Carver-PX850-pwr-sch维修电路原理图.pdf

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1、12345678 A B C D 87654321 D C B A CHECKED DWG No. APPROVALS; REVDATE OFSHEET SIZE; DRAWN BY; FILE; DATE; ENGINEERING APPROVALS;DATE; 25-Sep-1998 R E V I S I O N S REVECOD E S C R I P T I O NDATE CARVER PROFESSIONAL PART OF FINAL ASSEMBLY FOR REFERENCE ONLY AC MALE PLUG BLU BRN YEL/GRN 1 WL2A ZTAB 12

2、 + C10 .1uF 250VAC ON/OFF POWER SWITCH BLK GRN/WHT ORN/WHT BLU/WHT WHT BRN VIO ORN BLU YEL TRANSFORMER PART OF FINAL ASSEMBLY REFERENCE ONLY NOTES; UNLESS OTHERWISE SPECIFIED. 1. ALL RESISTORS ARE IN OHMS, 2. ALL CAPACITORS ARE IN MICROFARADS. + C140 .1uF 250VAC 1 2 3 4 5 6 J100 MOLEX 6PIN INLINE 1

3、2 3 4 5 6 J101 MOLEX-6 DUAL ROW 1 2 3 4 5 6 CR11 1N4004 +85V + C142 220uF 35V CR12 1N4004 + C141 220uF 35V C111 .1uF 250V P101 CR1 1N4004 RDRIVE C112 .1uF 250V C113 .1uF 250V C114 .1uF 250V +75V +C124 10,000uF 80V + C126 10,000uF 80V -75V S C H E M A T I C; AC POWER SUPPLY C A R V E R P X S E R I E

4、S 8 5 0 TIMOTHY19 B PX850S1.SCH 8000.0101B PX850 POWER SUPPLY 1 2 3 4 5 6 P100 N/C THERMALSWITCH R4 1.5K 1/4W R3 1.5K 1/4W 1 WL1A ZTAB 1 WL3A ZTAB 1 WL4A ZTAB 1WL5A ZTAB 1WL6A ZTAB 1WL7A ZTAB 1WL8A ZTAB 24 13 CR125 MB254W PGND R18 220 1/2W - + R11 4.7K 2W R151 4.7K 2W 15AMP PANEL MOUNTED CR5 1N4004

5、CR6 1N4004 GRN N/C N/C N/C PGND CR7 1N4004 CR8 1N4004 +75V -85V-75V 1 2 P201 +75V -75V TP10 +85V TP11 -85V TP15 -75V TP14 PGND TP12 +75V BREAKER C144 .1uF 100V C145 .1uF 100V C7 .1uF 50V C6 .1uF 50V PX850 FAN CONTROL BOARD 6000.0138 WL18 PGND 1 WL17A ZTAB PGND -75V +75V P R O D U C T I O N R E L E A

6、 S EA211404-14-97 1 2 3 4 5 P102 +15V STAND THERMAL/BUSS 1GND -15V 1 2 3 4 5 J102 +75V -75V N/C N/C N/C N/C N/C N/C INPUT CIRCUIT RE-DESIGNB243210-23-97 RadioFans.CN 收音机爱 好者资料库 12345678 A B C D 87654321 D C B A CHECKED DWG No. APPROVALS; REVDATE OFSHEET SIZE; DRAWN BY; FILE; DATE; ENGINEERING APPROV

7、ALS;DATE; 25-Sep-1998 R E V I S I O N S REVECOD E S C R I P T I O NDATE CARVER PROFESSIONAL S C H E M A T I C ; AMPLIFIER MONITOR C A R V E R P X S E R I E S 8 5 0 TIMOTHY29 B PX850S2.SCH 8000.0101B R51 100K R511 47K R515 RTH * +C51 1uF 50V R517 1.5K R529 22K CR51 1N4148 CR21 1N4148 C53 100pF R531 2

8、2K R532 10K 2 31 Q51 2N4401 0GND CR22 1N4148 0GND R534 10K R545 1M R1 47K CR23 1N4148 0GND CR24 1N4148 CR25 1N4148 0GND 0GND R52 100K R53 1.5K 1/4W THERMAL/BUSS THERMALSWITCH CR27 1N4148 R518 1.5K 0GND 9 8 14 U51C LM339 5 4 2 U51A LM339 7 6 1 U51B LM339 R54 100K 0GND R519 1.5K 1/4W R55 100K 1/4W CR4

9、 1N4148 CR28 1N4148 CR29 1N4148 +C55 100uF 25V 0GND CR210 1N4148 R520 1.5K 1/4W STANDBY1 ON1 R535 10K 0GND R536 10K 11 10 13 U51D LM339 CR211 1N4148 R512 47K 0GND CR212 1N4148 + C57 33uF 16V CR213 1N4148 0GND R521 1.5K 1/4W OVERLOAD1 C59 .1uF R537 10K 2 31 Q52 2N4401 0GND R522 1.5K 1/4W C511 1uF 50V

10、 0GND 2 31 Q53 2N4401 +15V +15V CLIP1 R513 47K R516 RTH * R523 1.5K R530 22K CR214 1N4148 CR215 1N4148 R538 22K R539 10K 2 31 Q54 2N4401 0GND CR417 1N4148 0GND R540 10K R57 100K R58 1.5K 1/4W THERMAL/BUSS THERMALSWITCH 9 8 14 U52C LM339 5 4 2 U52A LM339 R59 100K 0GND R510 100K 1/4W CR423 1N4148 CR42

11、4 1N4148 CR425 1N4148 +C56 100uF 25V 0GND CR426 1N4148 R526 1.5K 1/4W ON2 R542 10K 0GND R543 10K 11 10 13 U52D LM339 CR427 1N4148 R514 47K 0GND CR428 1N4148 + C58 33uF 16V CR429 1N4148 0GND R527 1.5K 1/4W OVERLOAD2 C510 .1uF 0GND R544 10K 2 31 Q55 2N4401 0GND R528 1.5K 1/4W C512 1uF 50V 0GND 2 31 Q5

12、6 2N4401 +15V +15V CLIP2 NOTES; UNLESS OTHERWISE SPECIFIED. 1. ALL RESISTORS VALUES ARE IN OHMS, 1/8W. 2. ALL CAPACITORS ARE IN MICROFARADS. 3. ALL FUSE RESISTORS 1/4W F +15V 312 V+ GND U51E LM339 C513 .1uF 0GND 0GND +15V 312 V+ GND U52E LM339 C515 .1uF 0GND 0GND POWER DISTRIBUTION BLOCKS +15V +15V

13、PROTECT1 CH1_CLIP 0GND PROTECT2 CH2_CLIP CHANNEL 2 POWER SUPPLY REVDATE OFSHEET SIZE; DRAWN BY; FILE; DATE; ENGINEERING APPROVALS;DATE; 25-Sep-1998 R E V I S I O N S REVECOD E S C R I P T I O NDATE CARVER PROFESSIONAL NOTES; UNLESS OTHERWISE SPECIFIED. 1. ALL RESISTORS VALUES ARE IN OHMS, 1/8W. 2. A

14、LL CAPACITORS ARE IN MICROFARADS. CR31 1N4004 CR33 1N4148 CR34 1N4148 CR35 1N4148 CR36 1N4148 C31 1nF S C H E M A T I C; CHANNEL 1 AMPLIFIER C A R V E R P X S E R I E S 8 5 0 TIMOTHY39 B PX850S3.SCH 8000.0101B CR32 1N4004 R31 .22 5W R32 .22 5W R34 .22 5W R35 .22 5W 23 1Q31 2SC3281 R313 2.2 1/4W F -7

15、5V +75V 23 1 Q32 2SC3281 R314 2.2 1/4W F R36 .22 5W R37 .22 5W 23 1 Q34 2SC3281 R316 2.2 1/4W F 23 1 Q35 2SC3281 R317 2.2 1/4W F 23 1 Q37 MJE15032 R325 33 1/4W F 23 1Q38 MJE15032 R326 33 1/4W F 32 1Q39 2SA1302 R319 2.2 1/4W F 32 1 Q310 2SA1302 R320 2.2 1/4W F 32 1 Q315 MJE15033 R327 33 1/4W F R310 .

16、22 5W R311 .22 5W 32 1 Q312 2SA1302 R322 2.2 1/4W F 32 1 Q313 2SA1302 R323 2.2 1/4W F 1 23 Q316 MJE15033 R328 33 1/4W F R329 100 1/4W R330 100 1/4W R331 27K 2GND 2 31 Q317 2N4401 2 31 Q319 MPSA43 R333 270 R334 270 R335 750 1/4W R336 750 1/4W 2 31 Q320 2N4403 CR37 1N4148 C32 1nF R332 27K 2GND R337 47

17、K CR38 1N4148 3 21 Q322 MJE340 R339 68 1/4W C34 470pF F R341 300 1/4W C36 .1uF 2 3 1 Q323 MJE350 R340 68 1/4W C35 470pF F R342 22 R343 22 OVERLOAD1 CLIP1 +85V + C37 1uF 50V R345 1.8K R346 10K R356 1K R358 270 C33 1nF 2 31 Q325 2N4403 3 21 Q327 MJE340 2 13 cw RT31 200 BIAS CR315 1SS143 2 31 Q318 MPSA

18、43 R347 100K R359 5.1K 2W R338 100K R360 100K CR316 1SS143 1 23 Q328 MJE15032 R348 10K 2 31 Q326 MPSA93 2 31 Q329 MPSA43 2 31 Q330 MPSA43 -85V 1 23 Q324 MJE15033 2 3 1 Q331 MJE350 R361 33 1/4W F R363 1K 1GND 3 21 Q335 MJE340 R365 5.1K 2W 1GND R362 33 1/4W F R364 1K 2 3 1 Q332 2SA1038 3 21 Q336 2SC23

19、89 3 21 Q337 2SC2389 R366 22 R367 22 R368 22 12 3 Q333 2SA1038 R370 26.7K C38 18pF R369 22 R371 26.7K 1GND R372 1.8K R374 91 C39 3.3nF R373 1.8K R375 91 C310 3.3nF R349 270 R350 10K R351 10K R352 10K +15V 2 3 1 Q334 2SA1038 ONAMP1 CR313 1N4148 CR314 1N4148 R353 270 R354 10K R355 10K -15V R357 1K -IN

20、1 C311 0.1uF 1GND C314 0.1uF 1GND C312 .1uF 250V 2GND 2 31 Q338 2N4401 2 31 Q321 2N4403 2 31 Q339 MPSA93 2 31 Q340 MPSA93 2 31 Q341 MPSA93 2 31 Q342 MPSA93 F 3. ALL FUSE RESISTORS 1/4W F C313 .1uF 250V 2GND CHANNEL 1 AMPLIFIER STAGE CHANNEL 1 Q327 BIAS TRANSISTOR LOCATED ON HEATSINK F F C315 0.1uF 2

21、GND C316 0.1uF 2GND CHANNEL 1 OUTPUT 12 L31 5uH R376 4.7 10W R377 TBD C317 .033uF R378 TBD R379 TBD R344 22 5W IMON1 R380 TBD VMON1 2GND 2GND 2GND S1S2 K31A 1 WL9A 1 WL11A PGNDCHANNEL1 -15V +15V +85V -75V -85V +75V CH1/OUT TP41 TP42 TP43 TP44 TP45 TP46 TP47 TP48 TP49TP51 TP50 R6 100K F R24 10K R23 1

22、0K R21 10 1/4W R22 10 1/4W F F F R25 10K C8 .1uF 50V C9 .1uF 250V CR30 1N4148 CR26 1N4148 R39 100K C15 .1uF C16 .001uF 50V C17 .1uF 50V C18 .001uF 50V + C63 33uF 16V 1GND R73 10K DS25 DS26 P R O D U C T I O N R E L E A S EA211303-19-97 FROM PAGE 5 INPUT U61 PGND INPUT CIRCUIT RE-DESIGNB243210-23-97

23、12345678 A B C D 87654321 D C B A CHECKED DWG No. APPROVALS; REVDATE OFSHEET SIZE; DRAWN BY; FILE; DATE; ENGINEERING APPROVALS;DATE; 25-Sep-1998 R E V I S I O N S REVECOD E S C R I P T I O NDATE CARVER PROFESSIONAL NOTES; UNLESS OTHERWISE SPECIFIED. 1. ALL RESISTORS VALUES ARE IN OHMS, 1/8W. 2. ALL

24、CAPACITORS ARE IN MICROFARADS. CR41 1N4004 CR43 1N4148 CR44 1N4148 CR45 1N4148 CR46 1N4148 C41 1nF S C H E M A T I C; CHANNEL 2 AMPLIFIER C A R V E R PX SERIES 8 5 0 TIMOTHY49 B PX850S4.SCH 8000.0101B CHANNEL 2 OUTPUT 12 L1 5uH R41 9.1 5W R42 TBD CR42 1N4004 C44 .033uF 2GND R46 .22 5W R47 .22 5W R49

25、 .22 5W R410 .22 5W 23 1Q41 2SC3281 R418 2.2 1/4W F -75V +75V 23 1 Q42 2SC3281 R419 2.2 1/4W F R411 .22 5W R412 .22 5W 23 1 Q44 2SC3281 R421 2.2 1/4W F 23 1 Q45 2SC3281 R422 2.2 1/4W F 23 1Q47 MJE15032 R430 33 1/4W F 23 1 Q48 MJE15032 R431 33 1/4W F 32 1 Q49 2SA1302 R424 2.2 1/4W F 32 1 Q410 2SA1302

26、 R425 2.2 1/4W F 32 1 Q415 MJE15033 R432 33 1/4W F R415 .22 5W R416 .22 5W 32 1 Q412 2SA1302 R427 2.2 1/4W F 32 1 Q413 2SA1302 R428 2.2 1/4W F 32 1Q416 MJE15033 R433 33 1/4W F R434 100 1/4W R435 100 1/4W R436 27K 2GND 2 31 Q417 2N4401 2 31 Q419 MPSA43 R438 270 R439 270 R440 750 1/4W R441 750 1/4W 2

27、31 Q420 2N4403 CR47 1N4148 C42 1nF R437 27K 2GND R442 47K CR48 1N4148 3 21 Q422 MJE340 R444 68 1/4W C45 470pF F R446 300 1/4W C47 .1uF 2 3 1 Q423 MJE350 R445 68 1/4W C46 470pF F R447 22 R448 22 OVERLOAD2 CLIP2 +85V +C414 1uF 50V R450 1.8K R451 10K R461 1K R463 270 C43 1nF 2 31 Q425 2N4403 3 21 Q427

28、MJE340 2 13 cw RT1 200 BIAS CR40 1N4148 CR415 1SS143 2 31 Q418 MPSA43 R452 100K R464 5.1K 2W R443 100K R465 100K CR416 1SS143 1 23 Q428 MJE15032 R453 10K 2 31 Q426 MPSA93 2 31 Q429 MPSA43 2 31 Q430 MPSA43 -85V 1 23 Q424 MJE15033 2 3 1 Q431 MJE350 R466 33 1/4W F R468 1K 1GND 3 21 Q435 MJE340 R470 5.1

29、K 2W 1GND R467 33 1/4W F R469 1K 2 3 1 Q432 2SA1038 3 21 Q436 2SC2389 3 21 Q437 2SC2389 R471 22 R472 22 R473 22 2 3 1 Q433 2SA1038 R475 26.7K C415 18pF R474 22 R476 270 1GND R477 1.8K R479 91 C416 3.3nF R478 1.8K R480 91 C417 3.3nF R454 270 R455 10K R456 10K R457 10K +15V 2 3 1 Q434 2SA1038 ONAMP2 C

30、R413 1N4148 CR414 1N4148 R458 270 R459 10K R460 10K -15V R462 1K -IN2 C48 .1uF 1GND C49 .1uF 1GND C410 .1uF 250V 2GND 2 31 Q438 2N4401 2 31 Q421 2N4403 2 31 Q439 MPSA93 2 31 Q440 MPSA93 2 31 Q441 MPSA93 2 31 Q442 MPSA93 F R43 TBD R44 TBD R449 22 5W 3. ALL FUSE RESISTORS 1/4W F C411 .1uF 250V 2GND CH

31、ANNEL 2 AMPLIFIER STAGE CHANNEL 2 Q427 BIAS TRANSISTOR LOCATED ON HEATSINK FROM PAGE 5 INPUT U61 F F C412 .1uF 2GND C413 .1uF 2GND IMON2 R45 TBD VMON2 2GND 2GND S1S2 K41A 1 WL10A 1 WL12A PGNDCHANNEL2 +15V -15V +75V -75V CH2/OUT TP30 TP31 TP33 TP34 TP32 TP36 TP35 TP37 TP38TP40 TP39 R5 100K R26 10 1/4

32、W F R29 10K R30 10K R27 10 1/4W F R28 10K F F CR50 1N4148 C14 .1uF 50V C13 .1uF 50V R38 100K C19 .1uF C20 .001uF 50V C21 .1uF 50V C22 .001uF 50V + C64 33uF 16V 1GND R74 10K DS27 DS28 R75 9.1 5W P R O D U C T I O N R E L E A S EA211303-19-97 PGND INPUT CIRCUIT RE-DESIGNB243210-23-97 12345678 A B C D

33、87654321 D C B A CHECKED DWG No. APPROVALS; REVDATE OFSHEET SIZE; DRAWN BY; FILE; DATE; ENGINEERING APPROVALS;DATE; 25-Sep-1998 R E V I S I O N S REVECOD E S C R I P T I O NDATE CARVER PROFESSIONAL R62 63.4K R64 10.0K 3 2 1 U61A NE5532 C67 200pF WIMA -IN2 3 2 1 U64A NE5532 CR61 1N5236 7.5V CR62 1N52

34、36 7.5V R628 2.2K R629 100K C615 18pF CR65 1N4148 3 2 1 U65A LM393 5 6 7 U65B LM393 C617 1nF C618 1nF 2 13 RT61A 25K R65 24K R66 24K R67 24K SIGNAL SMART +15V -15V R631 3.9K 1/2W 2 31 Q1 2N4401 R634 3.9K 1/2W + C619 100uF 25V CR66 1N4148 R635 1K CR67 1N4148 CR68 1N4148 CR69 1N4148 CR610 1N4148 CR611

35、 1N4148 STANDBY1 R637 47K CHANNEL 1 AMPLIFIER INPUT R612 2.2K LOW = STANDBY OFF R639 750 1/4W NOTES; UNLESS OTHERWISE SPECIFIED. 1. ALL RESISTORS VALUES ARE IN OHMS, 1/8W. 2. ALL CAPACITORS ARE IN MICROFARADS. 3. ALL FUSE RESISTORS 1/4W F 84 V+ V- U65C NE5532 C621 .1uF C622 .1uF C28 .1uF C27 .1uF PO

36、WER DISTRIBUTION BLOCKS C30 .1uF C29 .1uF CHANNEL 1 AMP INPUT REVDATE OFSHEET SIZE; DRAWN BY; FILE; DATE; ENGINEERING APPROVALS;DATE; 25-Sep-1998 R E V I S I O N S REVECOD E S C R I P T I O NDATE CARVER PROFESSIONAL 2 31 Q11 2N4401 R161 10K R116 100K + C130 100uF 50V CR19 1N4148 CR120 1N4744 15V CR1

37、10 1N4148 CR111 1N4148 CR112 1N4148 CR113 1N4148 +C136 220uF 35V R171 10K 1W CH1/OUT PGND PGND R13 10K RDRIVE R117 10K 2 31 Q12 MPSA43 R19 10K R110 10K PGNDPGND 2 31 Q13 MPSA43 PGND +50V CR114 1N4148 + C131 100uF 50V 2 31 Q14 2N4401 RELAY1 PGND +50V CR17 1N4004 CHANNEL 1 SPEAKER PROTECTION CIRCUIT 2

38、 31 Q15 2N4401 R111 10K R118 100K + C132 100uF 50V CR115 1N4148 CR121 1N4744 15V CR116 1N4148 CR117 1N4148 CR2 1N4148 CR118 1N4148 +C137 220uF 35V R112 10K 1W CH2/OUT PGND PGND R113 10K RDRIVE R141 10K 2 31 Q16 MPSA43 R114 10K 1W R115 10K PGNDPGND 2 31 Q17 MPSA43 PGND +50V CR119 1N4148 + C133 100uF

39、50V 2 31 Q18 2N4401 RELAY2 PGND +50V CR18 1N4004 C1C2 K31B COIL 1W C1C2 K41B COIL S C H E M A T I C; SPEAKER PROTECTION C A R V E R P X S E R I E S 8 5 0 TIMOTHY69 B PX850S6.SCH 8000.0101B R190 680 5W R195 680 5W TP61 TP62 + C147 220uF 35V + C148 220uF 35V PGND PGND P R O D U C T I O N R E L E A S E

40、A211303-19-97 CHANNEL 2 SPEAKER PROTECTION CIRCUIT TO PAGE 2 TO PAGE 2 FROM PAGE 3 FROM PAGE 1 FROM PAGE 4 FROM PAGE 1 INPUT CIRCUIT RE-DESIGNB243210-23-97 12345678 A B C D 87654321 D C B A CHECKED DWG No. APPROVALS; REVDATE OFSHEET SIZE; DRAWN BY; FILE; DATE; ENGINEERING APPROVALS;DATE; 25-Sep-1998

41、 R E V I S I O N S REVECOD E S C R I P T I O NDATE CARVER PROFESSIONAL S C H E M A T I C; GAIN CONTROL UNLESS OTHERWISE SPECIFIED. 1. ALL RESISTORS VALUES ARE IN OHMS, 1/8W. 2. ALL CAPACITORS ARE IN MICROFARADS. 3. ALL FUSE RESISTORS 1/4W F 2 13 RT81A 5K CH1PW2 CH1P1 CH1P3 CHANNEL 2 GAIN POT 2 13 RT

42、82A 5K CH2PW2 CH2P1 CH2P3 CHANNEL 1 GAIN POT CH1PW2 CH1P1 CH1P3 CH2PW2 CH2P1 CH2P3 1 2 3 4 5 6 7 8 9 10 J610A IDC10 G A I N C O N T R O L O U T P U T 1 WL13 CH2 + 1 WL14 CH1 + 1 WL15 CH1 - 1 WL16 CH2 - SPEAKER OUTPUT ZTABS SPEAKON INTERCONNECT SPEAKER OUTPUT 1 2 J4 CH2 + 1 2 J5 CH1 + 1 2 J6 CH1 - 1

43、2 J7 CH2 - 1 2 3 4 J3 BARRIER STRIP 1 2 J2 5 WAY BINDING POST CHANNEL 2 1 2 J1 5 WAY BINDING POST CHANNEL 1 RED CH2 + BLACK CH2 - RED CH1 + BLACK CH1 - CHANNEL 1 + CHANNEL 1 - CHANNEL 2 + CHANNEL 2 - P R O D U C T I O N R E L E A S EA211303-19-97 INPUT CIRCUIT RE-DESIGNB243210-23-97 12345678 A B C D

44、 87654321 D C B A CHECKED DWG No. APPROVALS; REVDATE OFSHEET SIZE; DRAWN BY; FILE; DATE; ENGINEERING APPROVALS;DATE; 25-Sep-1998 R E V I S I O N S REVECOD E S C R I P T I O NDATE CARVER PROFESSIONAL S C H E M A T I C ; F A N C O N T R O L C A R V E R P X S E R I E S 8 5 0 TIMOTHY99 B PX850S9.SCH 800

45、0.0101B NOTES; UNLESS OTHERWISE SPECIFIED. 1. ALL RESISTORS VALUES ARE IN OHMS, 1/8W. 2. ALL CAPACITORS ARE IN MICROFARADS. 3. ALL FUSE RESISTORS 1/4W F 1 2 J201 * +75V R1 470K * THERMAL/BUSS CR1 1N5245B 15V R2 20K * R3 4.7K 2W R4 10k * PGND 1 2 J202 * PGND CR4 1N5242 12V PGNDPGND +75V 1 23 Q1 MJE15

46、030 * + C3 10uF 35V PGND 2 31 Q3 2N4401 * PGND PGND CR5 1N4148 * CR6 1N4148 * CR7 1N4148 * STAND R5 10K * +15V .3A FAN 1 2 P202 * STAND R6 10K * PGND 1 2 3 4 5 J102 * +15V STAND THERMAL/BUSS 1GND -15V -75V 2 31 Q5 2N4403 * TP4 3 2 6 74 5 1 8 U1 CA3140 * C4 .1uF * +15V 1GND PGND 2 31 Q6 2N4403 * C5 .

47、1uF * 1GND 1 23 Q4 MJE15031 * 1 23 Q2 MJE15030 * +C2 10uF 35V R7 4.7K 2W +15V +75V CR2 1N5245B 15V 1GND 1GND + C1 10uF 35V R8 4.7K 2W -15V -75V CR3 1N5245B 15V 1GND 1GND +15V REVDATE OFSHEET SIZE; DRAWN BY; FILE; DATE; ENGINEERING APPROVALS;DATE; 25-Sep-1998 R E V I S I O N S REVECOD E S C R I P T I

48、 O NDATE CARVER PROFESSIONAL S C H E M A T I C ; F A N C O N T R O L C A R V E R P X S E R I E S 8 5 0 TIMOTHY99 B PX850S9.SCH 8000.0101B NOTES; UNLESS OTHERWISE SPECIFIED. 1. ALL RESISTORS VALUES ARE IN OHMS, 1/8W. 2. ALL CAPACITORS ARE IN MICROFARADS. 3. ALL FUSE RESISTORS 1/4W F 1 2 J201 * +75V R

49、1 470K * THERMAL/BUSS CR1 1N5245B 15V R2 20K * R3 4.7K 2W R4 10k * PGND 1 2 J202 * PGND CR4 1N5242 12V PGNDPGND +75V 1 23 Q1 MJE15030 * + C3 10uF 35V PGND 2 31 Q3 2N4401 * PGND PGND CR5 1N4148 * CR6 1N4148 * CR7 1N4148 * STAND R5 10K * +15V .3A FAN 1 2 P202 * STAND R6 10K * PGND 1 2 3 4 5 J102 * +15V STAND THERMAL/BUSS 1GND -15V -75V 2 31 Q5 2N4403 * TP4 3 2 6 74 5 1 8 U1 CA3140 * C4 .1uF * +15V 1GND PGND 2 31 Q6 2N4403 * C5 .1uF * 1GND 1 23 Q4 MJE15031 * 1 23 Q2 MJE15030 * +C2 10uF 35V R7 4.7K 2W +15V +75V CR2 1N5245B 15V 1GND 1GND + C1 10uF 35V R8 4.7K 2W -15V -75V CR