Carvin-F300-pwr-sch维修电路原理图.pdf

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1、Ch1 Mute To Protect 1 LED on Control PCBCh 1 speaker ground from P.S. PCBCh 2 speaker ground from P.S. PCBH2-1 To collector of Q105 V+PCBPower Supply PCB 30-12028-3Power Supply PCB 30-12028-3AC center tap from transformerCh 1 overcurrent to Driver PCBCh 2 overcurrent to Driver PCBNoise ground from C

2、ontrol PCBCh 1 Protect from Driver PCBCh 2 Protect from Driver PCBH3-1 To base of Q205 V+PCBFan control from Driver PCBThermal cut-off comparatorThermal cut-off comparatorNoise ground from P.S. PCBH3-2 To collector of Q205AC input from transformerAC input from transformerH2-2 To emitter of Q105 V- f

3、rom bridge rectifierV+ from bridge rectifierH3-3 To emitter of Q205CH1 Protect from I/O PCBDriver PCB 30-12028-5I/O PCB 30-12028-4Over-current comparatorOver-current comparatorGround from Control PCB-15VDC from Control PCB+15VDC from Control PCBCh 2 black binding postCh 1 black binding postNoise gro

4、und to I/O PCB30Hz, Sub-sonic Filter30Hz, Sub-sonic FilterGrounds from P.S. PCBChannel 2 ground liftCh 2 red binding postCh 1 red binding postH2-3 to base of Q105I/O PCB 30-12028-4Fan speed comparatorFan speed comparator+15VDC from P.S. PCB-15VDC from P.S. PCB-24VDC from P.S. PCB1155 INDUSTRIAL AVE.

5、ESCONDIDO, CA 92029Craig R. HockenberryOver-current: HighOver-current: HighV- PCB 30-12028-2Common mode rejectCommon mode rejectBias Adjust HeaderCH.2 V+ Gate DriveCH.2 V- Gate DriveCH.1 V- Gate DriveOffset correctionOverheated: HighOffset correctionOverheated: HighStar Ground Point+15VDC to I/O PCB

6、-15VDC to I/O PCBV+ from P.S. PCBV- from P.S. PCBImpedance SwitchPower Supply PCBToriod 15-06120+ 15VDC THERMAL Power-up timer+15VDC THERMAL+15VDC THERMAL(619) 747-1710.047F 250VACNormal: LowNormal: LowNormal: LowNormal: LowPower Switch8 A Slo BloFAX 747-9065CH1 OUTPUTSCH2 OUTPUTSBridge MonoBridge M

7、onoREVISED BY:Ground LiftMono InputsCool: LowHot: HighCool: LowHot: HighCH2 INPUTSCH1 INPUTSDarlington16A 250VAC24VDC 3.4WCenter TapCH1 SIGNALCH2 SIGNAL30-12028-3CH1 LEVELCH2 LEVEL470F/25V470F/25V470F 25VAPPROVED:DRAWN BY:R198R298470F 25V470F 25VChannel 110F/50V0.0033F0.0033FNot usedNot usedNot used

8、Not used10F/50V10F/50V1N4003sBridge 1Not UsedNot UsedCH2 CLIPCH1 CLIP1N4745A1N4745A0.047F0.047F0.068F0.068FMPS A14+15VDC-15VDC+15VDC-15VDCPROTECT10F50VPrimaryPrimary-15VDC+ 15VDC -15VDC+ 15VDC + 15VDC MPSW92MPSW92MPSW42MPSW92MPSW92MPSW92MPSW92MPSW42MPSW92MPSW921N40031N40031N40031N40031N40031N40031N4

9、0031N40031N40031N40031N40031N40031N40031N4003+ 15VDC 0.22F0.22FP100.AP200.A+ 15VDC -15VDC1N40031N400310K F10K F1N40031N4003YELLOWTIP32CTIP32C!2 Tap!4 Tap!2 Tap!4 Tap+ 15VDC -15VDC1N40031N40031N40031N4003+ 15VDC 0.22F0.22F.001F.001F.22F.22F.22F.22F.22F.01F.22F.01F11.8V4.7K4.7KA10-AA11-AA12-AA10-BA11-

10、BA12-B4.7K4.7K0.560.56POWER120pF120pFFan 1SUNON24VAC24VACDATE:DATE:ASSY.DATE:ARVINGREENGREEN68K100K100K470KNot UsedNot Used220K100K2.2K4.7K4.7K2.2K2.2K4.7K2.2K100K100K470KNot UsedNot Used220K100K2.2K4.7K4.7K2.2K2.2K4.7K2.2K470K100K100K470K470KR155R157C127R156R160R165R162R163R166R161Z100R164Q114Q115R

11、172R169R170R167R168R171R173R174R176R175R184C138Q116Q118Q117C126C131R180R179C134C135R192C142R185R187C141R190R191R193R189C140R186R18810F33k4702.2K27pF27pFC225R255R257C227R256R260R265R262R263R266R261Z200R264Q214Q215R272R269R270R267R268R271R273R274R276R275R284C238Q216Q218Q217C226C231R280R279C234C235R292

12、R196R195C242R285R287C241R290R291R293R289C240R286R28810F4702.2K27pF27pF470F470F120pF120pFD120D119D220D219R197R297R278R277R177R178R158R258C133C130C132C233C230C232R159R259D221D121C229C129C139C23922F22FP201P101P102P202A7-BA8-BA8-AA9-AA9-BH5-3H5-1H4-3H4-1H1-7H1-5H1-2C136D115R181D116D118D1171.5KC236R281D2

13、15D216D217D2181.5KH6-4H6-5C125R294100KR194100KR295R296A7-AA3-AA5-AA3-BA5-B10F10F39pF56pFS1-1S1-2C117R145C116R146J101R141R140R142C112C113C114J201J200J10010F10F39pFR143C115S1-710F10F39pF56pFC217R245C216R246R241R240R242C212C213C21439pFR243C215J103J102C110C111C210C21156pF56pF56pF56pFJ203J202H7-1H7-6E104

14、E105E204E205E200E100H9-6H7-8S1-6S1-3S1-8C218C118R148R248S1-4S1-5L100L200H7-4R144R24422KH7.FH1-1H1-6H1-2H1-5H1-7H1-3H1-878157915H7-13.3K2.2KC10610FH7-8D105D205R132R232C20610FH7-6H9-6H6-4H6-5+24V-24VH7-44704704702.2K2.2K470220220Pin2Pin4Pin1Pin3Q105Q205CH 2CH 1H8-2H6-7H6-2H9-5H9-8H1-6H1-3H1-1H1-8E102E

15、101H2-4E202E201H3-4H5-4H4-4Q213J175Q113J175H1-4H6-6H6-3H6-1H9-5H9-8REV:REV:1W1WH8-1H9-2H9-4470K470KR235R234R231C205D207R230R131C105D107R130D2091.5KR233D208C207D106D206150100KR135R134D1091.5KR133D108C107A1-BA2-BA1-AA2-A100K100KC109C209H7-5H7-2H4-2H5-2H6-8H6-1H7-7H9-7H6-810K24K10K68K47K47K47K33K68K47K

16、47K47K33K33K47K47K47K47K1kR20R19R25R264747C18C19R2124K22K22K33K24K33K24K24K22K22K33K24K33KR15R164747C15C16R12222210K10KR10VR1VR2474710K10KRED80V80VC11C12C20QC3QC1QC2NO:PCBNO:151547K47KREDRED33K1K1K5K5K5K5K1K1K1K1K1KV-V-V-cw3Kcw3Kcw3Kcw3KV+V+5W2W5W5W2W5W5W5WR9Q1E100E200R8E1R5R7D2cwcwR6R1D1C3C7D3D4D6D

17、5D8D9T1V+V-V+V-E5E65W5W1K1KR2R3R4231231231231231231657657657657657657231231657657+C231231657657*CH.1 V+ Gate DriveH7-34/82*Q105 and Q205 Bias Transistorsare Located on V+ PCB 30-12028-1Craig R. HockenberryR22R2333K33K15VDC FAN 15VDC FAN30-06028 10JULY95Q201Q203R200R215R205R223Q200Q206D200R202R203R20

18、4C20025VV+R217R221R222R220R219R218D201Q207C20125VD202V-Q202Q204R201R216R224R206H5-1H5-3Q101Q103R100R115R105R123Q100Q106D100R107R103R104C100V+R117R121R122R120R119R118D101Q107C10125VD102V-15033N2056047150470F .221N40071N400733N2015047470F150100K5602.2K22K.22Q102Q104R101R116R124R106H4-14-31502N5550.222

19、N55501502N5550.22150150560472N5550470F15033N201N4007.22.221501505602.2K22K2N5550100K150470F472N555033N201N4007.22.22H9-7H7-7R182R28222K22KC22+47FR1472.2KR2472.2KR283+15VDC2.2KR183+15VDC2.2KR102560R125560R207560R225560F Series Amp F600/F300VR37915C21 MAY 9680-06028 / 80-03028A2 / A2RadioFans.CN 收音机爱 好者资料库