McIntosh-MC303-pwr-sm 维修电路原理图.pdf

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1、MC303MC303POWERAMPLIFIERSERVICE MANUALSERIAL NO. ZH1001 And AbovePerformance Specifications .2Notes .2Rear Panel .3Section Location .4Block Diagram .5Interconnection Diagram .7 - 8Backup Power Suppy Schematic and PCB .9 - 12Control Schematic and PCB .13 - 16Input Channel 1-2 Schematic and PCB .17 -

2、20Input Channel 3 Schematic and PCB .21 - 24Capacitor Schematic and PCB .25 - 28Heatsink Schematic and PCB .29 - 34Terminal Schematic and PCB .35 - 38Display Schematic and PCB.39 - 44Meter Control Schematic and PCB .45 - 46Meter Light Schematic and PCB .47 - 48Parts List .51 - 55Repacking Instructio

3、n .57CONTENTSRadioFans.CN 收音机爱 好者资料库21. Unless otherwise noted, all voltages indicated on the schematics are measured under the following conditions: a. AC input at rated voltage marked on rear panel. b. All voltages are +/-10% with respect to ground. A high impedance (10 megaohm) voltmeter must be

4、used.2.Unlessotherwisespecified: a. Resistor values are in ohms. b. Capacitor values are microfarads (uF). c. Inductor values are in microhenries (uH)3. On PC board drawings, Square pad indicates: a. Polarized Capacitors - Positive b. Diodes - Cathode c. Others - Pin 14. WARNING Parts marked with th

5、e symbol have critical characteristics. Use only replacement parts recom- mended by the manufacturer.NOTESPERFORMANCE SPECIFICATIONSSpecifications Power OutputMinimum sine wave continuous average power output per channel, all channels operating:300 watts into a 2 ohm, 4 ohm or 8 ohm loadOutput Load

6、Impedance2, 4 or 8 ohms Rated Power Band20Hz to 20,000HzTotal Harmonic Distortion0.005% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20,000HzDynamic Headroom1.8dBFrequency Response+0, -0.25dB from 20Hz to 20,000Hz+0, -3dB from 10Hz to 100,000HzInput Sens

7、itivity (for rated output)1.7 Volt Unbalanced3.4 Volt BalancedSignal To Noise Ratio (A-Weighted)112dB below rated outputIntermodulation Distortion0.005% maximum, if the instantaneous peak power output does not exceed twice the rated power output for any com-bination of frequencies from 20Hz to 20,00

8、0Hz.Wide Band Damping FactorGreater than 40Input Impedance10,000 ohmsPower GuardLess than 2% THD with up to 14dB overdrive at 1,000HzPower Control Input5VDC - 12VDCPower Control Output12VDC, 25mA maximum, delay 0.2 secondsPower Requirements100 Volts, 50/60Hz at 12 Amps110 Volts, 50/60Hz at 11 Amps12

9、0 Volts, 50/60Hz at 10 Amps220 Volts, 50/60Hz at 6 Amps230 Volts, 50/60Hz at 6 Amps240 Volts, 50/60Hz at 6 AmpsStandby: Less than 1 wattNote: Refer to the rear panel of the MC303 for the correct voltage.Overall DimensionsWidth is 17-3/4 inches (45.09cm)Height is 12-3/8 inches (31.43cm) including fee

10、tDepth is 22 inches (55.88cm) including the Front Panel and CablesWeight155 pounds (70.3 kg) net, 180 pounds (81.6 kg) in shipping cartonShipping Carton DimensionsWidth is 31 inches (78.74cm)Depth is 28 inches (71.12cm)Height is 17-1/4 inches (43.82cm)RadioFans.CN 收音机爱 好者资料库MC303REAR PANEL34SECTION

11、LOCATIONSMC303BLOCK DIAGRAM56NOTESPOWER AMPLIFIERMC303MT3GNDMT3 GRNMT3 BLUGNDJ1112J12112GNDMT2 GRNMT2 BLUGNDJ1112J11112GNDMT1 GRNMT1 BLUGNDJ1112J10112+-MT2PG2 LTGNDPG3 LTPG1 LTMT3 LTMT2 LTMT1 LTJ9J8118PG2 LTPG COMPG COMPG COMPG3 LTPG1 LTMT3 LTMT2 LTMT1 LT118GNDGNDGNDGNDGNDPG COMPG COMPG COMMT1 FB+MT

12、1 FB+MT1 FB-MT1 FB-MT2 FB+MT2 FB+MT2 FB-MT2 FB-MT3 FB+MT3 FB+MT3 FB-MT3 FB-MT112313J15+3V12MT3 | +|J13+3V12MT1 | +|J14+3V12MT2 | +|METER LIGHTSOFFSW 1AUTOPOWER CONTROLOFFSW 2REMONFP OFFFP ONGNDJ4J7GNDML OFFJ6112J11121J16PGTHRMMETMUTE-15V+15V1J361J2-15V+15V6MUTEMETTHRMPG-15VFP ONGNDFP OFFMET LTMUTEIL

13、LUMJ5118PWR RLYGND+15V+15V+5VBUGNDGND-15V-15V+5VBU+15VGND+5V+5VGNDPWR RLYPWR RLYGNDGNDGND+5V+5V+5VGND+5V+5VGNDPWR RLYPWR RLYGNDGNDGND+5V+5V+5V118-15VFP ONGNDFP OFFMET LTMUTEILLUMPWR RLYGND+15V+15V+5VBUGNDGND-15V-15V+5VBU+15VJ14J15J11J22J10J13J12J21WHT/VIOORNBLKVIOGRYWHTORNBLK/GRYJ8J9J4J3J6J5J1J2BLKW

14、HTBLKF1J5J4J6BLUGRNBLUT4C1REDREDD1J4J5REDGRNJ6YELJ712-75V+75VJ3-75V+75VJ2-75V+75VJ1-75V+75V12-75V+75VJ512-75V+75VJ5J81J951J3-15V+15V6MUTEMETTHRMPG1J28 Ohm42 Ohm1J14-15V+15VAMPGNDJ6J7J4VIOWHT1-15V+15V6MUTEMETTHRMPG8 Ohm2 Ohm-15V+15VAMPGNDJ6J7J4VIOWHT1J74-15V+15VAMPGND1J64AMPGND1J648 Ohm2 OhmJ5J1J2J3J

15、4BLKBLUREDORN1J648 Ohm2 OhmJ5J1J2J3J4BLKBLUREDORN1J3-15V+15V6MUTEMETTHRMPG1J28 Ohm42 Ohm1J14-15V+15VAMPGNDJ6J7J4VIOWHT1J648 Ohm2 OhmJ5J1J2J3J4BLKBLUREDORN1J14AMPGND1J25PC INGNDPC METPC OUTGNDGP1GP1GP1J1-15V+15VT1T2T3+15V-15VMUTEMETTHRMPGGNDPC INPC METPC OUTGND121212J51J14J3J21411METERLIGHT11METERLIG

16、HT11METERLIGHT9DISPLAY3CONTROL2BACKUPPOWERSUPPLY7HEATSINK7HEATSINK7HEATSINK4INPUTCH 1-25INPUTCH 38TERMINAL8TERMINAL8TERMINAL6CAPACITOR10METERCONTROLLINE VOLTAGE100V110V/120V220V230/240VF1F15AH 125VF15AH 125VT8AH 250V SBT8AH 250V SBBACKUP PCB JUMPERSJ3-J8 J4-J9J3-J6 J5-J9J4-J7J5-J6.22uFOUTPUTS 3COM28

17、4OUTPUTS 2COM284OUTPUTS 1COM28478INTERCONNECT9102BACKUP POWER SUPPLY 750975 SCH111GRYBLK/GRYBLKJ15J1J23142K2111WHTWHT/VIOVIOJ12J14J1311J10J11AC NAC FUSE100V20V100V20V1J311J4J511J9J8D1POWER TRANSFORMER PRIMARY240V220V120V26841357PRIMARYT13142K1100VtRT1tRT2J713300pFC1J61J16:1J16:2+ RLY TP -TEST ONLYNO

18、 CONNECTION213IN OUTU1.47uFC3.3AtR13300uFC2PGND1ORNJ219PWR RLY1ORNJ221.82kR2312Q1PWR TRANSFORMERTHERMAL SWITCHJ23:119+5VBUGND9J23:1J23:2TO DISPLAYFROM DISPLAYJ23:12J23:3J23:4J23:5J23:6J23:7J23:8J23:9J23:10D4D5D2D3F10VJ412VPOWER AMPLIFIERMC30311122BACKUP POWER SUPPLY 750975 PCB13143CONTROL 750886 SCH

19、22.1kR347.5kR29108U1:3456U1:24.75kR6+5VBU4.75kR1+5VBUJ8:5J8:4FP ONFP OFFFROM DISPLAYPC M ETPC INJ9:3+5VBU.1uFC3TURN ONCONTROL10uFC11312GDSQ4AMP M UTINGMUTETURN ON DELAY2.21MR111uFC89108U2:31MR16.22uFC121237B+GND14U2:1+5VBU312Q1312Q2.1uFC2150kR10456U2:2121311U2:4AC DETECTOR+5VBU+5VBU.1uFC13100kR14312

20、Q922.1R29+15V+15V312Q1310kR24312Q8CONTROLOUTPUT100kR25POWER4.75kR30312Q12+15V2.21kR28.1uFC1447.5kR22-24V5PC OUTTO CH3 INPUTFROM CH3 INPUT111BLUGRNBLU1.1AtR4.047uFC1312IN OUTU43300uFC4231IN OUTU3.1uFC9100uFC7.1uFC103300uFC5100uFC6D2D3D1D4-15V+15VJ4J5J61.1AtR512HS112HS2PWR TRANSFORMER SECONDARY100kR7-

21、24V1237B+GND14U1:1121311U1:422.1kR847.5kR9+5VBUMETER LIGHTCONTROL+5VBU5GNDJ9:5J9:49PWR RLY9GND5599J8:6J8:9J8:8J8:2-15V+15V99+15V-15V+5VBU9+5VBU9METLIGHTSJ8:3J8:7J8:19MUTEMUTETO DISPLAYJ8:10J8:11J8:129ILLUMJ8:13J8:14J8:15J8:16J8:17J8:18J9:15GND5V0V0V5V-18V0V5V5V5V12V0V12V5VJ9:2-18V5V0VT4POWER AMPLIFI

22、ERMC30315163CONTROL 750886 PCB17184INPUT CH 1-2 750866 SCH7A7AGND10uFC547pFC747pFC6CH1BAL TO UNBAL AMPAMP 1TO CH1 HTSNK10uFC410kR8CH1 INPUTS657-+U1:247pFC84231S-+GJ210kR9+15V2-15V2+15V2-15V212J3221kR7221kR610kR520KR320KR47B7BGND10uFC1047pFC1247pFC11CH2BAL TO UNBAL AMPAMP 2TO CH2 HTSNK10uFC910kR15231

23、-+84B+B-U1:147pFC1310kR16221kR14221kR13CH2 INPUTS4231S-+GJ412J510kR1220KR1020KR1110uFC1.1uFC2.1uFC310R110R2.1uFC14.1uFC157A7ACH2 HTSNKFROM2.21R182.21R172.21R192.21R20J7:1J7:2J7:3J7:4J6:3J6:4GP10V0V0V0V0V0VPOWER AMPLIFIERMC30319204INPUT CH 1-2 750866 PCB21225INPUT CH3 750887 SCHFROM CONTROL3GND+15V-1

24、5V+15V2-15V27C7CGND10uFC647pFC847pFC7CH3BAL TO UNBAL AMPCH3 AMPTO CH3 HTSNK10uFC510kR8231-+84B+B-U1:147pFC910kR9+15V2-15V2221kR6221kR7CH3 INPUTS4231S-+GJ312J410kR520KR320KR4657-+U1:2100R10132J5:1465J5:2POWER CONTROLINOUT33TO CONTROL310uFC1.1uFC2.1uFC310R110R2PC METPC INPC OUT.1uFC4-15V27C7CCH3 HTSNK

25、FROM2.21R112.21R12GND3J1:1J1:2J1:3J1:4GP1J2:1J2:2J2:3J2:4J2:50V0V0VPOWER AMPLIFIERMC30323245INPUT CH 3 750887 PCB25266CAPACITOR 750986 SCHJ5J1:1J1:2J3:1J3:2J6J4J7TO CH1 HTSNK+ 75V- 75V7A7A1111REDGRNYELBLKTO CH2 HTSNK+ 75V- 75V7B7BTO CH3 HTSNK+ 75V- 75V7C7CJ2:1J2:227000uFC127000uFC327000uFC227000uFC4

26、PWR TRANSFORMER SECONDARYREDREDYEL0.22uFBRIDGE RECTIFIER!T4POWER AMPLIFIERMC30327286CAPACITOR 750986 PCB29307HEATSINK 750868/750881 SCH 1 of 28899(+)88(-)+15VPGAMP(-)SOURCE(-)SOURCE(+)AMP(+)AMPVOLTAGEVOLTAGE.15uFC1.047uFC22 5WR14R4475R19DIFFERENTIAL221R37100pFC18CURRENTCURRENT100pFC17312Q13221R36DIF

27、FERENTIAL267kR39324R41AMP10uFC310uFC4.1uFC6FROM TERMINALFROM DISPLAY499R1510kR6221R74.99kR8200kR18200kR21475R27312Q14312Q16312Q15324R40312Q30V0V0V-+U1:2PG DETECTOR213SGDQ510MR23.0068uFC747.5kR2447.5kR26221R34213Q8806R31213SGDQ6221R33213Q173.32kR32.1uFC5100R3100R2312Q4213Q10213Q12321Q183.32kR35321Q78

28、06R30267kR38321Q9321Q110V0V0V-+84B+B-U1:1B+B+B-B-+14V-14V+14V-14V8 OHMFB2 OHMFB22uFC13475R254.75kR22220uFC9475R10-15V91pFC14+ DRV- DRVTO DISPLAYTHERM9470312o+tRT1OUTPUTMETER4/54/5AMPGNDFROM INPUTPGPG9METERMETER10uFC1647 .5 WR29-75VB-47 .5WR2810uFC15+75VB+MUTE93.32kR522uFC8365R16100pFC1122pFC1220KR17

29、6.49k .5%R2010kR9321Q1123SGDQ2+14V267kR13267kR1410kR1140.2kR1210uFC10-14VJ4100uFC30267kR66312Q38-14VD6100kR67+15V-15V+15V-15V4/54/5TO INPUT+15V-15V1BLKAMP MUTINGPG ATTENUATOR-18V-18V0VJ2:1J2:4J2:2J2:3J1:1J1:2J1:3J1:4J3:1J3:2J3:3J3:4J3:5J3:6-7V657123POWER AMPLIFIERMC30331327HEATSINK 750868/750881 SCH

30、 2 of 26(-)(+)6D2+ 75VLIM ITERCURRENTADJUSTJ8:11BIAS +- 75VJ5:1.22uFC19.22uFC202.21R422.21R43.01uFC21365R4547uFC23.01uFC22312Q19D1D422.1kR47CURRENTD3LIMITER680R48BIAS.1uFC25100pFC27213Q22100pFC28231Q2447 .5WR541.2V23Q23321Q25:1321Q30:1321Q29:1321Q34:1J8:21.1kR641.1kR65BIAS -FROM CAPJ5:2312Q2047uFC24

31、365R44680R4922.1kR46D51.8kR531.8V21Q21321Q26:1321Q33:1TO AUTOFRMR54Q34:21.5kR51321Q28:1321Q31:1J6100pFC2654Q33:21.8kR50500231CCWR52321Q32:1321Q27:1(+)OUTPUTS(+)DRIVER(-)DRIVER(-)OUTPUTS54Q31:254Q32:2.47x2213R55312Q37.1uFC29321Q36:1321Q35:154Q35:254Q36:254Q30:254Q29:254Q28:254Q27:254Q26:254Q25:2.47x2

32、213R61J71WHTVIO.47x2213R57.47x2213R59.47x2213R56.47x2213R58.47x2213R60.47x2213R62+ DRV- DRVOUTPUT-75V+75V.47x2213R63BIAS31.6V.6V.6V.6V.6V-.6V-.6V-.6V-.6V-.6V-1.2V-1.8V- BIAS ADJUSTMENT -ADJUST R52FOR 19-23 mV DCACROSS J8WITH NO INPUT SIGNALAND HEATSINKS COOL33347HEATSINK 750868/750881 PCB129944POWER

33、 AMPLIFIERMC30335368TERMINAL 750890 SCHJ1J3J2J41111ORNREDBLUBLKFROM AUTOFORMERBP4BP3BP2BP1J5J6:1J6:477TO HEATSINK1842COM37388TERMINAL 750890 PCBPOWER AMPLIFIERMC30339409DISPLAY 750869 SCH 1 of 21 1ON1REMJ4:1J4:3OFFJ4:21FP ONFP OFFGND1 1AUTOJ7:1OFFJ7:31ML OFFGND182R15182R16182R14182R13182R1 7182R1 8P

34、OWER SWITCHMETER SWITCHILLUMINATIONMETERPGTHERMMETERCH3 METERPGTHERMMETERCH2 METER7APGFROM CH1 HTSNKTHERM7AJ1:67AMETERJ1:5CH1 METERJ1:4J2:6J2:5J2:4J3:6J3:5J3:4MUTEMUTEJ1:1TO CH1 HTSNKJ1:2MUTEJ1:3J2:1J2:2J2:3J3:1J3:2J3:3TO CH2 HTSNKTO CH3 HTSNK+15V-15VMUTE+15V-15VMUTE+15V-15VMUTE-15V+15V-15V+15V-15V+

35、15V7B7B7B7C7C7C2.21kR1-15V+15V+5VBUFROM CH2 HTSNKFROM CH3 HTSNK3ILLUM3GNDJ5:9J5:1J5:4J5:1433+15V-15V3+5VBU3METLIGHTSJ5:16J5:7J5:173MUTEMUTEFROM CONTROLJ5:10J5:12FP ONFP OFFTO CONTROL337A7A7A7B7B7B7C7C7CJ6:4+5VBU2+5VBUJ6:1J6:122GND2PW R RLYTO BACKUPFROM BACKUPJ8:7J8:5J8:4J8:1833.2kR6681R7312Q5CH1POWE

36、RGUARD4L33.2kR4681R5312Q4CH2POWERGUARD33.2kR2681R3312Q3CH3POWERGUARDJ8:16J8:13J8:12J8:15J8:17J8:14J8:10J8:233.2kR10312Q712.1kR11312Q62.21kR20THERMAL PROTECTION332R812.1kR1210kR9312Q8-15V-15V-15V12.1kR19312Q9MUTELOGOLEDDS5DS7DS61kR27806R23PW R SWLEDMET SWLEDDS14.75kR21+5VBUPOW ERLED+15V+15V312Q101.5k

37、R2 2101010101010101010101010+15V312Q2+15V+15V312Q1-15VJ5:153PW R RLYPWR RLYPWR RLYJ6:2J6:3 J6:5J6:6J6:7J6:8J6:9J6:10J6:11J5:2J5:3J5:5J5:6J5:8J5:18J5:11J5:135V5V-18V5V0V5V0V0V0V0V-15V.6V-14.4V-18V-18V-18V5V681R60GNDGNDGNDMT1 LTMT2 LTMT3 LTPG3 LTPG2 LTPG1 LTPG COMPG COMPG COMSW2SW10V14V14V0V0V0V-9.8V1

38、4.4V14.4V14.4V1.2V1.1V-.1V0V.6VTO METER CONTROL41429DISPLAY 750869 SCH 2 of 220KR36D1221kR43D10D16312Q14D2.1uFC7.47uFC10221R48CH1 M ETER LOG AM P10uFC4150kR37CH1 M ETER DRIVERD138109+-U2:3312Q11312Q17+14V+14V475kR51D7141213+-U2:420KR40220uFC247.5R332.21kR54100kCCW123R57+14V11MT1 |+|TO CH1 METERJ13:2

39、J13:1+3V20KR34D3221kR44D11D17312Q15D4.1uFC8.47uFC11221R4610uFC5150kR38CH2 M ETER DRIVERD14756+-U2:2312Q12312Q18+14V+14V475kR49D8+14V132+-411B+B-U2:120KR412.21kR5211TO CH2 METERJ14:1J14:2100kCCW123R5820KR35D5221kR45D12D18312Q16D6.1uFC9.47uFC12221R4710uFC6150kR39CH3 METER DRIVERD15756+-U1:2312Q13312Q1

40、9+14V+14V475kR50D9+14V132+-411B+B-U1:120KR422.21kR5311TO CH3 METER100kCCW123R59J15:1J15:2CH2 METER LOG AM PCH3 M ETER LOG AM P8109+-U1:3141213+-U1:4CH1 METER CALCH2 METER CALCH3 M ETER CAL.1uFC320KR314.99kR32+15V+3V+3V+3V+3V+3V+3V+3V+3V+3V+3V+3V10uFC1+15V123SGDQ20MUTE+3V10MR562.21MR55+14V+3V+3V123SG

41、DQ21+3V123SGDQ22+3VCH3 METERCH2 METERCH1 METERJ8:6J8:3J8:1J8:11J8:9J8:8J9:8J9:10J9:16J9:18J9:11J9:13101099101099101099BREAK AWAYBREAK AWAYBREAK AWAYMT2 |+|+3VMT3 |+|+3VMT3 FB+MT3 FB-MT3 FB+MT3 FB-MT2 FB+MT2 FB-MT2 FB+MT2 FB-MT1 FB+MT1 FB-MT1 FB+MT1 FB-0V3V3V3V3V3V3V3V3V3V3V3V3V3V3V.2V3V3V.2V3V3V.2V3

42、V3V3V-18V-10VPOWER AMPLIFIERMC30343449DISPLAY 750869 PCB454610 METER CONTROL 750869 SCH and PCBMT3 GRNMT2 BLUMT1 BLUMT1 GRN11A11A200CCW123R2 9MT3 BLUJ12:5J12:1J11:8MT2 GRNJ11:10J11:111AJ10:8J10:5J10:10200CCW123R2 8J12:8J12:10J11:4J10:1500123CCWR2 6500123CCWR2 5200CCW123R30500123CCWR2 4TO CH1 MET LIG

43、HTTO CH2 MET LIGHTTO CH3 MET LIGHTCOLORINTENSITYCOLORINTENSITYCOLORINTENSITYGND11B11B11BGND11C11C11CGNDJ9:3J9:7J9:2DS 2DS 3DS 4J9:4J9:6J9:1J9:5J9:17J9:9J9:12J9:14J9:15999999999999GNDGNDGNDMT1 LTMT2 LTMT3 LTPG3 LTPG2 LTPG1 LTPG COMPG COMPG COMFROM DISPLAYPOWER AMPLIFIERMC30311METER LIGHT 750845 SCH a

44、nd PCB129899FROM METER CONTROL+5.6V+5.6VBLUBLUGRNGRN+5.6V+5.6V+5.6VBLUGRN+5.6V2134RBGD12134RBGD22134RBGD6J1:1J1:2J1:3J1:4J1:5J1:6J1:7J1:8J1:9J1:10J1:11J1:122134RBGD52134RBGD32134RBGD4221R2221R4221R6221R8221R10221R12681R1681R5681R9681R3681R7681R1110101010101010101010101047484950NOTESMC303PARTS LIST25

45、1C1 CAP 3300PF 250V UL/CSA 061312C2 CAP ELECT 3300UF 35V 066509C3 CAP MONO .47UF 50V 061320D1 DIODE SILICON 070174D2 DIODE RECT SCHOTTKEY 2A 40V 070196D3 DIODE RECT SCHOTTKEY 2A 40V 070196D4 DIODE RECT SCHOTTKEY 2A 40V 070196D5 DIODE RECT SCHOTTKEY 2A 40V 070196J1 BLADE FASTON W/FEET 117708J2 BLADE

46、FASTON W/FEET 117708J3 BLADE FASTON W/FEET 117708J4 BLADE FASTON W/FEET 117708J5 BLADE FASTON W/FEET 117708J6 BLADE FASTON W/FEET 117708J7 BLADE FASTON W/FEET 117708J8 BLADE FASTON W/FEET 117708J9 BLADE FASTON W/FEET 117708J10 BLADE FASTON W/FEET 117708J11 BLADE FASTON W/FEET 117708J12 BLADE FASTON

47、W/FEET 117708J13 BLADE FASTON W/FEET 117708J14 BLADE FASTON W/FEET 117708J15 BLADE FASTON W/FEET 117708J16 CONN 2 PIN MALE 117213J21 BLADE FASTON W/FEET 117708J22 BLADE FASTON W/FEET 117708J23 CONN 12 PIN FFC 117907K1 RELAY POWER TV8 12V 087083K2 RELAY POWER TV8 12V 087083PCB1 PC BD BACK UP 129910Q1

48、 TRANSISTOR NPN SILICON 132317R1 RES POLYSWITCH RXE030 144670R2 RES MF 1.82K 1% 1/4W 144582RT1 THERMISTOR 2.5 OHM 15A 144231RT2 THERMISTOR 2.5 OHM 15A 144231T1 TRANSFORMER POWER 159367U1 IC REGULATOR +5V 133568BACKUP POWER SUPPLY PCB 7509753CONTROL PCB 750886Ref. No. Description Part No.C1 CAP MPF 0

49、.047UF 5% 63VDC 064320C2 CAP MONO .1UF 50V 20% Z5U 061346C3 CAP MONO .1UF 50V 20% Z5U 061346C4 CAP ELECT 3300UF 35V 066509C5 CAP ELECT 3300UF 35V 066509C6 CAP ELECT 100UF 25V 066573C7 CAP ELECT 100UF 25V 066573C8 CAP MPF 1UF 5% 63VDC 064337C9 CAP MONO .1UF 50V 20% Z5U 061346C10 CAP MONO .1UF 50V 20%

50、 Z5U 061346C11 CAP ELECT 10UF 50V 066445C12 CAP MPF 0.22UF 5% 63VDC 064329C13 CAP MONO .1UF 50V 20% Z5U 061346C14 CAP MONO .1UF 50V 20% Z5U 061346D1 DIODE RECTIFIER 070175D2 DIODE RECTIFIER 070175D3 DIODE RECTIFIER 070175D4 DIODE RECTIFIER 070175HS1 HEATSINK TO-220 080021HS2 HEATSINK TO-220 080021 I