QSC-EX1600-pwr-sch维修电路原理图.pdf

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1、NOTES. 1. ALL RESISTORS 1/4-WATT, 5% UNLESS NOTED. 2. ALL CAPACITORS 100V UNLESS NOTED. TOLERANCE 20% FOR ELECTROLYTIC TYPES, 10% ON OTHER TYPES. PC-004001-00 PC-004002-00 DISPLAY PCB INPUT PCB SPKR PCB 101-199201-2991-29 301-399401-49931-49 501-599601-69951-69 701-799801-89971-99 901-UP (SAME BOARD

2、 FOR CH 1, CH2) PCB NUMBER DESCRIPTION CH 1 PARTS CH 2 PARTS PARTS IN COMMON 125 W, 60 V MINIMUM, ON-RESISTANCE 0.030 OHMS MAX. 8. PARTS MARKED WITH TRIANGLE MUST BE REPLACED WITH EXACT TYPE ONLY. 9. PARTS ENCLOSED WITHIN DOTTED OUTLINE HAVE VOLTAGES GREATER THAN 42V. SCHEDULE OF TEST POINTSETCJ 502

3、-1 CH-1CH 2 J 502-6 J 602-6 SWITCHED POS AMPLIFIER RAIL-HIGH VOLTAGE J 502-1 J 602-1 NEGATIVE LIMITING VOLTAGE J 502-2 J 602-2 POSITIVE LIMITING VOLTAGE J 502-4 J 602-4 AMPLIFIER LOOP OPAMP OUTPUT J 502-8 J 602-8 SWITCHED NEG AMPLIFIER RAIL-HIGH VOLTAGE J 502-3 J 602-3 SWITCHING THRESHOLD REFERENCE

4、VOLTAGE PART NUMBERING SCHEDULE FOR PCBS USED IN EX-1600: AMP PCB AC PCB 3. BRIDGE RECTIFIER BR 51, 1.5A, 100V. 4. R 598, 698 IS POSITIVE TEMPERATURE COEFFICIENT RESISTOR MOUNTED TO HEAT SINK. 5. Q 503, 504, 603, 604 ARE SWITCHING FETS. QSC P/N QD-000031-QD. 6. ZENERS D 503, 504, 603, 604 MARKED 7.5

5、 V TESTED FOR LOW LEAKAGE, QSC P/N QD-0007.5-ZT. 7. ZENERS D 509, 513, 609, 613, 6.2V-500mW, TESTED FOR LOW LEAKAGE, QSC P/N QD-000024-QD. +23V 0N/OFF ENABLETRANSFORMER THERMAL SENSORTHERMAL BUS TO FAN SPEED CONTROL 1N4004 2200 35V -15 V REG -24 V UNREG 100 +24 V UNREG +15 V REG78153 2 1 1N4746, 18V

6、 1N4746, 18V 1002200 35V 7915 32 1 18 Vac1 18 Vac2 CT3 +24 V +15 V -15 V -24 V XF PTC XF PTC J 51 U 52 D 53 D 52 U 51 C 54 C 53C 56 C 55 D 51 BR 51 35 V 35 V SCHEMATIC, 2-CH POWER AMPLIFIER, EX 1600 SHEET 1, HOUSEKEEPING SUPPLY AND FAN SPEED CONTROL -24 V FAN BLACK FAN RED 24 V BRUSHLESS FAN 2.7K 2.

7、7K 2.7K 2.7K 47K .01 RN 51 C 52 Q 52 2N2907 Q 53 2N4410 R 52 R 51 C 57 C 51 Q 51 2SC3298B 100-35V 47-10NP +23V 0N/OFF ENABLETRANSFORMER THERMAL SENSORTHERMAL BUS TO FAN SPEED CONTROL J 52-1 J 52-4 TO SHEET 2 TO SHEET 3 5 4 A B C D A 3.3-1W R 53 HEAT SINK GROUND AUDIO AND POWER GROUNDS RESISTANCE 100

8、 OHM COLD, RISING AT 55 C. QSC P/N RE-000006-PT DOC NO. SH-004101-00 1 3 4 2 LAST USED REF. DESIGN. D51 - 53, D513, 613 F504, 604 J51, 52, J503, 603 K501, 601 L501, 601 Q51 - 53, Q510, 610 R51 - 53, R544, 644, R598, 698, R599, 699 RN51, RN502, 602 U51, 52, U506, 606 VR503, 603 BR 51, BR 502, 602 180

9、K NOTES: UNLESS OTHERWISE SPECIFIED APPLICATION USED ONNEXT ASSY TOLERANCES ARE: DECIMALSANGLESDECIMALS DIMENSIONS PER ANSI Y14.5-1982 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. -+-+-+ .XX.XXX DEBURR EDGES .XXX R MAX AUDIO PRODUCTS, INC. D SH-004101-00 1 SH-004101-00 SH4101K1.FCDNONE WP-00

10、4101-00EX 1600 REV K, FOR PC-004105-00 REV D EX 1600 SCHEMATIC DIAGRAM K K C51 - 57, C534, 634 PC-004105-00 PC-004105-00 PC-004105-00 RadioFans.CN 收音机爱 好者资料库 A SPKR SIG GND GND GND A 470-1W CLIP 10K-2W 470-10V 470-10V THERMAL TO +15V TO +15 V TO -15 V MUTE 5K 5K 7.5K-2W 22-1W 2SA1302 .22-3W 2SC3281

11、IN5402 22-1W 4.7-1W 4.7-1W 2SA1306B 2SC3298B .10 2.7-2W D GS .10 15K 750K 750K 332 332 A 1K-4 2.7K 5532 1N5402 2uH .10 1 2 3 4 5 6 7 8 +15 V -15 V A C D B HEATSINK GROUND SPEAKER BUS AUDIO OUTPUT STAGE SWITCHING THRESHOLD REFERENCE .0022 470-10V 22 FP 3K-2W 7.5V 7.5V .0033 100 BIAS SOURCE REF 12000-

12、63V 12000-63V 12000-63V D GS 22 FP 2.7-2W.10 .22-3W 3 PL 3 PL +108 V RAIL +54 +108 V SWITCHED BUS +54 V RAIL -54 -108 V SWITCHED BUS -108 V RAIL -54 V RAIL 3 PL 3 PL SPEAKER COMMON 12000-63V SPEAKER OUTPUT NC NO TO -24 V 1N4004 1N4004 25 C .01 50 OHM BIAS NETWORK 1N400410-25V TO -24 V 470-1W PTC-60C

13、 THERMALLY CONNECTED MUR 810 MUR 810 14-PIN RIBBON 5.6-2W T7 T8 GATE SOURCE REF GATE DRIVER SCHMIDTT COMPARATOR LOSS-OF-SAT SHUTDOWN T9 HIGH RAIL IC-000008-00 T4 SLEWNEG SUPP T6 BOOTSTRAP CAP T1 REF VOLT T2 LOW RAIL T3 SHUTDOWN T5 T6 T7 GATE GATE DRIVER LOSS-OF-SAT SHUTDOWN IC-000009-00 T5 GATE PWR

14、T4 SLEW T3 SHUTDOWN T2 LOW RAIL T1 REF VOLT SOURCE REF SCHMIDTT COMPARATOR T 6 +15 V T15 -15 V T16 PROCESSING BUFFER 50C +O.5V 90C +8V THERM ADJUST, 0.5-8.5V THERMAL SENSING T 1 T 3 GROUND MUTING INPUT CAP. TIMING CAP. T 2 RELAY DRIVER T 4 ON-OFF MUTING DELAY RELAY MUTE -24V RUN +15V MUTING BUS RUN

15、0V MUTE +8V SHUTDOWN MUTING IC-000010-00 MUTE BUS T 5 T 7 THERMAL SENSE, 0-8V T 8 THERMAL BUS, 0-8V T 9 OP-AMP OUT - HF PROTECTSHUTDOWN DETECTORS TO MUTING DC PROTECT SENSE T10 THERMAL LIMITING T11 IDLE -1.2V CLIP +3V PEAKS0-3Vac NORMAL AUDIO 4.5-6.5Vac CLIPPING PEAKSMUTE +4.5V LIMITING THRESHOLD +4

16、.5V CLIP RECTIFIER-BUFFER HIGH FREQ DC RECTIFIER THERMAL T12 T13 T14 CLIP BUS OP-AMP OUT OPTOCELL T25 POSITIVE DRIVER, +0.6V IDLE T24 NEGATIVE DRIVER, -0.6V IDLE T23 POSITIVE BYPASS, +7.5V NORMAL, +2.5V SHORT POSITIVE BIAS CONTROLLER T22 POSITIVE CURRENT FEEDBACK +3V PEAK T21 POS CURRENT TRIMMER T20

17、 OUTPUT VOLTAGE FEEDBACK LOAD IMPEDANCE SENSING T19 NEGATIVE TRIMMER BIAS ENABLE NEGATIVE BIAS CONTROLLER T18 NEGATIVE CURRENT FEEDBACK, -3V PEAK T17 NEGATIVE BYPASS, -7.5V NORMAL, -2.5V SHORT BIAS 680p J 502-1 J 502-3J 502-6 J 502-8 J 502-4 J 502-2 + CURR LIM+ CURR LIM - CURR LIM- CURR LIM- CURR LI

18、M R 598 U 501 D 504 R 511 Q 504 R 512C 503 C 509 D 502 C 511 K 501 VR 501 R 599 C 504 D 505 D 506 R 508 R 503R 506 R 501R 505 R 507 Q 502 R 504 R 502 Q 501 R 519 R 518 R 520R 521R 522 Q 508Q 509Q 510 D 508 Q 505Q 506Q 507 R 516R 515R 517 D 507 L 501 R 525 C 506 C 510 C 507 5.6-2W R 523 D 503 U 502 R

19、 514 R 510 C 505 Q 503 D 501 R 509C 501 C 508 TO RECT BR 501 TO RECT BR 502 TO Q 508 3K-2W R 526 U 505-B R 534C 523 RN 502 R 535 U 505-A C 519 C 512 R 530 R 528 C 513 VR 503 VR 502 R 529 C 518 U 503 J 503 C 515 C 514 C 516R 531 47-50V 47-50V D 512 47K-1W R 542 TO -15V SCHEMATIC, EX-1600, SHEET 2, AM

20、PLIFIER CHANNEL ASCHEMATIC, EX-1600, SHEET 2, AMPLIFIER CHANNEL A +23V 0N/OFF ENABLE TRANSFORMER THERMAL SENSORTHERMAL BUS TO FAN SPEED CONTROLTO SHEET 1 J 52-5 J 52-6 1.5K 1.5K C 502 47-50V R 513 22K-1W 3.9-2W R 524 R 532, 47K 10 8 11 6 5 12 13 +INPUT GND REF PWR-ON AUDIO INPUT STAGE HEAVY LINE SHO

21、WS MAIN SIGNAL PATH SPEAKER BUS 47K-1W TO +54 V RAIL R 533 VTL 5C4 U 504 68 p 1N4735 A 5532 10K-4 21.5K-.5W 18p 75K 47 BA 3 5 6 8 4 7 +15 V -15 V DC 2 1 6.2 V A .0022 464 .12 47-10NP C 525 U 506-B R 541 RN 501 U 506-A D 511 C 520 C 521 R 538R 536R 537 C 524 R 540 C 522 R 539 D 509 1N 4148 D 510 1N 4

22、148 1N4735 6.2 V D 513 C 526 15 p 1.5 K A 7 9 14 590 R 543 10K-2W 220-10NP R 527 C 517 R 544 27K 330K R 597 1K D SH-004101-00 2K SH-004101-00K SH4101K2.FCD TRANSFORMER CENTER TAP J 501 6-PIN MATE-LOK 3 4 6 1 2 5 F 502 F 504 F 501 F 503 C 527 .047-400A TO -108 V RAIL BR 502 TO -54 V RAIL BR 501 .047-

23、400A .047-400A.047-400A .047-400A.047-400A .047-400A.047-400A C 528 C 529C 530 C 531C 532 C 533C 534 15A-125V 15A-125V 15A-125V 15A-125V RadioFans.CN 收音机爱 好者资料库 A SPKR SIG +INPUT GND REF GND GND GND PWR-ON AUDIO INPUT STAGE HEAVY LINE SHOWS MAIN SIGNAL PATH A 470-1W 10K-2W 470-10V 470-10V 10K-2W TO

24、+15V +24 V +15 V -15 V -24 V 10-25V TO +15 V TO -15 V SPEAKER BUS 47K-1W 5K 5K 7.5K-2W N.C. N.C. N.C. N.C. PTC-60C THERMALLY CONNECTED 22-1W 2SA1302 .22-3W 2SC3281 IN5402 22-1W 4.7-1W 4.7-1W 2SA1306B 2SC3298B .10 2.7-2W D GS .10 15K 750K 750K 332 332 A 1K-4 2.7K 5532 1N5402 2uH .10 1 2 3 4 5 6 7 8 +

25、15 V -15 V A C D B HEATSINK GROUND SPEAKER BUS AUDIO OUTPUT STAGE SWITCHING THRESHOLD REFERENCE .0022 470-10V 22 FP 3K-2W 7.5V 7.5V 1N4004 .0033 1N4004 100 BIAS 25 C .01 50 OHM BIAS NETWORK SOURCE REF 12000-63V 12000-63V 12000-63V D GS 22 FP 2.7-2W.10 .22-3W 3 PL 3 PL +108 V RAIL +54 +108 V SWITCHED

26、 BUS +54 V RAIL -54 -108 V SWITCHED BUS -108 V RAIL -54 V RAIL 3 PL 3 PL SPEAKER COMMON 12000-63V SPEAKER OUTPUT NC NO TO -24 V MUR 810 MUR 810 14-PIN RIBBON 220-10NP 5.6-2W T7 T8 GATE SOURCE REF GATE DRIVER SCHMIDTT COMPARATOR LOSS-OF-SAT SHUTDOWN T9 HIGH RAIL IC-000008-00 T4 SLEWNEG SUPP T6 BOOTST

27、RAP CAP T1 REF VOLT T2 LOW RAIL T3 SHUTDOWN T5 T6 T7 GATE GATE DRIVER LOSS-OF-SAT SHUTDOWN IC-000009-00 T5 GATE PWR T4 SLEW T3 SHUTDOWN T2 LOW RAIL T1 REF VOLT SOURCE REF SCHMIDTT COMPARATOR T 6 +15 V T15 -15 V T16 PROCESSING BUFFER 50C +O.5V 90C +8V THERM ADJUST, 0.5-8.5V THERMAL SENSING T 1 T 3 GR

28、OUND MUTING INPUT CAP. TIMING CAP. T 2 RELAY DRIVER T 4 ON-OFF MUTING DELAY RELAY MUTE -24V RUN +15V MUTING BUS RUN 0V MUTE +8V SHUTDOWN MUTING IC-000010-00 MUTE BUS T 5 T 7 THERMAL SENSE, 0-8V T 8 THERMAL BUS, 0-8V T 9 OP-AMP OUT - HF PROTECTSHUTDOWN DETECTORS TO MUTING DC PROTECT SENSE T10 THERMAL

29、 LIMITING T11 IDLE -1.2V CLIP +3V PEAKS0-3Vac NORMAL AUDIO 4.5-6.5Vac CLIPPING PEAKSMUTE +4.5V LIMITING THRESHOLD +4.5V CLIP RECTIFIER-BUFFER HIGH FREQ DC RECTIFIER THERMAL T12 T13 T14 CLIP BUS OP-AMP OUT OPTOCELL T25 POSITIVE DRIVER, +0.6V IDLE T24 NEGATIVE DRIVER, -0.6V IDLE T23 POSITIVE BYPASS, +

30、7.5V NORMAL, +2.5V SHORT POSITIVE BIAS CONTROLLER T22 POSITIVE CURRENT FEEDBACK +3V PEAK T21 POS CURRENT TRIMMER T20 OUTPUT VOLTAGE FEEDBACK LOAD IMPEDANCE SENSING T19 NEGATIVE TRIMMER BIAS ENABLE NEGATIVE BIAS CONTROLLER T18 NEGATIVE CURRENT FEEDBACK, -3V PEAK T17 NEGATIVE BYPASS, -7.5V NORMAL, -2.

31、5V SHORT BIAS 680p J 602-1 J 602-2 + CURR LIM+ CURR LIM - CURR LIM- CURR LIM J 602-8 J 602-6J 602-3 J 602-4 TO Q 607 U 601 D 604 R 611Q 604 R 612C 603 D 602 K 601 C 609 C 611 VR 601 R 699 C 604 D 605 D 606 R 608 R 603 R 601 R 607 R 606 R 605 Q 602 R 604 R 602 Q 601 R 619 R 620R 621R 622 Q 608Q 609Q

32、610 D 608 Q 605Q 606Q 607 R 616R 615R 617 D 607 R 618 L 601 R 625 5.6-2W R 623 C 606 C 610 C 607 D 603 U 602 R 614 D 601 R 609 C 601 Q 603 C 608 R 610 C 605 TO RECT BR 601 TO RECT BR 602 470-1W 1N4004 3K-2W R 626 U 605-A U 605-B C 619 R 634C 623 C 612 RN 602 R 635 R 628 R 630 R 633 CLIP C 618 R 629

33、VR 602 VR 603 C 613 R 627 C 617 47-50V 47-50V C 615 C 614 U 603 C 616 R 631 J 603 R 698D 612 47K-1W TO -15V R 642 TO -24 V SCHEMATIC, EX-1600, SHEET 3, AMPLIFIER CHANNEL BSCHEMATIC, EX-1600, SHEET 3, AMPLIFIER CHANNEL B 1N4735 6.2 V 1N 4148 D 611 D 610 J 52-2 J 52-3 +23V 0N/OFF ENABLETRANSFORMER THE

34、RMAL SENSORTHERMAL BUS TO FAN SPEED CONTROLTO SHEET 1 1.5K 1.5K C 602 47-50V R 613 22K-1W 3.9-2W R 624 R 632, 47K 6 5 12 13 14 9 7 1 3 4 2 11 A 21.5K-.5W 18p 75K 47 3 2 1 .0022 464 .12 C 622 R 640 R 638 C 621 C 620 R 639 R 637 U 606-A R 641 1N 4148 1N4735 6.2 V 15 p C 626 D 613 D 609 590 A 8 4 7 +15

35、 V -15 V C 68 p A TO +54 V RAIL 47-10NP C 624 R 636 1.5 K C 625 5532 10K-4 B 5 6 D RN 601 U 606-B VTL 5C4 A U 604 27K MUTE10 8 R 643 R 644 330K R 697 1K D .047-400A TO -108 V RAIL TO -54 V RAIL .047-400A .047-400A.047-400A .047-400A.047-400A .047-400A.047-400A 15A-250V 15A-250V 15A-250V 15A-250V TRA

36、NSFORMER CENTER TAP J 601 6-PIN MATE-LOK 3 4 6 1 2 5 BR 602 C 627C 628 F 602 F 604 F 601 F 603 C 629C 630 C 631C 632 C 634C 633 BR 601 SH-004101-00 3K KSH-004101-00 SH4101K3.FCD RadioFans.CN 收音机爱 好者资料库 120 VOLT AC PCB WIRING RISK OF FIRE- REPLACE WITH FUSE AS MARKED20A 250V R901 R902 C901 901 902903

37、904905 F901 906 907908909910 911912913914915 120VAC (XFRMR BLACK) 120VAC (XFRMR BROWN) FAN 120 VAC 901 NC FANNC NC NC FANNC NC NC O V 913 914 915 904 905 906 902 903 908 909 910 911 912 230V120V100V AC HI (SW) R 901 R 902 C 901 FUSE 120V100V 100V120V 0 V 0 V 0 V 0 V THRMTHRMTHRM THRMTHRMTHRM FANFANF

38、AN PC TERMS RED ORG BLK BLK/WHT WHT BRN BRN/YEL YEL 0 Vac 100 Vac 120 Vac 0 Vac 100 Vac 120 Vac (Coil on Leg One) (Coil on Leg Two) PRIMARYSECONDARY TERM NO TERM NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 AC VOLTSLEAD COLOR LEAD COLOR GRN/WHT GRN/WHT PURP/WHT PURP/WHT SEE PARA 3.3.2 BLU BLU GRN 17 18

39、 19 WHT/RED WHT/ORG WHT/BLU WHT/BLU WHT/GRY WHT/GRN GRY SEE PARA 3.3.2 20 21 22 THRM 907 AC LO 100V100V 100V100V 120V FAN O V 120V NOT USED NOT USED NOT USED 100VAC (XFRMR BROWN/YELLOW) .010 .02 XXXXXXXXXXX XX AUDIO PRODUCTS 100 VAC (XFRMR BLACK/WHITE) SWITCH RETURN (RED) THRM OVAC (XFRMR WHITE) OVA

40、C (XFRMR YELLOW) AC LO (WHITE) RISK OF FIRE- REPLACE WITH FUSE AS MARKED20A 250V R901 R902 C901 901 902903904905 F901 906 907908909910 911912913914915 THRM SWITCH RETURN (RED) THRM OVAC (XFRMR WHITE) OVAC (XFRMR YELLOW) AC LO (WHITE) RISK OF FIRE- REPLACE WITH FUSE AS MARKED20A 250V R901 R902 C901 9

41、01 902903904905 F901 906 907908909910 911912913914915 100 VAC (XFRMR BLACK/WHITE) SWITCH RETURN (RED) THRM AC LO (WHITE) 100 VOLT AC PCB WIRING FAN N.C. N.C. N.C. 100VAC (XFRMR BLK/WHT) 100VAC (XFRMR BRN/YEL) 230 VOLT AC PCB WIRING FAN 0 VAC WHITE 120VAC (XFRMR BROWN) 100VAC (XFRMR BROWN/YELLOW) THR

42、M FAN N.C. N.C. 120VAC (XFRMR BLACK) N.C. OVAC (XFRMR YELLOW) FANFAN 1 OHM COLD SEE TABLE .068 250 VAC 1.2K-5W FUSE VALUES 1600 1250 800 1500 2000 2 CHANS PER CHAN. 15A30A30A 12A30A30A? 12A20A20A 15A30A30A 12A20A20A POWER TRANSFORMER XF-001510-00 SCHEMATIC/WIRING DIAGRAM EX/MX 2 SPACE AMPS SH-004103

43、-00 NONE 120V 120V NC NC 120VAC (XFRMR BLACK) 120VAC (XFRMR BROWN) RadioFans.CN 收音机爱 好者资料库 913 914 915 904 905 906 902 903 910 911 912 PC TERMS THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION WHICH IS THE PROPERTY OF QSC AUDIO PRODUCTS , THAT MAY NOT BE DISCLOSED, REPRODUCED OR USED WITHOUT EXPRESS W

44、RITTEN CONSENT FROM QSC AUDIO PRODUCTS. REVISIONS ZONEREV DESCRIPTION DATE APPROVED SIZE FSCM NO.DWG NO.REV SHEET SCALE COSTA MESA, CALIFORNIA FINISH MATERIAL CONTRACT NO. APPROVALS DRAWN CHECKED ISSUED DO NOT SCALE DRAWING PARTS LIST DATE CAD FILE NO. APPLICATION USED ONNEXT ASSY NOTES: UNLESS OTHE

45、RWISE SPECIFIED TOLERANCES ARE: DECIMALS ANGLESDECIMALS DIMENSIONS PER ANSI Y14.5-1982 UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. -+ O -+-+ .XX.XXX DEBURR EDGES .XXX R MAX C AUDIO PRODUCTS, INC. 1234 1234 D C A B D C A B CAD SEED FILE NO. SH-004103-00 1 OF 1NONE SCHEMATIC, PROD RELEASE PER

46、 ECO 1846 AC PCB EX/MXa 2 SP. PC-004103-00EX/MXa 2 SP. LG. C C SH4103C1.FCD 1. SH-004100-00, SH-004100-01, SH-004101-00, SH-004101-01, SH-004101-02, SH-001010-00, SH-001011-00, SH-001510-00, AND SH-001511-00 THIS DRAWING USED IN CONJUCTION WITH SCHEMATIC DIAGRAMS 908 FUSE SEE 901 AC HI (SW) R 901 R

47、902 C 901 AC LO .068 250 VAC 909 LEORA5-13-93 FUSE 20A 250V 20A 250V 12A 250V 20A 250V 20A 250V 15A 250V 30A 125V 30A 125V 20A 250V 12A 250V 30A 125V 30A 125V 15A 250V 12A 250V R 902 1.2K 5W 1.2K 5W 1.2K 5W 1.2K 5W 1.2K 5W 1.2K 5W TABULATION BLOCK F901 F901 907 MODEL (V) EX 800 (100V) EX 800 (120V)

48、EX 800 (230V) EX 1250 (100V) EX 1250 (120V) EX 1250 (230V) EX 1600 (100V) EX 1600 (120V) EX 1600 (230V) MX 1000a (100V) MX 1000a (120V) MX 1000a (230V) MX 1500a (100V) MX 1500a (120V) MX 1500a (230V) 20A 250V R 901 1.0 OHM 30 A 1.0 OHM 30 A 2.5 OHM 15 A 2.5 OHM 15 A 2.5 OHM 15 A 1.0 OHM 30 A 1.0 OHM

49、 30 A 1.0 OHM 30 A 1.0 HOM 30 A 1.0 OHM 30 A 1.0 OHM 30 A 2.5 OHM 15 A 1.0 OHM 30 A 1.0 OHM 30 A 2.5 OHM 15 A TAB BLK SEE TAB BLK SEE TAB BLK RadioFans.CN 收音机爱 好者资料库 SIG. GND + INPUT - INPUT 1K THERM BUS, 0-8V PWR-ON, 0-15V 10uF + 2N4410 PWR GND SPKR SIGNAL, 5V PK CLIP-LIM BUS, 0-4V MUTE BUS, 0-8V 5532 10K 100p 100p 1.5K REG. -15V SIG. GND SIG. GND + INPUT - INPUT THERM BUS, 0-8V PWR-ON, 0-15V SPKR SIGNAL, 5V PK CLIP-LIM BUS, 0-4V MUTE BUS, 0-8V SIG. GND PWR GND C101 RN101 10K D(C) 10K B 10K C(D) 10K A C102 R102 U101 B 4 8 5 6 7 1 2 3 5 VR101 11 23 19 15 21