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