Alto-AMX120-mix-sm维修电路原理图.pdf
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1、 Service Manual Version: .2 Model: AMX-120 RadioFans.CN 收音机爱 好者资料库CONTENTS 1. Specification 2. Block Diagram 3. Schematic Diagram 4. Printed Circuit Board 5. Wiring Diagram 6. Test Procedure 7. Electrical Parts List 8. Exploded Views & Mechanical Parts List 9. Notes RadioFans.CN 收音机爱 好者资料库178. TECHN
2、ICAL SPECIFICATIONMono input channelsStereo input channelsImpedancesEqualizationMicrophone input electronically balanced, discrete input configurationFrequency response 10Hz to 55kHz, +3dBDistortion (THD & N) 0.005% at +4dBu, 1kHzGain range 0dB to 44dB (MIC)SNR (Signal to Noise Ratio) 115dBLine inpu
3、t electronically balancedFrequency response 10Hz to 55kHz, +3dBDistortion (THD & N) 0.005% at +4dBu, 1kHzSensitivity range +15dBu to30dBuLine input UnbalancedFrequency response 10Hz to 55kHz,3dB +Distortion (THD & N) 0.005% at +4dBu, 1kHzMicrophone input 1.4kOhmChannel Insert return 2.5kOhmAll other
4、 inputs 10kOhm or greaterTape out 1kOhmAll other output 120OhmHi shelving +15dB 12kHzMid bell +12dB 2.5kHzLow shelving +15dB 80HzLow Cut filter 75Hz, 18dB/oct.Main Mix SectionNoise (Bus noise) Fader 0 dB, channels muted:100dBr (ref.:+4dBu) Fader 0dB, all input channels assigned and set to UNITY gain
5、:90dBr (ref.:+4dBu) Max output +22dBu unbalanced, 1/4 jacksAUX Sends max out +22dBuPower supply (AC/AC Adaptor)Main voltage USA/Canada 100120V, 60HzEurope 210240V, 50HzU.K./Australia 240V, 50HzPower Consumption 11 wattsPhysicalNet weight 1.65Kg (3.65lb)Shipping weight 2.3Kg (5.11lb)Dimension (WDH) 2
6、08mm275.5mm35/43mm (6.067.811.01/1.30)RadioFans.CN 收音机爱 好者资料库12345678ABCD87654321DCBAAMX-120MAP.SchTitelSizeFile:Date:Drawn By:SheetRevisionModel No:19-Dec-2003ALTO MIXING CONSOLE11ofAMX-120 BLOCK DIAGRAMVER031216A2(C)MONO INPUT CHANNELS ( 1-2 )213MIC IN+48V3-BAND EQ12K2.5K80SG/OLLEFT-BUSRIGHT-BUSAU
7、X-1RIGHT-BUSLEFT-BUSAUX-1STEREO INPUT CHANNELS (3-10)LEFT-BUSRIGHT-BUSAUX-1AUX-1AUX SENDMAIN OUTLEFT-BUSRIGHT-BUS2132TK TO MIX213RIGHT-BUSLEFT-BUSTAPE INRIGHT2-TRACK2132TK TO CTRL ROOM213PHONES OUTPUTLEFT METERRIGHT METER+/-15dbMA N MIXAUX SEND1TRSMAIN MIX LEFTTRSMA N MIX RIGHTTRSCONTROL ROOM OUTPUT
8、LEFTTRSRIGHTTRSPHONESTRS& PHONESCONTROL ROOMLEFTTAPE OUTLEVELPANPHANTOMLINE INGAIN-+POWERLOMIDHI1212AUX1LEVELPOSTPREBALANCEAUX1LEVELSG/OL3c5e1a4d2bLEFT(MONO)3c5e1a4d2bRIGHTTRSRNTNTRSRNTN-+-+MIC GAIN:060dBLINE IN TRIM:+15dB-45dBEFX SENDEFX SENDLEFT-BUSRIGHT-BUSAUX-1EFX SEND1212POSTPRE2TK INLEVELRadio
9、Fans.CN 收音机爱 好者资料库12345678ABCD87654321DCBAAMX-120.SchTitelSizeFile:Date:Drawn By:SheetRevisionModel No:3-Jan-2004 KEVIN LIN.INPUT STAGE ( CH1-CH4 )41ofAMX-120 VER031229A2EQ HI12KHZC13118n(M)VR4B50KR1516K8VR3B50KR1506K8LOR4710K0C8747u/25V567U9BNJM4580MR2201MC17922PR2121K1VR5B50KR1371K3MIDR196910RC155
10、12n(M)R197910RC13933n(M)C14033n(M)C17112n(M)C16318n(M)C8847u/25VVR11W50KR22847KR2484K7C1952.2u/50VR1526K8TR2BRTR1BRR2641K5+VCCLD1REDR23622K321U9ANJM4580MVR9W50KPEAKC8947u/25VR2563K9R27036KC18022PC9047u/25VR2845K11AUX-1LEVELAUX-POSTR2875K11R2865K11LEFT-BUSRIGHT-BUSPANPGND80HZ2.5KEQ HI12KHZC13218n(M)V
11、R7B50KR1556K8VR6B50KR1546K8LOR5510K0C9447u/25V567U10BNJM4580MR2211MC18122PR2131K1VR8B50KR1391K3MIDR198910RC15612n(M)R199910RC14133n(M)C14233n(M)C17212n(M)C16418n(M)C9547u/25VVR14W50KR22947KR2494K7C1962.2u/50VR1566K8TR4BRTR3BRR2651K5+VCCLD2REDR23722K321U10ANJM4580MVR12W50KPEAKC9647u/25VR2573K9R27136K
12、C18322PC9847u/25VR2885K11AUX-1LEVELAUX-POSTR2915K11R2905K11LEFT-BUSRIGHT-BUSPAN80HZ2.5KAMX-120AMX-120.S01AMX-120AMX-120.S03J2POST(PRE)J1POST(PRE)(SOLTON1K2)用MIC GAIN=-10-60dBLINE IN GAIN=+10-40dBVR1O10KC1470PC1522u/35VR1911K0LINE IN1MIC 1C2147u/63VR233K6R156K81 1/4WPH PWRC3470PR166K81 1/4WC2247u/63V
13、C447PR2011K0R243K6C1622u/35VR6951K1R6851K1C2470P2134X1SMC-6.02R35K11R45K11C2722PC2822PR2610K0R7327R 1%C231000u/10V321U1ANJM4580MR2510K0R275K11C2922PR285K11C3022PC1747u/25R520K 1%3c5e1a4d2bX3JY-6351G-02-250567U1BNJM4580M321U5ANJM4580MR24R7R14R7VR2O10KC5470PC1822u/35VR2111K0LINE IN2MIC 2C2447u/63VR293
14、K6R176K81 1/4WPH PWRC10470PR186K81 1/4WC2547u/63VC1147PR2211K0R303K6C1922u/35VR38651K1R851K1C7470P2134X2SMC-6.02R105K11R115K11C3122PC3222PR3210K0R7427R 1%C261000u/10V321U2ANJM4580MR3110K0R335K11C3322PR345K11C3422PC2047u/25R1220K 1%3c5e1a4d2bX4JY-6351G-02-250567U2BNJM4580M321U25ANJM4580MR384R7R374R7V
15、R10W50KR774K7R784K7VR13W50KR794K7R804K7AMX-120AMX-120.S0284U2C84U1C84U9CC203100nC204100n+VCC-VCCC205100nC206100nC299100nC300100n84U10CC301100nC302100n84U5C84U3C84U4CC287100nC288100nC289100nC290100nC291100nC292100nVR15W50KR10547KR1144K7C1062.2u/50VR916K8TR6BRTR5BRR1351K5+VCCLD3REDR12522K321U4ANJM4580
16、MVR19AW50KPEAKC5347u/25VR1413K9R15336KC11022PC5647u/25VR1688K2AUX-1LEVELAUX-POSTR16912KR17012KLEFT-BUSRIGHT-BUSBALPGNDR4010K0R4110K0R10447KR12622K567U4BNJM4580MVR19BW50KC5447u/25VR1423K9R14936KC11122PC5547u/25VLEVELR9610K0R9510K03c5e1a4d2bX5JY-6351G-02-250TRSRNTNLINE IN 3/43c5e1a4d2bX6JY-6351G-02-25
17、0TRSRNTNLEFT(MONO)RIGHT321U3ANJM4580MR3910K0C922PC5147u/25VR1410K0C622PR610K0C126100PR710K0C127100P567U3BNJM4580MR3610K0C1222PC5247u/25VR3510K0C822PR910K0C128100PR1310K0C129100PR18720KR18620KJ3POST(PRE)R1124K7R1134K7567U5BNJM4580MR26362KR2671K3R27320KC20847u/25VC1980.22u/50VC1990.22u/50VR2696K8LO CU
18、TSW3APS-22E85LSW3BPS-22E85LC2000.22u/50V567U25BNJM4580MR26662KR2681K3R27420KC20947u/25VC2010.22u/50VC2020.22u/50VR2726K8LO CUTSW4APS-22E85LSW4BPS-22E85LC2070.22u/50V84U25CC210100nC211100nSW5APS-22E85LSW5BPS-22E85LR3021K2R3031K2+4/-10 DB+4/-10 DBAMX-120 (1/4)VR20W50KUNINSERTED12345678ABCD87654321DCBA
19、AMX-120.S01TitelSizeFile:Date:Drawn By:SheetRevisionModel No:3-Jan-2004 KEVIN LIN.INPUT STAGE ( CH5-CH8)42ofAMX-120VER021229A2VR17W50KR10947KR1204K7C1082.2u/50VR936K8TR10BRTR9BRR1381K5+VCCLD5REDR12922K321U20ANJM4580MVR23AW50KPEAKC6547u/25VR1453K9R16036KC11422PC6847u/25VR1768K2AUX-1LEVELAUX-POSTR1741
20、2KR17512KLEFT-BUSRIGHT-BUSBALPGNDR6310K0R6410K0R10847KR13022K567U20BNJM4580MVR23BW50KC6647u/25VR1463K9R15936KC11522PC6747u/25VLEVELR10010K0R9910K03c5e1a4d2bX9JY-6351G-02-250TRSRNTNLINE IN 7/83c5e1a4d2bX10JY-6351G-02-250TRSRNTNLEFT(MONO)RIGHT321U18ANJM4580MR6210K0C4022PC6347u/25VR5910K0C3722PR5410K0C
21、136100PR5610K0C137100P567U18BNJM4580MR6110K0C4122PC6447u/25VR6010K0C3922PR5710K0C138100PR5810K0C143100PR19120KR19020KJ5POST(PRE)R1184K7R1194K784U19C84U18CC151100nC150100n+VCC-VCCC153100nC152100n84U20C84U21CC154100nC157100nC158100nC159100nU18 U21=NJM4580MVR16W50KR10747KR1174K7C1072.2u/50VR926K8TR8BRT
22、R7BRR1361K5+VCCLD4REDR12722K321U21ANJM4580MVR21AW50KPEAKC5847u/25VR1433K9R15736KC11222PC6047u/25VR1728K2AUX-1LEVELAUX-POSTR17112KR17312KLEFT-BUSRIGHT-BUSBALPGNDR4910K0R5010K0R10647KR12822K567U21BNJM4580MVR21BW50KC5947u/25VR1443K9R15836KC11322PC6247u/25VLEVELR9810K0R9710K03c5e1a4d2bX7JY-6351G-02-250T
23、RSRNTNLINE IN 5/63c5e1a4d2bX8JY-6351G-02-250TRSRNTNLEFT(MONO)RIGHT321U19ANJM4580MR4810K0C1422PC5747u/25VR4510K0C1322PR4210K0C130100PR4310K0C133100P567U19BNJM4580MR5310K0C3522PC6147u/25VR5210K0C3622PR4410K0C134100PR5110K0C135100PR18820KR18920KJ4POST(PRE)R1154K7R1164K7SW6APS-22E85LSW6BPS-22E85LR3041K2
24、R3051K2SW7APS-22E85LSW7BPS-22E85LR3061K2R3071K2+4/-10 DB+4/-10 DB+4/-10 DB+4/-10 DBVR22W50KVR24W50KAMX-120 (2/4)UNINSERTEDUNINSERTED12345678ABCD87654321DCBAAMX-120.S02TitelSizeFile:Date:Drawn By:SheetRevisionModel No:3-Jan-2004 KEVIN LIN.INPUT STAGE ( CH9-CH10)43ofAMX-120 VER021229A284U11C+VCC-VCC84
25、U12CC184100nC185100nC186100nC187100nU18 U21=NJM4580MVR18W50KR11147KR1234K7C1092.2u/50VR946K8TR12BRTR11BRR1401K5+VCCLD6REDR13322K321U12ANJM4580MVR28AW50KPEAKC9947u/25VR1473K9R16636KC12422PC10147u/25VR1848K2AUX-1LEVELAUX-POSTR18312KR18512KLEFT-BUSRIGHT-BUSBALPGNDR8610K0R8710K0R11047KR13422K567U12BNJM4
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- Alto AMX120 mix sm 维修 电路 原理图