Alto ACL8 Service Manual Download Page 2

Page: 2 / 22

CONTENTS

1. Introduction………………………………………………………………………………….1

2. Specification…………………………………………………………………………………2

3. Block Diagram………………………………………………………………………………

4. Schematic Diagram………………………………………………………………………..

5. Wiring Diagram……………………………………………………………………………

6. PCB Layout………………………………………………………………………………

..8

7. Exploded View & Mechanical Parts List………………………………………………

8. Trouble Shooting ………………………………………………………………………

..15

9. BOM List…………………………………………………………………………………

.16

Summary of Contents for ACL8

Page 1: ...www altoproaudio com Version 1 0 MODEL ACL8 Revised on Apr 2010 ...

Page 2: ...CONTENTS 1 Introduction 1 2 Specification 2 3 Block Diagram 3 4 Schematic Diagram 4 5 Wiring Diagram 7 6 PCB Layout 8 7 Exploded View Mechanical Parts List 13 8 Trouble Shooting 15 9 BOM List 16 ...

Page 3: ... includes several innovative circuit designs that make the ACL 8 a very versatile processor smart and fast recognition of the program adjustable Expander Gate and very low distortion Voltage Control Amplifier VCA ACL8 features as follows Illuminated power switch Mountable in a 19 rack unit Smart Knee Control Compressor SKC The AUTO Function Attack and Release Controls Smart Ratio Control expander ...

Page 4: ...m Limiter Attack program dependent typ 5ms Release program dependent typ 20dB s SMART Enable the smart knee control characteristics SC FILTER Allow for frequency dependent processing Enable th automatic and program dependent setting of the Attack Release times disengaging the manual Attack Release controls I O Meter Switches between input and output for level meter BYPASS Bypass switch Changes the...

Page 5: ...MPRESSOR COMPRESSOR CONTROL EXPANDER GATE EXPANDER GATE CONTROL PEAK LIMITER CONTROL LIMITER SGND SGND VCA 4dBu 4dBu 10dBv OR OUTPUT LEVEL GAIN REDUCTION METER STEREO LINK IN OUT STEREO LINK CH2 CH8 IS IDENTICAL TO CH1 EXCEPT FOR STEREO LINK MODE EXPANDER GATE COMPRESSOR LIMITER ARE CONTROLLED BY CH1 IN STERO LINK MODE OUTPUT INPUT OUTPUT INPUT SIDECHAIN SIDECHAIN RETURN SEND FULL WAVE RECTIFIER 3...

Page 6: ...LD6 RD LD5 RD LD4 RD LD3 RD LD2 RD LD1 RD 15V INPUT OUTPUT LEVEL dB GAIN REDUCTION dB HR 2SA1036 PNP BR 2SC2412 NPN CH1 REDUCTION CH2 REDUCTION R117 2 8 0R 2 8 R118 1 0R 1 T5 HR R25 560R 1 4W R27 39K2 4 5 6 P SW4B SW PBA 6PC 10 11 12 P SW2D SW PBA 12PC LD28 YE 15V LD24 GN 1 2 3 P SW6A SW PBA 12PC 7 8 9 P SW6C SW PBA 12PC 4 5 6 P SW2B SW PBA 12PC LD26 GN LD27 GN LD25 YE 1 2 3 P SW5A SW PBA 6PC 1 2 ...

Page 7: ... C16 10uF 50V C17 10P C11 100N C12 100N C13 100N R29 6K04 C14 100N R27 4K53 R26 3K24 R28 60R4 R19 10K0 R16 20K0 C18 470P C19 470P SGND 15V SGND SGND 15V OUTPUT INPUT SIDECHAIN SGND SGND SGND 5 1 8 IN 6 2 4 7 3 V V GND EC EC SYM OUT IC3 THAT2150 SGND SGND SGND SGND SGND 15V OPERATING LEVEL 4dBu 10dBu INPUT RETURN 2 1 3 4 X1 JY5042 030G 2 1 3 4 X6 JY 5030 030G 3c 5e 1a 4d 2b X2 CN JY6351G 02 3c 5e 1...

Page 8: ... TR2 7915 C1 3300uF 35V C2 3300uF 35V C5 1000uF 35V C6 1000uF 35V 15V 15V 1 2 3 CN2 CN2 5 3P 180 1 2 3 CN3 CN2 5 3P 180 1 2 CN4 CN2 5 2P 180 R1 1 2K 1 4W 1 2 3 CN1 CN3 9 3P 180 1 2 3 CN5 CN3 9 3P 180 POWER Sch Titel Size File Date Drawn By Sheet Revision Model No 27 Aug 2002 SCOTT YANG CLE80PWR 1 1 of CLE8 0 V1 0 A4 6 ...

Page 9: ...0 A4 電源開關 LED GND 變壓器 AC IN 220V 110V 藍紅 CH1 CN1 CLE80FP CLE80FP CN1 CN2 CN1 CN2 CN1 CN2 CN1 CN2 CN1 CN2 CN1 CN2 CN1 CN2 CN1 CN2 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH2 CN1 CH3 CN1 CH4 CN1 CH5 CN1 CH6 CN1 CH7 CN1 CH8 CN1 CLE80PU CLE8 0 全機配線圖 CLE80PWR CLE80PWR TP CN1 CN5 CN1 CN5 CN2 CN3 CN2 CN3 ACL 8 WIRING DIAGRAM RED BLUE Transformer PWR SW 5 Wiring Diagram 7 ...

Page 10: ...6 PCB LAYOUT 8 ...

Page 11: ... 9 ...

Page 12: ... 10 ...

Page 13: ... 11 ...

Page 14: ... 12 ...

Page 15: ...7 Exploded View Mechanical Parts List 13 ...

Page 16: ... 12 53 14_V1 0 1 13 NI03251 bushing RS C ABS 19 3 19 2 7 1 14 NI03253 light guiding block RS C 15 15 10 7 _V1 0 1 15 NI00501 self adhesive foot cushion RS 12 7 9 3t SF 004 4 16 NI02103 light guiding pillar RS C 35 5 9 2 16 16 17 NI01863 button RS φ5 5 W10 7 5 8 18 NI01862 button handle RS C 5 5 5 5 14 5_V1 1 8 19 NI02249 insulating bean RS TW 1 TO 220 4 20 NI01147 knob cover RS ABS φ7 3 5 16 21 NC...

Page 17: ...ds distorted and very loud LIMIT light is lit most of the time Excessive input signal rying to exceed the capabilities of the speakers Reduce the output level of the source Turn down the level controls on the speaker Use additional EON speakers Lots of hiss in the sound the mixer controls are at very low settings Inproper gain structure Make sure that the MIC LINE switch is in the LINE disengaged ...

Page 18: ...pillar M3 17 5 0 5PHsingle length23 5 1 CLE8 0 FP assembly 0043 HD00006 glass tube fuse 315mA 250V φ5 2 20mm CSA S UL VDE 0044 HC00258 connector male 7P 2 0mm 180 0045 HC00008 AC socket 3515 A TYPE RF 2004 C 4 8 0046 HA02521 wire 2P 2P 250mm UL1007 28AWG blackred connect CLE80PWR ACL2PWRSW 0047 HA01394 wire RS 3P 3P 120 UL1007 24AWG 0048 HA00861 power cord Europe 3P LT 312 LT 501 0049 HA02190 sign...

Page 19: ...D00277 SMD precise resistor 1 10W 200Ω 1 0603 R34 R35 0005 RD00282 SMD precise resistor 1 10W 1 00KΩ 1 0603 R30 R31 R33 0006 RD00271 SMD precise resistor 1 10W 2 67KΩ 1 0603 R21 0007 RD00363 SMD precise resistor 1 10W 3 16KΩ 1 0603 R18 R25 0008 RD00285 SMD precise resistor 1 10W 3 24KΩ 1 0603 R26 0009 RD00286 SMD precise resistor 1 10W 4 53KΩ 1 0603 R24 R27 0010 RD00386 SMD precise resistor 1 10W ...

Page 20: ...0037 SE00014 SMD zener diode RS E 1 2W 2 7V RLZ5 1B LL 34 D25 0038 SE00002 SMD L E D red 67 21SURC S530 A2 TR8 1210 LD23 0039 SE00003 SMD L E D green 67 21SYGC S530 E1 TR8 1210 LD24 LD26 LD27 0040 SE00004 SMD L E D yellow 67 21UYC S530 A2 TR8 1210 LD25 LD28 0041 SF00056 transistor MMBT3904 SOT23 PHI T10 T11 T7 0042 SF00053 transistor MMBT3906 SOT23 PHI T5 T6 T8 T9 0043 SF00039 transistor MMBFJ112 ...

Page 21: ...4 75KΩ 1 0603 R106 R68 R81 R89 0010 RD00209 SMD precise resistor 1 10W 4 99KΩ 1 0603 R53 0011 RD00366 SMD precise resistor 1 10W 7 15KΩ 1 0603 R94 0012 RD00214 SMD precise resistor 1 10W 10 0KΩ 1 0603 R49 R50 R56 R61 R66 R67 R71 R85 R95 0013 RD00301 SMD precise resistor 1 10W 12 1KΩ 1 0603 R78 R88 0014 RD00218 SMD precise resistor 1 10W 15 0KΩ 1 0603 R26 R72 0015 RD00293 SMD precise resistor 1 10W...

Page 22: ... 1 10W 3 24KΩ 1 0603 R22 0012 RD00364 SMD precise resistor 1 10W 4 02KΩ 1 0603 R10 0013 RD00209 SMD precise resistor 1 10W 4 99KΩ 1 0603 R11 R12 R13 R14 0014 RD00287 SMD precise resistor 1 10W 6 34KΩ 1 0603 R23 0015 RD00289 SMD precise resistor 1 10W 8 06KΩ 1 0603 R24 0016 RD00218 SMD precise resistor 1 10W 15 0KΩ 1 0603 R3 R5 0017 RD00317 SMD precise resistor 1 10W 39 2KΩ 1 0603 R4 R6 0018 RD0029...

Search results

Summary of Contents for ACL8

Reviews:

Related manuals for ACL8

Brands by name

Popular brands

Alto ACL8, Service Manual

Search results

Summary of Contents for ACL8

Reviews:

Related manuals for ACL8

Brands by name

Popular brands