McIntosh-C1000T-pre-sm(2) 维修电路原理图.pdf
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1、TUBE PREAMPLIFIERC1000SERVICE MANUALPerformance Specifications . 2Notes . 2Rear Panel. 3Section Location . 3Block Diagram . 4Interconnection Diagram . 5 - 6Main Left Schematic and PCB . 7 - 18Main Right Schematic and PCB . 19 - 30Phono . 31 - 32Balanced I/O Left Schematic and PCB . 33 - 34Balanced I
2、/O Right Schematic and PCB . 35 - 36Balanced Switching Left Schematic and PCB . 37 - 38Balanced Switching Right Schematic and PCB. 39 - 40Meter Schematic and PCB. 41 - 42Headphone Schematic and PCB . 43 - 44Parts List . 47 - 56Repacking Instructions . 57CONTENTSC1000TUBE PREAMPLIFIERSerial Number WH
3、1001 And AboveSERIAL NO. WH1000 And AboveRadioFans.CN 收音机爱 好者资料库PERFORMANCE SPECIFICATIONS21. The heavy notes on the schematic denote the primarysignal path.2. Unless otherwise noted, all voltages indicated on theschematics are measured under the following conditions:a. AC input at 120 volts, 50/60H
4、z.b. All voltages are +/-10% with respect to ground. Ahigh impedance (10 megaohm) voltmeter must be used.3. Unless otherwise specified: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 indicates:a.
5、Polarized Capacitors - Positiveb. Diodes - Cathodec. Others - Pin 15. WARNINGParts marked with the symbol have criticalcharacteristics. Use only replacement parts recommended by the manufacturer.NOTESGeneral SpecificationsPower Requirements100 Volts, 50/60Hz at 120 watts110 Volts, 50/60Hz at 120 wat
6、ts120 Volts, 50/60Hz at 120 watts220 Volts, 50/60Hz at 120 watts230 Volts, 50/60Hz at 120 watts240 Volts, 50/60Hz at 120 wattsNote: Refer to the rear panel of the C1000 Controller for thecorrect voltage.Frequency Response+0, -0.5dB from 10Hz to 20,000HzTotal Harmonic Distortion0.08% from 20Hz to 20,
7、000HzSignal To Noise RatioHigh Level, 93dBPhono, 80dBMaximum Voltage Output8V RMS Unbalanced, 16V RMS BalancedOutput Impedance220 ohmsSensitivityHigh Level, 450mV for 2.5V rated outputPhono MM, 4.5mV for 2.5V rated outputPhono MC, 0.45mV for 2.5V rated outputInput ImpedanceHigh Level, 22K ohmsPhono
8、MM, 47K ohms; 50 to 750pF, in 50pF stepsPhono MC: 25, 50, 100, 200, 400 or 1,000 ohms; 100pFOverall DimensionsC1000C:Width is 17-1/2 inches (44.45cm)Height is 6 inches (15.24cm) including feetDepth is 24 inches (61.0cm) including the Front Panel,Knobs and Interconnect Cables1C1000P:Width is 17-1/2 i
9、nches (44.45cm)Height is 6 inches (15.24cm) including feetDepth is 24 inches (61.0cm) including the Front Panel andInterconnect Cables1C1000T:Width is 17-1/2 inches (44.45cm)Height is 6 inches (15.24cm) including feetDepth is 24 inches (61.0cm) including the Front Panel andInterconnect Cables1Weight
10、C1000C - 39.0 pounds (17.7 kg) net61.4 pounds (27.9 kg) in shipping cartonC1000P - 33.0 pounds (15.0 kg) net53.6 pounds (24.3 kg) in shipping cartonC1000T - 34.0 pounds (15.4 kg) net54.6 pounds (24.8 kg) in shipping carton1 Interconnect Cables are supplied with the C1000 Pream-plifier and C1000 Tube
11、 Preamplifier. They are used to con-nect Preamplifier(s) to the C1000 Controller.Maximum Input SignalHigh Level, 5V Unbalanced, 10V BalancedPhono MM, 50mVPhono MC, 5mVTube ComplimentPhono Circuitry:4 - 12AX7AHigh Level Circuitry:4 - 12AX7ARadioFans.CN 收音机爱 好者资料库TUBE PREAMPLIFIERC10003REAR PANELSECTI
12、ON LOCATIONSTOP VIEW WITH COVER REMOVED4BLOCK DIAGRAMTUBE PREAMPLIFIERC100056INTERCONNECT782MAIN LEFT 050109 SCH 1 OF 5TUBE PREAMPLIFIERC10009102MAIN LEFT 050109 SCH 2 OF 511122MAIN LEFT 050109 SCH 3 OF 5TUBE PREAMPLIFIERC100013142MAIN LEFT 050109 SCH 4 OF 515162MAIN LEFT 050109 SCH 5 OF 5TUBE PREAM
13、PLIFIERC100017182MAIN LEFT 050109 PCB19203MAIN RIGHT 050111 SCH 1 OF 5TUBE PREAMPLIFIERC100021223MAIN RIGHT 050111 SCH 2 OF 523243MAIN RIGHT 050111 SCH 3 OF 5TUBE PREAMPLIFIERC100025263MAIN RIGHT 050111 SCH 4 OF 527283MAIN RIGHT 050111 SCH 5 OF 5TUBE PREAMPLIFIERC100029303MAIN RIGHT 050111 PCB31324P
14、HONO 050110 SCH and PCBTUBE PREAMPLIFIERC100033345BALANCED I/O LEFT 050198 SCH and PCB35366BALANCED I/O RIGHT 050199 SCH and PCBTUBE PREAMPLIFIERC100037387BALANCED SWITCHING LEFT 050108 SCH and PCB39408BALANCED SWITCHING RIGHT 050155 SCH and PCBTUBE PREAMPLIFIERC100041429METER 050106 SCH and PCBMETE
15、R ADJUSTMENT PROCEDUREApply a 1kHz signal to both channels. Adjustthe level for 2.5VAC at L and R SPKR1unbalanced output. Adjust R13 for 0dB on theC1000 left and right meters434410HEADPHONE 050262 SCH and PCBTUBE PREAMPLIFIERC1000MAIN LEFT PCB 050109Ref. No. DescriptionPart No.PARTS LIST45C1CAP ELEC
16、T 220UF 25V066507C2CAP ELECT 47UF 35V066446C3CAP ELECT 220UF 25V066507C4CAP MONO 100PF 100V 10% NPO061341C5CAP MONO 100PF 100V 10% NPO061341C6CAP ELECT 4.7UF 50V066512C7CAP ELECT 10UF 50V066445C8CAP ELECT 10UF 50V066445C16CAP ELECT 47UF 35V066446C23CAP ELECT 10UF 16V066580C24CAP ELECT 10UF 16V066580
17、C25CAP ELECT 10UF 16V066580C26CAP ELECT 10UF 16V066580C32CAP MONO .1UF 50V 20% Z5U061346C33CAP MONO .1UF 50V 20% Z5U061346C34DIODE SIL 400PIV 1.5A070031C35CAP MONO .1UF 50V 20% Z5U061346C37CAP ELECT 4.7UF 50V066512C38CAP MONO 220PF 200V 10% NPO061342C39CAP ELECT 10UF 50V066445C40CAP MONO 100PF 100V
18、10% NPO061341C41CAP MONO 100PF 100V 10% NPO061341C42CAP MONO 22PF 200V 10% NPO061339C43CAP MONO 22PF 200V 10% NPO061339C44CAP ELECT 10UF 16V066580C45CAP ELECT 10UF 16V066580C46CAP ELECT 10UF 16V066580C47CAP ELECT 10UF 16V066580C48CAP ELECT 10UF 100VDC066462C50CAP MONO .1UF 50V 20% Z5U061346C51CAP MO
19、NO .1UF 50V 20% Z5U061346C54CAP ELECT 10UF 50V066445C55CAP ELECT 10UF 50V066445C56CAP ELECT 10UF 50V066445C57CAP ELECT 10UF 50V066445C58CAP MONO 100PF 100V 10% NPO061341C59CAP MONO 100PF 100V 10% NPO061341C60CAP MONO 100PF 100V 10% NPO061341C61CAP MONO 100PF 100V 10% NPO061341C62CAP MONO 22PF 200V 1
20、0% NPO061339C63CAP MONO 22PF 200V 10% NPO061339C65CAP ELECT 10UF 100VDC066462C66CAP MONO .1UF 50V 20% Z5U061346C69CAP MONO .1UF 50V 20% Z5U061346C70CAP ELECT 10UF 50V066445C71CAP ELECT 10UF 50V066445C72CAP MONO .1UF 50V 20% Z5U061346C73CAP MONO .1UF 50V 20% Z5U061346C76CAP ELECT 10UF 100VDC066462C78
21、CAP MONO 22PF 200V 10% NPO061339C79CAP MONO 22PF 200V 10% NPO061339C80CAP MONO 22PF 200V 10% NPO061339C81CAP MONO 100PF 100V 10% NPO061341C82CAP ELECT 10UF 100VDC066462C83CAP MONO .1UF 50V 20% Z5U061346C84CAP MONO .1UF 50V 20% Z5U061346C85CAP MONO 100PF 100V 10% NPO061341C86CAP ELECT 10UF 50V066445C
22、87CAP ELECT 10UF 16V066580C88CAP ELECT 10UF 50V066445C89CAP ELECT 10UF 50V066445C90CAP ELECT 10UF 50V066445C91CAP MONO .1UF 50V 20% Z5U061346C92CAP MONO 100PF 100V 10% NPO061341C93CAP MONO 100PF 100V 10% NPO061341C94CAP MONO 100PF 100V 10% NPO061341C95CAP MONO 100PF 100V 10% NPO061341C96CAP ELECT 10
23、UF 50V066445C97CAP MONO 220PF 200V 10% NPO061342C98CAP MONO 22PF 200V 10% NPO061339C99CAP MONO 22PF 200V 10% NPO061339C100CAP ELECT 10UF 100VDC066462C102CAP MONO .1UF 50V 20% Z5U061346C103CAP MONO .1UF 50V 20% Z5U061346C106CAP ELECT 47UF 35V066446C107CAP ELECT 47UF 35V066446C108CAP ELECT 10UF 250V06
24、6558C111CAP MONO .1UF 50V 20% Z5U061346C112CAP ELECT 10UF 50V066445C113CAP MONO .1UF 50V 20% Z5U061346C114CAP POLYPROP 0.22UF 400V 20%064438C115CAP POLYPROP 0.22UF 400V 20%064438C116CAP MONO .1UF 50V 20% Z5U061346C117CAP ELECT 10UF 50V066445C118CAP MONO 100PF 100V 10% NPO061341C119CAP MONO 100PF 100
25、V 10% NPO061341C120CAP MONO 22PF 200V 10% NPO061339C121CAP MONO 22PF 200V 10% NPO061339C122CAP POLY .047UF 10% 1000VDC064434C123CAP POLY .047UF 10% 1000VDC064434C124CAP ELECT 22UF 100V066574C125CAP MONO 22PF 200V 10% NPO061339C126CAP MONO 22PF 200V 10% NPO061339C127CAP ELECT 10UF 100VDC066462C129CAP
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