Crest FCV220 & 440 series free download

File name Crest-FCV220_440Series pwramp.pdf

Schematic set FCV 220 & FCV 440 Series power amplifiers 1. Preamp driver 2. Preamp driver OTA 3. Power supply interconnects 4. Power supply and fan driver 5. Output stage 6. NexSys preamp driver 7. NexSys power supply 8. NexSys output stage 8 7 6 5 4 3 2 1 R7 Z1 1N5930 R10 R24 C1 0.1/100V R23 1 2 3 4 5 6 7 8 J3 CH A OCTAL 10K/1% D3 1N4148 R22 10K/1% D7 1N4148 R3 NOTE 1 R21 NOTE 2: C3 30pF R14 C2 0.1/100V 1 2 3 4 5 6 BAR1 INPUT BARRIER Z3 1N5359 100/100V Z2 1N5930 VR1 5K R12 6.65K/1% R6 100K C15 100/100V C12 0.47/250V C16 0.1/100V C18 R20 4.7/1W RLY2 T90N5D12-12 D8 1N4148 D2 1N4148 C6 R26 10K/1% 1 2 3 4 5 6 7 8 J4 CH B OCTAL R4 NOTE 1 R28 NOTE 2 R25 NOTE 2 30pF C21 330pF 1 2 D4 1N4148 D6 1N4148 6 5 7 + IC1B NE5532 C4 30pF VR2 5K R1 90.9K/1% C7 0.1/100V R3,R4 NOTE 1: FCV440 = 13.75K/1% FCV220 = 15.1K/1% FCV440 = 27.18K/1% FCV220 = 19.6K/1% FCV440 = 680/10W FCV220 = 520/10W R5 100K C13 0.47/250V R11 6.65K/1% R29 NOTE 3 R30 NOTE 3 C9 15pF R16 100 IC2A STK3152 R9 470 C19 330pF R15 100 SUPPLY GND SUPPLY GND CH B MODULE 100K/1W/2% R19 4.7/1W C17 0.1/100V RLY1 T90N5D12-12 J9 1 2 RELAY CH B OUT C 470 C24 150pF 13 12 10 2.7K/2W D1 1N4148 NOTE 2 C22 330pF 30pF 15 D C5 R17 100 + C20 330pF 11 8 C + 8 7 5 B B R27 SW1 MSSA2350 10K/1% 3 4 9 6 R21,R24,R25,R28 NOTE 2: A R29,R30 NOTE 3: R7, R8 CHANGED FROM 4.7K TO 2.7K ON 4/8/92 8 7 6 + 3 - D5 1N4148 2 1 IC1A NE5532 R2 90.9K/1% C8 0.1/100V 14 IC2B STK3152 1 2 3 4 5 6 7 8 J8 CH A MODULE CH A OUT D 4 C10 15pF R18 100 R8 2.7K/2W CH A MODULE C23 150pF R13 100K/1W/2% 1 2 3 4 5 6 7 8 J7 CH B MODULE CREST AUDIO INC. 150 Florence Avenue Hawthorne, NJ 07506 Title PREAMP/DRIVER FCV220/FCV440 Size B Date: 5 4 3 A Document Number 21B1241 Thursday, May 18, 2000 2 Rev Sheet 1 1 of 1 8 7 6 5 4 3 2 1 D D R10 R24 C1 1 2 3 4 5 6 7 8 J3 CH A OCTAL R22 10K/1% D7 1N4148 J1 CH A BAR1 1 2 3 4 5 6 INPUT BARRIER C 470 C24 150pF 13 12 10 1 2 3 4 5 6 7 8 J8 CH A MODULE CH A OUT +24V C22 330pF 0.1/100V NOTE 2 R17 100 D1 1N4148 R23 10K/1% D3 1N4148 D5 1N4148 8 C5 +24V 30pF R6 C30 CP 1 220pF 220K C29 3 2 8 15 1 IC2A OPA2604 R2 C12 90.9K/1% C8 0.1/100V 1/63V R44 3.3K R45 6.8K C14 + C20 330pF 11 + 4 14 IC4B STK3152 2 3 + 4 C10 15pF R18 100 IC1A OPA2604 JP1 C31 -24V R12 6.65K/1% Z1 R14 100K/1W/2% R19 4.7/1W T90N5D12-24 J9 JP? 1 2 3 HEADER 3 26-48-1036 0.1/100V C18 R20 4.7/1W R9 470 RLY2 T90N5D12-24 C23 150pF C19 330pF R15 100 3 4 9 6 RLY1 CH A MODULE R3 NOTE 1 R21 NOTE 2: C3 30pF CP C2 0.1/100V -24V VR1 5K R34 3.3K 10/16V/BP +24V R7 R35 750 100/100V R36 16 15 14 13 12 11 10 9 200/1W 1N5353 C15 R39 10K C17 0.1/100V +24V R42 47K Z2 C16 100/100V CH B OUT C ANALOG ANALOG ATTENUATE CH ATTENUATE CH GND GND A B +15 V DATA CH A DATA CH B +24V -24V DIGITAL GND DIGITAL GND 1 2 3 4 5 6 7 8 9 10 11 D2 1N4148 C6 +24V R26 10K/1% D4 1N4148 -24V R27 SW1 MSSA2350 10K/1% R28 NOTE 2 C4 30pF D8 1N4148 D6 1N4148 R25 NOTE 2 6 5 30pF 750 R38 6.8K R37 1.5K C28