McIntosh-C2300-pre-sm 维修电路原理图.pdf

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1、C2300SERVICE MANUALPerformance Specifications .2Notes .2Rear Panel .3Section Location .3Block Diagram .4Interconnection Diagram .5 - 6Main Schematic and PCB .9 - 22Display Schematic and PCB.23 - 28Balanced Schematic and PCB .29 - 34Tube Schematic and PCB .35 - 42Data Schematic and PCB .43 - 46Pushbu

2、tton Schematic and PCB .47 - 48Headphone Schematic and PCB .49 - 50Meter Lamp Schematic and PCB .51 - 52Parts List .53 - 62Repacking Instruction .63CONTENTSSERIAL NO. YA1001 And AboveC2300TUBE PREAMPLIFIERRadioFans.CN 收音机爱 好者资料库PERFORMANCE SPECIFICATIONSGeneral SpecificationsFrequency Response+0, -0

3、.5dB from 20Hz to 20,000Hz+0, -1dB from 10Hz to 100,000HzTotal Harmonic Distortion0.08% from 20Hz to 20,000HzRated Output (Main)2.5V Unbalanced, 5V BalancedMaximum Voltage Output8V RMS Unbalanced, 16V RMS BalancedSensitivity (for rated output)High Level, 450mV unbalanced, 900mV balancedPhono MM, 4.5

4、mVPhono MC, 0.45mVSignal To Noise Ratio (A-Weighted)High Level, 93dBPhono, 80dBInput ImpedanceHigh Level, 20K ohms unbalanced, 40k ohms balancedPhono MM, 47K ohms; 50 to 750pF, in 50pF stepsPhono MC, 25, 50, 100, 200, 500 or 1,000 ohms; 100pFMaximum Input SignalHigh Level, 5V Unbalanced, 10V Balance

5、dPhono MM, 50mVPhono MC, 5mVVoltage GainHigh Level to SRVR(REC) Output: 0dBHigh Level to Main Output: 15dBPhono MM to Record Output: 40dBPhono MC to Record Output: 60dBOutput Impedance220 ohmsHeadphone Load Impedance16 ohms to 250 ohmsTube ComplimentMM Phono Circuitry: 2 - 12AX7AMC Phono Circuitry:

6、2 - 12AX7AHigh Level Circuitry: 2 - 12AX7APower Requirements100 Volts, 50/60Hz at 75 watts110 Volts, 50/60Hz at 75 watts120 Volts, 50/60Hz at 75 watts220 Volts, 50/60Hz at 75 watts230 Volts, 50/60Hz at 75 watts240 Volts, 50/60Hz at 75 wattsStandby Power, less than 2 wattsNote: Refer to the rear pane

7、l of the C2300 for the correct voltage.Overall DimensionsWidth is 17-1/2 inches (44.45cm)Height is 6 inches (15.24cm) including feetDepth is 18 inches (45.72cm) including the Front Panel, Knobs and CablesWeight29.5 pounds (13.41 kg) net, 44.9 pounds (20.41 kg) in shipping cartonShipping Carton Dimen

8、sionsWidth is 25 inches (63.5cm)Depth is 27 inches (68.6cm)Height is 12 inches (30.5cm)NOTES1. The heavy lines on the schematic denote the primary signal path.2. Unless otherwise noted, all voltages indicated on the schematics are measured under the following condi- tions: a. AC input at 120 volts,

9、50/60Hz. b. All voltages are +/-10% with respect to ground. A high impedance (10 megaohm) voltmeter must be used.3.Unlessotherwisespecified: a. Resistor values are in ohms. b. Capacitor values are microfarads (uF). c. Inductor values are in microhenries (uH).4. On PC board drawings, Square pad indic

10、ates: a. Polarized Capacitors - Positive b. Diodes - Cathode c. Others - Pin 15. WARNING Parts marked with the symbol have critical characteristics. Use only replacement parts recom- mended by the manufacturer.6. Use McIntosh Remote Control Model HR061 with the C2300.2RadioFans.CN 收音机爱 好者资料库C2300SEC

11、TION LOCATIONREAR PANEL3BLOCK DIAGRAM4C2300INTERCONNECT156NOTES78C2300910GNDGND51.1R 623B3B3B3B249R 63INPUTS0VR0V1.5kR751.21kR78RIGHT MCLEFT MC2J1L1J1321Q14110R 56321Q12110R 54321Q1851.1R 64321Q1622.1R 711000pFC 4222.1R 701.5kR77312Q201.5kR761000uFC 47220uFC 51312Q191000uFC 46220uFC 501.5kR741.21kR8

12、1312Q281.21kR80312Q271.21kR79312Q36312Q35475R85475R8422pFC5714678235-+U914678235-+U8.1uFC 622.21R91.1uFC 612.21R892.21R881kR931kR92J4:11TO TUBEJ4:10J4:9J4:12321Q131kR 551kR 57321Q11249R 65321Q17321Q151000pFC 431000uFC 49220uFC 531000uFC 48220uFC 52312Q21312Q22312Q29312Q30312Q37312Q382.21kR 872.21kR

13、8622pFC56.1uFC 632.21R90.1uFC 60MC PH4.75kR604.75kR694.75kR584.75kR67MC OUTMC OUT1000pFC 4522.1R 731000pFC 44312Q24100pFC 41312Q234.75kR594.75kR6610uFC 59312Q32312Q31J2:2J2:3J2:4J2:11kR 531kR 5222.1R 72100pFC 40312Q25312Q264.75kR614.75kR681000pFC 55475R831000pFC 54312Q33312Q3410uFC 58475R82-15V-15V-

14、15V-15V15V15V15V15VMC1MC2MC3MC4MC1MC2MC3MC40V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V.6V.6V.6V.6V.6V.6V.6V.6V.6V.6V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V0V.6V.6V.6V.6V.6V.6V.6V.6V.6V.6V0V0V0V0V0V0V0V0VMAIN 750761 SCH 1 OF 62A1112MAIN 750761 SCH 2 OF 62B4A4A4A4A4A4A4A4A4A4A4A3A3A3A3A3A5VDVDNCGNDGND

15、GNDGNDLEFT-RLRLRL0V0V0V0V0V0V0V0V0V0V0V0V0VLEFT0V0V0V0V5V0V0V0V0V0V0V5V0V0V0VRLSERVER (REC)GNDGNDMMMCMC-24v-24vNC24v24v3B3B3B3A3A3B3C3C3A3A3A3A3AJ4:6J4:9J4:10J3:1J3:2J3:4J3:5J3:6J3:7J3:9J3:10J3:11J3:124A4A4A4A4A4A4A3A3A3ACDAUXCDRGNDGNDGNDGND100kR11LLR0V0V20KR350V0V5V0V0VMAINMMMAINNC3B3B3AJ4:8J3:3J3:

16、8100kR12CONTROLJ9:1CONTROLJ9:2CONTROLJ9:3J9:4CONTROLJ9:5RIGHT-J9:11J9:12J9:13J9:14J9:15LEFT-LEFT+J9:18R MM OUTJ4:2J4:1J2:1J1:2J1:15V5V5V5V5V0V0V0V0V0V0V0V0V10kR13MM43CDRL1RDVD2LTUNER100pFC2420KR40100pFC260V5V5VINPUTDRIVERCONVERTER0V5VDECODERDECODERINPUTDECODERDECODER0VOUTPUTSR MC OUTL MC OUTTUBE ONT

17、UBE ONTUBE ONTUBE ONTUBE ONJ9:6RIGHT-J9:10J9:9J9:8J9:7RIGHT+RIGHT+LEFT+J9:17J9:16J4:3J4:4L MM OUTJ2:2R MM INL MM IN0V0V0V0V100kR2220pFC147pFC2321Q147pFC4321Q4100kR3220pFC310kR8100kR1047.5kR181kR2047.5kR171kR190V2J6:20VINPUTSINPUTSR1J12:1SRVR1J11:12CDR1J10:12J10:2AUX2J9:22J8:212J7:21J7:1220k34R22:222

18、0k34R21:2220k12R22:110uFC15220k12R21:110uFC13220k12R24:110uFC1110uFC12220k12R26:110uFC20220k34R23:210uFC10220k34R25:210uFC1810uFC172134K62134K52134K210uFC2210uFC2140.2kR341kR3240.2kR33100pFC2340.2kR311kR29100pFC28100pFC2520KR395VDRIVERRIGHTCONVERTER0V100kR42.1uFC35220pFC36221kR49221kR480V1J13:110uFC

19、38TUBE ON100kR4321Q2100kR1321Q3100kR910kR141J6:12J12:22J11:21J8:11J9:1220k34R24:2220k34R26:210uFC1410uFC16220k12R23:1220k12R25:110uFC910uFC192134K12134K32134K42134K8221kR27221kR2840.2kR30100pFC27678912345141516171810111213GNDU1678912345141516171810111213GNDU2.1uFC30.1uFC29100kR4121354K17.1uFC31.1uFC

20、3421354K1810uFC372J13:210uFC39BALANCED TO UNBALANCEDBALANCED TO UNBALANCED1kR471kR43221R50J14:12J14:8J14:7J14:3J14:2GP1390pFC5100pFC6321Q510kR5100pFC8321Q8390pFC710kR610kR1610kR1520KR362134K142134K132134K1022uFC321kR451kR44J2:5J2:6J2:7J14:9J14:10J14:11J14:5J14:4J14:6J14:1321Q610kR7321Q72134K92134K11

21、2134K122134K1622uFC331kR46QF5QG6QD3QA15QB1GND8QH7SQH9OE13VCC16QC2QE4LCLK12RESET10SCLK11DATA14U6QF5QG6QD3QA15QB1GND8QH7SQH9OE13VCC16QC2QE4LCLK12RESET10SCLK11DATA14U4221R51J2:8QF5QG6QD3QA15QB1GND8QH7SQH9OE13VCC16QC2QE4LCLK12RESET10SCLK11DATA14U5QF5QG6QD3QA15QB1GND8QH7SQH9OE13VCC16QC2QE4LCLK12RESET10SC

22、LK11DATA14U7J5:18J5:17J5:7J5:6J5:14J5:15J5:16J5:9J5:10J5:11J5:12J5:5J5:1J5:3J5:2J2:12J2:10J2:11J2:9J4:2J4:1J3:2231-+84B+B-U3:1J5:13J5:4J5:8J3:1657-+U3:2595CSACC_OND/A_CONTROLCD_CONTROLCDR_CONTROLDVD_CONTROLL_MCL_MMLEFT-LEFT-LEFT+LEFT+MC_CONTROLMC_CONTROLMM_CONTROLMM_CONTROLPC_SPKR1PC_SPKR2POWERONR_M

23、CR_MMRIGHT-RIGHT-RIGHT+RIGHT+SCLKSCLKSCLKSCLKSDATASQH1TU_CONTROLTUBE_LIGHTTUBE_LIGHT-15V-15V-15V-15V-15V-15V-15V-15V-15V15V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V5V-24V24VLISAUD-LLISAUD-RMONOMUTESPKR1SPKR2MC1MC2MC3MC4MM1MM2MM3MM4L_MMR_MMMETER_MUTE5V5V5V5VL_MCR_MC15V-15VMM3MM4MM1MM2MM3MM4MM1

24、MM210uFC1615V100kR238220pFC1621kR239595CSHDPH MUTE5V5V5VTO J33 PIN3Ext_Lamp_ControlTO BALANCED (INPUT)TO TUBETO TUBE (MC)TO TUBETO TUBE0V0V0V0V0V0V0V5V5V5V5V5V5V5V5V5V5V0V0V0V5V5V0V5V5VC23001314MAIN 750761 SCH 3 OF 62C0V0V0VLEFT0V5V5V5V0V-5V0V0VLEFT5V5V5V5V5V.6V0V0V0V0V.6V0V-9dB0V0V.6V0V0V-15V15V-5V

25、5V0V0V47.5kR1810V267kR1830V5V0V267kR1853CJ6-113CJ6-103CJ6-93CJ6-83CJ6-63CJ6-53CJ6-43CJ6-3J6-10V0V5V5V5V.6V.6V1MR204-3dB1MR207.6V.6V.6V1MR215.6V267kR218.6V-9dB.6V1MR233267kR182J16:3J16:4J16:8J16:9NEGATIVEPOSITIVE10uFC118.1uFC12310MR199DECODERPOST ATTENUATORDRIVER.6V0V0V-3dB0V-6dB DRIVER0V.6V-9dB DRIV

26、ER-9dB DRIVERLEFT POST ATTENUATOR.6V-12dB DRIVER0V0V0V-12dB267kR172267kR171.1uFC113221R17510uFC11112.1kR177.1uFC11612.1kR176220pFC1171kR1808.25kR17947uFC11947uFC12010uFC12710uFC122267kR1843CJ6-123CJ6-7150kR190150kR191J6-2-13.7V123SGDQ541kR1951kR1941MR200-13.7VTUBE MUTE10MR198.1uFC144DECODERTUBE MUTE

27、312Q55-13.7V267kR20210uFC15247.5kR2091000pFC1491000pFC15010MR20510uFC151.6V1000pFC154312Q611000pFC1531MR212312Q6010MR2132.21MR221312Q651MR222312Q6424.9kR2281MR225.6V312Q68267kR227123SGDQ6616.5kR235-12dB1000pFC1581000pFC157123SGDQ7010MR23110uFC11210uFC126J16:1J16:2J16:5J16:6J16:7J16:10J16:11J16:12220

28、pFC145123SGDQ53267kR20310MR20647.5kR20810MR214267kR2192.21MR220267kR229123SGDQ6724.9kR226123SGDQ7110MR23216.5kR234RIGHTVOLUME CONTROLBUFFER.1uFC121RIGHTTUBE MUTE20KR193TO TUBE-3dB DRIVER-3dB DRIVER-6dB DRIVER-6dB-12dB DRIVER5 VOLT REGULATOR312INOUTU235 VOLT REGULATOR231INOUTU22.1uFC115BUFFER2134K261

29、0uFC11410kR173VOLUME CONTROL.1uFC12410uFC125VOLUME CONTROL.47uFC14720KR192-6dB33.2kR217312Q57312Q56267kR210200kR201123SGDQ58123SGDQ621000pFC156312Q691000pFC1551MR23010MR22310kR1741kR17891011121314151612345678ZCENDATAODATAIAINRAGNDRAOUTRVA+VA-AOUTLAGNDLAINLMUTESCLKVD+CSDGNDU25123SGDQ59267kR211123SGDQ

30、6333.2kR21610MR224RIGHT POST ATTENUATOR231-+84B+B-U24:1657-+U24:2QF5QG6QD3QA15QB1GND8QH7SQH9OE13VCC16QC2QE4LCLK12RESET10SCLK11DATA14U27VOL_CLKVOL_CSVOL_CSVOL_DATA5V-15V-15V-15V-15V-15V-15V-15V-15V-15V-15V-15V-15V-15V-15V-15V-15V-15VTUBE_ON-15V15V5V2-5V25V2-5V25V25V2-5V25V25V5VLISAUD-LLISAUD-RMONOR_O

31、UTL_OUT5v2122242526272829303132123456789101112131415161718192023InAGNDSWCAOutAGNDTone_Tr1aTone_Mi1aTone_Ba1aTone_Ba2aNCGNDVDDoutDATACLOCKLATCHADR0ADR1V-V+NCNCBa2bBa1bMi2bMi1bTr1bGNDOutBSWCBGNDInBTone_Mi2aU265V2-5V210uFC12810uFC129.0022uFC130.0022uFC13110uFC13210uFC133.1uFC1374.99kR1864.99kR18710uFC1

32、3410uFC135.1uFC136100uFC139100uFC140TONE_CSVOL_CLKVOL_DATA220pFC1411kR1891kR18810uFC1383C3C332R2367V-7V332R237321INOUTU281.5kR197312INOUTU291.5kR19615V-15V7V-7V10uFC15910uFC1607V-7V-7V-7V-7V1kR2531kR254.1uFC175.1uFC176L MAIN 1GNDGNDR MAIN 1GNDGNDTUNE ONGNDL MAIN 2GNDR MAIN 2GND0V0V0V0VPOSITIVE7 VOLT

33、 REGULATORNEGATIVE7 VOLT REGULATOR0V0V0V0V1516MAIN 750761 SCH 4 OF 62DLEFT0V0VRRRLL0V0V0V0V0V5V5V5V5V0V0V0V0V0VHDPHGNDHDPHGND1125VMUTEMUTEGND7777777 774B4B4B4B4B4B4B4B4B4B4B4B4BJ2:2J2:3J2:4J2:8J2:4J2:3J2:2J2:1L22.1kR13522.1kR1340VLEFT5V5V0V0V0V0V0V0V0VGNDHDPHGNDHDPH5V2GND77774B4B4B4B4BJ2:1J2:5J2:6J2

34、:7TO HEADPHONETO BALALANCED PCB (OUTPUTS)0VRIGHT.1uFC74.1uFC750V0V0V1OUTPUTS12MAIN1kR136BUFFER0VINVERTINGBUFFER0V0VRIGHTHEADPHONE0VBUFFERHEADPHONE0V0V0VNCNCR HDPHR HDPHL HDPHL HDPHOUTPUTOUTPUTOUTPUTLEFT +LEFT +0VBUFFEROUTPUTBUFFEROUTPUT100uFC7710kR118100uFC762134K192134K232134K22100kR124100kR123100k

35、R121100kR12010uFC830V10uFC810V10uFC800V10uFC78MAIN210uFC8710uFC8610kR13310kR1321kR137RIGHT0V10kR139LEFT0V10kR138BUFFER100R143100R142NCNCOUTPUTRIGHT -RIGHT +RIGHT -RIGHT +LEFT -LEFT -10kR1192134K202134K242134K21100kR125100kR12210uFC8210uFC79221R127J21:3J21:2J21:10J21:11J20:1J16:18J16:17J16:15J20:5J16

36、:14J20:6J16:13J16:12J16:10J20:10J16:9J16:7J16:4J20:16J16:3J16:3J20:17J16:2J16:1231-+84B+B-U13:12J17:2221R1312J19:2221R1291J19:1221R1281J17:1221R126657-+U15:2INVERTINGJ21:1J21:4J21:7J21:6J21:5J21:8J21:12J20:2J20:3J16:16J20:8J20:733.2kR141J16:11100uFC91J20:11J16:8J20:13J20:1433.2kR140J16:5J16:6100uFC9

37、0J20:18657-+U13:22J18:2221R1301J18:1231-+84B+B-U15:1231-+84B+B-U14:1657-+U14:2J20:4J21:9J20:12J20:15J20:9L_MAINL_MAINLMAINR_MAINR_MAINRMAIN15V-15VLMAINL_MAINR_MAINRMAIN5V5V5V5V5V5V5VL_OUTR_OUTMUTEMUTESPKR1SPKR2SPKR1SPKR2R_MAINL_MAIN15V-15V15V-15V220pFC163220pFC1642134K272134K28HDPH MUTE5V5V470uFC165

38、470uFC1661kR2401kR241221R243221R242.1uFC85.1uFC84100uFC168100uFC16715V-15V15HP-15HP-15HP15HPC23001718MAIN 750761 SCH 5 OF 62E0V0V0V0V0V.3V-.5V-3.7V0V0V1110V0V0V.3V-.5V10V0VLEFTDGND-3.7VLEFT-3.7V-3.7V4.75kR115LEFTMETER DRIVERLEFT METERRIGHT -RIGHT +LEFT -J22:2RIGHTLEFT47uFC66RIGHT.1uFC64806R9447uFC65

39、D1220uFC69D6D7D11RIGHTD10D9D13D12312Q39METER DRIVER4.75kR114LEFTJ23:1J23:2LEFT +J22:147.5R95D8312Q401MR1101MR111321Q44321Q43312Q45312Q46RIGHT METERMETER BUFFERLEFT METERLOG CONVERTERMETER BUFFERMETER RECTIFIER.22uFC71RIGHT METERMETERON/OFF CONTROLD5100kR99LOG CONVERTER806R97231-+84B+B-U10:1.1uFC67.1

40、uFC688109+-U11:3D3100kR98806R96100kCCW123R1071uFC72.22uFC73100kR10522.1kR101100kCCW123R1061uFC70100R108DGNDMETER RECTIFIER100kR10322.1kR100METERON/OFF CONTROLD4756+-U11:2D2657-+U10:2100R109321Q42132+-411B+B-U11:1321Q41141213+-U11:410kR11610kR117-5V10V10V-5V15V-15V-5V10VMETER_MUTEL_MAINR_MAIN10V-5V-1

41、5V15V2.21R11315KR38D302.21R11215KR37806R249806R250.01uFC170.01uFC169221kR251221kR252LEFT METERADJUSTRIGHT METERADJUSTMETER CALIBRATION PROCEDUREAPPLY A 1kHz SIGNAL TO BOTH CHANNELS. ADJUST THE LEVEL FOR 2.5VAC AT L AND R MAIN UNBALANCED OUTPUT. ADJUST R106 FOR 0dB ON THE LEFT METER. ADJUST R107 FOR

42、0dB ON THE RIGHT METER.1920MAIN 750761 SCH 6 OF 62F11NCNCNCNCNCNCNCNCT1T1T1NCNCNCNCNC64532110151412987T1T1T1T1T1T1FIL1FIL2BRNGRNGRNBLUBLUREDYEL0V238V24V5V238V15.6V5V0V5V0V5V5V5V5V0V5VJ1:9J1:8J1:7J1:4J1:3J1:2NCNCNCT1NCT1T1NC1113T1T1T1RED9.7V.6V5V236V5V5V5V0V5V5V5V0V0VJ1:5J1:6J1:1TO DISPLAYTO TUBETO D

43、ATA PCBACN120V B20V B0V B100V A0V A20V B0V B120V A120V B20V B120V A100V A0V A20V B0V B120V APOWERTRANSFORMERD16D15D17312V312V33V-33V-33VNEGATIVE 24 VOLTREGULATOR237V237V332R15815VPOSITIVE 15 VOLT.1uFC105REGULATOR-15VPOSITIVE 24 VOLTREGULATOR236V236V236V236V236V236V236V236V3AJ6:123AJ5:113AJ5:103AJ5:7

44、3AJ5:63AJ5:53AJ5:43AJ5:1EXTERNALEXT. DATA BUFFERTUBE W ARMUPEXT IR DATA15VGNDGND5V5VDATAPASSTHRUSCLK595CSVOLCKIR MUTECONTROLEX DATA595CS-24VSCLKFIL1-24VTONE CSGNDGND6J10:186J10:176J10:156J10:146J10:136J10:126J10:106J10:96J10:86J10:76J10:56J10:46J10:36J10:23AJ1:183AJ1:173AJ1:143AJ1:133AJ1:123A3A3A3A3

45、A3AACL120V A120V B0V A100V A0V B120V B0V A100V APRIMARYT1BRN5.2 VACSEC 3D14T125mALF1.047uFC92213Q47D22D21D194700uFC95.047uFC945V475R14547uFC100100k 2wR14447uFC96.1uFC992200uFC982200uFC9733V.1uFC1021.5kR160231Q50.1uFC106REGULATORNEGATIVE 15 VOLT332R157.1uFC104365R156-24V.1uFC103365R155200kR16220KR164

46、15R16110uFC11010uFC109220uFC10810R163236V236V236V236V3AJ5:83AJ5:93AJ5:23AJ5:3D27100kR168DRIVERSENSOR 5-8VBUFFER1kR1690VSQH1VOLCSVOL DATASDATATUBE ONFIL25V5V-24V6J10:166J10:116J10:66J10:13A3AJ1:15J1:163A3AJ1:10J1:113A3A3A164325K25D18D201MR159321Q51312Q521kR170J29:5J28:2J27:4J26:1J26:2J26:6J15SEC 4J30

47、:8POSITIVE 5 VOLTSEC 1J30:2J30:1100kR154J33:1IR MUTECONTROLIR MUTEJ33:5J33:6J33:10J33:11PC SPKR2PC SPKR1J33:15J33:16J32:1J32:6VFD -30VJ32:11J32:16J29:4J29:1J29:2J29:3J28:1J29:6J28:6J28:4J28:5110-120 VAC50/60Hz 75WJ27:3J27:5J27:2J26:3J26:4J30:4J30:5SEC 2J30:9.047uFC93REGULATORJ30:6231INOUTU16J30:3D26

48、D23D25RELAY DRIVER121311U21:433.2kR167200kR166267kR1651.82kR15310uFC101321INOUTU201.82kR150312INOUTU193.32kR148321IN OUTU183.32kR1463.32kR147220uFC1079108U21:3456U21:2J33:3J33:2CONTROLJ33:8J33:7POWERONPOWERONJ33:12J33:13J33:18J33:17J32:5J32:3J32:4J32:10J32:9J32:8J32:15J32:13J32:14J32:18J28:3J27:1J27

49、:6J24J26:5312Q48J30:7D241.82kR1511.82kR152231Q493.32kR149312INOUTU17123147B+GNDU21:1J33:9J33:4IR TODATA PORTSJ32:2J32:7J33:14J32:12J32:17J31:1J31:7J31:8J31:2J31:6J31:4J31:5J31:12J31:9J31:11J31:10J31:3595CS595CSPASSTHRUFIL1FIL1FIL2FIL2DP_DATADP_DATAPC_SPKR1PC_SPKR2POWERONPOWERONSCLKSCLKSDATASQH1Relay

50、SWVOL_CLKVOL_CSVOL_DATA5V5VACC_ONACCTUBE_ON5V5V5V-24V2-24V-15V15V236V24VVF-24V236V15VVF-24V15VPASSTHRUTONE_CS164325K29-24V2RelaySWD28D29220uFC881.1kR2441.1kR245-24V2.3AtR2473.0AtR248PASSTHRU5VTO U2 PIN17Ext_Lamp_Control9.7V9.7V100 VAC50/60Hz 75W220 VAC50/60Hz 75W230/240 VAC50/60Hz 75W5V5V5V5V0V5V236