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FAN DRIVER
D R12 D
2.2K
Z1
1N5930 R4 R5
100K 36K R7
2.2K/0.5W
14 R35
8
+ R36
16 1K
3 15 100
+ - IC1D
R3 1 LM614
R11 D2
D1 4.7K 2 IC2A
- 1N4148
1N4148 LM393 D8
4.7K R13
1N4148
FAN DRIVER
4
5 C1 R6
+ 4.7K 1 SPKR RELAY
7 51K LED1 C3 RELAYS 2 HIGH RAIL RELAY
6 CLIP
- IC1B 1/50V 1/25V 3 +27 V
LM614 +27 V 4 +27 V
Z2
5 AUX GND
6 AUX GND
R2 1N5917 SIGNAL 7 SIGNAL IN
4.7V CLIP CLIP 8 CLIP
23.7K/1% R14 ENABLE 9 ENABLE RELAY
R9 R10 2.2K
IGM 10 IGM
C2 62K 2.2K/0.5W
C
D7 MUTE 11 MUTE C
R1 1/50V R37 +27 V 12 +27 V
13 TEMP SENSOR POWER
1K/1% 0 14 TEMP SENSOR OUTPUT
5 1N4148
+ 15 TEMP SENSOR GND
7 D6
R8 R15 R16 2.2K 16 TRANS TEMP
6 IC2B
- 17 TRANS TEMP
100K LM393 2.2K 18
1N4148 DATA
DATA 19 AUX GND
1N4148 20 AUX GND
LED2 21
D3 SIGNAL
J1
26-48-1216
R17
2.2K
VR SEND
C4 D5 J2
0.1/100V R23 R28 VR SEND
10K 2.2/1W 1N4148 1
VR RETURN VR RETURN
2 SIGNAL GND
R27 3
330 R33
B 1.5K/0.5W 26-48-1036 B
R32 SIGNAL GND
R25 R26 4.7K
VR1
100K 2.2K Q1 5KB
TIP127
4
OUTPUT ON DATA LINE:
3 D4
+ TEMP - .25MV-1V
1 12 LED4
R18 + IG +5V PULSE
2 10
- CLIP -5V PULSE
1K IC1A 1N4148 11 -
IC1C ACTIVE PROTECT +10V
LM614
13
R19 R21 R22 LM614 R29
LED3
499/1% 330K 2.2K 10K
R30 R31 PROTECT
MAC97B4
9
TR1 1.2K 1.2K
LM614 R20 C?
IC1E 750/1% CP R24 C5 C7 R34
7.5K 100/25V C6 470/25V 1.5K/0.5W
470/25V
13
8
A A
CREST AUDIO
100 EISENHOWER DRIVE
PARAMUS, NJ 07652
Title
10001 DISPLAY PCB
Size Document Number Rev
B 21B1528
Date: Tuesday, September 12, 2000 Sheet 1 of 1
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