Page 2 - Contents List; Amplifier & PSU board L882; Channel Amplifier board L911
Contents List ! Phono board L870 o Circuit description o Component overlay o Parts list o Circuit diagrams ! Amplifier & PSU board L882 o Circuit description o Component overlay o Parts list o Circuit diagrams ! Display board L928 o Component overlay o Parts list o Circuit diagrams ! Preamplifie...
Page 3 - Contents; Circuit description
Phono Board L870 Contents ! Circuit description ! Component overlay ! Parts list ! Circuit diagrams
Page 4 - AV8 Phono Board; PSU
AV8 Phono Board Circuit Description Refer to circuit diagram L870 sheet 1 The phono board is a simple single stage RIAA amplifier and consists of two channels of high gain amplification, and the ability to switch between moving magnet (MM) and moving coil (MC) settings. PSU The unit derives its + 15...
Page 6 - L870 Phono Board Parts List Issue 2.0; Designator Part Description
L870 Phono Board Parts List Issue 2.0 Designator Part Description C1 2A410 CERD 100N 63V -20% +80% RA C100 2N622 ELST 22U 63V C101 2D210 PPRO 1N0 5% 63V RA C102 2P710AS ELEC 100U 25V SILMIC C103 2P710AS ELEC 100U 25V SILMIC C104 2K410 PEST 100N 63V 10% C105 2K410 PEST 100N 63V 10% C106 2K410 PEST 10...
Page 11 - Board
Amplifier + PSU Board L882 Contents ! Circuit description ! Component overlay ! Parts list ! Circuit diagrams
Page 12 - Amplifier & PSU Circuit Description
Amplifier & PSU Circuit Description Refer to L882 circuit diagrams This is the printed circuit board that provides the power supply and output stage amplifiers for the A32 integrated and P35 power amplifiers. Its function is to: ! Drive the loudspeakers ! Provide an (always on) auxiliary 5VDC su...
Page 16 - L882 Amplifier and PSU Board Parts List Issue 3.0; Designator Part
L882 Amplifier and PSU Board Parts List Issue 3.0 Designator Part Description BR200 3BGBU8D BRIDGE RECTIFIER 8A 200V C100 2C210 MLC 1N0 50V X7R 10% SM C200 2D168 PPRO 680P 5% 63V RA C201 2C410 MLC 100N 50V X7R 10% SM C202 2C410 MLC 100N 50V X7R 10% SM C203 2C410 MLC 100N 50V X7R 10% SM C204 2C410 ML...
Page 22 - A85 amplifier and PSU - top sheet
1 2 3 4 5 6 7 8 A B C D 8 7 6 5 4 3 2 1 D C B A ISSUE DRAWING NO. 23425 DRAWING TITLE Drawn by: DATE Filename ECO No. DESCRIPTION OF CHANGE L882C1_4.1.PRJ A & R Cambridge Ltd.Pembroke AvenueDenny Industrial CentreWaterbeachCambridge CB5 9PB A85 amplifier and PSU - top sheet Circuit Diagram L882C...
Page 26 - Component overlay
Display Board L928 Contents ! Component overlay ! Parts list ! Circuit diagrams
Page 28 - L928 Display Board Parts List Issue B.3
L928 Display Board Parts List Issue B.3 Designator Part Description C1 2C018 MLC 18P 50V X7R 10% SM C2 2C018 MLC 18P 50V X7R 10% SM C3 2C410 MLC 100N 50V X7R 10% SM C4 2C410 MLC 100N 50V X7R 10% SM C5 2C410 MLC 100N 50V X7R 10% SM C6 2C410 MLC 100N 50V X7R 10% SM C7 2C410 MLC 100N 50V X7R 10% SM C8 ...
Page 31 - A32 FMJ AMP DISPLAY PCB; A32 FMJ DISPLAY PCB
1 2 3 4 5 6 7 8 A B C D 8 7 6 5 4 3 2 1 D C B A ISSUE DRAWING NO. 23425 DRAWING TITLE Drawn by: DATE Filename ECO No. DESCRIPTION OF CHANGE J:\Released_Documents\Native_format_files\Protel_DDB\L928_B.3.Ddb - Documents\L928CT_1_B.3.PRJ A & R Cambridge Ltd.Pembroke AvenueDenny Industrial CentreWat...
Page 32 - CL
1 2 3 4 5 6 7 8 A B C D 8 7 6 5 4 3 2 1 D C B A ISSUE DRAWING NO. 23425 DRAWING TITLE Drawn by: DATE Filename ECO No. DESCRIPTION OF CHANGE J:\Released_Documents\Native_format_files\Protel_DDB\L928_B.3.Ddb - Documents\L928CT_2_B.3.SCH A & R Cambridge Ltd.Pembroke AvenueDenny Industrial CentreWat...
Page 34 - Pre-amplifier circuit description; Refer to L937 circuit diagrams
Pre-amplifier circuit description Refer to L937 circuit diagrams The A32 preamplifier is a high-performance, DC coupled design with microprocessor control of input select, two independent tape loops, electronic volume control, tone bypass and electronic tone control. It features a discrete power sup...
Page 36 - L937 Preamplifier Board Parts List Issue 1.0
L937 Preamplifier Board Parts List Issue 1.0 Designator Part Description C100 2C210 MLC 1N0 50V X7R 10% SM C101 2D147W WIMA FKP2 470P 63V CAP C102 2D147W WIMA FKP2 470P 63V CAP C103 2D147W WIMA FKP2 470P 63V CAP C104 2C410 MLC 100N 50V X7R 10% SM C105 2C410 MLC 100N 50V X7R 10% SM C106 2C410 MLC 100...
Page 41 - Integrated amplifier preamp; USE EXCLUDE NF WHEN USING RUNOUT SHEET PROGRAM
1 2 3 4 A B C D 4 3 2 1 D C B A ISSUE DRAWING NO. 23425 DRAWING TITLE Drawn by: DATE Filename ECO No. DESCRIPTION OF CHANGE J:\Change_Control\ECO_AGENDA\01_E014 Fuse changes on A32 preamp\L937_1.1.ddb - Documents\Schematic\L937C1_1.0.PRJ A & R Cambridge Ltd.Pembroke AvenueDenny Industrial Centre...
Page 43 - Integrated amplifier preamp - power supply
1 2 3 4 A B C D 4 3 2 1 D C B A ISSUE DRAWING NO. 23425 DRAWING TITLE Drawn by: DATE Filename ECO No. DESCRIPTION OF CHANGE J:\Change_Control\ECO_AGENDA\01_E014 Fuse changes on A32 preamp\L937_1.1.ddb - Documents\Schematic\L937C3_1.0.SCH A & R Cambridge Ltd.Pembroke AvenueDenny Industrial Centre...
Page 44 - Channel
3 rd Channel Board L911 Contents ! Component overlay ! Parts list ! Circuit diagrams
Page 46 - L911 3rd Channel Amplifier Board Parts List Issue 1.1
L911 3rd Channel Amplifier Board Parts List Issue 1.1 Designator Part Description BR100 3BGBU8D BRIDGE RECTIFIER 8A 200V C100 2C410 MLC 100N 50V X7R 10% SM C101 2C410 MLC 100N 50V X7R 10% SM C102 2N710 ELST 100U 25V C103 2C310 MLC 10N 50V X7R 10% SM C104 2C310 MLC 10N 50V X7R 10% SM C105 2C210 MLC 1...
Page 49 - AP85 third channel - top level
1 2 3 4 5 6 7 8 A B C D 8 7 6 5 4 3 2 1 D C B A ISSUE DRAWING NO. 23425 DRAWING TITLE Drawn by: DATE Filename ECO No. DESCRIPTION OF CHANGE J:\ECO_wip\01_1101 A85 RANGE PCB FUSES AND DC OFFSET\L911_1.1.DDB - Documents\L911C1_1.1.PRJ A & R Cambridge Ltd. Pembroke Avenue Denny Industrial CentreWat...
Page 55 - A32 General Assembly Parts List
A32 General Assembly Parts List E047rs_2 ITEM 230V 115V 100V SILVER BLACK DESCRIPTION WHERE USED QTY A L813RC HANDY REMOTE 3 DIVA/DIVA SERIES CR389 1 B L907TX TRANSF A85 100V 1 1 E045AY E045AYB FRONT PANEL ASSEMBLY 1 7 E838CP E838CPB COVER 1 39 E839AY E839AYB LARGE VOLUME KNOB 1 35 HA4V06S HA4V06B M...
Page 57 - P35 General Assembly Parts List
P35 General Assembly Parts List E078rs_2 ITEM 230V 115V 100V SILVER BLACK DESCRIPTION WHERE USED QTY 1 E058AY E058AYB FASCIA ASSEMBLY FRONT OF CHASSIS 1 2 E838CP E838CPB COVER 1 3 HA4V06S HA4V06B M4 x 6mm Screw COVER (SIDE) TO CHASSIS 4 4 8K004 2-WAY JUMPER SOCKET 0.1” M7571-05 ON L882AY (NEAR SWITC...
Page 58 - Channel General Assembly Parts List
P35/3 Channel General Assembly Parts List E079rs_2 ITEM 230V 115V 100V SILVER BLACK DESCRIPTION WHERE USED QTY 1 E058AY E058AYB FASCIA ASSEMBLY FRONT OF CHASSIS 1 2 E839CP E839CPB COVER 1 3 HA4V06S HA4V06B M4 x 6mm Screw COVER (SIDE) TO CHASSIS 4 4 8K004 2-WAY JUMPER SOCKET 0.1” M7571-05 ON L882AY (...
Page 59 - ARCAM; All parts can be ordered via
ARCAM All parts can be ordered via [email protected] Pembroke Ave, Waterbeach, Cambridge, CB5 9PB, ENGLAND TEL: +44(0) 1223 203 203 FAX: +44(0) 1223 863 384