McIntosh-MA6300-int-sm(1) 维修电路原理图.pdf
《McIntosh-MA6300-int-sm(1) 维修电路原理图.pdf》由会员分享,可在线阅读,更多相关《McIntosh-MA6300-int-sm(1) 维修电路原理图.pdf(28页珍藏版)》请在收音机爱好者资料库上搜索。
1、SERVICE MANUALPerformance Specifications . 2Notes . 3Rear Panel . 4Section Location . 4Block Diagram . 5 - 6Interconnection Diagram . 7 - 8Main Schematic and PCB . 9 - 16Preamp Schematic and PCB. 17 - 20Heatsink Schematic and PCB . 21 - 28Display Schematic and PCB . 29 - 32Push Button Schematic and
2、PCB . 33 - 34Meter Schematic and PCB . 35 - 36Parts List . 37 - 42Repacking Instruction . 43CONTENTSINTEGRATED AMPLIFIERSERIAL NO. WR1001 And AboveRadioFans.CN 收音机爱 好者资料库PERFORMANCE SPECIFICATIONS2Power Output100 watts into an 8 ohm load is the minimum sine wavecontinuous average power output. The o
3、utput RMSvoltage is 28.3V across 8 ohms160 watts into a 4 ohm load is the minimum sine wavecontinuo us average power output. The output RMSvoltage is 25.3V across 4 ohmsOutput Load Impedance8 and 4 ohmsRated Power Band20Hz to 20,000HzTotal Harmonic Distortion0.005% maximum harmonic distortion at any
4、 power levelfrom 250 milliwatts to rated power, 20Hz to 20,000HzDynamic Headroom1.4dBFrequency Response+0, -0.5dB from 20Hz to 20,000Hz+0, -3dB from 10Hz to 100,000HzPreamplifier Main Output1V for rated input (8V Maximun)Sensitivity (for rated output)High Level, 250mV unbalanced, 500mV balancedPhono
5、, 2.5mVPower Amp In, 1VSignal To Noise Ratio (A-Weighted)High Level, 97dB below rated outputPhono, 90dB below 10mV inputPower Amplifier, 110 below rated outputIntermodulation Distortion0.005% maximum, if the instantaneous peak poweroutput is rated power or less per channel with bothchannels operatin
6、g for any combination of frequenciesfrom 20Hz to 20,000Hz.Wide Band Damping Factor200 at 8 ohms100 at 4 ohmsInput ImpedanceHigh Level, 20K ohmsPhono, 47K ohms; 65pFPower Amp In, 10K ohmsMaximum Input SignalHigh Level, 8VPhono, 90mVPower Amplifier In, 8VMain Output Impedance50 ohmsPower GuardLess tha
7、n 2% THD with up to 16dB overdrive at 1,000HzVoltage GainHigh Level to Tape Output: 0dBHigh Level to Main Output: 12dBPhono to Main Output: 52dBPower Requirements100 Volts, 50/60Hz at 3.6 amps110 Volts, 50/60Hz at 3.6 amps120 Volts, 50/60Hz at 3.2 amps220 Volts, 50/60Hz at 1.8 amps230 Volts, 50/60Hz
8、 at 1.8 amps240 Volts, 50/60Hz at 1.8 ampsNote: Refer to the rear panel of the MA6300 for thecorrect voltage.Overall DimensionsWidth is 17-1/2 inches (44.45cm)Height is 7-5/8 inches (19.37cm) including feetDepth is 22 inches (55.88cm) including the Front Panel,Knobs and CablesWeight37 pounds (16.8 k
9、g) net, 55 pounds (24.9 kg) in shippingcartonShipping Carton DimensionsWidth is 25 inches (63.5cm)Depth is 27 inches (68.6cm)Height is 12 inches (30.5cm)RadioFans.CN 收音机爱 好者资料库3MA6300NOTES4MA6300REAR PANELSECTION LOCATIONSTOP VIEW WITH COVER REMOVEDINTEGRATED AMPLIFIERMA6300BLOCK DIAGRAM5678INTERCON
10、NECTINTEGRATED AMPLIFIERMA63009102MAIN 050276 SCH 1 OF 311122MAIN 050276 SCH 2 OF 3INTEGRATED AMPLIFIERMA630013142MAIN 050276 SCH 3 OF 315162MAIN 050276 PCBINTEGRATED AMPLIFIERMA630017183PREAMP 050279 SCH19203PREAMP 050279 PCBINTEGRATED AMPLIFIERMA630021224HEATSINK 050280 SCH 1 OF 323244HEATSINK 050
11、280 SCH 2 OF 3INTEGRATED AMPLIFIERMA630025264HEATSINK 050280 SCH 3 OF 327284HEATSINK 050280 PCBINTEGRATED AMPLIFIERMA630029305DISPLAY 050277 SCH 1 of 231325DISPLAY 050277 SCH 2 of 2 and PCBINTEGRATED AMPLIFIERMA630033346PUSH BUTTON 050278 SCH and PCB35367METER 050351 SCH and PCBMA630037PARTS LISTMAI
12、N PCB 050276Ref No. DescriptionPart No.2Ref No. DescriptionPart No.C1CAP POLYPROP 0.15UF 10% 250VDC064363C2CAP MPF 0.1UF 5% 63VDC064325C3CAP MONO .1UF 50V 20% Z5U061346C4CAP ELECT 3300UF 35V066509C5CAP ELECT 22000UF 63V066557C6CAP ELECT 3300UF 35V066509C7CAP ELECT 22000UF 63V066557C8CAP ELECT 3300UF
13、 35V066509C9CAP ELECT 3300UF 35V066509C10CAP ELECT 3300UF 35V066509C11CAP ELECT 1000UF 25V066513C12CAP ELECT 1000UF 25V066513C13CAP ELECT 220UF 25V066507C14CAP MONO .1UF 50V 20% Z5U061346C15CAP MONO .1UF 50V 20% Z5U061346C16CAP MONO .1UF 50V 20% Z5U061346C17CAP ELECT 47UF 35V066446C18CAP MONO .1UF 5
14、0V 20% Z5U061346C19CAP ELECT 10UF 50V066445C20CAP ELECT 10UF 50V066445C21CAP MONO 220PF 200V 10% NPO061342C22CAP MONO .1UF 50V 20% Z5U061346C23CAP MONO .1UF 50V 20% Z5U061346C24CAP MONO .1UF 50V 20% Z5U061346C25CAP MONO .1UF 50V 20% Z5U061346C28CAP ELECT 10UF 16V066580C29CAP ELECT 10UF 16V066580C30C
15、AP ELECT 10UF 16V066580C31CAP ELECT 10UF 16V066580C32CAP ELECT 10UF 16V066580C33CAP ELECT 10UF 16V066580C34CAP ELECT 10UF 16V066580C35CAP ELECT 10UF 16V066580C36CAP ELECT 10UF 16V066580C37CAP ELECT 10UF 16V066580C38CAP ELECT 10UF 16V066580C39CAP ELECT 10UF 16V066580C40CAP ELECT 10UF 16V066580C41CAP
16、ELECT 10UF 16V066580C42CAP ELECT 10UF 16V066580C43CAP ELECT 10UF 16V066580C44CAP ELECT 10UF 16V066580C45CAP ELECT 10UF 16V066580C46CAP ELECT 10UF 16V066580C47CAP MONO 100PF 100V 10% NPO061341C48CAP MONO 47PF 200V 10% NPO061340C49CAP ELECT 10UF 16V066580C50CAP ELECT 10UF 16V066580C51CAP ELECT 10UF 16
17、V066580C52CAP ELECT 10UF 16V066580C53CAP MONO 100PF 100V 10% NPO061341C54CAP MONO 100PF 100V 10% NPO061341C55CAP MONO 100PF 100V 10% NPO061341C56CAP MONO 100PF 100V 10% NPO061341C57CAP ELECT 47UF 35V066446C58CAP MONO 100PF 100V 10% NPO061341C59CAP MONO 100PF 100V 10% NPO061341C60CAP ELECT 10UF 16V06
18、6580C61CAP ELECT 470UF 16V066508C62CAP ELECT 470UF 16V066508C63CAP MONO 100PF 100V 10% NPO061341C64CAP MONO 47PF 200V 10% NPO061340C65CAP MONO 100PF 100V 10% NPO061341C66CAP MONO 47PF 200V 10% NPO061340C67CAP MONO 100PF 100V 10% NPO061341C68CAP MONO 47PF 200V 10% NPO061340C69CAP MPF 0.01UF 5% 63VDC0
19、64312C70CAP MPF 0.01UF 5% 63VDC064312C71CAP MPF 0.033UF 5% 63VDC064318C72CAP MPF 0.033UF 5% 63VDC064318C73CAP ELECT 47UF 35V066446C74CAP MONO .1UF 50V 20% Z5U061346C75CAP MONO .1UF 50V 20% Z5U061346D1DIODE RECTIFIER070175D2DIODE SILICON070174D3DIODE SILICON070174D4DIODE SILICON070174D5DIODE SIL 400
20、PIV 1.5A070031D6DIODE SIL 400 PIV 1.5A070031D7DIODE SIL 400 PIV 1.5A070031D8DIODE SIL 400 PIV 1.5A070031D9RECTIFIER BRIDGE PCB 35A 600V070187D10DIODE SIL 400 PIV 1.5A070031D11DIODE SIL 400 PIV 1.5A070031D12DIODE SIL 400 PIV 1.5A070031D13DIODE SIL 400 PIV 1.5A070031D14DIODE SILICON070174D15DIODE SILI
21、CON070174D16DIODE SILICON070174GP4BRACKET PCB CARD MOUNTING003611(GP4)RIVET 1/8X3/16 STEEL108011GP5BRACKET PCB CARD MOUNTING003611(GP5)RIVET 1/8X3/16 STEEL108011HS1HEATSINK T0220080021(HS1)SCREW MACH 4-40X1/4 PAN PH BLK400121(HS1)NUT KEP 4-40 CLR402001(HS1)INSULATOR ISOSTRATE TO 220084133HS2HEATSINK
22、 T0220080021(HS2)SCREW MACH 4-40X1/4 PAN PH BLK400121(HS2)NUT KEP 4-40 CLR402001(HS2)INSULATOR ISOSTRATE TO 220084133HS3HEATSINK T0220080021(HS3)SCREW MACH 4-40X1/4 PAN PH BLK400121(HS3)NUT KEP 4-40 CLR402001(HS3)INSULATOR ISOSTRATE TO 220084133J1BLADE FASTON W/FEET117708J2BLADE FASTON W/FEET117708J
23、3BLADE FASTON W/FEET117708J4BLADE FASTON W/FEET117708J5BLADE FASTON W/FEET117708J6BLADE FASTON W/FEET117708J7BLADE FASTON W/FEET117708J8CONN 2 PIN MALE117213J9CONN 3 POS MALE LARGE FRCTN LK117293J10CONN 23 PIN FFC117906J11JACK HEADPHONE DUAL BLACK 1/8”117549J12JACK HEADPHONE DUAL BLACK 1/8”117549J13
24、JACK HEADPHONE DUAL BLACK 1/8”117549J14JACK HEADPHONE DUAL BLACK 1/8”117549J15CONN 12 PIN FFC11790738PARTS LIST contd.MAIN PCB 050276 (Contd.)Ref No. DescriptionPart No.Ref No. DescriptionPart No.J16JACK RCA 4X2 WHT/RED 14MM117791J17JACK RCA 4X2 WHT/RED 14MM117791J18CONN XLR FEM HORIZ PCB LATCH11781
25、4J19CONN XLR FEM HORIZ PCB LATCH117814J20JACK RCA 1X2 WHT/RED 14MM117788K1RELAY 12VDC 5A 250VAC TV-4087077K2RELAY REED SPST-NO 5V 1.2A087078K3RELAY REED SPST-NO 5V 1.2A087078K4RELAY REED SPST-NO 5V 1.2A087078K5RELAY REED SPST-NO 5V 1.2A087078K6RELAY REED SPST-NO 5V 1.2A087078K7RELAY REED SPST-NO 5V
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- McIntosh-MA6300-int-sm1 维修电路原理图 McIntosh MA6300 int sm 维修 电路 原理图