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Bang & Olufsen BEOGRAM 1202 User Manual

Bang & Olufsen BEOGRAM 1202
32 pages
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BEOGRAM
1202
and
3000
TYPE
5287
and
5228
SERVICE
MANUAL
SERVICEANLEITUNG
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Bang & Olufsen BEOGRAM 1202 Specifications

General IconGeneral
Drive systemBelt drive
Weight6.5 kg
Stylus pressure1.5 - 2.5 g
Record weightup to 180 g
MotorAC synchronous motor
Power consumption10 W
TypeBelt drive turntable
Speeds33, 45 rpm
CartridgeMoving magnet
Record size12 inch
Power supply220-240 V AC, 50 Hz
PlatterAluminum platter

Summary

DISASSEMBLY/ZERLEGUNG

Demontering af pladetallerken

Removal of turntable/Demontierung des Plattentellers.

DIAGRAM/SCHALTBILD

Pre-amplifier Type 5306 Components

Diagram for Pre-amplifier Type 5306

Circuit diagram for the pre-amplifier unit.

PC Board for Type 5306

Printed circuit board layout for the pre-amplifier.

Parts List for Pre-amplifier 5306

List of components for the pre-amplifier.

DESCRIPTION

Electrical Circuit Function

Explanation of how the automatic control circuit operates.

Pickup

Motor

Pre-amplifier type 5306

CONSTRUCTION

Resilient Suspension

Description of the chassis mounting system for vibration resistance.

Antiskating

Explanation of the antiskating mechanism using balls.

Motor Adjustment

Information on mechanical vernier speed adjustment.

MECHANICAL FUNCTIONS

Engaging the Cam-lifting Wheel

How the cam-lifting wheel engages with the turntable gear.

Cueing Mechanism

Description of the automatic pickup arm cueing process.

Lowering the Pickup Arm

Mechanism for lowering the pickup arm onto the record.

Pickup-arm-pivot Safety Coupling

Motor, Centering

Motor Height

Adjustment procedure for motor height.

Pickup, Height

Adjustment procedure for pickup arm height.

Pickup Arm, Balance

Pickup Arm, Downstroke

Adjustment procedure for pickup arm downstroke.

Pickup, Parallelity

Procedure for ensuring pickup arm parallelism.

Dust Cover, BEOGRAM 3000

STÜCKLISTE

Parts Lists

Beogram 1202 Type 5237

List of parts for Beogram 1202.

Beogram 3000 Type 5228

List of parts for Beogram 3000.

Other Parts

Additional parts list cross-reference.

SERVICE TIPS

Mounting the Pickup Arm

Procedure for mounting the pickup arm correctly.

Revmoving the Turntable Hub

Instructions for removing the turntable hub.

CAUTION

Important safety warning regarding relay housing assembly.

Dust Cover, BEOGRAM 3000

Information on mounting the Beogram 3000 dust cover.

MODIFICATIONS

Arm positioning guide

Details on the modified arm positioning guide.

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