Alto_ACL4_Quad_Compressor_Service_Manual电路图.pdf

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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

2、10. 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 lev

3、el +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 Bandw

4、idth 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 COMPRESS

5、OR 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 A

6、uto 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 At

7、tack Time “zero” Release Time “zero” Stage 2 Limiter Type Program Limiter RadioFans.CN 收音机爱 好者资料库 1. Specification Attack program dependent, typ. 5ms Release Program dependent, typ. 20dB/s FUNCTION SWITCHES SMART Enables the “Interactive Knee Adaptation” characteristics. CONTOUR Allows for frequency

8、 dependent detection. 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 G

9、AIN REDUCTION 8 element 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, 5

10、0Hz Europe 230VAC, 50Hz 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 1234 A B

11、C D 4321 D C B A 2 1 3 4 3c 5e 1a 4d 2b I N P U T SGND O P E R A T I N G L E V E L - 1 0 d B v + 4 d B u 2 1 3 4 3c 5e 1a 4d 2b SGNDSGND O U T P U T O P E R A T I N G L E V E L C O M P O U T B Y P A S S - 1 0 d B v C O M P R E S S O R C O M P R E S S O R C O N T R O L P E A K L I M I T E R C O N T R

12、 O L L I M I T E R V C A + 4 d B u O U T P U T L E V E L G A I N R E D U C T I O N M E T E R S T E R E O L I N K C H 2 ( C H 4 ) I S I D E N T I C A L T O C H 1 ( C H 3 ) E X C E P T F O R S T E R E O L I N K M O D E C O M P R E S S O R / L I M I T E R , P E A K L I M I T E R A R E C O N T R O L L E

13、 D B Y C H 1 ( C H 3 ) I N S T E R O L I N K M O D E O U T P U T I N P U T O U T P U T I N P U T F U L L W A V E R E C T I F IE R ? 2.Black Diagram 12345678 A B C D 87654321 D C B A CH3-LEVEL CH4-LEVEL CH3-REDUCTION CH4-REDUCTION CH3+CH4 CH3+CH4.SCH CH3-LEVEL CH4-LEVEL CH3-REDUCTION CH4-REDUCTION CH

14、4-LEVEL CH3-LEVEL CH1-LEVEL CH2-LEVEL CH1-REDUCTION CH2-REDUCTION CH3-REDUCTION CH4-REDUCTION FP-LED FP-LED.SCH CH4-LEVEL CH3-LEVEL CH1-LEVEL CH2-LEVEL CH1-REDUCTION CH2-REDUCTION CH3-REDUCTION CH4-REDUCTION LD34 RD R180 3K9 T12 BR +15V C24 4.7UF/100V 1 2 3 VR8 A20K R167 470R R168 560K R166 10K +15V

15、 R169 523K 1% 1 2 3 SW 4A PS-42E85L IC36-1 R172 47K R170 47K R175 47K R174 47K R176 4M7 R260 4K7 R177 2K2 R178 2K2 C22 0.22UF C23 4.7UF/100V R179 1M -15V T11 BR +15V R171 1K5 1% R173 20K C21 47UF/25V R163 47K R164 47K R165 1K C20 1UF -15V CH2-LEVEL 2 13 IC21A CA3086 4 53 IC21B CA3086 6 87 IC21C CA30

16、86 9 1110 IC21D CA3086 12 1413 IC21E CA3086 R145 47K R146 47K R147 10M R149 10M R148 2M7 -15V C18 22UF/35V -15V R154 3K R152 240K R153 43K C19 100P R150 6K8 R151 6K2 1 2 3 VR5 B10K +15V -15V R155 2K 4 5 6 P SW 5B PS-22E85L R158 1K R157 10K R159 2K2 1 2 3 VR6 B1K 4 5 6 P SW 4B PS-42E85L LD72 RD R181

17、3K +15V IC26-5 10 11 12 P SW 4D PS-42E85L R162 33R R161 3K9 R160 680R 1 2 3 VR7 B10K +15V -15V R144 24K9 1% R143 17K4 1% C17 0.33UF 7 8 9 P SW 4C PS-42E85L 1 2 3 4 5 6 7 8 9 10 11 12 CN1 12P-2.0 +15V -15V R284 R284 C44 100N 411 IC19E TL064 C43 100N C H 2 +15V -15V LD17 RD R141 3K9 T10 BR +15V C16 4.

18、7UF/100V 1 2 3 VR4 A20K R127 470R R128 560K R126 10K +15V R129 523K 1% IC36-1 R132 47K R131 47K R135 47K R134 47K R136 4M7 R140 4K7 R138 2K2 R137 2K2 C14 0.22UF C15 4.7UF/100V R139 1M -15V T9 BR +15V R130 1K5 1% R133 20K C13 47UF/25V R123 47K R124 47K R125 1K C12 1UF -15V CH1-LEVEL 2 13 IC18A CA3086

19、 4 53 IC18B CA3086 6 87 IC18C CA3086 9 1110 IC18D CA3086 12 1413 IC18E CA3086 3 2 1 IC19A TL064 5 6 7 IC19B TL064 10 9 8 IC19C TL064 12 13 14 IC19D TL064 R106 47K R107 47K R108 10M R110 10M R109 2M7 -15V C10 22UF/35V -15V R115 3K R113 240K R114 43K C11 100P R111 6K8 R112 6K2 1 2 3 VR1 B10K +15V -15V

20、 R116 2K 4 5 6 P SW 1B PS-22E85L R119 1K R118 10K R120 2K2 1 2 3 VR2 B1K R122 3K9 R121 680R 1 2 3 VR3 B10K +15V -15V R105 24K9 1% R104 17K4 1% C9 0.33UF SW9C-9 411 IC22E TL064 C42 100N -15V +15V C41 100N C H 1C H 1 C H 2 IC26-2 IC26-2 IC26-1 IC26-1 SW9C-9 CH2-REDUCTION CH1-REDUCTION CH1-REDUCTION I

21、/ O M E T E R I / O M E T E R B Y P A S S B Y P A S S C O U P L E C O U P L E C O U P L E C O U P L E I N T E R A C T I V E I N T E R A C T I V E C O M P R E S S O R / L I M I T E R C O M P R E S S O R / L I M I T E R C O M P R E S S O R / L I M I T E R C O M P R E S S O R / L I M I T E R C O M P R

22、E S S O R / L I M I T E R C O M P R E S S O R / L I M I T E R S C F I L T E R S C F I L I T E R T H R E S H O L D T H R E S H O L D N : 1 R A T I O N : 1 R A T I O O U T P U T G A I N O U T P U T G A I N P E A K L I M I T E R P E A K L I M I T E R T H R E S H O L D T H R E S H O L D L I M I T E R T

23、H R E S H O L D T H R E S H O L D 12 13 IC17D 4066 43 5 IC17C 4066 IC26-5 IC26-1IC26-2 IC26-3 IC26-3 CH1-LEVEL CH2-LEVEL CH2-REDUCTION CH1-REDUCTION R117 1K R156 1K C H 1 - M A S T E R C H 1 - M A S T E R C H 1 - M A S T E R C H 1 - M A S T E R 3 2 1 IC22A TL064 5 6 7 IC22B TL064 10 9 8 IC22C TL064

24、12 13 14 IC22D TL064 D28 BAS16 D10 BAS16 D5 BAS16 D30 BAS16 D16 BAS16 D11 BAS161 2 3 SW 7A SW PS-22E85L 1 2 3 SW 2A SW PS-22E85L 1 2 3 SW 3A SW PS-22E85L 1 2 3 SW 6A SW PS-22E85L D1A DA204K-2/1 D1B DA204K-2/1 D7A DA204K-2/1 D7B DA204K-2/1 D9A DA202K-2/1 D9B DA202K-2/1 D2A DA204K-2/1 D2B DA204K-2/1 D

25、13A DA204K-2/1 D13B DA204K-2/1 D15A DA202K-2/1 D15B DA202K-2/1 3 2 1 IC24A TL064 5 6 7 IC24B TL064 10 9 8 IC24C TL064 12 13 14 IC24D TL064 3 2 1 IC20A TL064 5 6 7 IC20B TL064 10 9 8 IC20C TL064 12 13 14 IC20D TL064 411 IC20E TL064 3 2 1 IC23A TL064 5 6 7 IC23B TL064 10 9 8 IC23C TL064 12 13 14 IC23D

26、 TL064 411 IC23E TL064 411 IC24E TL064 R103 0R R142 0R D8A DA202K-2/1 D8B DA202K-2/1 D6A DA204K-2/1 D6B DA204K-2/1 D14A DA202K-2/1 D14B DA202K-2/1 D12A DA204K-2/1 D12B DA204K-2/1 A C L 4 C H 1 + C H 2 . S c h T i t e l S i z e F i l e : D a t e : D r a w n B y : S h e e t R e v i s i o nM o d e l N

27、o : 1 6 - S e p - 2 0 0 4 E A S O N Y A N G C 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 H 2 ) 31 o f A C L 4 V E R 0 4 0 8 2 0 A 3 L I M I T E R 3. Schematic Diagram 12345678 A B C D 87654321 D C B A LD68 RD R258 3K9 T16 BR +15V C40 4.7UF/100V 1 2 3 VR16 A20K R245 470R R246 560K

28、R244 10K +15V R247 523K 1% 1 2 3 SW 11A PS-42E85L IC44-7 R249 47K R248 47K R253 47K R252 47K R254 4M7 R261 4K7 R256 2K2 R255 2K2 C38 0.22UF C39 4.7UF/100V R257 1M -15V T15 BR +15V R250 1K5 1% R251 20K C37 47UF/25V R241 47K R242 47K R243 1K C36 1UF -15V CH4-LEVEL 2 13 IC28A CA3086 4 53 IC28B CA3086 6

29、 87 IC28C CA3086 9 1110 IC28D CA3086 12 1413 IC28E CA3086 R223 47K R224 47K R225 10M R227 10M R226 2M7 -15V C34 22UF/35V -15V R231 3K R230 240K R232 43K C35 100P R228 6K8 R229 6K2 1 2 3 VR13 B10K +15V -15V R233 2K 4 5 6 P SW 12B PS-22E85L R236 1K R235 10K R237 2K2 1 2 3 VR14 B1K 4 5 6 P SW 11B PS-42

30、E85L LD79 RD R259 3K +15V 10 11 12 P SW 11D PS-42E85L R240 33R R239 3K9 R238 680R 1 2 3 VR15 B10K +15V -15V R222 24K9 1% R221 17K4 1% C33 0.33UF 7 8 9 P SW 11C PS-42E85L 1 2 3 4 5 6 7 8 9 10 11 12 CN2 12P-2.0 +15V -15V R147 R147 C48 100N C47 100N C H 4 +15V -15V LD51 RD R219 3K9 T14 BR +15V C32 4.7U

31、F/100V 1 2 3 VR12 A20K R205 470R R206 560K R204 10K +15V R207 523K 1% IC44-7 R209 47K R208 47K R213 47K R212 47K R214 4M7 R218 4K7 R216 2K2 R215 2K2 C30 0.22UF C31 4.7UF/100V R217 1M -15V T13 BR +15V R210 1K5 1% R211 20K C29 47UF/25V R201 47K R202 47K R203 1K C28 1UF -15V CH3-LEVEL 2 13 IC25A CA3086

32、 4 53 IC25B CA3086 6 87 IC25C CA3086 9 1110 IC25D CA3086 12 1413 IC25E CA3086 R185 47K R186 47K R187 10M R262 10M R188 2M7 -15V C26 22UF/35V -15V R192 3K R191 240K R193 43K C27 100P R189 6K8 R190 6K2 1 2 3 VR9 B10K +15V -15V R194 2K 4 5 6 P SW 8B PS-22E85L R197 1K R196 10K R198 2K2 1 2 3 VR10 B1K R2

33、00 3K9 R199 680R 1 2 3 VR11 B10K +15V -15V R184 24K9 1% R183 17K4 1% C25 0.33UF SW10C-9 C46 100N -15V +15V C45 100N C H 3 C H 3 C H 4 IC26-9 IC26-9 IC26-8 IC26-8 SW10C-9 CH4-REDUCTION CH3-REDUCTION CH3-REDUCTION I / O M E T E R I / O M E T E R B Y P A S S B Y P A S S C O U P L E C O U P L E C O U P

34、L E C O U P L E I N T E R A C T I V E I N T E R A C T I V E C O M P R E S S O R / L I M I T E R C O M P R E S S O R / L I M I T E R C O M P R E S S O R / L I M I T E R C O M P R E S S O R / L I M I T E R C O M P R E S S O R / L I M I T E R C O M P R E S S O R / L I M I T E R S C F I L T E R S C F I

35、L I T E R T H R E S H O L D T H R E S H O L D N : 1 R A T I O N : 1 R A T I O O U T P U T G A I N O U T P U T G A I N P E A K L I M I T E R P E A K L I M I T E R T H R E S H O L D T H R E S H O L D L I M I T E R L I M I T E R T H R E S H O L D T H R E S H O L D 98 6 IC17A 4066 IC26-8IC26-9 1110 12 I

36、C17B 4066 IC26-12 IC26-12 IC26-10 IC26-10 R195 1K R234 1K C H 3 - M A S T E R C H 3 - M A S T E R C H 3 - M A S T E R C H 3 - M A S T E R 411 IC26E TL064 3 2 1 IC29A TL064 5 6 7 IC29B TL064 10 9 8 IC29C TL064 12 13 14 IC29D TL064 411 IC29E TL064 D31 BAS16 D21 BAS16 D17 BAS16 D32 BAS16 D29 BAS16 D23

37、BAS16 3 2 1 IC26A TL064 5 6 7 IC26B TL064 10 9 8 IC26C TL064 12 13 14 IC26D TL064 1 2 3 SW 13A SW PS-22E85L 1 2 3 SW 14A SW PS-22E85L 1 2 3 SW 9A SW PS-22E85L 1 2 3 SW 10A SW PS-22E85L D4A DA204K-2/1 D4B DA204K-2/1 D19A DA204K-2/1 D19B DA204K-2/1 D22A DA202K-2/1 D22B DA202K-2/1 D3A DA204K-2/1 D3B DA

38、204K-2/1 D25A DA204K-2/1 D25B DA204K-2/1 D27A DA202K-2/1 D27B DA202K-2/1 3 2 1 IC31A TL064 5 6 7 IC31B TL064 10 9 8 IC31C TL064 12 13 14 IC31D TL064 411 IC31E TL064 3 2 1 IC27A TL064 5 6 7 IC27B TL064 10 9 8 IC27C TL064 12 13 14 IC27D TL064 411 IC27E TL064 3 2 1 IC30A TL064 5 6 7 IC30B TL064 10 9 8

39、IC30C TL064 12 13 14 IC30D TL064 411 IC30E TL064 R182 0R R220 0R D20A DA202K-2/1 D20B DA202K-2/1 D18B DA204K-2/1 D18A DA204K-2/1 D26A DA202K-2/1 D26B DA202K-2/1 D24A DA204K-2/1 D24B DA204K-2/1 A C L 4 C H 3 + C H 4 . S c h T i t e l S i z e F i l e : D a t e : D r a w n B y : S h e e t R e v i s i o

40、 nM o d e l N o : 1 6 - S e p - 2 0 0 4 E A S O N Y A N G C 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 f A C L 4 V E R 0 4 0 8 2 0 A 3 12345678 A B C D 87654321 D C B A 5 4 2 IC13A LM339 1 6 7 IC13B LM339 8 9 14 IC13C LM339 10 11 13 IC13D LM339 312 IC13E LM339 5 4 2 IC14A LM339 1

41、 6 7 IC14B LM339 8 9 14 IC14C LM339 10 11 13 IC14D LM339 312 IC14E LM339 5 4 2 IC15A LM339 1 6 7 IC15B LM339 8 9 14 IC15C LM339 10 11 13 IC15D LM339 312 IC15E LM339 5 4 2 IC16A LM339 1 6 7 IC16B LM339 8 9 14 IC16C LM339 10 11 13 IC16D LM339 312 IC16E LM339 T8 HR R88 1K 1/4W R90 39K R89 15K +15V LD60

42、 G N LD61 G N LD62 G N LD63 G N LD64 G N LD65 YE LD66 YE LD67 RD R91 110R R92 100R R93 200R R94 402R 1% R95 806R1% R96 1K58 1% R97 3K24 1% R98 6K34 1% R99 8K06 1% +15V LD81 G N LD82 G N R79 1K R80 2K R81 3K R82 4K02 1% R83 4K99 1% R84 4K99 1% R85 4K99 1% R86 4K99 1% R87 86K6 1% -15v T7 HR R76 1.2K 1

43、/4W R77 15K R78 39K LD52 RD LD53 RD LD54 RD LD55 RD LD56 RD LD57 RD LD58 RD LD59 RD +15V 1 2 3 SW 12A SW PS-22E85L LD80 G N R100 22R 1/4W -15V C7 100N +15V 5 4 2 IC9A LM339 1 6 7 IC9B LM339 8 9 14 IC9C LM339 10 11 13 IC9D LM339 312 IC9E LM339 5 4 2 IC10A LM339 1 6 7 IC10B LM339 8 9 14 IC10C LM339 10

44、 11 13 IC10D LM339 312 IC10E LM339 5 4 2 IC11A LM339 1 6 7 IC11B LM339 8 9 14 IC11C LM339 10 11 13 IC11D LM339 312 IC11E LM339 5 4 2 IC12A LM339 1 6 7 IC12B LM339 8 9 14 IC12C LM339 10 11 13 IC12D LM339 312 IC12E LM339 T6 HR R63 1K 1/4W R65 39K R64 15K +15V LD43 G N LD44 G N LD45 G N LD46 G N LD47 G

45、 N LD48 YE LD49 YE LD50 RD R66 110R R67 100R R68 200R R69 402R 1% R70 806R1% R71 1K58 1% R72 3K24 1% R73 6K34 1% R74 8K06 1% +15V LD77 G N LD78 G N R54 1K R55 2K R56 3K R57 4K02 1% R58 4K99 1% R59 4K99 1% R60 4K99 1% R61 4K99 1% R62 86K6 1% -15v T5 HR R51 1.2K 1/4W R52 15K R53 39K LD35 RD LD36 RD LD

46、37 RD LD38 RD LD39 RD LD40 RD LD41 RD LD42 RD +15V 1 2 3 SW 8A SW PS-22E85L LD76 G N R75 22R 1/4W -15V C5 100N +15V 5 4 2 IC5A LM339 1 6 7 IC5B LM339 8 9 14 IC5C LM339 10 11 13 IC5D LM339 312 IC5E LM339 5 4 2 IC6A LM339 1 6 7 IC6B LM339 8 9 14 IC6C LM339 10 11 13 IC6D LM339 312 IC6E LM339 5 4 2 IC7A

47、 LM339 1 6 7 IC7B LM339 8 9 14 IC7C LM339 10 11 13 IC7D LM339 312 IC7E LM339 5 4 2 IC8A LM339 1 6 7 IC8B LM339 8 9 14 IC8C LM339 10 11 13 IC8D LM339 312 IC8E LM339 T4 HR R38 1K 1/4W R40 39K R39 15K +15V LD26 G N LD27 G N LD28 G N LD29 G N LD30 G N LD31 YE LD32 YE LD33 RD R41 110R R42 100R R43 200R R

48、44 402R 1% R45 806R1% R46 1K58 1% R47 3K24 1% R48 6K34 1% R49 8K06 1% +15V LD74 G N LD75 G N R29 1K R30 2K R31 3K R32 4K02 1% R33 4K99 1% R34 4K99 1% R35 4K99 1% R36 4K99 1% R37 86K6 1% -15v T3 HR R26 1.2K 1/4W R27 15K R28 39K LD18 RD LD19 RD LD20 RD LD21 RD LD22 RD LD23 RD LD24 RD LD25 RD +15V 1 2

49、3 SW 5A SW PS-22E85L LD73 G N R50 22R 1/4W -15V C3 100N +15V 5 4 2 IC1A LM339 1 6 7 IC1B LM339 8 9 14 IC1C LM339 10 11 13 IC1D LM339 312 IC1E LM339 5 4 2 IC2A LM339 1 6 7 IC2B LM339 8 9 14 IC2C LM339 10 11 13 IC2D LM339 312 IC2E LM339 5 4 2 IC3A LM339 1 6 7 IC3B LM339 8 9 14 IC3C LM339 10 11 13 IC3D LM339 312 IC3E LM339 5 4