Crest PFA2500 free download

File name Crest-P2500 amp.pdf

8 7 6 5 4 3 2 1 3 D 2 D PRIOR TO 6-3-92 R14/R15 WERE 680/10W ON MODEL 6001 1 IC3 LM317T R1 390/2W R17 221/1% D5 1N4004 C3 10/50V R6 2.2K R5 2.2K Z1 1N5363A D1 1N4148 D4 R16 4.7K C1 1N4004 0.1/100V 3 2 R15 NOTE 1 C C NOTE C1 IS NOT CORRECT ON PCB. IC2B LM393N 7 + D3 1N4148 5 6 2 3 8 + 4 1 IC2A LM393N R9 R7 1K 39.2K/1% MUST FIX NEXT REV Q1 R4 1 MPSA13 IC1 LM317T R2 221/1% R3 2.2K 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 M1 26-48-1155 R14 NOTE 1 DELETE THIS NOTE WHEN BOARD IS REVED!! R8 R11 D2 1K 1K/1% 1N4148 100K R10 39.2K/1% R12 1K/1% B B NOTE 1: 680/10W ON 7001 CREST AUDIO INC. 620/10W ON 6001 A 1K/10W ON 3301 1.1K/10W ON 4601 150 Florence Ave. Hawthorne, NJ 07506 Title 7001/6001/4601/3301 FAN DRIVER Size A Date: Document Number 21A0952 Wednesday, May 17, 2000 3 2 A Rev Sheet 1 of 1 1 8 7 6 5 4 8 7 6 5 4 3 2 1 D3 1N4148 R1 15K R2 D VCC+ Q3 2N5401 R6 22K D4 Q4 2N5551 R4 4.7K R20 1N4148 C2 100uF 35V Q1 2N5551 R15 4.7K VCC+ D21 Z1 1N5353 R3 330K 1N4148 D 10K C17 470uF R65 VCC10K TURN ON DELAY/MUTE C14 C22 470uF NOTE 3 0.47uF 250V C19 R17 13 12 11 10 9 8 7 6 5 4 3 2 1 J2-M 100K 1% 4 VCC+ C5 C4 30pF 0.1uF R9 A 10K 0.2% R9 C 10K 0.2% D5 1N4148 D6 1N4148 D9 1N4148 CLM5010 R9 B 10K 0.2% 6 5 R55 7 IC1 B LF353N 4 VCC6 5 + 2 3 SELECTED R54 100K 0.1% R71 100 R58 1K 0.1% R57 1K 0.1% R56 100K 0.1% VCCR16 200K 1% 5 6 Z4 1N5938 2 1 OC1 0.1uF R70 511 1% R69 NOTE 1 Q13 2N5551 Q5 2N5551 Q6 2N5551 R83 47 Q7 2N5551 2N5551 Q8 D24 R10 20K 1% C R9 D 10K 0.2% C3 30pF VCCC6 0.1uF IC1 A LF353N VCC+ 8 IC4 B LM393N BALANCED INPUT/GAIN C8 2.2uF 5% R26 4.7K C9 2.2uF 5% VCCR27 R28 1 R45 2.2K C11 IC4 A LM393N 8 + 549 1% 4 R61 1K 0.1% R60 1K 0.1% R59 100K 0.1% R77 100 4 R25 150K 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 B VCC1 D10 1N4148 D11 1N4148 8 SERVO/HIGH PASS J3-M 1K D28 1N4148 VCC+ 1/50V R35 R34 D12 R33 100K 6 D13 1N4148 10K 1N4148 5 + 680K R19 1K VCC+ R18 4.7K R21 10K R23 10K R7 220K 7 5 IC3 B RC4559N D27 1N4148 D26 1N4148 R46 100K + 8 VCC+ 1 IC3 A RC4559N D7 1N4148 3 2 + 4 7 IC2 B RC4559N R90 4.7K R22 180K VCC- CLIP DETECTOR R31 10K C13 1/50V R32 680K NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601/600 VCCSIGNAL DETECTOR LIMIT DETECTOR 6.8K 2W ON MODELS 6001, 4801 5.6K 2W ON MODELS CC301/300 3.3K 2W ON MODELS CV301/300, CC151/150 NOTE 2: 27K 2W ON MODELS 8001, 7001, CC601/600 20K 2W ON MODELS 6001, 4801, CC301/300 A A 15K 2W ON MODELS CV301/300, CC151/150 NOTE 3: 1K 10W ON MODELS CC151/150, CV301/300 820 10W ON ALL OTHER MODELS CREST AUDIO 150 Florence Ave. Hawthorne, NJ 07506 Title PREAMP/FRONT END Size C Date: 8 7 6 5 4 3 2 - C12 + 3 IC2 A RC4559N VCC+ 10K 0.001uF CURRENT LIMITER 2N5401 Q11 R24 R52 1K VCC+ Z6 R47 1M 6 1N5938 C23 0.1uF C26 0.47uF 250V R66 C15 Q15 2N5551 R50 2.2K C18 470uF VCCZ2 1N5353 AMPLIFIER FRONT END/IC POWER SUPPLY 470uF NOTE 3 R82 511 1% R81 NOTE 1 Q14 2N5401 B - - 2 + + D8 1N4148 1 7 R72 68.1 1% R73 68.1 1% R74 100 SF14 R87 NOTE 2 R89 2.7K C27 C -