Crest-FA901-pwr-sch维修电路图手册

1、8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA NOTE: Q30, Q31, NOT USED ON MODELS 4801, CC151 R98, R99 ARE 39K ON MODEL CV601 21CO951 OUTPUT 4801/6001/7001/CC151/CC301/CV601 CREST AUDIO INC. 150 Florence。

2、8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA NOTE: Q30, Q31, NOT USED ON MODELS 4801, CC151 R98, R99 ARE 39K ON MODEL CV601 21CO951 OUTPUT 4801/6001/7001/CC151/CC301/CV601 CREST AUDIO INC. 150 Florence。

3、8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA SIGNAL B SIGNAL A CLIP A- CLIP A+ CLIP B+ CLIP B- MUTE B +20 V. MUTE A GROUND GROUND GROUND GROUND A SEND B SEND A RETURN B RETURN SIG GND SIG GND RELAY A R。

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5、Pro Series 10004 power amplifiers Schematic set 1. 10004 Input board 2. 10004 Input preamp 3. 10004 Power supply 4. 10001 / 10004 Fan board 5. 10004 Output module RadioFans.CN 8 8 7 7 6 6 5 5 4 4 3 3 。

6、LT Series LT100, LT1500 & LT2000 Schematic set 1. Display and input connections 2. Linear power supply 3. Switching output section, p. 1 4. Switching output section, p. 2 1/25/01 RadioFans.CN Radi。

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8、LT Series LT100, LT1500 & LT2000 Schematic set 1. Display and input connections 2. Linear power supply 3. Switching output section, p. 1 4. Switching output section, p. 2 1/25/01 RadioFans.CN Radi。

9、8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA A B A2 A3 A1 B2 B3 B+ B- A+ A- A2 A2 A3 A3PARALLEL BRIDGE STEREO B- B+ PIN 3 HOT (+) PIN 3 HOT (+) 21A1006 6001/4801/3301 INPUT PCB CREST AUDIO HAWTHORNE, 。

10、Pro Series 8001 power amplifiers Schematic set 1. 8001 Display 2. 8001 Preamp 3. 8001 Relay board 4. 8001 Power supply 5. 8001 Output module RadioFans.CN 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA 21。

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12、8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA 120 VOLT VERSION NOTE 1 NOTE 2 4601 = 6-6800UF/90VDC 3301 = 4-7300UF/80VDC NOTE 3OMIT C6,C7 ON 3301 4601 = 11A BREAKER 240V 4601 = 18A BREAKER 120V 3301 = 1。

13、Pro Series 9001 power amplifiers Schematic set 1. New Output module (1996 +) 2. New Preamp (1996 +) 3. New Power supply cap board 4. New Power supply auxiliary board 5. Early Power supply 6. Inrush bo。

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15、8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 D D C C B B A A OUTPUT TO VR+27V +22V +27V -22V DATA CH B DATA CH A GND CH A GND CH B - RETURN +RETURN + SEND - SEND - SEND + SEND + RETURN - RETURN BALANCED INPUT/GAIN。

16、FCV 220 & FCV 440 Series power amplifiers Schematic set 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。

17、V / Vs series Power Amplfiers Schematic set 1. V / Vs Speakon connector board 2. V LED Meter 3. Vs Front panel display 4. V Front panel pot pcb 5. V / Vs Temp sensor 6. Booster for V Vs 900 and 1100 7。

18、8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 DD CC BB AA TURN ON DELAY/MUTE BALANCED INPUT/GAIN SERVO/HIGH PASSCURRENT LIMITER SIGNAL DETECTORLIMIT DETECTOR CLIP DETECTORAMPLIFIER FRONT END/IC POWER SUPPLY。

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