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Audison LPX 4.5 Service Manual
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Audison LPX 4.5 Service Manual

Audison LPX 4.5 Service Manual

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All manuals and user guides at all-guides.com
- SERVICE MANUAL -
Issued in July 2007
62018 Potenza Picena (MC) Italy • Tel. 0733.870870 • Fax. 0733.870880 • http://www.audison.com

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Summary of Contents for Audison LPX 4.5

  • Page 1 All manuals and user guides at all-guides.com - SERVICE MANUAL - Issued in July 2007 62018 Potenza Picena (MC) Italy • Tel. 0733.870870 • Fax. 0733.870880 • http://www.audison.com...
  • Page 2 All manuals and user guides at all-guides.com CONTENTS PART 1: ELECTRONIC PART and UPGRADING Section A: Identification system 1. Mainboard identification page from 1 to 1 2. Modules Identification and replacement page from 1 to 1 Section B: LRx4.5 Mainboard revisions LRx4.5-MB First Version Rk = 12 Ohm 1.
  • Page 3 All manuals and user guides at all-guides.com CONTENTS Section F: Modules Block Diagrams 1. ABLD.1/.1A/.1B - Block diagram sheet from 1 to 1 2. CPU.1/.1A - Block diagram sheet from 1 to 1 3. PSC.1 - Block diagram sheet from 1 to 1 Section G: LRx series components pin-out 1.
  • Page 4 All manuals and user guides at all-guides.com PART 1 ELECTRONIC PART...
  • Page 5 A different number indicates a non complatible VERSION. Please don’t use modules with a different VERSION NUMBER for replacement, unless it is indicates. Contact Audison for any necessary clarifications. REVISION LETTER A different letter indicates the module improved revision. Compatibility is not compromised. It is always suitable to replace a module with another one having the same letter or the successive one.
  • Page 6 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - First Version PART 1: ELECTRONIC PART Section B: Mainboard revisions First Version: Rk = 12 Ohm 1. Electrical diagrams - Rk = 12 Ohm sheet from 1 to 2 2.
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  • Page 11 All manuals and user guides at all-guides.com LRx 4.5 PCB PARTS LIST Rk = 12 Ohm REF. NO PART NO DESCRIPTION Q.TY INSULATOR FOR INDUCTOR L40 ..... . . 10035010 ..DIAM. 35mm ADHESIVE MYLAR ......1 FOR TOROIDAL TRANSFORMER .
  • Page 12 All manuals and user guides at all-guides.com LRx 4.5 EXPLODED PCB PARTS LIST Rk = 12 Ohm REF. NO PART NO DESCRIPTION Q.TY 10071100 9.5x11mm ADHESIVE FELT 10090080 40x40x20mm FAN WITH CONNECTOR 10096010 LRx - 40mm FAN SUPPORT 10096020 LRx FAN SUPPORT - ANGLE CLIP 12420140 De 6.4 di 3.2 h.
  • Page 13 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - First Version PART 1: ELECTRONIC PART Section C: Power Side 2 Module Revision First Version: Rev. = .1 1. Electrical diagrams - Rev. = .1 sheet from 1 to 2 2.
  • Page 14 S. Regina Km. 3,500 - Marignano - 62018 Potenza Picena (MC) is not copied, printed or given to thirds without previous Tel. 0733.870870 Fax 0733.870880 written consent by Sheet description: Product: Type: Rev/Rk: audison LRx2-NEW POWER SIDE POSITIVE PCB code: Date: Sheet: BAF152B 16726910 B...
  • Page 15 S. Regina Km. 3,500 - Marignano - 62018 Potenza Picena (MC) is not copied, printed or given to thirds without previous Tel. 0733.870870 Fax 0733.870880 written consent by Sheet description: Product: Type: Rev/Rk: audison LRx2-NEW POWER SIDE NEGATIVE PCB code: Date: Sheet: BAF152B 16726910 B...
  • Page 16 S. Regina Km. 3,500 - Marignano - 62018 Potenza Picena (MC) is not copied, printed or given to thirds without previous Tel. 0733.870870 Fax 0733.870880 written consent by Sheet description: Product: Type: Rev/Rk: audison LRx2 PS2-P/N PCB code: Date: Sheet: COMPONENTS LAY-OUT BAC161C...
  • Page 17 All manuals and user guides at all-guides.com PS2-P/N.1 MODULE PCB PARTS LIST Revision .1 REF. NO PART NO DESCRIPTION Q.TY MECHANICAL PARTS DS101........14244000..TEMPERATURE SENSOR SUPPORT ....1 CONNECTION WIRE AND CONNECTORS J1 J2 J3 .
  • Page 18 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - Upgrading Version PART 1: ELECTRONIC PART Section C : Power Side 2 Module Revision Upgrading Version: Rev. = .1A 1. Electrical diagrams - Rev. = .1A sheet from 1 to 2 2.
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  • Page 22 All manuals and user guides at all-guides.com PS2-P/N.1A MODULE PCB PARTS LIST Revision .1A REF. NO PART NO DESCRIPTION Q.TY MECHANICAL PARTS DS101........14244000... TEMPERATURE SENSOR SUPPORT ....1 CONNECTION WIRE AND CONNECTORS J1 J2 J3 .
  • Page 23 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - First Version PART 1: ELECTRONIC PART Section D : Class AB Final Modules First Version: Rev. = .1 1. AB7-2.1 Electrical diagrams - Rev. = .1 sheet from 1 to 1 2.
  • Page 24 S. Regina Km. 3,500 - Marignano - 62018 Potenza Picena (MC) is not copied, printed or given to thirds without previous Tel. 0733.870870 Fax 0733.870880 written consent by Sheet description: Product: Type: Rev/Rk: audison AB7-2 LRx.1 Modul POWER AMPLIFIER 2xTO247 PCB code: Date: Sheet: BAF149B...
  • Page 25 S. Regina Km. 3,500 - Marignano - 62018 Potenza Picena (MC) is not copied, printed or given to thirds without previous Tel. 0733.870870 Fax 0733.870880 written consent by Sheet description: Product: Type: Rev/Rk: audison AB7-2 LRx2 COMPONENTS LAY-OUT PCB code: Date: Sheet: BAC158C...
  • Page 26 All manuals and user guides at all-guides.com AB7- 2.1 MODULE PCB PARTS LIST Revision .1 REF. NO PART NO DESCRIPTION Q.TY CONNECTION WIRE AND CONNECTORS J1 ........15232730... 2mm RIGHT ANGLE PIN HEADER 10+10 CONTACT ..1 RESISTORS R1 R6 .
  • Page 27 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - First Version PART 1: ELECTRONIC PART Section E : Controls Modules First Version: Rev. = .1 1. LRx 4.5 - C Electrical diagrams - Rev. = .1 sheet from 1 to 8 2.
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  • Page 37 All manuals and user guides at all-guides.com LRx 4.5 - C.1 PCB PARTS LIST Revision .1 REF. NO PART NO DESCRIPTION Q.TY MECHANICAL PARTS ......... 10023520..LRx SPACERS for 4 LED ......1 CONNECTION WIRE AND CONNECTORS J1 J2 .
  • Page 38 All manuals and user guides at all-guides.com LRx 4.5 - C.1 PCB PARTS LIST Revision .1 REF. NO PART NO DESCRIPTION Q.TY DIODES D3 ........16635401..DIFFUSED RED LED 3mm 12.6 mcd.....1 D2 .
  • Page 39 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - Upgrading Version PART 1: ELECTRONIC PART Section E : Controls Modules Upgrading Version: Rev. = .1A 1. LRx 4.5 - C Electrical diagrams - Rev. = .1A sheet from 1 to 8 2.
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  • Page 49 All manuals and user guides at all-guides.com LRx 4.5 - C.1A PCB PARTS LIST Revision .1A REF. NO PART NO DESCRIPTION Q.TY MECHANICAL PARTS ......... . 10023520..LRx SPACERS for 4 LED ......1 CONNECTION WIRE AND CONNECTORS J1 J2 .
  • Page 50 All manuals and user guides at all-guides.com LRx 4.5 - C.1A PCB PARTS LIST Revision .1A REF. NO PART NO DESCRIPTION Q.TY DIODES D3 ........16635401..DIFFUSED RED LED 3mm 12.6 mcd.....1 D2 .
  • Page 51 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual PART 1: ELECTRONIC PART Section F : Modules Block Diagrams 1. ABLD Block diagrams - Rev. = .1 / .1A / .1B sheet from 1 to 1 2. CPU Block diagrams - Rev. = .1 / .1A sheet from 1 to 1 3.

  • Page 52: Block Diagram

    LIMIT MUTE LIMIT "A" class VOLTAGE Differential AMPLIFIER Amplifier G-OUT -RAMP +RAMP SENS-H OVERLOAD CASCODE_L R-SENS SENS-L G-IN audison Sheet desription: Product: Type: Rev/Rk: ABLD .1/.1A/.1B BLOCK DIAGRAM code: Date: Sheet: 36780740 / 41 / 42 28/oct/06 1 OF 1...

  • Page 53: Power Limit

    LED_OVL DC SENSE 8 [J2] VEL1 +15V 9 [J2] VEL2 IN_DC RAMP [J1] [J2] [J2] [J2] [J1] -RAMP +RAMP AGND PWRGND audison Sheet desription: Product: Type: Rev/Rk: .1/.1A BLOCK DIAGRAM code: Date: Sheet: 36780750 / 51 12/sep/06 1 OF 1...
  • Page 54 2 [J1] THERMAL FEEDBACK REMOTE 10 [J2] LIMIT_TH 11 [J1] 12 [J1] 3 [J2] 3 [J1] 5 [J1] REMOTE_OUT TEMP1 TEMP2 audison Sheet desription: Product: Type: Rev/Rk: .2/.2A BLOCK DIAGRAM code: Date: Sheet: 36780761 / 62 28/oct/06 1 OF 1...
  • Page 55 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - First Version PART 1: ELECTRONIC PART Section G: LRx Series components pin-out First Version: Rev. A 1. Leaded components page from 1 to 3 2. SMT components page from 4 to 7 Table of the last upgrading revisions UPGRADING REVISIONS...
  • Page 56 All manuals and user guides at all-guides.com LRx SERIES COMPONENTS PIN-OUT: Leaded components Rev. A Case TO220 NPN bipolar transistor PIN OUT Ref. Type Product name Marking code Audio driver 2SD2400A Darlington BDW93C BDW93 PNP bipolar transistor PIN OUT Ref. Type Product name Marking code...
  • Page 57 All manuals and user guides at all-guides.com LRx SERIES COMPONENTS PIN-OUT: Leaded components Rev. A Case TO3P NPN bipolar transistor PIN OUT Ref. Type Product name Marking code Audio power FJA4310-O J4310-O PNP bipolar transistor PIN OUT Ref. Type Product name Marking code B: Base Audio power...
  • Page 58 All manuals and user guides at all-guides.com LRx SERIES COMPONENTS PIN-OUT: Leaded components Rev. A Case ATV- TV2 NPN bipolar transistor PIN OUT Type Product name Marking code Ref. Audio driver 2SD1857A-Q D1857A PNP bipolar transistor PIN OUT Ref. Type Product name Marking code B: Base...
  • Page 59 All manuals and user guides at all-guides.com LRx SERIES COMPONENTS PIN-OUT: SMT components Rev. A Case SOD-80 / MiniMELF Diodes PIN OUT Ref. Type Product name Marking code General purpose LL4148 150mA 75V General Purpose BAV102 200mA 150V RLS245 FDLL 459/A A: Anode Zener BZV55C6V8...
  • Page 60 All manuals and user guides at all-guides.com LRx SERIES COMPONENTS PIN-OUT: SMT components Rev. A Case SOT323 Switching dual diodes PIN OUT Ref. Application Product name Marking code Signal BAV70W A: Anode K: Cathode Case SMT6 NPN bipolar dual transistor (5) (6) (5) (6) Ref.
  • Page 61 All manuals and user guides at all-guides.com LRx SERIES COMPONENTS PIN-OUT: SMT components Rev. A Case SO14 Pin configuration Ref. Type Product name Marking code OUT1 OUT4 Quad op amps LM324 -IN1 -IN4 +IN1 +IN4 +IN2 +IN3 -IN2 -IN3 OUT2 OUT3 Case SO16 TL494ID Pin configuration...
  • Page 62 All manuals and user guides at all-guides.com LRx SERIES COMPONENTS PIN-OUT: SMT components Rev. A Case D PACK NPN transistor PIN OUT Ref. Type Product name Marking code Epitaxial planar KTC2983D C2983 transistor PNP transistor PIN OUT Ref. Type Product name Marking code B: Base A1225...

  • Page 63: Mechanical Part

    All manuals and user guides at all-guides.com PART 2 MECHANICAL PART...

  • Page 64: Section A : Exploded Views And Parts List

    All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - First Version PART 2: MECHANICAL PART Section A : Exploded views and parts list First Version - Rev. A 1. Mechanical exploded view sheet from 1 to 1 2.
  • Page 65 All manuals and user guides at all-guides.com 1. Mechanical Exploded View...
  • Page 66 All manuals and user guides at all-guides.com 2. Package Exploded View...
  • Page 67 LRx 4.5 / LRx 4.1k OWNER’S MANUAL 10125260 LRx FIXING TEMPLATE 10125270 LRx 4.5 CONFIGURATION TEMPLATE 90200020 AW STICKER S - AUDISON Transfer Sticker 19x7 10045000 10x16 AUDISON BAG 10081221 LRx PLAST SNAP-IN CABLE FIX ACCESSORY KIT 12150520 3.9x25 SCREW (AFcp TC C ZN)
  • Page 68 All manuals and user guides at all-guides.com LRx 4.5 EXPENDABLE MATERIALS Rev. A PART NO DESCRIPTION Q.TY 07000400 THERMO COND. GREASE 50g. 07000600 1-2577 SILICONE RESIN Part 2A page 2 of 2...
  • Page 69 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - Upgrading Version PART 2: MECHANICAL PART Section A : Exploded views and parts list Upgrading Version - Rev. B 1. Mechanical exploded view sheet from 1 to 1 2.
  • Page 70 All manuals and user guides at all-guides.com 1. Mechanical Exploded View...
  • Page 71 All manuals and user guides at all-guides.com 2. Package Exploded View...
  • Page 72 LRx 4.5 / LRx 4.1k OWNER’S MANUAL 10125260 LRx FIXING TEMPLATE 10125270 LRx 4.5 CONFIGURATION TEMPLATE 90200020 AW STICKER S - AUDISON Transfer Sticker 19x7 10045000 10x16 AUDISON BAG 10081221 LRx PLAST SNAP-IN CABLE FIX ACCESSORY KIT 12150520 3.9x25 SCREW (AFcp TC C ZN)
  • Page 73 All manuals and user guides at all-guides.com LRx 4.5 EXPENDABLE MATERIALS Rev. B PART NO DESCRIPTION Q.TY 07000400 THERMO COND. GREASE 50g. 07000600 1-2577 SILICONE RESIN Part 2A page 2 of 2...

  • Page 74: Technical Notes

    All manuals and user guides at all-guides.com PART 3 TECHNICAL NOTES...
  • Page 75 All manuals and user guides at all-guides.com LRx 4.5 - Service Manual - First Version PART 3: TECHNICAL NOTES First Version: Rev. A 1. Springs Replacing 2. 40x40x20 mm Fan Replacing 3. Idling Current Adjustment Table of the last upgrading revisions UPGRADING REVISIONS PART 1 PART 2...
  • Page 76 All manuals and user guides at all-guides.com TECHNICAL NOTES Rev. A 1. Springs Replacing REMOVING 1- Insert the blade of the screwdriver in the center of the spring as shown in figure n°1. 2- Using the aluminium heatsink of the amplifier as leverage, slowly extract the spring as shown in figure n°2, being careful to not use too much force.
  • Page 77 All manuals and user guides at all-guides.com TECHNICAL NOTES Rev. A 2. 40x40x20 mm Fan Replacing In the case you need to replace the fan, please proceed as per the following steps. A. Fan rigid fixing with rivets (first batch of pro- ducts) 1- Remove the bottom of the product.
  • Page 78 All manuals and user guides at all-guides.com TECHNICAL NOTES Rev. A 3. Idling Current Adjustment 1. Before adjusting the idling current, turn the amplifier on and let it play for several minutes. When the heat sink DIGITAL DIGITAL temperature reaches a range between 30 and 45°C (86 ÷ 113°F) that is the optimal condition to perform the adjustment. MULTIMETER MULTIMETER 2.