Carvin-MX842-pwr-sch维修电路原理图.pdf

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1、1. ALL CAPACITORS IN MICROFARADS (EXCEPT AS NOTED).9. CUT THIS TRACE ONLY IF H2 IS USED FOR BRIDGER109/R110 RESPECTIVELY UNIT WARM, 120 VAC LINE.8. ADJUST P1/P51 FOR 6mV (0.2mV) DROP ACROSS2. ALL DIODES ARE 1N4003 (EXCEPT AS NOTED).6. T1 IS: 15-50098 FOR FX MIXERS.NOTES: UNLESS OTHERWISE SPECIFIED5.

2、 ADDED AS SECONDARY OPERATION.RELAY THRESHOLDLABELS NOT USEDLAST USED LISTMONO PHASING.Ch.2 51-100 Sys. 101-200POWER MODULE63V63VCh.1 1-50TO THERMALC. McEUEN220F1N4745A1N4745ACH1 OUTCH2 OUT3.07VrmsPROTECT-20 VDC1N4745A1N4745A-20 VDC1N4756A10,000F560pF560pF+15VDC-15VDC+15VDC+15VDC-15VDCMPSW42MPSW42MP

3、SW922N54000.22FMPSW42MPSW42MPSW92MPSW922200FMPSW92TIP31C2200FDesig.OUTPUTOUTPUT+15VDC-15VDCTIP32C0.22F0.22FTIP32CTIP32C0.22FBRIDGESWITCH1N4735N/U0.22F10,000F+15VDC-15VDCSWITCH1N47371N4734A1N47371N4734A0.560.56120pF470F120pF120pF470F120pFMR502MR502470FMR502MR502470F102.B102.A101.A101.B0.050.05AUDIOIN

4、PUT15N2015N202.5uH2.5uHAUDIOINPUT15N2015N200.56H1-10N/U0.1F0.1FA1.AA2.A4704701.8K150150150R105R103R106Z103Z104R107270R120R119R118R121R117R116R115R113R114R111R112Q105J175100K100K7.5K360K360K360K360K68010F47F82pF4704701.8K150150150150150D110C115C114C113Q106D109C112100K680C110C107C105D101D10382pF47F10F

5、10FR108R104120Q102D102D104D105D106D107D108C111C106C10810FQC11QC12Q103A2.BA1.B8P20R109R110CLIPH1-8H1-2H1-7CLIPBLUED111CH 12.2K4.7K6.8K4.7K2.2K8P20P10110FCH 22.2K4.7K6.8K4.7K2.2K8P208P20H1-13.07VrmsH1-5H1-4H1-3H1-6QC14QC13OPT.QC10LAMPLAMPC116H2.1H2.2H2.4 H2.3H1-9H3-1H3-2R12339pF39pF39pF39pFR124R125560

6、100KZ105C101C102R101Z101T101C117R126Q101C103C104C109R102Z1022.2KJMP3JMP4JMP1JMP2JMP*JMP*WIREC118C119C120R61R63R66R65R70R64R67R69R60R57R58Z51R74R72R75R6822K22K51R7910K100K100K100KR6210K8.2KR51R53R52R55R598.2K10K10KQC3QC4YELYEL50V16VR24R22R25R27R20R16R15R17R21R13R11R10R19R12R18R1422KQ11Q10QC7QC6QC5Q60

7、Q56Q61Q57R7750VR71Q53C5716VC56Q52Q5410KC52C53C5450V16V25V50VC5122Q5525V16VQ51P51L51REDGRNQC8102101106101CH1CH2GNDQC9JMPGRNGRNORGR3050VFANDC47C10C59C60105QC1QC2BLKBLKQ58Q59R23R26R73R76R78100K10K50VN/UN/UN/UN/UN/UN/UC55D51D52Z53Z525K5W1K1K1K1KV+V-K1100KV+R2R1V+C1C2C3C4C6C7R9Z15K1KQ4Q21K1KQ51K5KQ3Q6Q7R

8、8R5R7R3R45K5WQ15W5W5W5WP1L1QC515151-11-61-V-5K5K14BKBNS15KC91060N/UQ8Q9CWCWC5D1D2Z3Z2-5253C12110pF23+123+1BBACDHQRTZPBBBBBGDSGDSGDSGDS+65+723+123+165+765+765+7KL1112B+CDR+BQ9Z887BBT+2310pFD112+15VDC+15VDCD113122243154C122+470F/16VTHERMALFAN CONTROLR56R81C583301.5K.01FC8R31.01FR63301.5KJMP5H4.1H4.2BT

9、HERMALSWITCHR122R54-15 VDC100K+15VDC12KR127D114100K11412781104500W STEREO15JAN9030-1002880-050281/2W80V80VN/UN/UN/UN/UN/UN/UN/UN/UN/UN/UN/UN/U31.7Vrms(250W 4)(250W 4)31.7Vrms28, 29,807. ADJUST P101 FOR XXX Vdc (0.1 Vdc) AT A102 PIN 2.N/UN/UN/UCH1-1CH1-2CH2-1CH2-21N40071N4007GC. MCEUEN3. ALL RESISTORS IN OHMS.4. A1, A2, A101, AND A102 ARE MC33078 OP AMPS.O2DEC941/2W12340 WORLD TRADE DR.SAN DIEGO, CA 92128(619) 487-1600FAX 487-6629REVISED BY:APPROVED:DRAWN BY:DATE:DATE:ASSY.DATE:ARVINREV:REV:NO:PCBNO:CRadioFans.CN 收音机爱 好者资料库