McIntosh-MX150-av-sm维修电路原理图.pdf

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1、MX150 MX150 A/V CONTROL CENTER SERVICE MANUAL PRELIMINARY SERIAL NO. ZJ1001 And Above Performance Specifications .2 Notes .2 Rear Panel .3 Section Location .4 Block Diagram .5 - 6 Interconnection Diagram .7 - 8 Front Schematic and PCB .9 - 10 Main Schematic and PCB .11 - 22 Display Schematic and PCB

2、.23 - 26 Pushbutton Schematic and PCB .27 - 30 Balanced Schematic and PCB .31 - 34 Preamp Schematic and PCB .35 - 38 Capacitor Schematic and PCB .39 - 42 Heatsink Schematic and PCB .43 - 46 Meter Light Schematic and PCB .47 - 48 Parts List .49 - 56 Repacking Instruction .57 CONTENTS RadioFans.CN 收音机

3、爱好者资料库 2 1. Unless otherwise noted, all voltages indicated on the schematics are measured under the following conditions: a. AC input at rated voltage marked on rear panel. b. All voltages are +/-10% with respect to ground. A high impedance (10 megaohm) voltmeter must be used. 2.Unlessotherwisespec

4、ified: a. Resistor values are in ohms. b. Capacitor values are microfarads (uF). c. Inductor values are in microhenries (uH) 3. On PC board drawings, Square pad indicates: a. Polarized Capacitors - Positive b. Diodes - Cathode c. Others - Pin 1 4. WARNING Parts marked with the symbol have critical c

5、haracteristics. Use only replacement parts recom- mended by the manufacturer. 5. Use McIntosh Remote Control Model HR063. NOTES PERFORMANCE SPECIFICATIONS Specifications Power Output 250 watts is the minimum sine wave continuous average power output per channel, both channels operating Output Load I

6、mpedance 2, 4 or 8 ohms Rated Power Band 20Hz to 20,000Hz Total Harmonic Distortion 0.005% maximum with both channels operating from 250 mil- liwatts to rated power, 20Hz to 20,000Hz Dynamic Headroom 2.0dB Frequency Response +0, -0.5dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 100,000Hz Preamplifi

7、er Main Output (for rated input) 2.5V unbalanced (8V Maximun) 5.0V balanced (16V Maximun) Sensitivity (for rated output) High Level, 250mV unbalanced, 500mV balanced Phono, 1.2 mV Power Amp In, 2.5V Signal To Noise Ratio (A-Weighted) High Level, 100dB below rated output Phono, 84dB below 5mV input P

8、owerAmplifier,115belowratedoutput Intermodulation Distortion 0.005% maximum, if the instantaneous peak power is 500 watts or less per channel with both channels operating for any combination of frequencies from 20Hz to 20,000Hz Wide Band Damping Factor Greater than 40 Input Impedance High Level, 20K

9、 ohms Phono, 47K ohms; 65pF Power Amp In, 10K ohms Maximum Input Signal High Level, 8V unbalanced, 16V balanced Phono, 45mV PowerAmplifierIn,16V Main Output Impedance 50 ohms Power Guard Less than 2% THD with up to 16dB overdrive at 1,000Hz Voltage Gain High Level to Rec Output: 0dB High Level to Ma

10、in Output: 20dB Phono to Rec Output: 46dB Phono to Main Output: 66dB PowerAmplifier:25dB Equalizer Controls Variable 12dB boost to 12dB cut at 30Hz, 150Hz, 500Hz, 1500Hz and 10,000Hz Power Requirements 100 Volts, 50/60Hz at 8.0 amps 110 Volts, 50/60Hz at 7.2 amps 120 Volts, 50/60Hz at 6.6 amps 220 V

11、olts, 50/60Hz at 3.3 amps 230 Volts, 50/60Hz at 3.3 amps 240 Volts, 50/60Hz at 3.3 amps Standby: Less than 1 watt Note: Refer to the rear panel of the MA7000 for the correct voltage. Overall Dimensions Width is 17-1/2 inches (44.45cm) Height is 9-7/16 inches (23.97cm) including feet Depth is 22 inch

12、es (55.88cm) including the Front Panel, Knobs and Cables Weight 97.5 pounds (44.3 kg) net, 130.5 pounds (59.2 kg) in ship- ping carton Shipping Carton Dimensions Width is 29-1/2 inches (74.93cm) Depth is 29 inches (73.66cm) Height is 17 inches (43.18cm) RadioFans.CN 收音机爱好者资料库 MX150 REAR PANEL 3 Rad

13、ioFans.CN 收音机爱好者资料库 4 SECTION LOCATIONS RadioFans.CN 收音机爱好者资料库 MX150 56 BLOCK DIAGRAM RadioFans.CN 收音机爱好者资料库 78 INTERCONNECT1 RadioFans.CN 收音机爱好者资料库 MX150 FRONT 320348 SCH 1 OF 32 910 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA FIN33720 Tampere Lyngdorf Audio Oy Hermiankatu 6 A Finland Drawn by

14、Project PageDate Version 122.06.2009 Board nameSheet File / 3 H:FilesDesignFP27CFrontPanel_a.SchDoc C MCUFP27MX 150 +15A GND +5S +5D +5D GND GND Trig_IN_A Trig_IN_B Mosi Miso SCLK ADD_1 ADD_2 HD_1 Reset RS232_RX POWER_RL IR_A IR_B TCK 1 GND 2 TDO 3 VTref 4 TMS 5 nSRST 6 Vsupply 7 nTRST 8 TDI 9 GND 1

15、0 AVRJTAG NI X4 GND +3.3S GNDGND HD_1 Vol_B Knob1_A TCK TCK TDO TDO TMS TMS MCU_RST1 MCU_RST TDI TDI GND GND +3.3S +3.3S GND +3.3S Trig_IN_A Trig_IN_B LE LE LE Reset SDCLK SDCLK SDCLK POWER_RL SDATA IR_B_M ADD_1 Mosi Miso SCLK RS232_RX GND IR_A_M IR_A_Co GND VGND VGND AVCC 64 PEN 1 PE0/RXD0/PDI 2 PE

16、1/TXD0/PDO 3 PE2/XCK0/AIN0 4 PE3/OC3A/AIN1 5 PE4/OC3B/INT4 6 PE5/OC3C/INT5 7 PE6/T3/INT6 8 PE7/ICP3/INT7 9 PB0/SS 10 PB1/SCK 11 PB3/MISO 13 PB4/OC0 14 PB5/OC1A 15 PB6/OC1B 16 PB2/MOSI 12 PB7/OC2/OC1C 17 PG3/TOSC2 18 PG4/TOSC1 19 RESET 20 Vcc 21 GND 22 XTAL2 23 XTAL1 24 PD0/SCL/INT0 25 PD1/SDA/INT1 2

17、6 PD2/RXD1/INT2 27 PD3/TXD1/INT3 28 PD4/ICP1 29 PD5/XCK1 30 PD6/T1 31 PD7/T2 32 PG0/WR 33 PG1/RD 34 PC0/A8 35 PC1/A9 36 PC2/A10 37 PC3/A11 38 PC4/A12 39 PC5/A13 40 PC6/A14 41 PC7/A15 42 PA7/AD7 44 PG2/ALE 43 PA6/AD6 45 PA5/AD5 46 PA4/AD4 47 PA3/AD3 48 PA2/AD2 49 PA1/AD1 50 PA0/AD0 51 Vcc 52 GND 53 P

18、F7/ADC7/TDI 54 PF6/ADC6/TDO 55 PF5/ADC5/TMS 56 PF4/ADC4/TCK 57 PF3/ADC3 58 PF2/ADC2 59 PF1/ADC1 60 PF0/ADC0 61 AREF 62 GND 63 IC2 ATmega64 16AU GND GND 1 2 3 NIX1 1x3 +3.3S GND Vol_A PDI PDO AGND GND GND GND 1 2 3 4 5 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

19、 37 38 39 40 6 7 8 X5 EPM570T100C3 I/O_B1 2 I/O_B2 1 I/O_B1 3 I/O_B1 4 I/O_B1 5 I/O_B1 6 I/O_B1 7 I/O_B1 8 VCCIO_B1 9 GNDIO 10 GNDINT 11 I/O_B1/GCLK0 12 VCCINT 13 I/O_B1/GCLK1 14 I/O_B1 15 I/O_B1 16 I/O_B1 17 I/O_B1 18 I/O_B1 19 I/O_B1 20 I/O_B1 21 TMS 22 TDI 23 TCK 24 TDO 25 I/O_B1 26 I/O_B1 27 I/O

20、_B1 28 I/O_B1 29 I/O_B1 30 VCCIO_B1 31 GNDIO 32 I/O_B1 33 I/O_B1 34 I/O_B1 35 I/O_B1 36 GNDINT 37 I/O_B1 38 VCCINT 39 I/O_B1 40 I/O_B1 41 I/O_B1 42 I/O_B1/DEV_OE 43 I/O_B1/DEV_CLRn 44 VCCIO_B1 45 GNDIO 46 I/O_B1 47 I/O_B1 48 I/O_B1 49 I/O_B1 50 I/O_B1 51 I/O_B2 52 I/O_B2 53 I/O_B2 54 I/O_B2 55 I/O_B

21、2 56 I/O_B2 57 I/O_B2 58 VCCIO_B2 59 VCCIO_B2 80 VCCIO_B2 94 GNDIO 60 I/O_B2 61 I/O_B2/GCLK2 62 VCCINT 63 I/O_B2/GCLK3 64 GNDINT 65 I/O_B2 66 I/O_B2 67 I/O_B2 68 I/O_B2 69 I/O_B2 71 I/O_B2 72 I/O_B2 73 I/O_B2 70 I/O_B2 74 I/O_B2 75 I/O_B2 76 I/O_B2 77 I/O_B2 78 GNDIO 79 I/O_B2 81 I/O_B2 82 I/O_B2 83

22、 I/O_B2 84 I/O_B2 85 I/O_B2 86 I/O_B2 87 VCCINT 88 I/O_B2 89 GNDINT 90 I/O_B2 91 I/O_B2 92 GNDIO 93 I/O_B2 95 I/O_B2 96 I/O_B2 97 I/O_B2 98 I/O_B2 99 I/O_B2 100 IC1 1 2 3 4 5 6 7 8 9 10 X6 +3.3S GND GND J_TCK J_TCK J_TDO J_TDO J_TMS J_TMS J_TDI J_TDI +3.3S +3.3S +3.3S +3.3S +3.3S +3.3S +3.3S +3.3S +

23、3.3S +3.3S GND GND GND GND GND GND GND GND GND GND MCU_RST MCU_RST1 100p C1 100p C3 100p C4 100p C5 100p C7 GND GND 3n3 C10 ADD_2 CPLD JTAG J_RX J_TX J_RESET SDATA SDATA1 SDATA1 7.3728MHz X3 15p C8 15p C9 LCD_BUSY Reset PB0_ADD1 PB0_ADD1 MCU_MOSI MCU_SCK MCU_MISO MCU_MOSI MCU_SCK MCU_MISO GND +3.3S

24、J_PROG 100p C2 390p C6 PDI PDO Front_IR NI R4 +3.3S B_dispmode_ B_latenight_ B_setup_ B_trim-_ B_trim+_ B_back_ B_enter_ B_down_ B_up_ B_zone_ B_standby_ Knob1_B Knob2_A Knob2_B Knob3_A Knob3_B A_PWR_MUTE B_PWR_MUTE A_PWR_MUTE B_PWR_MUTE I_L I_LS I_LBS I_C I_LFE I_S I_RS I_R I_RBS O_L O_LS O_LBS O_C

25、 O_LFE O_S O_R O_RS O_RBS L_A L_F L_B L_C L_D L_E IR_B IR_A To IO20 +15A +5S GND 100p C16 GND 100p C13 100p C12 100p C15 GND GND GND GND VFD_SCK GND +5D VFD_STB VFD_SISO 1 2 3 4 5 6 X2 To VFD VFD_SCK VFD_STB VFD_SISO MicroMatch F-20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 X9 GND GND GND G

26、ND GND 100p C18 GND 100p C14 GND 100p C19 GND GND GND 3K90 R10 3K90 R11 GNDGND IR_B IR_A IR_B_Co IR_A_Co IR_B_Co IR_A_Co IR_B_Co IR_B_M IR_A_M 10K0 R19 10K0 R21 +3.3S+3.3S 10K0 R18 10K0 R20 +3.3S+3.3S MicroMatch F-20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 X8 MicroMatch F-20 1 2 3 4 5 6 7

27、 8 9 10 11 12 13 14 15 16 17 18 19 20 X7 LED_latenight_ LED_zone_ LED_standby_ B_dispmode B_latenight B_setup B_trim- B_trim+ B_back B_enter B_down B_up B_zone B_standby B_dispmode_ B_latenight_ B_setup_ B_trim-_ B_trim+_ B_back_ B_enter_ B_down_ B_up_ B_zone_ B_standby_ LED_latenight LED_zone LED_s

28、tandby LED_latenight_ LED_zone_ LED_standby_ +3.3S+3.3K GND NKGB Out 1 Gnd 3 Vcc 2 IR receiver IR1 100R R14 220n C11 100R R15 NKGB +3.3K Front_IRFront_IR_ Front_IR_ GND GND GND NKGB NKGB NKGB 100R R1 100R R2 100R R5 100R R7 100R R8 10K0 R9 10K0 R12 10K0 R13 100R R16 100R R17 100R R22 100R R23 100R R

29、24 100R R25 100R R26 10K0 R3 10K0 R6 NI 1 2 X10 GND TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP15 TP16 TP13 TP14 TP12 VFD_SCK VFD_STB VFD_SISOJ_POWER B_standby_ B_standby_ 2K20 R47 2K20 R40 2K20 R33 A 7 Y 13 74HCT541 IC3G A 4 Y 16 74HCT541 IC3D A 8 Y 12 74HCT541 IC3H A 5 Y 15 74HCT541 IC3E A 2

30、Y 18 74HCT541 IC3B A 6 Y 14 74HCT541 IC3F A 3 Y 17 74HCT541 IC3C OE2 19 VCC 20 OE1 1 GND 10 74HCT541 IC3A 74HCT541 A 9 Y 11 IC3I Ni 0R R166 Ni 0R R170 Ni 0R R169 GND GND GND +5DGND GND GNDGND GND GR_LEDS 100R R178 RadioFans.CN 收音机爱好者资料库 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA FIN33720 Tampere L

31、yngdorf Audio Oy Hermiankatu 6 A Finland Drawn by Project PageDate Version 222.06.2009 Board nameSheet File / 3 H:FilesDesignFP27CFrontPanel_b.SchDoc C LEDsFP27MX 150 100n C75 +5D GND 1 2 3 4 5 6 7 8 9 10 11 12 J1 1 2 3 4 5 6 7 8 9 10 11 12 J5 1 2 3 4 5 6 7 8 9 10 11 12 J2 I_L1 I_L2 I_LS1 I_LS2 I_LB

32、S1 I_LBS2 I_C1 I_C2 I_R1 I_R2 I_LFE1 I_LFE2 I_RS1 I_RS2 I_S1 I_S2 I_RBS1 I_RBS2 A1 A2 A3 A4 A5 B1 B2 B3 B4 B5 C1 C2 C3 C4 C5 D1 D2 D3 D4 D5 E1 E2 E3 E4 E5 F1 F2 F3 F4 F5 O_L1 O_L2 O_LS1 O_LS2 O_LBS1 O_LBS2 O_C1 O_C2 O_R1 O_R2 O_LFE1 O_LFE2 O_RS1 O_RS2 O_S1 O_S2 O_RBS1 O_RBS2 1 2 3 4 5 6 7 8 9 10 11

33、12 J3 +5DGND GND 1 2 3 4 5 6 7 8 9 10 11 12 J4 +5DGND 1 2 3 4 5 6 7 8 9 10 11 12 J6 GND I_L 1 23 TR1 BCW32 I_L1 I_L2 I_LS1 I_LS2 I_LBS1 I_LBS2 I_C1 I_C2 I_R1 I_R2 I_LFE1 I_LFE2 I_RS1 I_RS2 I_S1 I_S2 I_RBS1 I_RBS2 A1 A2 A3 A4 A5 B1 B2 B3 B4 B5 C1 C2 C3 C4 C5 D1 D2 D3 D4 D5 E1 E2 E3 E4 E5 F1 F2 F3 F4

34、F5 O_L1 O_L2 O_LS1 O_LS2 O_LBS1 O_LBS2 O_C1 O_C2 O_R1 O_R2 O_LFE1 O_LFE2 O_RS1 O_RS2 O_S1 O_S2 O_RBS1 O_RBS2 100n C27 GND GND 100n C20 GND I_LS 1 23 TR7 BCW32 100n C52 GND GND 100n C44 GND I_C 1 23 TR8 BCW32 100n C53 GND GND 100n C45 GND I_RS 1 23 TR9 BCW32 100n C54 GND GND 100n C46 GND I_LFE 1 23 T

35、R2 BCW32 100n C33 GND GND 100n C21 GND I_R 1 23 TR3 BCW32 100n C34 GND GND 100n C22 GND I_LBS 1 23 TR13 BCW32 100n C68 GND GND 100n C60 GND I_S 1 23 TR14 BCW32 100n C69 GND GND 100n C61 GND I_RBS 1 23 TR15 BCW32 100n C70 GND GND 100n C62 GND O_L 1 23 TR4 BCW32 100n C36 GND GND 100n C23 GND O_C 1 23

36、TR5 BCW32 100n C39 GND GND 100n C24 GND O_LS 1 23 TR10 BCW32 100n C55 GND GND 100n C47 GND O_LBS 1 23 TR16 BCW32 100n C71 GND GND 100n C63 GND O_LFE 1 23 TR11 BCW32 100n C56 GND GND 100n C48 GND O_S 1 23 TR17 BCW32 100n C72 GND GND 100n C64 GND O_R 1 23 TR6 BCW32 100n C41 GND GND 100n C25 GND O_RS 1

37、 23 TR12 BCW32 100n C57 GND GND 100n C49 GND O_RBS 1 23 TR18 BCW32 100n C73 GND GND 100n C65 GND L_A 1 23 TR19 BCW32 100n C91 GND GND 100n C76 GND 100n C77 100n C86 100n C96 GND GND GND L_B 1 23 TR20 BCW32 100n C92 GND GND 100n C78 GND 100n C79 100n C87 100n C97 GND GND GND L_C 1 23 TR21 BCW32 100n

38、C93 GND GND 100n C80 GND 100n C81 100n C88 100n C98 GND GND GND L_D 1 23 TR22 BCW32 100n C94 GND GND 100n C82 GND 100n C83 100n C89 100n C99 GND GND GND L_E 1 23 TR23 BCW32 100n C95 GND GND 100n C84 GND 100n C85 100n C90 100n C100 GND GND GND L_F 1 23 TR24 BCW32 100n C104 GND GND 100n C101 GND 100n

39、C102 100n C103 100n C105 GND GND GND D1D2D3 100n C26 100n C42 100n C43 LED_latenightLED_zoneLED_standby NKGBNKGBNKGBNKGBNKGBNKGB D4 100n C50 GND +5D D5 100n C51 +5D D6 100n C58 +5D D7 100n C59 +5D D8 100n C66 +5D D9 100n C67 +5D D10 100n C74 +5D 2K20 R41 2K20 R42 2K20 R43 2K20 R64 2K20 R65 2K20 R66

40、2K20 R67 2K20 R68 2K20 R69 2K20 R90 2K20 R89 2K20 R88 2K20 R87 2K20 R86 2K20 R85 2K20 R116 2K20 R117 2K20 R118 2K20 R119 2K20 R120 2K20 R126 2K20 R44 2K20 R45 2K20 R46 TP20TP21TP22TP23TP24TP25 TP27TP28TP29TP30TP31TP32 TP38TP37TP36TP35TP34TP33 TP39TP40TP41TP42TP43 TP44 Led spacer M31 Led spacer M32 L

41、ed spacer M33 Led spacer M34 Led spacer M35 Led spacer M37 Led spacer M39 Led spacer M40 Led spacer M38 Led spacer M36 300R R27 300R R34 300R R28 300R R35 300R R29 300R R36 300R R30 300R R37 300R R31 300R R38 300R R32 300R R39 300R R53 300R R61 300R R52 300R R60 300R R51 300R R59 300R R50 300R R58 3

42、00R R49 300R R57 300R R48 300R R56 300R R70 300R R78 300R R71 300R R79 300R R72 300R R80 300R R73 300R R81 300R R74 300R R82 300R R75 300R R83 300R R106 300R R101 300R R91 300R R92 300R R111 300R R94 300R R107 300R R102 300R R112 300R R93 300R R95 300R R103 300R R96 300R R108 300R R113 300R R97 300R

43、 R109 300R R104 300R R98 300R R114 300R R99 300R R110 300R R100 300R R105 300R R115 300R R123 300R R122 300R R121 300R R124 300R R125 1 23 TR27 BCW32 GR_LEDS 2K20 R171 GND 1 23 TR28 BCW32 GR_LEDS 2K20 R172 GND 1 23 TR29 BCW32 GR_LEDS 2K20 R173 GND 1 23 TR30 BCW32 GR_LEDS 2K20 R174 GND 1 23 TR31 BCW3

44、2 GR_LEDS 2K20 R175 GND 1 23 TR32 BCW32 GR_LEDS 2K20 R176 GND 1 23 TR33 BCW32 GR_LEDS 2K20 R177 180R R54 180R R55 180R R62 180R R63 180R R76 180R R77 180R R84 1112 FRONT 320348 SCH 2 OF 32 RadioFans.CN 收音机爱好者资料库 MX150 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA FIN33720 Tampere Lyngdorf Audio Oy He

45、rmiankatu 6 A Finland Drawn by Project PageDate Version 306.07.2009 Board nameSheet File / 3 H:FilesDesignFP27CFrontPanel_c.SchDoc C ButtonsFP27MX 150 JN5139-Z01-M00 ADC4 1 DAC1 2 DAC2 3 COMP2+ 4 COMP2- 5 SPICLK 6 SPIMISO 7 SPIMOSI 8 SPISSZ 9 SPISEL1/DIO0 10 SPISEL2/DIO1 11 SPISEL3/DIO2 12 SPISSM 13

46、 SPISWP 14 SPISEL4/DIO3 15 CTS0/DIO4 16 RTS0/DIO5 17 TXD0/DIO6 18 RXD0/DIO7 19 TIM0GT/DIO8 20 TIM0_CAP/DIO9 21 TIM0_OUT/DIO10 22 TIM1GT/DIO11 23 VDD 24 GND 25 VSSA 26 TIM1_CAP/DIO12 27 TIM1_OUT/DIO13 28 RESET# 29 SIF_CLK/DIO14 30 SIF_D/DIO15 31 DIO16 32 CTS1/DIO17 33 RTS1/DIO18 34 TXD1/DIO19 35 RXD1

47、/DIO20 36 COMP1- 37 COMP1+ 38 ADC1 39 ADC2 40 ADC3 41 IC4 J_RX J_TX J_RESET GND GND 1 MH3 1 MH2 1 MH1 100n C29 100n C30 100n C31 100n C32 100n C17 In 1 GND 2 Out 3 GND 4 LM2937MP-3.3 IC5 10u 16V C35 +5S+3.3S GNDGNDGNDGND 100n C28 GND +3.3S J_PROG +3.3S 100n C37 100n C38 NI C40 GND GND GND GND Calibration dot FI2 Calibration dot FI1 +3.3K 10n C114 NKGB 12 43 Shield 5 S1 Tact MC B_dispmodeB_latenightB_setupB_trim-B_trim+ B_backB_enterB_downB_upB_zone B_standby +3.3K