Alto-L6-mix-sm 电路图 维修手册.pdf

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1、 Version 1.0 MODEL: L-6 RadioFans.CN 收音机爱 好者资料库 CONTENTS 1. Introduction.2 2. Specification.3 3. Black Diagram.4 4. Schematic Diagram5 5. Wiring Diagram.10 6. PCB Layout.11 7. Test Procedure.16 8. BOM.22 RadioFans.CN 收音机爱 好者资料库 1. Introduction1. Introduction T h e L- 6L- 6 i s 2 m o n o M IC/ LINE c

2、 h a n n e l s w i t h M IC PREA M PS p l u s 2 st e r e o c h a n n e l s p e r f e c t f o r k e y b o a r d s, M ID I e q u i p m e n t o r o t h e r st e r e o so u n d so u r c e s a n d a 2 - t r a c k i n p u t / o u t p u t f o r r e c o r d i n g a n d p l a y b a c k i n a m i x e r sm a l

3、 l e n o u g h t o c a r r y i n y o u r b o a r d l u g g a g e : y o u c a n f i n d g r e a t 3- b a n d e q u a l i z e r s i n e a c h c h h a n n e l , o n e A U X se n d s, o n e st e r e o r e t u r n s, p h a n t o m p o w e r a n d a c c u r a t e p e a k LED a n d l e v e l m e t e r s. P

4、l u s o f c o u r se o u r u l t r a l o w n o i se c i r c u i t r y a n d e x c e p t i o n a l b u i l d q u a l i t y . - 2 M IC In p u t Ch a n n e l s w i t h g o l d p l a t e d XLRs a n d b a l a n c e d Li n e In p u t s. - 2 S t e r e o In p u t Ch a n n e l s w i t h b a l a n c e d T RS

5、Ja c k s. - U l t r a - l o w n o i se d i sc r e t e M IC Pr e a m p s w i t h +48 V Ph a n t o m Po w e r . - Ex t r e m e l y h i g h h e a d r o o m o f f e r i n g m o r e d y n a m i c r a n g e . - B a l a n c e d In p u t s f o r h i g h e st si g n a l i n t e g r i t y . - W a r m , n a t

6、u r a l 3- b a n d EQ o n e a c h c h a n n e l s. - Pe a k LED s o n e a c h m o n o Ch a n n e l s a n d e a c h st e r e o Ch a n n e l s. - A d j u st s t h e i n p u t se n si t i v i t y o n e a c h st e r e o c h a n n e l s. - 1 A U X S e n d s p e r c h a n n e l f o r e x t e r n a l e f f

7、 e c t s a n d m o n i t o r i n g . - B a l a n c e d T RS a n d XLR o u t p u t s, Co n t r o l Ro o m a n d H e a d p h o n e O u t p u t s. - 2 - T r a c k In p u t s a ssi g n a b l e t o M a i n M i x , Co n t r o l Ro o m / H e a d p h o n e O u t p u t s. - H i g h l y a c c u r a t e 6 se g

8、 m e n t B a r g r a p h M e t e r s. - Pe r f o r m a n c e a n d e x c e l l e n t n o i se f i g u r e s - Ru g g e d c o n st r u c t i o n e n su r e s l o n g l i f e e v e n u n d e r t h e m o st d e m a n d i n g c o n d i t i o n s - M a n u f a c t u r e d u n d e r IS O 9 0 0 1 c e r t i

9、 f i e d m a n a g e m e n t sy st e m RadioFans.CN 收音机爱 好者资料库 Mono input channels Microphone inputElectronically balanced, discrete input configuration Frequency response10Hz to 55kHz, +3dB Distortion(THD b. Input the signal at 2.5kHz, Turn EQ MID knob of the relating channel clockwise to the max (

10、+12), the output is +12dBu( 2dB), then turn EQ MID knob of the relating channel counter-clockwise to the min. (-12), the output is 12dBu( 2dB); c. Input the signal at 15kHz, Turn EQ HIGN knob of the relating channel clockwise to the max (+15), the output is +15dBu( 3dB), then turn EQ HIGH knob of th

11、e relating channel counter-clockwise to the min. (-15), the output is 15dBu( 3dB); 4. test DSP a. Input the signal from MIC1, output the signal from MAIN MIX OUTPUT, turn AUX RTN2(DFX)clockwise to the MAX, turn PRESETS and VARATIONS knobs, the signal will be processed by DSP, if the level of the sig

12、nal is over-high, PEAK LED will be illuminated to red, press DFX MUTE button, Bypass the signal, press the footswitch, which is connected to DFX FOOSWITCH, the signal will get out of BYPASS. b. Input the signal from MIC 1 to MIC 4, output the signal from AUX SEND S1, turn AUX 2 /DFX TO AUX 1 counter

13、-clockwise to the MAX., turn PRESET and VARATIONS knobs, the signal will be processed by DSP. (do not need to test L6 with this step) 5. Sampling test Connecting L 6 to a power amplifier and speakers, listening to the sound, no noise is OK. Company preset: turn all volume knobs to the MIN. other con

14、trol knobs to the middle, all switches to the position of OFF. DONE No. Part No.DescriptionSpecificationQty 1MA04257 PanelL-6 ALTO1 2HK02233 K-PCBP-L6G-DIP1 3MF00061 Washer (MIC jack)JY-6531G-02-25014 4ME00060 Screw (MIC jack)JY-6531G-02-25014 5MG00061 ScrewM3*105 6NI00284knob10.5*182 7NI00283knob10

15、.5*1812 8NI02633knob10.5*187 9NI02082knob10.5*184 10 NI000826 knob12*186 11NI02386Knob14*131 12NI01863Button5.5*W10*63 13 MG00041 ScrewM3*626 14 MG00304 Copper pillarM-0P0.5 14mm5 15 MG00363 Copper pillarM-0P0.5 14mm3 16HI00019Power switch4P MSR-81 17 HC00527 ConnectorSCMI405MOS3N1 18 MJ01189 Barrie

16、r boardL-81 19 NI02620Insulated board1*86.5*53 L-81 20 HK03893 PCBP-313123-DIP (1-8)1 21 NI00863Insulation beanTO220B4 22 MG00020 ScrewM3*84 23 MB02877 Rear panelL-6 ALTO1 24 HK01591 PCBP-16 PWR1 25MJ01145 Heat sinkRD-821 26 MF00037 Color washer3*5*1t2 27MF00030 Washer3*8*0.8t2 28ME00015 Color screw

17、3mm2 29 NC00005 Insulation pillT0220 (square)1 30 NC00022 Insulation pill0.3t*18*45mm S-81 31NI02249CushionTW-1 (TO-220)4 32 MG00162 ScrewM3*84 33 NI00501Cushion12.7*9*3t (SF-004)4 No. Part No. DescriptionSpecificationRemark 1MA04257panelL-6 ALTO 2MA04258panelL-6 3MA04259panelL-6_V1.4 4MJ01186hot gr

18、adual zinc1.0t*2135*1220mm 20.45kg 5MB02877rear boardL-6 6MB02878rear boardL-6 1.0t*185.5*229*55 7MJ00058single light board1*2135*1220 20.45kg 8ME00032iron pillarhexagon6.35*M3*5.2 9ME00004screw pillarM3*10*0.5PH 10 MJ01189barrierL-8 11 MJ00061iron board1*2135*1220 20.45kg 12 ME00066iron pillarM3*7

19、13 HI00019power switch4P MSR-8 14 HA00027wire40mm red L5R5 15 HA00039wire40mm yellow L5R5 16 NI00240sleeve2.5*10mm 17 NI00239sleeve2.5*1000mm 18 NI00251sleeve4*12mm 19 NI00248sleeve4*1000mm 20 MG00304copper pillarM3*14*0.5PH 21 MG00363copper pillarM3*14*0.5PH 22 NI01863key-RS5.5*W10*7.5 23 NI02083kn

20、ob10.5*18mm 24 NI02633knob10.5*18 25 NI02082knob10.5*18mm 26 NI02714knob10*13.5mm 27 NI00826knob12*18mm double color 28 NI02386knob14*13mm 29 MG00041screwM3*6 30 MG00061screwM3*10 31 ME00060MIC jackJY-6351G-02-250 32 MF00061MIC jack9.6*13*0.5t 33 HA02750wire3P(female) 150mm UL1007 22AWG 34 HA02355wi

21、re8P-8P 200mm UL1007 22AWG 35 NI00218cable tieALT-102SB 36 NI00501self-adhere foot cushion12.7*9*3t(SF-004) 37 NA00124PE bag0.04t*440*350mm 38 HJ00002desiccant10g 39 NF01503instructionL-6 ALTO_V1.1 40 NH00149paper889*640mm 41 NI02911handleALTO 072C No. Part No. DescriptionSpecificationRemark 42 NB02

22、495gift cartonL-6 ALTO 43 NB02493cartonL-6 ALTO 44 HC00527connectorSCMI405MOS3N000 3P mail 45 TG00087adapter230V/50Hz_AC36V/500mA_EI-57 46 MJ01145heat sinkRD82 47 MJ01142radiatorRD82 48 MJ00070AL plate4*2440*1220 32.40kg 49 NI02249plastic washerTW-1(TO-220) 50 NC00022insulator0.3t*18*45mm S-8 51 NC0

23、0005silicone insulatorTO-220 square type 52 MG00162screwM3*8 53 ME00015color nut3m/m 54 MF00037washer3.2*5.5*1t 55 MF00030washer3.5*8*0.8t 56 NB02490cushionL-6 left 57 NB02491cushionL-6 right 58 NF00061assurance cardALTO 59 NE05004labelALTO 60 NH00334cone paper0.040*1m 61 NE06299labelL-6 62 NH00012b

24、ond paper0.04*1M 63 NI00014membrane0.035*1M 64 NI02620insulation board1*86.5*53 L-8 65 NC00010insulation board0.65M*60M*1t 66 NI00863plastic washerTO220B 67 MG00020screwM3*8 68 HK02233PC boardP-L6G-DIP 69 RA00185fixed resistor 1/4W120 M type R259,R260,R261,R266,R273,R284 70 RA00174fixed resistor 1/4

25、W47 M typeR280,R281 71 CB00011electrolytic capacitor2.2uF/50V 5*11mmC145,C146,C147,C148 72 CB00018electrolytic capacitor4.7uF/25V 4*7mmC240,C241,C242,C250,C251 73 CB00024electrolytic capacitor10uF/16V 4*7mmC249 74 CB00029electrolytic capacitor22uF/35V 5*11mmC1,C2,C3,C4 75 CB00175electrolytic capacit

26、or47uF/25V SLL 5*11mm C52,C53,C108,C236,C237,C56,C57, C58,C59,C60,C61,C62,C64,C65,C66, C68,C69,C70,C71,C72,C73,C74,C75, C76,C77,C78,C79,C80,C81,C82,C83, C84,C85,C86,C87,C88,C89,C90,C91, C92,C93,C94,C95,C96,C97,C98,C99, C100,C101,C102,C103,C104,C105, C106,C107 76 CB00042electrolytic capacitor47uF/63V

27、 105 LZ 8*11mmC7,C8,C9,C10 77 CB00074electrolytic capacitor1000uF/10V 8*11mmC19,C20 78 CF00054metal-film capacitor MSC 0.012uF/63V 5% CASE01 C127,C128,C129,C130,C131,C132, C139,C140,C141,C142,C143,C144 No. Part No. DescriptionSpecificationRemark 79 CF00021metal-film capacitor MSC 0.018uF/63V 5% CASE

28、01 C121,C122,C123,C124,C125,C126, C133,C134,C135,C136,C137,C138 80 CF00023metal-film capacitor MSC 0.033uF/63V 5% CASE01 C109,C110,C111,C112,C113,C114, C115,C116,C117,C118,C119,C120 81 CF00003metal-film capacitor MSC 0.0015uF/100V 5% CASE01C243,C244,C245 82 HC00072row-wire headerconnector(male)CN1 8

29、3 HC00511connector2.54 180 2*8P(gold-plated) 5.7mmCN2 84 HI00236push-button switch-RS2-stage 6P PS-9226A(SELF-LOCK)SW1,SW3,SW4 85 SA00052L.E.D3 round(green)long foot 26 LD9,LD10,LD11,LD12,LD19,LD20, LD21,LD22,LD23 86 SA00053L.E.D3 round(red)long foot 26mm LD1,LD2,LD3,LD4,LD6,LD8,LD14, LD25 87 SA0005

30、4L.E.D3m/m round(yellow)long foot 26LD13,LD24 88 NI01782LED spacer supportLEDS-11 11mm LD1,LD2,LD3,LD4,LD6,LD8,LD9,LD10 ,LD11,LD12,LD13,LD14,LD19,LD20, LD21,LD22,LD23,LD24,LD25 89 RC00359potentiometer W50K RD09F113A224-50K4BT(SAS1);30FVR24,VR25,VR26,VR27,VR28,VR29 90 RC00444potentiometer W50K RD09F1

31、130047-50K4B(SAS1);30F VR30,VR31 91 RC00361potentiometer W50K RD12L12CA60B-50K4BT*2(SAS1);30F VR1,VR2,VR3,VR4,VR11 92 RC00358potentiometer B50K-RD09F113A223-50K2BT(SAS1);30F-C VR14,VR15,VR16,VR17,VR18,VR19, VR20,VR21,VR22,VR23 93 RC00360potentiometer B50K RD12L12CA23A-50K3BT*2(SAS1);30F-C VR5,VR6,VR

32、7,VR8,VR9,VR10 94 RC00356potentiometer Z10K RD09F1130042-10KZ(SAS1);30F VR12,VR13 95 HI00195rotary switchSDB161PVB15.5F-1-4-16-16PCEN1 96 HC00126balance MIC jackJY-5042-030G female plug 180X1,X2 97 HC00125MIC jackJY-6351G-02-250 X3,X4,X5,X6,X7,X8,X9,X10,X11,X12, X13,X14,X15,X16 98 HC00403RCA jackSCP

33、6873NS3232T2 4PX17 99 SB00175transistor2SA970-BL(TE2;T)TR1,TR2,TR3,TR4 100 SD00007integrated circuitBA15218N (M5218L substitute)U16,U17 101 RA00505precise resistor 1/4W6.81K M typeR7,R8,R9,R10 102 HK02232PC boardP-L6G-SMD 103 HB01024PCBL6G_VER031125 104 RD00355SMD fixed resistor 1/10W 4.7 5% 0603R1,

34、R2,R3,R4,R5,R6 105 RD00065SMD fixed resistor 1/10W 47 5% 0603R282,R283,R287 106 RD00066SMD fixed resistor 1/10W 68 5% 0603R305,R306 107 RD00069SMD fixed resistor 1/10W 120 5% 0603 R262,R263,R264,R265,R267,R268, R269,R270,R271,R272 108 RD00073SMD fixed resistor 1/10W 220 5% 0603R312 109 RD00078SMD fi

35、xed resistor 1/10W 470 5% 0603R48,R49,R50,R51,R52,R53 110 RD00079SMD fixed resistor 1/10W 560 5% 0603R285 111 RD00082SMD fixed resistor 1/10W 820 5% 0603R288,R291 112 RD00349SMD fixed resistor 1/10W 910 5% 0603 R94,R95,R96,R97,R98,R99,R100, R101,R102,R103,R104,R105 113 RD00083SMD fixed resistor 1/10

36、W 1.0K 5% 0603R277,R278,R279 114 RD00350SMD fixed resistor 1/10W 1.1K 5% 0603 R106,R107,R108,R109,R110,R111 115 RD00351SMD fixed resistor 1/10W 1.3K 5% 0603R69,R70,R72,R73,R74,R75 116 RD00087SMD fixed resistor 1/10W 2.0K 5% 0603R286 117 RD00088SMD fixed resistor 1/10W 2.2K 5% 0603R309 118 RD00092SMD

37、 fixed resistor 1/10W 3.9K 5% 0603 R199,R200,R201,R202,R203,R204, R205,R206,R207,R208,R289 No. Part No. DescriptionSpecificationRemark 119 RD00093SMD fixed resistor 1/10W 4.7K 5% 0603 R172,R173,R174,R175,R176,R177, R178,R179,R180,R181,R182,R183, R184,R185 120 RD00094SMD fixed resistor 1/10W 5.1K 5%

38、0603 R220,R221,R222,R223,R224,R225, R226,R227,R228,R229,R230,R231, R236,R237 121 RD00095SMD fixed resistor 1/10W 5.6K 5% 0603R292 122 RD00097SMD fixed resistor 1/10W 6.8K 5% 0603 R77,R78,R79,R81,R82,R83,R84,R85, R86,R87,R88,R89,R90,R91,R92,R93 123 RD00098SMD fixed resistor 1/10W 7.5K 5% 0603R311 124

39、 RD00306SMD fixed resistor 1/10W 20K 5% 0603 R19,R20,R22,R23,R24,R26,R27,R28, R29,R30,R31 125 RD00105SMD fixed resistor 1/10W 22K 5% 0603 R242,R243,R244,R245,R246,R247, R290,R152,R157 126 RD00106SMD fixed resistor 1/10W 27K 5% 0603R257,R258 127 RD00107SMD fixed resistor 1/10W 30K 5% 0603R193,R194 12

40、8 RD00353SMD fixed resistor 1/10W 36K 5% 0603 R209,R210,R211,R212,R213,R214, R215,R216,R217,R218,R219 129 RD00109SMD fixed resistor 1/10W 39K 5% 0603R274,R275 130 RD00111SMD fixed resistor 1/10W 47K 5% 0603R248,R249,R250,R251 131 RD00114SMD fixed resistor 1/10W 68K 5% 0603R170,R171 132 RD00116SMD fi

41、xed resistor 1/10W 100K 5% 0603R299,R300,R301,R302 133 RD00118SMD fixed resistor 1/10W 150K 5% 0603R253,R254 134 RD00121SMD fixed resistor 1/10W 270K 5% 0603R255,R256 135 RD00124SMD fixed resistor 1/10W 820K 5% 0603R315 136 RD00125SMD fixed resistor 1/10W 1.0M 5% 0603 R186,R187,R188,R189,R190,R191,

42、R192 137 RD00201SMD precise resistor 1/10W1.50K 1% 0603 R15,R16,R17,R18,R195,R196,R197, R198 138 RD00204SMD precise resistor 1/10W2.49K 1% 0603 R34,R35,R36,R37,R38,R39,R40,R41, R42,R43,R44,R45,R46,R47 139 RD00210SMD precise resistor 1/10W5.11K 1% 0603 R54,R55,R56,R57,R58,R59,R60,R61, R232,R233 140 R

43、D00364SMD precise resistor 1/10W4.02K 1% 0603R11,R12,R13,R14 141 RD00214SMD precise resistor 1/10W10.0K 1% 0603 R32,R33,R62,R63,R64,R65,R112, R113,R114,R115,R116,R117,R118, 119,R120,R121,R122,R123,R124, R125,R126,R127,R128,R129,R130, R131,R132,R133,R134,R135,R136, R137,R138,R139,R140,R141,R142, R143

44、,R144,R145,R146,R147,R148, R149,R151,R153,R154,R155,R156, R158,R159,R160,R161,R162,R163, R238,R239,R303,R304,R307 142 RD00126SMD fixed resistor 1/10W 2.2M 5% 0603R310 143 CI00051SMD ceramic capacitor 0603 22PF/50V C0G5%(C1608C0G1H220JT)/TDK C21,C22,C23,C24,C25,C26,C27,C28, C29,C30,C31,C32,C33,C34,C3

45、5,C36, C37,C38,C39,C40,C41,C42,C43,C45, C149,C150,C151,C152,C153,C154, C155,C156,C157,C158,C159,C160, C161,C162,C163,C164,C165,C166, C167,C168 144 CI00053SMD ceramic capacitor 0603 33PF/50V C0G5%(C1608C0G1H330JT)/TDKC246,C247 145 CI00059SMD ceramic capacitor 0603100PF/50V NPO 5% C169,C170,C171,C172,

46、C173,C174, C175,C176,C177,C178,C230,C231 146 CI00062SMD ceramic capacitor 0603330PF/50V NPO 5C5,C6 147 CI00065SMD ceramic capacitor 06030.001uF/50V X7R 10%C15,C16,C17,C18 148 CI00071SMD ceramic capacitor 06030.01uF/50V X7R 10%C11,C12,C13,C14 No. Part No. DescriptionSpecificationRemark 149 CI00075SMD

47、 ceramic capacitor 06030.1uF/50V Y5V +80,-20% C179,C180,C181,C182,C183, C184,C185,C186,C187,C188,C189, C190,C191,C192,C195,C196,C197, C198,C199,C200,C201,C202,C203, C204,C205,C206,C207,C208,C209, C210,C211,C212,C215,C216,C217, C218,C219,C220,C222,C224,C225, C226,C227,C229 150 RE00011 SMD resistor ne

48、tworks 1/16W680*4 5% 8P 0603 AR1 151 SE00028SMD rectifier diodeBAS316,115D6,D7 152 SE00008SMD rectifier diodeDA204K/T-146D1 153 SE00007SMD rectifier diodeRB400D(D3A)D8 154 SE00011SMD rectifier diodeRLS4148 0.5A (LL-34)D2,D3,D4,D5 155 SF00053transistorMMBT3906(SOT-23)/(PHI) TR5,TR6,TR7,TR8,TR9,TR10,

49、TR21,TR22 156 SF00056transistorMMBT3904(SOT-23)/(PHI) TR11,TR12,TR13,TR14,TR15,TR16, TR17,TR18 157 SG00032SMD integrated circuitLM339DR/(TI)U23,U24,U25 158 SG00122SMD integrated circuitNJM4580M-TE3 U1,U2,U3,U4,U6,U7,U8,U9,U10,U11, U12,U13,U14,U15,U18,U19,U21,U22, U29,U30,U31 159 SG00306SMD integrated circuitLM393DR(TI)/(MEXICO)U32 160 AE00221tin soldering pasteSJ-617 161 AC00002solder wire63/37% 162 HK01591PC boardP-L6PWR 163 HB00982PCBL6PWR_VER040416 164 RA00242fixed resistor 1/4W10K M typeR2 165 RA00159fixed resistor 1/4W10 M typeR3 166 SA00