Arcam P7 Manuel de service

P7FMJ P77-Channel Amplifi erService Manual ARCAMARCAMIssue 1.0

L924 Amplifier Module Parts List Issue 1.1Designator Part DescriptionBR300 3BGBU8D Diode Bridge Rectifier GBU8D Plastic Package 8A 200VBR301 3BGBU8D

L924 Amplifier Module Parts List Issue 1.1Designator Part DescriptionR211 1A327 Resistor 1206 Surface Mount 0.25W 1% 27KR212 1A327 Resistor 1206 Surf

L924 Amplifier Module Parts List Issue 1.1Designator Part DescriptionR339 1A133 Resistor 1206 Surface Mount 0.25W 1% 330RR340 1A310 Resistor 1206 Sur

ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No. DESCRIPTION OF CHANGEL924C1_1.1.schP7 Amplifier ModuleContact Engineer:L924CT7-Mar-2002 INITIALSPrin

ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No. DESCRIPTION OF CHANGEL924C2_1.1.schP7 Amplifier ModuleContact Engineer:L924CT7-Mar-2002 INITIALSPrin

ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No. DESCRIPTION OF CHANGEL924C3_1.1.schP7 Amplifier ModuleContact Engineer:L924CT7-Mar-2002 INITIALSPrin

Controller Board L925 Contents ! Circuit description ! Component overlay ! Parts list ! Circuit diagrams

P7 Controller Circuit Description The Amp controller PCB Panel consists of 6 PCBs. ! Controller PCB ! Display PCB ! Connector PCB ! Mains Switch

that the PWM_OUT signal duty cycle can move the output of the amplifier over the required range. C104, C113 provide suppression for EMC and C112 provi

it can be indicated on the front panel display) each module also provides an address line. A fault occurring on a particular module will cause both th

Contents List Section Issue Technical specifications ! Technical specification - ! Rear panel silk screen - Amplifier boa

L925 Controller Board Parts List Issue 1.2Designator Part DescriptionC100 2N547 Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 4U7 50VC101 2N833A Cap

L925 Controller Board Parts List Issue 1.2Designator Part DescriptionF105-2 F022 FUSEHOLDER COVER TO SUIT 8S004F106 C12406 FUSE BUSSMANN S504 T4A 20MM

L925 Controller Board Parts List Issue 1.2Designator Part DescriptionR135 1H247 Resistor Metal Film 0.25W 1% 4K7R136 1H247 Resistor Metal Film 0.25W 1

ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No. DESCRIPTION OF CHANGEL925CT0_1.2.SchP7 Amp ControllerContact Engineer:L925CT18-Apr-2002INITIALSPrint

ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No. DESCRIPTION OF CHANGEL925CT1_1.2.schP7 Amp ControllerContact Engineer:L925CT18-Apr-2002INITIALSPrint

ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No. DESCRIPTION OF CHANGEL925CT2_1.2.SchP7 Amp ControllerContact Engineer:L925CT18-Apr-2002INITIALSPrint

ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No. DESCRIPTION OF CHANGEL925CT3_1.2.SchP7 Amp ControllerContact Engineer:L925CT18-Apr-2002INITIALSPrint

Transformer Specifications Contents ! L911TX Power amp 115/230VAC ! L912TX Aux 115/230VAC ! L920TX Power amp 10

1 2 3 4 5 6 7 8ABCD87654321DCBAISSUEDRAWING NO.23425DRAWING TITLEDrawn by:DATEFilenameECO No. DESCRIPTION OF CHANGEJ:\Development_Projects\P7_Amp\Tran

Technical Specifications Contents ! Technical specifications ! Rear panel silk screen

1 2 3 4ABCD4321DCBAISSUEDRAWING NO.23425DRAWING TITLEDrawn by:DATEFilenameECO No. DESCRIPTION OF CHANGEJ:\Development_Projects\P7_Amp\Transformer Desi

1 2 3 4 5 6 7 8ABCD87654321DCBAISSUEDRAWING NO.23425DRAWING TITLEDrawn by:DATEFilenameECO No. DESCRIPTION OF CHANGEJ:\Development_Projects\P7_Amp\Tran

1 2 3 4ABCD4321DCBAISSUEDRAWING NO.23425DRAWING TITLEDrawn by:DATEFilenameECO No. DESCRIPTION OF CHANGEJ:\Development_Projects\P7_Amp\Transformer Desi

Mechanical Assembly Contents ! General assembly parts list ! Assembly diagrams Front panel TX tray Rear panel C

P7 General Assembly Parts List – issue 4 ITEM 240V 115V 100V SILVER BLACK DESCRIPTION WHERE USED QTY E065AY E065AYB FASCIA ASSEMBLY F

P7 General Assembly Parts List – issue 4 ITEM 240V 115V 100V SILVER BLACK DESCRIPTION WHERE USED QTY ZINC-PLATE CLEAR HA4D06A SCREW M

Technical Specifications All measurements are with 230V/50Hz mains power Continuous output power All channels driven, 20Hz – 20Khz, 8 ohm 150W

ARCAM All parts can be ordered via [email protected] Pembroke Ave, Waterbeach, Cambridge, CB5 9PB, ENGLAND TEL: +4

~50 – 60 Hz3700 VAMAXSERIAL No. LABELCAUTION – SHOCK HAZARD, DO NOT OPEN.ACHTUNG – VOR OEFFNEN DES GERAETES NETZSTECKER ZIEHEN.ATTENTION – RISQUE DE C

Amplifier Board L924 Contents ! Circuit description ! Component overlay ! Parts list ! Circuit diagrams

P7 Amplifier Module Circuit Description Refer to L924 circuit diagrams Introduction L924 is the power amplifier module for the P7 multichannel ampl

Transistors TR200, TR201 and TR202 form a PNP Wilson current mirror. Likewise TR205, TR207 and TR206 form an NPN Wilson current mirror. The outputs of