Alto-MAC2_4-pwr-sm维修电路原理图.pdf
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1、 Version 1.0MODEL: PS 4LAMODEL: MAC2.2/2.3/2.4RadioFans.CN 收音机爱 好者资料库1CONTENT1. Introduction22. Specification.23. Block Diagram.34. Schematic Fiagram.45. Wiring Diagram.146. PCB Layout.177. Test Procedure and Test Result.288. Exploded Views & Mechanical Parts List.309. BOM.36RadioFans.CN 收音机爱 好者资料库2
2、1. Introduction1.1 The stereo amplifier apparatus specialization in the performance, have versatility-changedoutput (stereo, parallel and bridged selector), you will hear excellence music.1.2. Input matching allows collection with any preamplifier1.3. Excellent frequency echo and sound quality1.4. X
3、LR unbalanced and 6.3 jack output.1.5. High-speed and low noise fan for releasing heat. When the temperature rises, the fanautomatically switches to high- speed, it re-back to normal speed at other times to reducepower consumption1.6. The apparatus have changed limited overload function, when it tur
4、ns on the apparatusmost output.1.7. Status indicators of SIG and CLIP. When there is any signal added, the SIG LED lights up.When there is overload, the CLIP LED lights up. If anything abnormal happens to thecircuits, the CLIP LED will be continuously on, with no action from the circuits. This helps
5、the user to determine which status it is in. .1.8. Power supply of steady circuit adopted to unaided voltage output of highly cabinet.1.9. Output jack specialization in female speaker jack.2. SpecificationPower specificationsMAC2.2MAC2.3MAC2.42Ohms48080014004Ohms300450750Stereo mode (both channelsdr
6、iven )20Hz20KHz8Ohms2053105758Ohms5609001500Bridge mono mode 20HzKHz4Ohms80014002500Electrical Specifications600W900W1500WInput sensitivity1.15V(+3.4dBu)Input impedance10K unbalanced 20K balancedFrequency response (at 10dB25Hz25KHz +0/-1dB-3dB points:5Hz50KHzVoltage Gain30dB32dB34dBDistortion (smpte
7、-1m)0.03%Signal to noise ratio100dBGeneral specification600W900W1500WProtectionsFull short circuit, open circuit, thermal, ultrasonic, and RFprotection stable into reactive or mismatched loads, turnON/OFF, muting, tried crowbar.ControlsFront: AC switch 40-detect input level control for eachchannel.R
8、ear: stereo/parallel/bridged selector, 30Hz filter selectorclip ON/OFF selector.IndicatorsSignal: 2green LED CLIP:2red LEDConnectorsInput: Active balanced XLR and 1/4”(6.3mm)TRSPower supplyAvailable for 110-120V or 220240VAC,50/60HzDimensions483(W) 400(D) 88.8(H)mmWeight14.4kg16.5kg19.02kgRadioFans.
9、CN 收音机爱 好者资料库1234ABCD4321DCBATitleNumberRevisionSizeA4Date:16-Sep-2004Sheet ofFile:D:PSA-3000PSA-3000.DDBDrawnBy:RadioFans.CN 收音机爱 好者资料库33. Black Diagram12345678ABCD87654321DCBATitleNumberRevisionSizeDDate:17-Sep-2004Sheet of File: D:MACPCB .ddbDrawn By:56784U2-BNE5532321U2-ANE5532R4610KR4810KR4110K
10、R451KR42820R4410KR56270R574.7KR50270C21180PC2710UC20180PC250.15C260.22UC40.022UC2356PC80.0033UC2256PC90.0033UC70.0022UC60.022UC240.15ZD515V 1N4744ZD615V 1N4744D12D13D151N4148*4D14R22820R24820R2110KR170.2-5WR150.2-5WR80.2-5WR100.2-5WR160.2-5WR201.5KR747KR90.2-5WR5410K-1%-1/2WR182.4K-3W+15V_AD61N4148D
11、81N4937D51N4148D21N4004D41N4148D11N4004D31N4148D101N4148D131N4148VR1100ZD15.6V-1/2WR2390VR23.3KVR33.3KQ92SC2412KQ102SC2412KQ82SC5200Q62SC5200Q72SC5200Q12SA1943Q22SA1943Q32SA1943Q515033Q415032R126.8-1/2WR136.8-1/2WR59390KR4820-3WR5820-3W+VCC_A- VCC_ASP_AR15.6-2WT12UHR212-3WR312-3WC30.068UE200E201 JP1
12、6JP151+1-2+2-SPEAKONJ203+J203-BR_POSBR_NEGPSA3600(MAC2.2) Schematic Diagram 1 of 4CHANNEL-ACh a n n e l - AR1422-1WC50.001UR559.09K-1%-1/2WR321KR5833KR2433KR603.3KPS A -3000R _08 05R _08 05R _08 05C _08 05R _08 05R _08 05C _08 05R _08 05R _08 05R _1206R _1206R _08 05R _08 05C _1206R _1206R _08 05R _
13、08 05C _1206R _1206C _1206R _1206R _1206R _1206R _08 05R5120KR3120KR _08 05 R _08 05A 1A 1A 1A 1P1P1P1P1P1P1P1P1D i n g Ni a n C o n g14PS A 3600-L+SPK-SPKE112-VCC_A+VCC_AC14700U/80VC24700U/80VC19220UC18220U+ 67V-67VR226.8-1WA 1P1CN1:12CN1:12CN1:13CN1:13NCNCNCD91N4937ZD25.6V-1/2WR647R _08 05CN1:7CN1
14、:7R26100- 15V_AR _08 05P1CN1:4CN1:4R52150KR53150KTH_A+VCC_AR _1206R _1206CN1:10CN1:10R1122-1WR192.4K-3WD71N4148CN1:5CN1:5CN1:6CN1:6GNDCN1:11CN1:11SP_ASP_AT O V R 1( V O L )CN2:5CN1:5CN2:6CN1:6CN2:7CN1:7CN1:4CN2:4CN2:3CN1:3T O L E D 1( C L IP A )T O L E D 2( S IG A )CN2:2CN1:2CN1:1CN2:1+IN B-IN BF-30
15、-BF- SND- BF- BYP- BBR-RETBR- CUTCLIP-B1357911131517192123252468101214161820222426CN104BR_BALA 1BR_BALC _08 05R4010KR39270R73100R6139KR477.5KR38150KR49100C14100UFQ11HMBT5401- 14VC170.1U+14V3245178116U1ALM13700R _08 05R _08 05R _08 05R _08 05R _08 05A 1C90.1-50VC160.1-50VC _1206C _1206C _1206R _08 05
16、PS A 3600- RT O T H 2be modifybe modifybe modifybe modifyB R M O NO F E E DS W T O G ND F O R C L IP L IMF IL T -S E ND AF IL T -B Y P AF IL T -C A P A44. Schematic Diagram12345678ABCD87654321DCBATitleNumberRevisionSizeDDate:17-Sep-2004Sheet of File: D:MACPCB .ddb Drawn By:56784U3-BNE5532321U3-A NE5
17、532R3710KR6810KR6410KR691KR65820R7010KR75270R574.7KR30270R27100C31180PC3410UC33180PC280.15C290.22UC40.022UC856PC100.0033UC3256PC110.0033UC120.0022UC130.022UC300.15ZD115V 1N4744ZD215V 1N4744D18D19D161N4148*4D17R16820R34820R2110KR150.2-5WR130.2-5WR922-1WR60.2-5WR80.2-5WR140.2-5WR291.5KR1947KR70.2-5WR1
18、8150KR2310K-1%-1/2WR20150KR172.4K-3WR282.4K-3W- 15V_B+15V_BD91N4937D51N4148D101N4937D61N4148D71N4148D21N4004D31N4148D11N4004D41N4148D111N4148D81N4148VR1100ZD35.6VR3690VR33.3KVR23.3KZD45.6VQ92SC2412KQ102SC2412KQ82SC5200Q62SC5200Q72SC5200Q12SA1943Q22SA1943Q32SA1943Q515033Q415032R106.8-1/2WR116.8-1/2WR
19、25390KR4820-3WR5820-3W+VCC_B- VCC_BR15.6-2WT1COILR23W 12R33W 12C30.068UE200E201 JP16JP151+1-2+2-SPEAKONJ103+J103-BR_POSBR_NEGPSA3600(MAC2.2) Schematic Diagram 2 of 4CHANNEL-BCh a n n e l - BR1222-1WC70.001UR3347D i n g Ni a n C o n g+IN B-IN BF-30-BF- - SND- BF- BYP- BCLIP-BPS A -3000R5120KR3520KR _
20、08 05 R _08 05C _08 05R _08 05R _08 05R _08 05R _08 05R _08 05C _08 05R _08 05R _08 05R _08 05R _08 05R _08 05R _08 05R _1206R _1206R _1206R _1206C _1206R _1206C _1206R _1206R _1206A 1A 1A 1P1P1P1P1P1P1P1P124PS A 3600-R+SPKE112-SPK-VCC_B+VCC_BGND+VCC_B- VCC_BT O C N1SP BC14700U/80VC24700U/80VC5220U-
21、25VC6220U-25V-67V+ 67VCN3:4CN3:3CN2:3CN2:4T O L E D 4( S IG B )CN3:6CN3:5CN2:5CN2:6T O L E D 4( S IG B )CN3:1CN3:2CN3:7CN2:1CN2:2CN2:7T O V R 2( V O L )C _08 05C _1206R6310KR66270R74100R6239KR717.5KR43150KR72100Q12HMBT5401- 14V+14V1415131216109U1BLM13700R _08 05R _08 05R _1206R _08 05R _08 05R _08 0
22、5A 1C15100UF-25VR _08 05be modifybe modifybe modifybe modifyBR_RETB R M O NO R E T U R N-C A U T IO N, S E NS IT IV E NO D ES W -G ND F O R C L IP L IM512345678ABCD87654321DCBATitleNumberRevisionSizeDDate:17-Sep-2004Sheet of File:D:MAC4-MACPCB.ddb技術手冊單塊線路圖Drawn By:LINENEUTGNDIEC AC INLETPOWER SWITCH
23、BR1400V 25ABR2400V 25ABR3200V 1AC30.22U-200VC20.22U-200VF110A 250VF310A 250VF210A 250VF410A 250V+VCC_A- VCC_A+VCC_B- VCC_BC11000U 35VPOLYRX110PS A 3600( M A C2. 2) S c h e m a t i c D i a g r a m 3 o f 4Po w e r S u p p l yP9P1P10P5P2P7P3P6E8E7E13E5E4E14E2E6P4E3E10V0V115V O r 120V115V O r 120V103V O
24、 r 108 VC IR C U IT B R E A K E RU S A : 11A -125VE U R O PE : 6A -230V!C O L L O NEC O L L T W OPT 3530E( 230V )PT 3530H ( 240V )0V0V50V50V5050V30V 1. 1A!34D i n g Ni a n C o n gPS A 3600 Po w e r S u p p l yPS A -3000REDWHTBLKYELGRNBLUBLUVIOVIOBLKBLKBYDA1C50.1 275VCN2:3CN2:3FUSE2FUSE2C160.1-50VR29
25、6.8KR30220KR312KR331MR27470KR2547R139-3WR22KR36.8KR5470KR26150KR28220KR3215K-2WR34220KR351MR46.8KD161N4004D191N4148D201N4148D181M4148D141N4148D151N4148D221M4148D171M4148D211M4148D211N4004ZD4IN4744-15VZD315VQ17HMBTA42Q142412KQ16MPSA06Q1TIP41CQ112SA1036KQ152SA1036KQ122SA1036KTH160C 100 OHMTH260C 100 O
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