Yorkville MM4 Powered Mixer Service Manual 电路图.pdf

《Yorkville MM4 Powered Mixer Service Manual 电路图.pdf》由会员分享，可在线阅读，更多相关《Yorkville MM4 Powered Mixer Service Manual 电路图.pdf（10页珍藏版）》请在收音机爱好者资料库上搜索。

1、U.S.A. Yorkville Sound Inc. 4625 Witmer Industrial Estate Niagara Falls, New York 14305 USA Voice: (716) 297-2920 Fax: (716) 297-3689 WORLD HEADQUARTERS WEB ACCESS: CANADA Yorkville Sound 550 Granite Court Pickering, Ontario L1W-3Y8 CANADA Voice: (905) 837-8481 Fax: (905) 837-8746 Quality and Innova

2、tion Since 1963 Printed in Canada s-mm4-1v1.pdf 09/05/00 SERVICE MANUAL 1. Parts List (Current Model) 2. M500 Input Board M500 Schematic M500 PCB Layout 3. M1098 Power Amp Board M1098 Schematic M1098 PCB Layout 4. M520 Power Amp Board (older version) M520 Schematic M520 PCB Layout 5. M478 Power Amp

3、Board (older version) M478 Schematic M478 PCB Layout 6. Contact Information RadioFans.CN 收音机爱 好者资料库 MM-4 Parts List 3/20/00 YS #DescriptionQty.YS #DescriptionQty.YS #DescriptionQty. 5906 RED 3MM LED 1V9 20MA .4SPCER T&R13827 SQUARE BUMPER BUTTON BLACK38843 10-32 X 1 1/8 FLAT PH MS JS5002 6405 RED 3M

4、M LED 1V7 5MA BRT13484 8 3/18 SJT AC LINE CORD 250WH187BL18770 1/4-20 X 1 5/16 TRUSS PH MS JS5004 5908 GRN 3MM LED 1V9 20MA .4SPCER T&R13834 HEYCO #1214 STRAIN RELIEF18765 1/4-20 X 2 1/2 HEX HD MS JS500 BLK1 6408 GRN 3MM LED 1V9 5MA FROSTED13521 SIDE ENTRY PCB CONN .156 8POS18607 3/16 NYLON SPACER O

5、D 1/8 X ID .0638 6825 1N4148 75V 0A45 DIODE T&R243538 24 PIN BREAKAWAY LOCK .1560.3333739 CUSTOM .4 LED SPACER2 6438 1N4004 400V 1A0 DIODE T&R23676 8 CIR CABLE HOLDER .09828664 4-40 X O.5 SWAGE SPACER (ROUND)1 6827 1N5402 200V 3A0 DIODE28793 4-40 HEX NUT ZINC28667 SHOULDER WASHER SWS-229 LENGTH 1/82

6、 6434 6A2 200V 6A0 DIODE48800 6-32 KEPS NUT ZINC28818 3/4 OD X 5/16 ID X .08 THICK WASHER2 6733 BAT85 30V 0A2 DIODE SCHTKYT&R28788 1/4-20 KEPS NUT ZINC13698 SPST ROKR SW QUIK 180 AC PWR BL/BL1 6824 1N5246B 16V0 0W5 ZENER 5% T&R48890 1/4-20 CAGE NUT C798814202741398 125VAC 62VSEC TRD1 6463 1N5251BRL

7、22V0 0W5 ZENER 5% T&R13797 TO-247 THERMO CONDUCTIVE PAD2 5101 BC550C TO92 NPN TRAN T&R TB33830 TO218 PREGREASED MICA 56-78-2AP2 5102 BC560C TO92 PNP TRAN T&R TB23846 TO220 THERMO PAD LARGE HOLE 56359B2 5103 MPSA06 TO92 NPN TRAN T&R TA14597 22AWG STRAN TC WIR JMP33 5104 MPSA56 TO92 PNP TRAN T&R TA145

8、99 22AWG SOLID SC WIR T&R JMP44 6780 MPSA56 TO92 PNP TRAN TA15299 24AWG SOLID SC WIR RAD JMP5 5105 MPSA13 TO92 NPN DARL T&R TA14749 5.0W 0R15 5% BLK RES2 5119 2N5638 TO92 NCH JFET T&R TC14748 2.0W 3R9 5% T&R1 6810 MJF15030 T221D NPN TRAN TJ14686 1.0W 10R 5%FLAME PROOF T&R RES1 6811 MJF15031 T221D PN

9、P TRAN TJ14875 1/4W 10R 5% T&R RES2 6814 MJF6668 T221D PNP TRAN DARL TJ14816 1/4W 33R 5% T&R RES3 6815 MJF6388 T221D NPN TRAN DARL TJ14995 1/4W 33R2 1%FLAME PROOF T&R RES2 6988 MJL21194 TO3P NPN TRAN TK14604 1/4W 33R2 1% T&R RES2 6991 MJL21193 TO3P PNP TRAN TK14811 1/4W 68R 5% T&R RES1 6840 MC33078P

10、 IC DUAL OP AMP14735 1.0W 100R 5% T&R RES2 6882 TL072CP IC FET DUAL OP AMP34852 1/4W 100R 5% T&R RES4 6884 NE5532N IC DUAL OP AMP34987 1/4W 120R 5%MINI T&R RES1 6880 4N35 OPTO-COUPLER14859 1/4W 150R 5% T&R RES2 6467 10K 10% THERMISTOR NTC TO-9214770 1/4W 249R 1% T&R RES8 5404 _27P 100V 10%CAP T&R BE

11、AD NPO24945 1/4W 270R 5% .2U T&R RES1 5203 _47P 100V 2%CAP T&R RAD CER.2NPO14780 1/8W 274R 1%FLAME PROOF T&R RES2 5408 _47P 100V 10%CAP T&R BEAD NPO24950 1/4W 390R 5% .2U T&R RES3 5410 100P 100V 10%CAP T&R BEAD NPO14821 1/4W 470R 5% T&R RES3 5422 _1N 50V 10%CAP T&R BEAD NPO104799 1/4W 562R 1% T&R RE

12、S8 5423 _1N2 50V 10%CAP T&R BEAD X7R14891 1/4W 620R 5% T&R RES1 6451 _4N7 250V 20%CAP BLK Y 10MM AC14781 1/8W 681R 1%FLAME PROOF T&R RES1 5204 _10N 100V 10%CAP T&R RAD .2FLM24869 1/4W 750R 5% T&R RES1 5302 _15N 50V 10%CAP T&R BEAD X7R14758 1/4W 953R 1% T&R RES1 6435 _22N 275V 20%CAP BLK X2 15MM AC14

13、823 1/4W 1K 5% T&R RES2 5228 100N 100V 5%CAP T&R RAD .2FLM54824 1/4W 1K5 5% T&R RES1 5314 100N 50V 10%CAP T&R BEAD X7R124808 1/4W 2K 5% T&R RES2 5231 220N 63V 10%CAP T&R RAD .2FLM14705 2.0W 2K2 5% BLK RES2 5255 _1U 63V 20%CAP T&R RAD .2EL14847 1/4W 2K2 5% T&R RES3 5257 _2U2 63V 20%CAP T&R RAD .2EL24

14、826 1/4W 3K3 5% T&R RES1 5282 _10U 16V 20%CAP T&R 5X7MM .2NP14774 1/4W 4K12 1% T&R RES3 5885 _10U 100V 20%CAP T&R AXIAL EL24827 1/4W 4K7 5% T&R RES5 5961 _33U 16V 20%CAP T&R RAD .2NP54639 1/4W 4K99 1% T&R RES12 5627 _47U 10V 20%CAP BLK RAD NP24778 1/4W 5K36 1% T&R RES1 5267 100U 25V 20%CAP T&R RAD .

15、2EL54828 1/4W 6K8 5% T&R RES2 5630 330U 25V 20%CAP BLK 10X13MM EL14787 1/4W 7K960 0.1% * T&R RES1 5869 4700U 63V 20%CAP BLK 25X40MM ELS24829 1/4W 10K 5% T&R RES3 4566 _10K B LIN 9MM P2524983 1/4W 10K 5%MINI T&R RES1 4567 _20K 5C R/A 9MM P2544953 1/4W 12K 5% .2U T&R RES1 4568 _50K B LIN 9MM P2524830

16、1/4W 15K 5% T&R RES2 4522 _4K7 TRIM POT16123 1/4W 20K0 1%MINI MF T&R RES1 3819 _5UH COIL 18AWG R000 AIR CORE14902 1/4W 24K 5% T&R RES1 8674 R385 PLASTIC CORNER W TREAD86122 1/4W 33K 5%MINI T&R RES1 3478 CLIP 205/187X032 18-22AWG DISCO/INS24868 1/4W 36K 5% T&R RES1 3489 CLIP 250X032 18-22AWG DISCO/IN

17、SL14794 1/4W 37K90 0.1% * T&R RES1 3491 CLIP 205/187X020 18-22AWG DISCO/INS14834 1/4W 47K 5% T&R RES12 3682 250 MALE PCB TAB BULK CARTRIGE74837 1/4W 82K 5% T&R RES6 3498 1/4 JCK PCB MT HORZ54942 1/4W 100K 5% .2U T&R RES1 3523 1/4 JCK PCB MT HORZ GOLD T_16120 1/4W 100K 5%MINI T&R RES1 3460 RCA DUAL P

18、CB MT VERT GOLD .47524839 1/4W 150K 5% T&R RES2 3650 XLR ADPT PCB MT44841 1/4W 220K 5% T&R RES1 3659 XLR FEML PLASTIC46135 1/4W 270K 5%MINI T&R RES1 3451 EYELET SMALL 0.089 OD PLATED184845 1/4W 2M2 5% T&R RES1 3412 LOWPROFILE FUSEHOLDER 1/4 H34560113610 10 9C-26AWG RIB 3/4 NOTCH 0.11 3414 INTERNATIO

19、NAL PC MOUNT FUSEHOLDER49010 16GA COLD ROLLED STEEL 4X8 SHEET2.56 2407 2.5 AMP SLO-BLO .25X1.25 FUSE19065 14GA SATINCOAT STEEL 4X8 SHEET0.25 2409 6.0 AMP FAST-BLO .25X1.25 FUSE29565 MM-6/SR-300 RAW HEATSINK0.25 8458 10.5 STRAP HANDLE, PLASTIC COVERS19811 3/4X4X8 SPRUCE STAN. SHEATING3.59 8604 10-32

20、T NUT28865 4-40 X 5/16 PAN PH MS JS5001 3501 B52200F006 COMP WASH #4 SMALL28741 4-40 X 1/2 PAN PH MS JS5002 3745 DUAL XSISTOR PBL SPRING PLATE ZN18842 #4 X 5/16 PAN QUAD TYPE A JS500 BLK4 3806 RECTANGULAR WASHER FOR TRANS SUPPRT28801 6-32 X 3/8 PAN PH TAPTITE JS50010 3885 XSISTOR SPRING CLIP TO-2202

21、8824 8-32 X 5/16 PAN QUAD TAPTITE JS5007 3495 1/8 HEATSHRINK POLYOLEFIN0.0158802 8-32 X 3/8 PAN QUAD TPTTE JS5008 3795 #8 GROUND LUG ZIERICK 505-16918785 #8 X 3/4 OVAL PH TYPE A BLACK OXIDE32 3810 4 NYLON CABLE TIE38781 #10 X 7/8 FLAT PHIL TYPE A JS500BLK2 RadioFans.CN 收音机爱 好者资料库 P25 STYLE RED LD1 1

22、/2 5532 U5 2 3 1 1/2 5532 U3A 2 3 1 1K R15 100R R9C CW GAIN 20K 05CP1C 82K R10C 100u 16V C4C 47K R11A 100n C2 1/2 TL072 U4A 2 3 1 100n C4 16v 33u C3C 16v 33u C3A 100n C3 100n C15 47K R11C RCA UNBAL-I/P RCA UNBAL-I/P 100n C14 YORKVILLENAME:PCB#&VER: MODELS:SCH ISSUE: TITLE: DATE: M500 MICROMIX_MM-4 M

23、500.SCH JUN/17/99 4_CHANNEL_MIXER 7.10 100n C16 100u 16V C4A 82K R10A 4K99 R7C 249R R4C INPUT MIC JB1C 1 3 2 D4 CW GAIN 20K 05CP1A 100R R9A 249R R3C 562R R5C 1n C12 82K R19 15n C11 1/2 5532 U5 6 5 7 47p C7 47K R20 CW 10K B1P5 CW 50K B1P4 CW 50K B1P3 2K2 R23 3K3 R21 4K7 R17 1K R24 6K8 R22 2K2 R18 33K

24、 R2C 33K R1C 562R R6C 4K99 R8C 47K R14 47u C1 47u C9 4K7 R12A 4K7 R12C 4K7 R12B 4K7 R12D CW 10K B1P2 6K8 R13 47p C8 1/2 TL072 U6 6 5 7 10K R26 10K R30 2K R27 2K R32 SRT GOLD JB41 2 3 4 5 6 150K R33 47K R31 36K R16 1n C1C 100n C10 1/2 5532 U1A 2 3 1 SRT JB31 2 3 4 5 6 24K R25 620R R28 470R R29 47K R1

25、1B 4K99 R2A 47K R11D 4K99 R1A 1n C2A MPSA13 Q1 1n C1A 100n C5 1n C2B 4K99 R8A D1 82K R36 D2 D5D D5 220K R37 E B C MPSA13 D5B 100n C6 562R R6A 100n C19 D5A D5C D3 4K99 R7A 249R R4A INPUT MIC JB1A 1 3 2 SRT LINE_IN NO_GOLD JB2A1 2 3 4 5 6 249R R3A 562R R5A 100n C13 16V10u C20 10u 10V C24 10u 25v C23 1

26、50K R35 27p C22 47K R34 27p C21 1/2 TL072 U2A 2 3 1 GREEN LD2 1K8 R47 1/2 TL072 U6 2 3 1 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 #DESCRIPTION OF CHANGEVER#DATE MODEL(S):- JUN/03/99 MAR/23/99 . . OCT/23/95 . NOV/18/94 . OCT/17/94 JUN/27/94 V 7.00 6.10 . . 6.00 . 5.60 . 5.50

27、5.40 N CLIP_CIRCUIT_CHANGED I/P_CIRCUIT_CHANGED_SAME_AS_M522 . . . . PC#4704 . PC#4653 PC#4637 MM-4 M500.SCH_DATABASE_HISTORY IG IG +15V SG SG SG SG SG SGSG SG SG SG SGSG V+ V+ V- V- HI LO MID 10K-4K7 U5 TL072-5532 MASTER VOLUME 50K-10K R12A,B,C,D7.10JUN/17/99 CLIP pin 4 and pin 8 of the 5532 RFI re

28、jection. This is for XLR ground. and that channels channel between placed on each These caps are 0dB -40 0dB 1.2V TO MATE WITH M1098 REMOVED AND EXTRA OP AMP ADDED ALL POWER SUPPLY COMPONENTS RCA JACKS. REPLACE CHAN 3 PHONE JACK WITH CAPS AND THERMAL BREAKER REMOVED AC SECONDARY FUSES, AC R25 FROM 6

29、2K TO 24K 1.3V +V ON LED POWER AMP-REF AMP-IN -15V +15V CONNECTED TO CHANNEL 2 OUTPUT GND GAINS AT MAXIMUM 1K Hz I/P WITH TONE CONTROLS FLAT = AC VOLTAGES WITH 1.3V 1.3V TIP ALL UNMARKED DIODES ARE IN4148NOTE: R10C R10DCONNECTED TO CHANNEL 4 OUTPUT MASTER VOL. AMP. TO POWER EFX LOOP LED CLIP EFX RET

30、URNEFX SEND U:M500V71.PRN RadioFans.CN 收音机爱 好者资料库 SHEARSHEAR SHEARSHEAR VCD .020 .012 .008 .005 .020 .012 .008 .005 SHEARSHEAR SHEARSHEAR SG AMP-REF. AMP-IN +15V -15V CLP2 SOLDERSIDE M500-9.00 M500-9.00 B C DRILL DET. M500-9.00 JB2A FUNCTION #3650 JB2B FUNCTION #3650 JB2D FUNCTION #3650 JB2C FUNCTIO

31、N #3650 J42 JB1B LINE_IN JB1A LINE_IN JB3 EFX_SEND JB4 EFK_RET GOLD_T C2D1N R4D249R R8D4K99 C1D1N R1D 47K R10C82K J43 R5C562R R151K R2D 47K R9A 100R R2A 4K99 J48 R4A249R R3A249R R6A 562R R5A 562R R1A 4K99 R7A 4K99 C4C 100U 25V R5B 562R R6B 562R R10B82K R7B4K99 R1636K R11A47K R13 6K8 C3 100N R6C562R

32、R7D4K99 R1447K R25 24K J37 J57 R11C47K J36 R9D 100R C2B1N R4B249R R3B249R R12A4K7 R8A 4K99 R10A 82K R19 82K R20 47K R23 2K2 R21 3K3 R174K7 R22 6K8 R18 2K2 R272K R2610K R3010K R29470R R28620R R31 47K R471K5 J10 J11 J12 J7 J8 J9 J4 J13 J5 J6 J1 J2 J3 J14 J15 J16 J17 J18 J19 C2A 1N C3B 33u 16V D5C 4148

33、 C6100N R3D249R R9C100RR7C4K99 C14100N C847P C10100N C13100N C12 1N C11 15N C747P R11B 47K C3D 33u 16V C4D 100U 25V C5100N R5D562R R11D 47K C2C 1N J54 C1C 1N R4C249R R8B4K99 R3C249R D34148 D44148 J39 D2 4148 D14148 J62 R35 150K C9 47U 10V C1 47U 10V R6D562R R2B 4K99 J45 R10D 82K Q1 MPSA13 C1A 1N WHT

34、RED #3460 R12B4K7 P25 STYLE R9B 100R 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 #DESCRIPTION OF CHANGEVER#DATE MODEL(S):- D D D . JUN/17/99 JUN/08/99 . MAR/31/99 . OCT/31/95 OCT/11/95 . JUN/15/95 . NOV/17/94 . OCT/17/94 JUN/27/94 . JUN/23/94 V V V . . 9.00 . 8.00 . . 7.10 . 7.00 . 6.30 . 6.2

35、0 6.10 . 6.00 N N N 50K-10K_U5_TL072-5532 R12A,B,C,D_10K-4K7_MASTER_VOLUME PC#_CLIP_CIRCUIT_REDONE CIRCUIT_ALTERED_SAME_AS_MM6 PC#_POT_STYLE_CHANGED_INPUT EXTRA_GAIN_NEEDED_FOR_M1098 U4_TL071-TL072_OP_AMP_ADDED_FOR MOLEX_MOVED_AT_REQUEST_OF_B.A. REMOVED_TO_MATE_WITH_M1098_PWR_AMP PC#4822_ALL_POWER_S

36、UPPLY_COMPONENTS BY_RCA_JACK PC#4704_CHAN_3_PHONE_JACK_REPLACED AND_AC_CAPS PC#4663_REMOVED_AC_SECONDARY_FUSES PC#4637_R25_FROM_62K-24K NEW_POWER_PCB_M520 POWER_SUPPLY_COMPONENTS_ADDED_FOR MM4 M500.PCB_DATABASE_HISTORY C4A 100U 25V LD2 SP G R24 1K J28 R3682K D54148 J24 J27 U5 5532 D5B 4148 R322K C2

37、100N C16 100N P3 50K TAPER PART#4568 BASS J61 J33 J32 J31 J25 J34 C3C 33u 16V J58 J35 R8C 4K99 R1B 4K99 J38 J22 J23 J26 J52 C4B 100U 25V R33 150K TJH1 TJH2 J29 WC1 WC3. WC3 J53 KNOBPART#FUNCTIONREF MODEL(S):- AS_OF CHAN1_GAIN CHAN2_GAIN CHAN3_GAIN CHAN4_GAIN MASTER BASS MID TREBLE F F F F #8704 #870

38、4 #8704 #8704 #8703 #8705 #8705 #8705 K K K K JAN/2000 . . . . . . . N N N N #4567 #4567 #4567 #4567 #4566 #4568 #4568 #4566 P P P P P1A P1B P1C P1D P2 P3 P4 P5 R R R R MM-4 M500.PCB_POT_LIST J44 J56 U4TL072U35532 J59 J40 D5D 4148 U1 5532 J41 J51 WC2 C3A 33u 16V P4 50K 1B PART#4568 MID P5 10K 1B PAR

39、T#4566 TREBLE P2 10K 1B PART#4566 MASTER P1D 20K TAPER PART#4567 GAIN P1C 20K . PART#4567 GAIN P1B 20K . PART#4567 GAIN U6 TL072 WHTRED #3460 J60 J50 C21 27P J55 C19100N C20 16V 10u C2227P C15 100N J21 C23 10U 100V C24 10U 100V R12D 4K7 U2 TL072 R3447K 1 3676 MX1. 3610 8POS.RT.ANGLE_MOLEX #3521 TO_M

40、1098 P1A 20K . PART#4567 GAIN LD1 SP R C4100N C1B1N D5A 4148 PART# R2C 47K R1C 47K PART# WC2. R12C4K7 R37220K GUIDE ETCH GUIDE ETCH SG AMP-REF. AMP-IN +15V -15V 6 1/2 BLACK 4 1/2 BLACK 4 1/2 BLACK GREEN WIRE M500 PRODUCTION NOTES 4 1/2 YELLOW 4 1/2 YELLOW PT#8664PT#8664 VER 9.00 M500 -15V +15V GND S

41、IG_GND SIG_OUT P:500V90.PRN YORKVILLENAME:PCB#&VER: MODELS:SCH ISSUE: TITLE: DATE: M1098 MM-4_MM-4CE M1098 AUG/31/00 AMPLIFIER_150W 1.70 TB6 TB5 TB7 MJE15030 Q8 WC5 2u2 63V C3 1n2 C12 MJ15031 Q10 MJL21193 Q9 MJL21194 Q11 33R R29 1n C11 100K R5 100K R6 33R R46 270K R50 SRT 150W/4R OUTPUT JB11 2 3 4 5

42、 6 3R9 2W R38 16V 1N5246A D8 BC560 Q6 16V 1N5246A D9 D16 270R R14 SRT 150W/4R OUTPUT JB21 2 3 4 5 6 D15 D2 A C NC E C B 4N35 U2 1 2 34 5 6 0R15 5W R31 0R15 5W R33 1/2 33078 U1 6 5 7 20K R12 D13 D1 MPSA56 Q5 D14 68R R36 100p C9 1N5402 D11 1N5402 D12 390R R13 D17 150R R27 150R R28 100n C4 100n C5 MPSA

43、06 Q4 750R R15BAT85 D3 1 5uHL1 220n C8 BC560 Q1 47pF C2 1/2 33078 U1 2 3 1 7K96 R3 681R R4 4K12/0.1% R1 10R 1W R37 4K12/1% R25 4K12/1% R26 33R2 R21 274R R20 274R R23 33R2 R24 BC550 Q7 5K36 R18 4148 D5 4148 D6 BC550 Q2 330u 25V C6 100u 25V C7 2K2 2W R30 2K2 2W R35 4148 D7 4148 D10 BAT85 D4 MPSA56 Q3

44、390R R10 10K R8 12K R11 33u16V C1 CW 4K7 A R9 120R R19 TB2 TB3 TB1 TB4 2 25V 2u2 C21 D25 2M2 R43 25V 2u2 C20 10K R42 22V 5251B D24 CSA 4n7 C22 CSA 22n C23 2.5A-SB F3SW1 6A-FB F2 6A-FB F1 4004 D22 4004 D23 2K2 R41 63V 4700u C19 63V 4700u C18 PX6A02 D20 PX6A02 D21 PX6A02 D19 60Hz 150VA #1396 T1 PX6A02

45、 D18 470R R40 100n C16 15K R34 100n C15 16V 500mW D27 16V 500mW D26 MJF6388 Q12 15K R32 MJF6668 Q13 100R 1W R17 100R 1W R16 100n C14 470R R39 2N5638 Q14 953R R44 37K9 R2 3 TP 100n C17 WC2. 10R R47 MJL21194 MJL21193 ECB WC3 B C E MJE15031 MJE15030 WC1. EBC BC560 WC1 EBC BC550 WC2 MJF6668 ECB MJF6388

46、ECB D S G 2N5638 E B C MPS-A56/A06 BC550 Q15 C23 680n C22 4n7 T1.6A F6,3A F1. F6,3A F2. 4148 D29 390R R45 4148 D28 10R R49 33R R48 PT#1398E 230/245VAC 50Hz 177VA 10N C10 10N C24 10 9 8 7 6 5 4 3 2 1 #DESCRIPTION OF CHANGEVER#DATE MODEL(S):- AUG/31/00 JUN/08/00 MAR/08/99 . JAN/11/99 JUN/04/98 D FEB/1

47、2/96 . JUL/05/95 1.70 1.60 1.50 . 1.40 1.30 . 1.20 . 1.10 PC#6205_NA-XFMR_#1298-#1396 NA_FUSE_3A-SB-2.5A_SB ADD_D30 Q15 THERMISTOR_100K-10K_ADD_R50,R51, CE_XFMR_1298E-1398E_TOROID . . . . MM-4 M1098.SCH_DATABASE_HISTORY 33K R51 4148 D30 T 10KRT1 TLP62_OPTOLED -15V-15V -15V CLP2 +16V_BAT +16V_BAT -16

48、V_BAT -16V_BAT +15V +15V +15V +15V AGND AGND AGND AGND AGND AGND AGND AGND AGND AGND AGND AGND AGND AGND +45.5V +45.5V +45.5V -45.5V -45.5V -45.5V AMP-IN CORRECT AC CAP PC#4971 ADD BATTERY BYPASS CIRCUIT PC#4850/4851 DELETE R7, C13, R19 510R TO 120R ADD D26,D27,R45 BRN/BLK BRN BLUE 230V 245V CONNECT TO M500 (35.5VAC) (35.5VAC) PIN 4 U1 PIN 8 U1 EXPORT AC PRIMARY PT#