Beomaster 8000 Restoration

Here some impressions of how to pack a Beomaster 8000 properly to survive a FedEx Ground Trip:

Beomaster 8000: Shipping Damage - Return Trip in a Double Box

And how to ship one internationally:

Beomaster 8000: Boxing Up for International Shipping

This is a selection of posts about the Beomaster 8000 that describe a recent full restoration I performed:

Beomaster 8000: Opening Up for Service

Beomaster 8000: First Assessment and Initial Damage Report

Beomaster 8000: Rebuilding and Testing of the Output Stages and First Power-Up

Beomaster 8000: Rebuilding the Output Stages, Cracked PCB, Dead 5V Regulator Capacitor, and a First Spin

Beomaster 8000: Rebuilding the Power Supply Board and an Inspection of the uProcessor PCB

Beomaster 8000: Replacing the 10mF Reservoir Caps

Beomaster 8000: Replacement of Indicator Light Bulbs with LEDs (do-it-yourself-version)

Beomaster 8000: Replacing the Incandescent Indicator Light Bulbs with SMD LEDs (professional approach)

Beomaster 8000: Recapping the Filter and Tone Control Board

Beomaster 8000: Recapping the Preamplifier and FM Tuner PCBs

Beomaster 8000: Recapping the Filter and Tone Control Board

Beomaster 8000: Display Repair (I) - Cleanup of Botched Frequency Display

Beomaster 8000: Display Repair (II) - Installation of SMD LEDs and Test

Beomaster 8000: Display Repair (III) - Putting the Displays Back Together

Beomaster 8000: Display Repair (IV) - Display Back in Business

Beomaster 8000: Replacement of Speaker Switches with New Encapsulated Ones

Beomaster 8000: 3D Printed Control Panel Door Lock

These entries describe the repair of main processor board vias:

Beomaster 8000 Suddenly Cuts Output Stages Power

Beomaster 8000 Suddenly Goes into Standby Mode

And some more posts about essential restoration tasks:

Beomaster 8000: Repair of a Broken Out Control Panel Lid Spring

Beomaster 8000: Repair of a Broken Phono Jack with a 3D Printed Insert

Beomaster 8000: 3D Printed Control Panel Linkage

Beomaster 8000: 3D Printed Control Panel Lid Damper Arm

Beomaster 8000 Keyboard Restoration/Not Working Buttons

Beomaster 8000: Installation of New Keypad Ribbon Cables (see links to preceding posts for 'emergency repairs' using the original cable)

Some posts about the repair of various issues:

Beomaster 8000 FM tuning issues often have their root cause in a dead prescaler IC. See here and here for measurements and the solution.

Beomaster 8000: Repair of Volume Rotary Encoder Sensor

Beomaster 8000: Fault Switch Gets Triggered by Disconnected PTC Thermistor

Beomaster 8000: A New Interesting Output Failure Mode

Beomaster 8000: Rattling Main Relays and a Broken 2MHz Oscillator Crystal

Beomaster 8000: Input Selector Trouble - Tuner Audio Mixed with Phono or TP1 Inputs. There is a follow-up to this post. See here.

Beomaster 8000: Left Channel Output Amplifier DC Offset Resolved (offset cannot be adjusted to 0 mV on output)

Beomaster 8000: A replacement device for the AD 10/192 Multiplex Switch on the preamplifier board

Beomaster 8000: A replacement device for the AD 10/278 Multiplex Switch on the preamplifier board