
D10
R8
100K
D8
1N4148
C4
LED 4
SIGNAL
D6
1N4148
R4
33K
D4
1N4148
D2
1N4148
26-48-1155
M6
15
14
13
12
11
10
9
8
7
6
5
4
3
2
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
2N5551
Q2
C2
1/50V
R12
5K/5W
TR2
MAC97A
C7
R14
10K
100/25V
R10
2.7K
LED 2
CLIP
2N5551
Q4
Z2
1N4148
D13
1N4148
LED 7
ACTIVE
R15
2.7K
LED 5
TEMP/DC
R17
2.7K
1
IC1A
LM614
R38
R25
100K
B B
4.7K
MPSA75
Q5
M7
1
2
3
26-48-1035
A A
VR1
5KB
R27
390
R19
7.5K
1N4148
D17
1N4148
D15
M9
-
2
+
3
4 13
R29
10K
26-48-1036
R21
1K
7
IC1B
LM614
3
2
1
R23
750/1%
8
499/1%
13
IC1E
LM614
9
R35
R36
499/1%
R37
2.2K
M10
1
2
D19
1N4148
-
6
+
5
R31
390K
R33
4.7K
26-48-1026
R34
4.7K
R24
750/1%
D18
1N4148
R32
390K
R22
1K
LM614
IC1D
D14
16
1N4148
D16
1N4148
1
M11
2
26-48-1036
3
-
15
+
14
R20
7.5K
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
26-48-1035
1
2
3
VR2
5KB
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
7001/6001/4801 DISPLAY W/COMPUTER CONTROL
Size Document Number Rev
11C1095
C
8
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Date: Sheet of
2
1 0Friday, May 19, 2000
1
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