《Alto-ACL4-cl-sm维修电路原理图.pdf》由会员分享,可在线阅读,更多相关《Alto-ACL4-cl-sm维修电路原理图.pdf(31页珍藏版)》请在收音机爱好者资料库上搜索。
1、 Service Manual Model: ACL4 QUAD/COMPRESSOR/LIMITER Version: 1.1 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. Troubleshooting 1
2、0. Notes RadioFans.CN 收音机爱 好者资料库SPECIFICATIONS FOR ACL4 SPECIFICATIONS FOR ACL4 AUDIO INPUT Connectors XLR and 1/4” TRS (Pin 2 and Tip hot) Type Electronically balanced/unbalanced, RF filtered Impedance Balanced 50Kohm, Unbalanced25Kohm Nominal operating level +4dBu/-10dBV switchable Max input level
3、 +24dBu balanced and unbalanced CMRR Typically50dB at 1KHz AUDIO OUTPUT Connectors XLR and 1/4” TRS (Pin 2 and Tip hot) Type Electronically balanced/unbalanced, RF filtered Impedance Balanced 120ohm, Unbalanced60ohm Max output level +21dBu,+20dBm balanced and unbalanced SYSTEM SPECIFICATIONS Bandwid
4、th 22HZ to 22KHz, +0/-0.5dB Frequency Response 0.35Hz to 200kHz,+0/-3dB Noise -95dBu, unweighted, 22Hz to 22kHz THD 0.008% Typical at +4dBu, 1kHz, unity gain 0.04% Typical at +20dBu, 1kHz, unity gain IMD 0.1% Typical SMPTE Crosstalk -100dB, 22Hz to 22Khz Stereo Coupling True RMS detection COMPRESSOR
5、 SECTION Type Interactive Compressor (Interactive Knee Adaptation) Threshold variable (-40dB to +20dB) Ratio variable (1:1 to :1) Threshold Characteristic variable (Interactive or Hard Knee) Manual Attack Time variable (0.5ms to 100ms / 20dB Manual Release Time variable from 0.05 ms to 5s / 20dB Aut
6、o Attack Time Typical 15ms at 10dB, 5ms at 20dB, 3ms at 30dB Auto Release Time Program dependent, typical 125dB/s Output level variable (-20dB to +20dB) PEAK LIMITER SECTION Type Interactive Gain Control Peak Limiter Threshold variable (+4dB to OFF (+22dBu) Ratio :1 Stage 1 Limiter Type Clipper Atta
7、ck Time “zero” Release Time “zero” Stage 2 Limiter Type Program Limiter RadioFans.CN 收音机爱 好者资料库Attack program dependent, typ. 5ms Release Program dependent, typ. 20dB/s FUNCTION SWITCHES SMART Enables the “Interactive Knee Adaptation” characteristics. CONTOUR Allows for frequency dependent detection
8、. I/O METER Switches between input and output for the Level Meter. BYPASS Relay controlled hard-bypass OPERATING LEVEL Changes the internal reference level from +4 dBu to 10dBu. COUPLE Linking channels 1&2 or 3&4 for stereo operation. Channel 1 (or 3) becomes master. INDICATORS GAIN REDUCTION 8 elem
9、ent LED display: 1/3/6/10/15/20/25/30 dB. INPUT/OUTPUT LEVEL 8 element LED display: -24/-18/-12/-6/0/+6/+12/+18 dB Peak Limiter Threshold 1 LED for indication of limiter function. Function switch LED indicator for each POWER SUPPLY USA/Canada 120VAC, 60Hz U.K./Australia 240VAC, 50Hz Europe 230VAC, 5
10、0Hz Mains Voltages General Export Model 100-120VAC, 200-240VAC, 50-60Hz Fuse 100-120VAC : 630mA (SLOW-BLOW) 200-240VAC : 315mA (SLOW-BLOW) Power consumption 14Watts Mains Connection Standard IEC receptacle PHYSICAL Dimension W(483.0)*D(198.0)*H(44.2) mm Net Weight 3.3Kg RadioFans.CN 收音机爱 好者资料库1234AB
11、CD4321DCBA21343c5e1a4d2bINPUTSGNDOPERATING LEVEL-10dBv+4dBu21343c5e1a4d2bSGNDSGNDOUTPUTOPERATING LEVELCOMP OUTBYPASS-10dBvCOMPRESSORCOMPRESSORCONTROLPEAK LIMITER CONTROLLIMITERVCA+4dBuOUTPUT LEVELGAIN REDUCTIONMETER STEREO LINKCH2 ( CH4 ) IS IDENTICAL TO CH1 ( CH3 ) EXCEPT FOR STEREO LINK MODECOMPRE
12、SSOR/LIMITER,PEAK LIMITER ARE CONTROLLED BY CH1 ( CH3 ) IN STERO LINK MODEOUTPUTINPUTOUTPUTINPUTFULL WAVERECTIFIER? ? ? ? ?12345678ABCD87654321DCBACH3-LEVELCH4-LEVELCH3-REDUCTIONCH4-REDUCTIONCH3+CH4CH3+CH4SCHCH3-LEVELCH4-LEVELCH3-REDUCTIONCH4-REDUCTIONCH4-LEVELCH3-LEVELCH1-LEVELCH2-LEVELCH1-REDUCTIO
13、NCH2-REDUCTIONCH3-REDUCTIONCH4-REDUCTIONFP-LEDFP-LEDSCHCH4-LEVELCH3-LEVELCH1-LEVELCH2-LEVELCH1-REDUCTIONCH2-REDUCTIONCH3-REDUCTIONCH4-REDUCTIONLD34RDR1803K9T12BR+15VC244.7UF/100V123VR8A20KR167470RR168560KR16610K+15VR169523K 1%123SW 4APS-42E85LIC36-1R17247KR17047KR17547KR17447KR1764M7R2604K7R1772K2R1
14、782K2C220.22UFC234.7UF/100VR1791M-15VT11BR+15VR1711K5 1%R17320KC2147UF/25VR16347KR16447KR1651KC201UF-15VCH2-LEVEL213IC21ACA3086453IC21BCA3086687IC21CCA308691110IC21DCA3086121413IC21ECA3086R14547KR14647KR14710MR14910MR1482M7-15VC1822UF/35V-15VR1543KR152240KR15343KC19100PR1506K8R1516K2123VR5B10K+15V-1
15、5VR1552K456PSW 5BPS-22E85LR1581KR1570KR1592K2123VR6B1K456PSW 4BPS-42E85LLD72RDR1813K+15VIC26-5101112PSW 4DPS-42E85LR16233RR1613K9R160680R123VR7B10K+15V-15VR14424K9 1%R14317K4 1%C170.33UF789PSW 4CPS-42E85L123456789101112CN112P-2.0+15V-15VR284R284C44100N411IC19ETL064C43100NC H 2+15V-15VLD17RDR1413K9T1
16、0BR+15VC164.7UF/100V123VR4A20KR127470RR128560KR12610K+15VR129523K 1%IC36-1R13247KR13147KR13547KR13447KR1364M7R1404K7R1382K2R1372K2C140.22UFC154.7UF/100VR1391M-15VT9BR+15VR1301K5 1%R13320KC1347UF/25VR12347KR12447KR1251KC121UF-15VCH1-LEVEL213IC18ACA3086453IC18BCA3086687IC18CCA308691110IC18DCA308612141
17、3IC18ECA3086321IC19ATL064567IC19BTL0641098IC19CTL06412131IC19DTL064R10647KR10747KR10810MR11010MR1092M7-15VC1022UF/35V-15VR1153KR113240KR11443KC11100PR1116K8R1126K2123VR1B10K+15V-15VR1162K456PSW 1BPS-22E85LR1191KR1180KR1202K2123VR2B1KR1223K9R121680R123VR3B10K+15V-15VR10524K9 1%R10417K4 1%C90.33UFSW9C
18、-9411IC22ETL064C4200N-15V+15VC41100NC H 1C H 1C H 2IC26-2IC26-2IC26-1IC26-1SW9C-9CH2-REDUCTIONCH1-REDUCTIONCH1-REDUCTIONI / O M E T E RI / O M E T E RB Y P A S SB Y P A S SC O U P L EC O U P L EC O U P L EC O U P L EI N T E R A C T I V EI N T E R A C T I V EC O M P R E S S O R / L I M I T E RC O M P
19、 R E S S O R / L I M I T E RC O M P R E S S O R / L I M I T E RC O M P R E S S O R / L I M I T E RC O M P R E S S O R / L I M I T E RC O M P R E S S O R / L I M I T E RS C F I L T E RS C F I L I T E RT H R E S H O L DT H R E S H O L DN : 1 R A T I ON : 1 R A T I OO U T P U T G A I NO U T P U T G A I
20、 NP E A K L I M I T E RP E A K L I M I T E RT H R E S H O L DT H R E S H O L DL I M I T E RT H R E S H O L DT H R E S H O L D1213IC17D4066435IC17C4066IC26-5IC26-1IC26-2IC26-3IC26-3CH1-LEVELCH2-LEVELCH2-REDUCTIONCH1-REDUCTIONR1171KR1561KC H 1 - M A S T E RC H 1 - M A S T E RC H 1 - M A S T E RC H 1 -
21、 M A S T E R321IC22ATL064567IC22BTL0641098IC22CTL06412131IC22DTL064D28BAS16D10BAS16D5BAS16D30BAS16D16BAS16D11BAS16123SW 7ASW PS-22E85L123SW 2ASW PS-22E85L123SW 3ASW PS-22E85L123SW 6ASW PS-22E85LD1ADA204K-2/1D1BDA204K-2/1D7ADA204K-2/1D7BDA204K-2/1D9ADA202K-2/1D9BDA202K-2/1D2ADA204K-2/1D2BDA204K-2/1D1
22、3ADA204K-2/1D13BDA204K-2/1D15ADA202K-2/1D15BDA202K-2/1321IC24ATL064567IC24BTL0641098IC24CTL064121314IC24DTL064321IC20ATL064567IC20BTL0641098IC20CTL064121314IC20DTL064411IC20ETL064321IC23ATL064567IC23BTL0641098IC23CTL064121314IC23DTL064411IC23ETL064411IC24ETL064R1030RR1420RD8ADA202K-2/1D8BDA202K-2/1D
23、6ADA204K-2/1D6BDA204K-2/1D14ADA202K-2/1D14BDA202K-2/1D12ADA204K-2/1D12BDA204K-2/1A C L 4 C H 1 + C H 2 . S c hT i t e lS i z eF i l e :D a t e :D r a w n B y :S h e e tR e v i s i o nM o d e l N o :1 6 - S e p - 2 0 0 4E A S O N Y A N GC O M P R E S S O R : F R O N T P A N E L - R O O T ( C H 1 + C
24、H 2 )31 o fA C L 4V E R 0 4 0 8 2 0A 3L I M I T E R12345678ABCD87654321DCBALD68RDR2583K9T 6BR+15VC404.7UF/100V123VR16A20KR245470RR246560KR24410K+15VR247523K 1%23SW 11APS-42E85LIC44-7R24947KR24847KR25347KR25247KR2544M7R2614K7R2562K2R2552K2C380.22UFC394.7UF/100VR2571M-15VT15BR+15VR2501K5 1%R25120KC374
25、7UF/25VR24147KR24247KR2431KC361UF-15VCH4-LEVEL213IC28ACA3086453IC28BCA3086687IC28CCA308691110IC28DCA3086121413IC28ECA3086R22347KR22447KR22510MR22710MR2262M7-15VC3422UF/35V-15VR2313KR230240KR23243KC35100PR2286K8R2296K2123VR13B10K+15V-15VR2332K456PSW 12BPS-22E85LR2361KR23510KR2372K2123VR14B1K456PSW 11
26、BPS-42E85LLD79RDR2593K+15V101112PSW 11DPS-42E85LR24033RR2393K9R238680R123VR15B10K+15V-15VR22224K9 1%R22117K4 1%C330.33UF789PSW 11CPS-42E85L123456789101112CN212P-2.0+15V-15VR147R147C48100NC47100NC H 4+15V-15VLD51RDR2193K9T14BR+15VC324.7UF/100V123VR12A20KR205470RR206560KR20410K+15VR207523K 1%IC44-7R20
27、947KR20847KR21347KR21247KR2144M7R2184K7R2162K2R2152K2C300.22UFC314.7UF/100VR2171M-15VT13BR+15VR2101K5 1%R21120KC2947UF/25VR20147KR20247KR2031KC281UF-15VCH3-LEVEL213IC25ACA3086453IC25BCA3086687IC25CCA308691110IC25DCA3086121413IC25ECA3086R18547KR18647KR18710MR26210MR1882M7-15VC2622UF/35V-15VR1923KR191
28、240KR19343KC27100PR1896K8R1906K2123VR9B10K+15V-15VR1942K456PSW 8BPS-22E85LR1971KR19610KR1982K2123VR10B1KR2003K9R199680R123VR11B10K+15V-15VR18424K9 1%R18317K4 1%C250.33UFSW10C-9C46100N-15V+15VC45100NC H 3C H 3C H 4IC26-9IC26-9IC26-8IC26-8SW10C-9CH4-REDUCTIONCH3-REDUCTIONCH3-REDUCTIONI / O M E T E RI
29、/ O M E T E RB Y P A S SB Y P A S SC O U P L EC O U P L EC O U P L EC O U P L EI N T E R A C T I V EI N T E R A C T I V EC O M P R E S S O R / L I M I T E RC O M P R E S S O R / L I M I T E RC O M P R E S S O R / L I M I T E RC O M P R E S S O R / L I M I T E RC O M P R E S S O R / L I M I T E RC O
30、M P R E S S O R / L I M I T E RS C F I L T E RS C F I L I T E RT H R E S H O L DT H R E S H O L DN : 1 R A T I ON : 1 R A T I OO U T P U T G A I NO U T P U T G A I NP E A K L I M I T E RP E A K L I M I T E RT H R E S H O L DT H R E S H O L DL I M I T E RL I M I T E RT H R E S H O L DT H R E S H O L
31、D986IC17A4066IC26-8IC26-9111012IC17B4066IC26-12IC26-12IC26-10IC26-10R1951KR2341KC H 3 - M A S T E RC H 3 - M A S T E RC H 3 - M A S T E RC H 3 - M A S T E R411IC26ETL064321IC29ATL064567IC29BTL0641098IC29CTL06412131IC29DTL064411IC29ETL064D31BAS16D21BAS16D17BAS16D32BAS16D29BAS16D23BAS16321IC26ATL06456
32、7IC26BTL0641098IC26CTL064121314IC26DTL064123SW 13ASW PS-22E85L123SW 14ASW PS-22E85L123SW 9ASW PS-22E85L123SW 10ASW PS-22E85LD4ADA204K-2/1D4BDA204K-2/1D19ADA204K-2/1D19BDA204K-2/1D22ADA202K-2/1D22BDA202K-2/1D3ADA204K-2/1D3BDA204K-2/1D25ADA204K-2/1D25BDA204K-2/1D27ADA202K-2/1D27BDA202K-2/1321IC31ATL06
33、4567IC3BTL0641098IC31CTL064121314IC31DTL064411IC31ETL064321IC27ATL064567IC27BTL0641098IC27CTL064121314IC27DTL064411IC27ETL064321IC30ATL064567IC30BTL0641098IC30CTL064121314IC30DTL064411IC30ETL064R1820RR2200RD20ADA202K-2/1D20BDA202K-2/1D18BDA204K-2/1D18ADA204K-2/1D26ADA202K-2/1D26BDA202K-2/1D24ADA204K
34、-2/1D24BDA204K-2/1A C L 4 C H 3 + C H 4 . S c hT i t e lS i z eF i l e :D a t e :D r a w n B y :S h e e tR e v i s i o nM o d e l N o :1 6 - S e p - 2 0 0 4E A S O N Y A N GC O M P R E S S O R : F R O N T P A N E L ( C H 3 + C H 4 )32 o fA C L 4V E R 0 4 0 8 2 0A 312345678ABCD87654321DCBA542IC13ALM3
35、39167IC13BLM3398914IC13CLM339101113IC13DLM339312IC13ELM339542IC14ALM339167IC14BLM3398914IC14CLM339101113IC14DLM339312IC14ELM339542IC15ALM339167IC15BLM3398914IC15CLM339101113IC15DLM339312IC15ELM339542IC16ALM339167IC16BLM3398914IC16CLM339101113IC16DLM339312IC16ELM339T8HRR881K 1/4WR9039KR8915K+15VLD60G
36、 NLD61G NLD62G NLD63G NLD64G NLD65YELD66YELD67RDR91110RR92100RR93200RR94402R 1%R95806R1%R961K58 1%R973K24 1%R986K34 1%R998K06 1%+15VLD81G NLD82G NR791KR802KR813KR824K02 1%R834K99 1%R844K99 1%R854K99 1%R864K99 1%R8786K6 1%-15vT7HRR761.2K 1/4WR7715KR7839KLD52RDLD53RDLD54RDLD55RDLD56RDLD57RDLD58RDLD59R
37、D+15V123SW 12ASW PS-22E85LLD80G NR10022R 1/4W-15VC7100N+15V542IC9ALM339167IC9BLM3398914IC9CLM339101113IC9DLM339312IC9ELM339542IC10ALM339167IC10BLM3398914IC10CLM339101113IC10DLM339312IC10ELM339542IC11ALM339167IC11BLM3398914IC11CLM339101113IC11DLM339312IC11ELM339542IC12ALM339167IC12BLM3398914IC12CLM33
38、9101113IC12DLM339312IC12ELM339T6HRR631K 1/4WR6539KR6415K+15VLD43G NLD44G NLD45G NLD46G NLD47G NLD48YELD49YELD50RDR66110RR67100RR68200RR69402R 1%R70806R1%R711K58 1%R723K24 1%R736K34 1%R748K06 1%+15VLD77G NLD78G NR541KR552KR563KR574K02 1%R584K99 1%R594K99 1%R604K99 1%R614K99 1%R6286K6 1%-15vT5HRR511.2
39、K 1/4WR5215KR5339KLD35RDLD36RDLD37RDLD38RDLD39RDLD40RDLD41RDLD42RD+15V123SW 8ASW PS-22E85LLD76G NR7522R 1/4W-15VC5100N+15V542IC5ALM339167IC5BLM3398914IC5CLM339101113IC5DLM339312IC5ELM339542IC6ALM339167IC6BLM3398914IC6CLM339101113IC6DLM339312IC6ELM339542IC7ALM339167IC7BLM3398914IC7CLM339101113IC7DLM3
40、39312IC7ELM339542IC8ALM339167IC8BLM3398914IC8CLM339101113IC8DLM339312IC8ELM339T4HRR381K 1/4WR4039KR3915K+15VLD26G NLD27G NLD28G NLD29G NLD30G NLD31YELD32YELD33RDR41110RR42100RR43200RR44402R 1%R45806R1%R461K58 1%R473K24 1%R486K34 1%R498K06 1%+15VLD74G NLD75G NR291KR302KR313KR324K02 1%R334K99 1%R344K9
41、9 1%R354K99 1%R364K99 1%R3786K6 1%-15vT3HRR261.2K 1/4WR2715KR2839KLD18RDLD19RDLD20RDLD21RDLD22RDLD23RDLD24RDLD25RD+15V123SW 5ASW PS-22E85LLD73G NR5022R 1/4W-15VC3100N+15V542IC1ALM339167IC1BLM3398914IC1CLM339101113IC1DLM339312IC1ELM339542IC2ALM339167IC2BLM3398914IC2CLM339101113IC2DLM339312IC2ELM33954
42、2IC3ALM339167IC3BLM3398914IC3CLM339101113IC3DLM339312IC3ELM339542IC4ALM339167IC4BLM3398914IC4CLM339101113IC4DLM339312IC4ELM339T2HRR131K 1/4WR1539KR1415K+15VLD9G NLD10G NLD11G NLD12G NLD13G NLD14YELD15YELD16RDR16110RR17100RR18200RR19402R 1%R20806R1%R211K58 1%R223K24 1%R236K34 1%R248K06 1%+15VLD70G NL
43、D71G NR41KR52KR63KR74K02 1%R84K99 1%R94K99 1%R104K99 1%R114K99 1%R1286K6 1%-15vT1HRR11.2K 1/4WR215KR339KLD1RDLD2RDLD3RDLD4RDLD5RDLD6RDLD7RDLD8RD+15V123SW 1ASW PS-22E85LLD69G NR2522R 1/4W-15VC1100N+15VCH4-LEVELCH4-REDUCTIONC H 4C H 4I N P U T / O U T P U TL E V E L ( d B )G A I N R E D U C T I O N (
44、d B )C H 3I N P U T / O U T P U TL E V E L ( d B )C H 2I N P U T / O U T P U TL E V E L ( d B )C H 1I N P U T / O U T P U TL E V E L ( d B )C H 3G A I N R E D U C T I O N ( d B )C H 2G A I N R E D U C T I O N ( d B )C H 1G A I NR E D U C T I O N ( d B )CH3-REDUCTIONCH2-REDUCTIONCH1-REDUCTIONCH3-LEVE
45、LCH2-LEVELCH1-LEVELI / O M E T E RI / O M E T E RI / O M E T E RI / O M E T E RB Y P A S SB Y P A S SB Y P A S SB Y P A S SI N T E R A C T I V EI N T E R A C T I V EI N T E R A C T I V EI N T E R A C T I V EC H 1C H 2C H 3C H 4C247UF/25VC447UF/25VC647UF/25VC847UF/25V147IC17E4066R1021KR101100R-15V+15
46、V456PSW 13BPS-22E85L456PSW 14BPS-22E85L456PSW 9BPS-22E85L456PSW 10BPS-22E85L456PSW 7BPS-22E85L456PSW 2BPS-22E85L456PSW 3BPS-22E85L456PSW 6BPS-22E85LA C L 4 F P - L E D . S c hT i t e lS i z eF i l e :D a t e :D r a w n B y :S h e e tR e v i s i o nM o d e l N o :1 6 - S e p - 2 0 0 4E A S O N Y A N
47、GC O M P R E S S O R : F R O N T P A N E L ( D I S P L A Y )33 o fA C L 4V E R 0 4 0 8 2 0A 312345678ABCD87654321DCBACH3+CH4CH3+CH4SCH2134X1JY5042-030G3c5e1a4d2bX2JY-6351G -02-250518-IN6 2 473V+V-GNDEC+EC-SYMOUTIC8THAT2150+15V-15VR1012K1R114K7 5%R1333R 5%R1247RR14300K 5%123VR150K-15V+15VR113K3R313K3
48、C147PC347PR213K3R413K3C210PC410PR520KR657K6R857K6R720KSW 1PS-42E85R1512K1C647PC547UF/25V123456789101112CN312P-2.0R1810KR205K76R2160R4C80PR224K53R233K24R2760R4R266K04R284K53R293K163c5e1a4d2bX3JY-6351G -02-2502134X4JY-5030-030GC10470PC11470PR1728KC710PR252K67R2410KR193K16R1620KR957K6+15V-15V2134X5JY50
49、42-030G3c5e1a4d2bX6JY-6351G -02-250R3013K3R3213K3R3113K3R3313K3C1247PC1447PC1310P518-IN6 2 473V+V-GNDEC+EC-SYMOUTIC9THAT2150+15V-15VR404K7 5%R3912K1R43300K 5%R4147RR421K 5%123VR250K+15V-15VC1647UF/25VR4412K1X18-12C1747PR3557K6R3420KC1510PR3757K6R3620KR4628KR4520KC1810PR542K67R495K76R5660R4R483K16R53
50、10KC190PR556K04R574K53R5060R4R583K16R523K242134X8JY-5030-030G3c5e1a4d2bX7JY-6351G -02-250R514K53R4710KC21470PC22470PSW 2PS-42E85321IC3ATL074567IC3BTL0741098IC3CTL074121314IC3DTL074411IC5ETL0741098IC5CTL074121314IC5DTL074411IC3ETL074C55100NC56100NC57100NC58100N+15V-15VR3857K6SW1-10SW1-10SW2-10SW2-10X