Alto-AMX80-mix-sm维修电路原理图.pdf

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1、RadioFans.CN 收音机爱好者资料库CONTENT1. INTRODUCTION .12.TECHNICAL SPECIFICATION.23. BLOCK DIAGRAM .34. SCHEMATIC DIAGRAM .45. WIRING DIAGRAM .66. PCB LAYOUT .77. TEST PROCEDURE .98. EXPLODED VIEW & MECHANICAL PARTS LIST .119. BOM .13RadioFans.CN 收音机爱好者资料库1. INTRODUCTION- 1 MIC Input channel with gold pla

2、ted XLR and balanced line inputs- 2 Stereo input channel with balanced TRS jacks- Extremely high headroom-offering dynamic range- Balanced inputs for highest signal interity- Warm, natural 2-Band EQ on mono channel.- Warm, natural 2-Band EQ on mono channel.- Balanced TRS and Headphone Outputs- 2-tra

3、ck inputs assignable to main mix, headphone output - Highly accurate 4 segment bar graph meters- Performance and excellent noise figures- Manufactures under ISO 9001 certified management system- 1 -RadioFans.CN 收音机爱好者资料库2.TECHNICAL SPECIFICATIONXXXX- 2 -RadioFans.CN 收音机爱好者资料库3. BLOCK DIAGRAM- 3 -R

4、adioFans.CN 收音机爱好者资料库4. SCHEMATIC DIAGRAM- 4 -RadioFans.CN 收音机爱好者资料库- 5 -RadioFans.CN 收音机爱好者资料库- 5 -RadioFans.CN 收音机爱好者资料库5. WIRING DIAGRAM- 6 -RadioFans.CN 收音机爱好者资料库HB02128-AMX-80 TOP LAYER TOP OVERLAY6. PCB LAYOUT- 7 -RadioFans.CN 收音机爱好者资料库HB02128-AMX-80 BOTTOM LAYER BOTTOM OVERLAY- 8 -Radio

5、Fans.CN 收音机爱好者资料库7. AMX-80 TEST PROCEDURE 1. Test instruments: 1). AP ( Audio precision ) 2).Dual track oscilloscope 3. Volt meter 2. Instrument setting: 1). AP output : 0dBu 1Khz SINE wave, Load out 40? Bal-Float or Load out 600?BNC-Unbal. 2). AP input : Load 100K?BNC-Unbal or Load 100K?Bal-Float

6、BW?22Hz22KHz. Fltr?A-Weighting(1207) 3. Visual Check: 1). Check the AMX-80 surface; and be sure no friction of all pots. 4. Functions Test: 1). Set all knob to 0 position, TRIM to minimum , and MAIN MIX LEVEL to middle position. 2). Set AP output to -30 dBu, connecting unbalanced input to LINE IN 1,

7、 unbalanced output to MAIN OUTPUT, then the output LEVEL should be -45dBu(3dBu) Set TRIM to maximum, output LEVEL should be 0dBu(3dBu)(After test set TRIM back to minimum) 3). Set AP output to +15dBu, connecting unbalanced input to LINE IN 1, unbalanced output to MAIN OUTPUT, then the output LEVEL s

8、hould be 0dBu(3dBu) THD+N0.005%. Rotate CH LEVEL to maximum, output LEVEL should be +15dBu (3dBu) THD+N0.005%. (After test set CH LEVEL back to middle position) Rotate MAIN MIX LEVEL to maximum, the output LEVEL should be +15dBu (3dBu) THD+N0.008%. (After test set MAIN MIX LEVEL back to middle posit

9、ion, and CH LEVEL to minimum.) 4). Set AP input to 0dBu, connecting unbalanced input with LINE2/3LINE4/5, unbalanced output to MAIN OUTPUT, then the output LEVEL should be 0dBu (3dBu) THD+N0.005%. Rotate CH LEVEL to maximum, the output should be +15dBu (3dBu) THD+N0.005%. (After test set CH LEVEL ba

10、ck to middle position) 5). Set AP input to 0dBu, connecting balanced input to MIC1, and the unbalanced output to MAIN OUTPUT, then the level should be 0 dBu (3dBu), THD+N0.005%. (After test set CH LEVEL back to middle position) Set the MAIN MIX LEVEL knob to maximum, the output level should be +15dB

11、u (3dBu), THD+N0.008%. (After test set MAIN MIX LEVEL back to middle position. And set the CH LEVEL to minimum. ) 6). Set AP input to +15dBu, connecting unbalanced input to LINE IN1, and the unbalanced output to PHONES, the output level should be 0dBu(3dBu) THD+N0.01%. Rotate the CH LEVEL to maximum

12、, output level should be +15dBu (3dBu), THD+N0.006%.( After test set the knob to central position ) Set the MAIN MIX LEVEL to maximum, the output level should be+15dBu (3dBu), THD+N0.01%.( After test set the knob to central position) - 9 -RadioFans.CN 收音机爱好者资料库Set the PHONES to maximum, the output

13、level should be+10dBu (3dBu), THD+N0.006%. ( After test set the knob to central position and CH LEVEL to minimum. ) 7). Set AP input to 0dBu, connecting unbalanced input at LINE IN2/3 LINE IN4/5, and the unbalanced output to PHONES, the output level should be 0dBu(3dBu) THD+N0.01%. Rotate the CH LEV

14、EL to maximum, output level should be +15dBu (3dBu), THD+N0.006%.( After test set the knob to central position ) Set the MAIN MIX LEVEL to maximum, the output level should be+15dBu (3dBu), THD+N0.01%.( After test set the knob to central position) Set the PHONES to maximum, the output level should be

15、+10dBu (3dBu), THD+N0.006%. ( After test set the knob to central position and CH LEVEL to minimum. ) 8). Set AP input to +15dBu, connecting unbalanced input at LINE IN1, and the unbalanced output to TAPE OUT, the output level should be 0dBu(3dBu) THD+N0.005%. Rotate the CH LEVEL to maximum, output l

16、evel should be +15dBu (3dBu), THD+N0.005%.( After test set the knob to central position ) Set the MAIN MIX LEVEL to maximum, the output level should be+15dBu (3dBu), THD+N0.008%. ( After test set the knob to central position and CH LEVEL to minimum. ) 9). Set AP input to 0dBu, connecting unbalanced

17、input at LINE IN2/3 LINE IN4/5, and the unbalanced output to TAPE OUT, the output level should be 0dBu(3dBu) THD+N0.005%. Rotate the CH LEVEL to maximum, output level should be +15dBu (3dBu), THD+N0.005%.( After test set the knob to central position ) Set the MAIN MIX LEVEL to maximum, the output le

18、vel should be+15dBu (3dBu), THD+N0.008%. ( After test set the knob to central position and CH LEVEL to minimum. ) 10). Set AP input to 0dBu, connecting unbalanced input to TAPE IN and the unbalanced output to MAIN OUTPUT, then press the TAPE TO MIX key ,the output level should be 0dBu(3dBu) THD+N0.0

19、05%. Set the MAIN MIX LEVEL to maximum, the output level should be+15dBu (3dBu), THD+N0.009%. ( After test repeat press the key once ) 11). Set AP input to 0dBu, connecting unbalanced input to TAPE IN and the unbalanced output to TAPE OUT, then press the TAPE TO MIX key ,the output level should be 0

20、dBu(3dBu) THD+N0.005%. Set the MAIN MIX LEVEL to maximum, the output level should be+15dBu (3dBu), THD+N0.009%. ( After test repeat press the key once ) 12). Set AP input to 0dBu, connecting unbalanced input to TAPE IN and the unbalanced output to PHONES, then press the TAPE TO PHONES key ,the outpu

21、t level should be 0dBu(3dBu) THD+N0.005%. Set the PHONES control to maximum, the output level should be 10dBu (3dBu), THD+N0.009%. ( After test repeat press the key once ) - 10- RadioFans.CN 收音机爱好者资料库6. Random check Connect AMX-80 to high quality amplifier and speaker, to check if the sound is norm

22、ally.7. The shipment setting of the AMX-80Set all the volumes knobs to minimum, all the other knobs to middle position, and all the switches to off position.Test Complete5. Frequency Response test With unbalance input connecting LINE IN of the AMX-80, set the high EQ knob to maximum & low EQ knob to

23、 minimum(the mid EQ to middle position),and use unbalanced output to connect MAIN OUT. The frequency response diagram should be as following:- 11 -RadioFans.CN 收音机爱好者资料库8. EXPLODED VIEW & MECHANICAL PARTS LIST- 12-RadioFans.CN 收音机爱好者资料库- 12 -RadioFans.CN 收音机爱好者资料库ClassPart No. Part NameSpecificat

24、ionQTYRemarkPF03243MIXERAMX-80_ALTO_230V1?0001MA06128panle-RSAMX-80 ALTO_V1.31?0002MB04892chassis-RSAMX-80 ALTO_V1.21?0003HI00171power switch-RSR612KKAT0F11?0004NI02084knob?10.5*18mm1?0005NI02817knob?10.5*18mm1?0006NI02082knob?10.5*18mm3?0007NI02083knob?10.5*18mm2?0008NI00826knob?12*18mm double colo

25、r3?0009NI02837knob?35*11mm 534C1?0010NI02377knob-RS?5.5*7.5(3.3*3.3mm)_V1.22?0011MG00041screwM3*6 13?0012MG00061screw-RSM3*103?0013ME00060MIC jackJY-6351G-02-2508?0014MF00061MIC jack?9.6*?13*0.5t9?0015NA00121PE bag0.04t*280*220mm1?0016NB04908gift carton-RSAMX-80 ALTO_V1.11?0017NB04909barrier-RSAMX-8

26、0_V1.21?0018NF00061assurance cardALTO1?0019NE05004labelALTO4?0001NH00334cone paper0.040*1m1?0020NF02625user manual-RSAMX-80 ALTO_V1.01?0001NH00149paper889*640mm0.75?0021NE16344lable-RSAMX-80_V1.04?0001NI00014membrane0.035*1M 1?0002NH00012bond paper0.04*1M 1?0022NE02717labelMADE IN CHINA2?0001NH00038

27、paper0.115*1M1?0002NI00028membrane0.110*1M 1?0023TG00212adaptor-RS230V/50Hz_AC18V/500mA_EI-41_CE1?0024NI00245sleeve?3*10mm 3?0001NI00243sleeve?3*1000mm 10?0025NI00261sleeve?5*20mm 2?0001NI00258sleeve?5*1000mm 20?0026HC00839DC power jack-RSSCD554CCS103BB4G1?0027NI00378plastic washer9*13 used to PU so

28、cket1?0028NC00037cushion-RS-ACT1t*?8*?12.5mm XM1602_V1.11?0001NC01110insulator1.0t*65mm(+0.1)*60M0.3?0029NI00498self-adhere foot cushion12.7*7*6mm(SF-005)4?0030HA00040wire-RS60mm yellow L5R51?0031HA01551wire-RS2P 80mm UL1007 26AWG1?0032HK07192PC board-RSP-AMX-80-DIP1?0001CB00073electrolytic capacito

29、r1000uF/35V ?13*20mm2C106,C107?0002HC00076connector(male)2P 2.5mm 180 1CN1?0003SD00077integrated circuit-RSL7815CV(TO220)/(ST/MOROCCO)1IC1?0004SD00079integrated circuitL7915CV(TO220)/(ST)1IC2?0005RC00358potentiometerB50K?-RD09F113A223-50K2BT(SAS1);30F-C2VR2,VR3?0006RC00465potentiometerB5K? RD09F113A

30、225-5K2BT(SAS1);30F-C3VR5,VR10,VR119.BOM-13 -RadioFans.CN 收音机爱好者资料库ClassPart No. Part NameSpecificationQTYRemark?0007SD00007integrated circuitBA15218N(use M5218Linstead )(SIP8)/(ROHM)2U15,U16?0008HC00126balance MIC jack-RSJY-5042-030G female plug 1801X1?0009SA00052L.E.D?3 round(green)long foot 265L

31、D5,LD6,LD7,LD8,LD9?0010HC00125MIC jack-RSJY-6351G-02-2508X2,X3,X4,X5,X6,X7,X8,X9?0011HI00236push-button switch-RS2 6P PS-92 26A(SELF-LOCK)2SW3,SW4?0012SA00053L.E.D?3 round(red)long foot 26mm5LD1,LD2,LD3,LD4,LD10?0013HC00528RCA jackSCP6873NS3232T1 4P red white1X10?0014RC00359potentiometerW50K? RD09F1

32、13A224-50K4BT(SAS1);30F-C1VR4?0015RC00361potentiometerW50K? RD12L12CA60B-50K4BT*2(SAS1);30F-C3VR6,VR7,VR9?0016RC00617potentiometer(dual unit)-RSW50K? RD12L12CA606-50KBT*2(SAS);20F-C1VR8?0017SA00054L.E.D3m/m round(yellow)long foot 262LD11,LD12?0018RC00356potentiometerZ10K? RD09F1130042-10KZ(SAS1);30F

33、1VR1?0019NI01782LED spacer supportLEDS-11 11mm12?0020MI02702bady-RS-ACTMIX50 2t*29*35*39_V1.01?0001MJ00055AL plate2*2000*1000 10.88kg 1?0021ME00015color nut3m/m 2?0022MF00037washer?3.2*?5.5*1t2?0023MG00162screwM3*8 2?0024NI02249plastic washerTW-1(TO-220)2?0025NC00005micaSB-9500DSP 18*13*0.1t_V1.02?0

34、026ND00155EV foam25*20*51?0027AC00179tin without lead-RSM705E Sn 3Ag-0.5Cu9.5148?0028HK07193PC board-RSP-AMX-80-SMD1?0001SE00011SMD rectifier diodeRLS4148 0.5A (LL-34) 8D1,D2,D3,D4,D5,D6,D9,D10?0002RD00224SMD precise resistor 1/10W100K? 1% 0603 4R132,R133,R134,R135?0003CI00059SMD ceramic capacitor 0

35、603100PF/50V NPO 5% 10C38,C39,C40,C41,C42,C43,C44,C45,C46,C47?0004CI00075SMD ceramic capacitor 06030.1uF/50V Y5V +80,-20%27C80,C81,C82,C83,C84,C85,C86,C87,C88,C89,C90,C91,C92,C93,C94,C95,C96,C97,C98,C99,C100,C101,C102,C103,C116,C117,C119?0005RD00214SMD precise resistor 1/10W10.0K? 1% 0603 37R5,R6,R7

36、,R23,R50,R51,R52,R53,R54,R55,R56,R57,R58,R59,R60,R61,R62,R63,R64,R65,R66,R67,R68,R69,R70,R71,R72,R73,R136,R137,R140,R85,R131,R138,R139,R14,R15?0006RD00272SMD precise resistor 1/10W10.0? 1% 06031R125?0007RD00275SMD precise resistor 1/10W110? 1% 06031R126?0008RD00069SMD fixed resistor 1/10W120? 5% 060

37、3 8R99,R100,R101,R102,R103,R104,R105,R106?0009RD00200SMD precise resistor 1/10W150? 1% 0603 1R127?0010RD00282SMD precise resistor 1/10W1.00K? 1% 06033R110,R111,R128?0011RD00201SMD precise resistor 1/10W1.50K? 1% 0603 3R39,R74,R75?0012RD00292SMD precise resistor 1/10W1.00M? 1% 06031R31?0013RD00219SMD

38、 precise resistor 1/10W20.0K? 1% 0603 9R78,R79,R80,R81,R82,R83,R84,R91,R92?0014CI00109SMD ceramic capacitor 060320PF/50V C0G5%(C1608C0G1H200JT)/TDK2C37,C110- 14 -RadioFans.CN 收音机爱好者资料库ClassPart No. Part NameSpecificationQTYRemark?0015CI00051SMD ceramic capacitor 060322PF/50V C0G5%(C1608C0G1H220JT)/

39、TDK26C9,C10,C48,C49,C50,C51,C52,C53,C54,C55,C56,C57,C66,C67,C68,C69,C70,C71,C72,C73,C74,C75,C76,C77,C112,C113?0016RD00106SMD fixed resistor 1/10W27K? 5% 0603 2R116,R117?0017RD00265SMD fixed resistor 1/10W27? 5% 06031R12?0018RD00203SMD precise resistor 1/10W2.00K? 1% 0603 1R130?0019RD00329SMD precise

40、 resistor 1/10W30.0K? 1% 06034R93,R94,R95,R96?0020RD00370SMD precise resistor 1/10W33.2K? 1% 06032R37,R38?0021RD00407SMD precise resistor 1/10W36.0K? 1% 06035R32,R33,R34,R35,R36?0022SF00053transistorMMBT3906(SOT23)/(PHI)2TR3,TR4?0023RD00406SMD precise resistor 1/10W3.60K? 1% 06034R8,R9,R97,R98?0024R

41、D00414SMD precise resistor 1/10W3.90K? 1% 06031R20?0025CI00063SMD ceramic capacitor 0603470PF/50V NPO 5?3C1,C2,C3?0026RD00078SMD fixed resistor 1/10W470? 5% 0603 2R123,R124?0027RD00339SMD precise resistor 1/10W47.0K? 1% 06033R21,R46,R90?0028CI00055SMD ceramic capacitor 060347PF/50V C0G5%(C1608C0G1H4

42、70JT)/TDK1C115?0029RD00298SMD precise resistor 1/10W47.0? 1% 06032R1,R2?0030RD00341SMD precise resistor 1/10W4.70K? 1% 06036R40,R41,R42,R43,R44,R45?0031RD00371SMD precise resistor 1/10W51.1K? 1% 06032R3,R4?0032RD00094SMD fixed resistor 1/10W5.1K? 5% 0603 9R47,R48,R49,R76,R77,R86,R87,R88,R89?0033RD00

43、210SMD precise resistor 1/10W5.11K? 1% 0603 6R10,R11,R13,R16,R114,R115?0034RD00211SMD precise resistor 1/10W5.49K? 1% 0603 2R112,R113?0035RD00510SMD precise resistor 1/10W6.20K? 1% 06034R25,R28,R29,R30?0036RD00326SMD precise resistor 1/10W6.80K? 1% 06035R17,R19,R22,R26,R27?0037RD00082SMD fixed resis

44、tor 1/10W820? 5% 0603 1R129?0038SF00033SMD transistor-RS-ACTBC846B(SOT23)/(PHI)6TR1,TR2,TR5,TR6,TR7,TR8?0039RD00327SMD precise resistor 1/10W8.20K? 1% 06032R108,R109?0040SE00008SMD rectifier diodeDA204K/T-146 1D7?0041SG00116SMD integrated circuitBA10339FV E2(SSOP-B14)/(ROHM)2U13,U14?0042RD00213SMD p

45、recise resistor 1/10W7.50K? 1% 0603 1R18?0043HK07170PC board-RSP-AMX-80-AI1?0001HB02128PCB-RSAMX-80_VER0612221?0002CC00074mylar capacitor-RS-ACT0.01uF/100V 3%2C104,C105?0003RA01260fixed resistor 1/4W120?2R107,R122?0004SA00159rectifier diode1A/1000V IN40072D14,D15?0005SA00328Schottky barrier diode-RS

46、1N5817(DO-41)2D12,D13?0006CB00242electrolytic capacitor22uF/35V ?5*11mm2C4,C5?0007CC00059mylar capacitor0.033uF/100V 3%2C78,C79?0008CC00063mylar capacitor-RS0.0039uF/100V 10%1C36?0009RA01259fixed resistor 1/4W47?4R118,R119,R120,R121?0010CB00194electrolytic capacitor47uF/25V ?5*11mm36C8,C12,C13,C14,C

47、15,C16,C17,C18,C19,C20,C21,C22,C23,C24,C25,C26,C27,C28,C29,C30,C31,C32,C33,C34,C35,C58,C59,C60,C61,C62,C63,C64,C65,C108,C109,C111?0011CB00334electrolytic capacitor-RS47uF/50V ?6.3*11mm2C6,C7?0012HA01933jump2.5mm 1CN2?0013RA01413fixed resistor 1/4W2.7K?2R141,R142- 15 - RadioFans.CN 收音机爱好者资料库ClassPar

48、t No. Part NameSpecificationQTYRemark?0044SG00558integrated circuit-RS4580M(SOP8)/(YW)12U1,U2,U3,U4,U5,U6,U7,U8,U9,U10,U11,U12?0029CB00255electrolytic capacitor1000uF/10V ?8*11mm 5mm1C11?0030SD00238integrated circuitMC78L18ACP(TO92)/(ON)1IC3?0033HJ00002dessicant10g 1?0034NB04919carton-RSAMX-80 ALTO_V1.11- 16 -RadioFans.CN 收音机爱好者资料库