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<title>Beogram 400X Relay Replacements</title>
<link>https://leicht.io/articles/beogram-400x-relay-replacements</link>
<guid isPermaLink='true'>https://leicht.io/articles/beogram-400x-relay-replacements</guid>
<pubDate>Thu, 20 Jun 2019 12:27:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[After I changed all the capacitors on the main board of the Beogram 4002 (5521), I am restoring it right now, the 45 RPM circuit stopped working while listening to a record with The Boss. I sought help with the schematics and replaced the two main ones.]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Replacing the backlight on a BeoLink 7000</title>
<link>https://leicht.io/articles/replacing-the-backlight-on-a-beolink-7000</link>
<guid isPermaLink='true'>https://leicht.io/articles/replacing-the-backlight-on-a-beolink-7000</guid>
<pubDate>Fri, 08 Jul 2022 14:49:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[A common issue on the BeoLink 7000 is weak or absent backlight as seen in the picture below.The backlight in the BeoLink display comes from a white Electroluminescent Backlight Foil (EL Foil) that is placed behind a blue-transparent LCD. It has a typical...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Servo motor replacement for the Beogram 4000 series</title>
<link>https://leicht.io/articles/servo-motor-replacement-for-the-beogram-4000-series</link>
<guid isPermaLink='true'>https://leicht.io/articles/servo-motor-replacement-for-the-beogram-4000-series</guid>
<pubDate>Tue, 16 Nov 2021 13:31:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[The servo motor in the Beogram 4000 series isn't as prone to wear as the DC platter motor but occasionally I come across some noisy and unstable ones. They are hard to restore since it's impossible to take the Oilite bearings out. They are fused...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>3D Printed Bumper Feet for BG400X/6000</title>
<link>https://leicht.io/articles/3d-printed-bumper-feet-for-bg400x-6000</link>
<guid isPermaLink='true'>https://leicht.io/articles/3d-printed-bumper-feet-for-bg400x-6000</guid>
<pubDate>Thu, 25 Apr 2019 12:22:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[So, it’s been a while since my last post. We’ve moved to another city in Denmark. I’ve been using some time to set up a proper work environment in my new office with room for my PC, 3D printer and BeoRep utilities (oscilloscope, better lighting for my...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Restoring a pair of Beovox MC120.2</title>
<link>https://leicht.io/articles/restoring-a-pair-of-beovox-mc1202</link>
<guid isPermaLink='true'>https://leicht.io/articles/restoring-a-pair-of-beovox-mc1202</guid>
<pubDate>Tue, 29 Oct 2019 16:06:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[Last year, I finally found a pair of Beovox MC120.2, which would replace my Beovox S55. Luckily, the MC120.2 was in rosewood, which matched my Beogram 4002 perfectly! Of course, the MC120.2 needed a restoration involving refoaming the woofers and...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Restoring the Beogram 7000 - Changing the electronic components</title>
<link>https://leicht.io/articles/restoring-the-beogram-7000-changing-the-electronic-components</link>
<guid isPermaLink='true'>https://leicht.io/articles/restoring-the-beogram-7000-changing-the-electronic-components</guid>
<pubDate>Tue, 15 Jun 2021 12:34:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[Produced from 1992 to 1996 the Beogram 7000 was the last in the line of high-end turntables from Bang & Olufsen before the CD took over. It is automatic and remote controllable via the Beolink 7000 or Beolink 5000 and considered the Holy Grail of...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Restoring the keypad and chassis on a Beogram 4002</title>
<link>https://leicht.io/articles/restoring-the-keypad-and-chassis-on-a-beogram-4002</link>
<guid isPermaLink='true'>https://leicht.io/articles/restoring-the-keypad-and-chassis-on-a-beogram-4002</guid>
<pubDate>Mon, 30 Dec 2019 16:07:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[After replacing the light bulbs on the Beogram 4002 I wrote about in my previous post it was time to restore the keypad and chassis. As almost always, the varnish and black paint are worn by decades of use since the acids in the skin dissolve it. As...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Replacing the incandescent light bulbs</title>
<link>https://leicht.io/articles/replacing-the-incandescent-light-bulbs</link>
<guid isPermaLink='true'>https://leicht.io/articles/replacing-the-incandescent-light-bulbs</guid>
<pubDate>Thu, 12 Sep 2019 14:53:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[This article shows the results of experimenting with a plug-and-play replacement for the old incandescent light bulbs originally placed in the RPM adjustment part of the keypad on the Beogram 4000 series.]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Restoring the charger for the BeoLink 7000</title>
<link>https://leicht.io/articles/restoring-the-charger-for-the-beolink-7000</link>
<guid isPermaLink='true'>https://leicht.io/articles/restoring-the-charger-for-the-beolink-7000</guid>
<pubDate>Mon, 24 Oct 2022 12:11:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[This short article aims at showing you how to service a Bang & Olufsen BeoLink 7000 table charger. There are only a few passive components which need to be replaced. To open it you will have to remove the 3 screws accessible from the bottom.The red...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>BeoTac, a tachometer for the Beogram 4000 series</title>
<link>https://leicht.io/articles/beotac-a-tachometer-for-the-beogram-4000-series</link>
<guid isPermaLink='true'>https://leicht.io/articles/beotac-a-tachometer-for-the-beogram-4000-series</guid>
<pubDate>Thu, 02 Apr 2020 06:58:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[This article aims at describing the process of developing and implementing an Arduino-based tachometer. This should make it possible to measure the performance and stability of the motor in a Beogram 4000 series turntable.]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Restoring a pair of RedLine 45 with ABR</title>
<link>https://leicht.io/articles/restoring-a-pair-of-redline-45-with-abr</link>
<guid isPermaLink='true'>https://leicht.io/articles/restoring-a-pair-of-redline-45-with-abr</guid>
<pubDate>Wed, 05 Oct 2022 07:09:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[If the bass in your RedLine ABR speakers is off it's most likely that the ABR suspension is completely degraded. This article covers a full restoration of a pair of S45. First of all, lay the speaker down on a flat surface and start by removing the 6...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>A new and improved dust lid for the Beogram 4000 series</title>
<link>https://leicht.io/articles/a-new-and-improved-dust-lid-for-the-beogram-4000-series</link>
<guid isPermaLink='true'>https://leicht.io/articles/a-new-and-improved-dust-lid-for-the-beogram-4000-series</guid>
<pubDate>Tue, 31 Mar 2020 15:09:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[
The Beogram 4000 series often faces issues with its acrylic dust lids, especially around the hinges, due to wear over 50 years. I'm considering crafting replacements from polycarbonate, which is stronger, lighter, and more scratch-resistant, with better UV protection. I've created an accurate 3D mo]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Replacing the CMOS battery on the BeoLink 7000</title>
<link>https://leicht.io/articles/replacing-the-cmos-battery-on-the-beolink-7000</link>
<guid isPermaLink='true'>https://leicht.io/articles/replacing-the-cmos-battery-on-the-beolink-7000</guid>
<pubDate>Wed, 15 Mar 2023 13:13:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[An essential part of the restoration process of the BeoLink 7000 is to replace the CMOS battery. The CMOS battery ensures that the processor preserves its configuration, should the main battery run out of power.]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Restoring the Beogram 7000 - Adjusting the turntable</title>
<link>https://leicht.io/articles/restoring-the-beogram-7000-adjusting-the-turntable</link>
<guid isPermaLink='true'>https://leicht.io/articles/restoring-the-beogram-7000-adjusting-the-turntable</guid>
<pubDate>Tue, 15 Jun 2021 12:34:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[My previous post covered how to change the necessary electronic components in the Beogram 7000. Naturally, the next step is to adjust the turntable and relubricate it which this article will cover.Adjustments and other common issuesI always adjust the...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Replacing the broken pickup mount on the Beogram 4000</title>
<link>https://leicht.io/articles/replacing-the-broken-pickup-mount-on-the-beogram-4000</link>
<guid isPermaLink='true'>https://leicht.io/articles/replacing-the-broken-pickup-mount-on-the-beogram-4000</guid>
<pubDate>Thu, 26 Jan 2023 13:12:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[Unfortunately, the plastic tab in the pickup mount on the Beogram 4000 series can break due to wear, stress and age as seen below. To address this problem I’ve developed a replacement with flexible PCB and plastic mount. To ensure that the parts are as...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Troubleshooting a Beolink 7000 with faulty backlight</title>
<link>https://leicht.io/articles/troubleshooting-a-beolink-7000-with-faulty-backlight</link>
<guid isPermaLink='true'>https://leicht.io/articles/troubleshooting-a-beolink-7000-with-faulty-backlight</guid>
<pubDate>Wed, 27 Sep 2023 12:15:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[I encountered another Beolink 7000 with the typical backlight failure, necessitating the replacement of the electroluminescent (EL) foil. However, this replacement did not resolve the issue. Subsequent measurement of the AC voltage supplied to the...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Cleaning and lubricating the BeoLink 7000</title>
<link>https://leicht.io/articles/cleaning-and-lubricating-the-beolink-7000</link>
<guid isPermaLink='true'>https://leicht.io/articles/cleaning-and-lubricating-the-beolink-7000</guid>
<pubDate>Mon, 23 Oct 2023 12:16:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[Even though the manual states that the need for lubrication is negligible, it is always best practice to clean and lubricate the mechanical components to reduce wear and tear. Lubrication allows the parts to remain in an optimal operational state for an extended period. 

Since I encountered issues]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Adjusting the speed on a Beogram 6500</title>
<link>https://leicht.io/articles/adjusting-the-speed-on-a-beogram-6500</link>
<guid isPermaLink='true'>https://leicht.io/articles/adjusting-the-speed-on-a-beogram-6500</guid>
<pubDate>Fri, 30 Dec 2022 13:12:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[After replacing the capacitors, changing the belts and lubricating the mechanical parts it is crucial to measure and verify that the performance is as expected. I usually do this over a prolonged period using the BeoTac. Initial measurements revealed that...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Updates to BeoTac</title>
<link>https://leicht.io/articles/updates-to-beotac</link>
<guid isPermaLink='true'>https://leicht.io/articles/updates-to-beotac</guid>
<pubDate>Fri, 25 Mar 2022 13:29:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[One of the important matters when 3D printing is to minimize the print time, so I've optimized the layout of the BeoTac which reduces the print time by ~45 minutes. The result is a good looking BeoTac with softer edges.You can see the previous design...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Restoring the SN17</title>
<link>https://leicht.io/articles/restoring-the-sn17</link>
<guid isPermaLink='true'>https://leicht.io/articles/restoring-the-sn17</guid>
<pubDate>Wed, 05 Oct 2022 12:10:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[Last week, my beloved SN17 decided to stop working without any notice, so it was time to open it up and check what happened. A simple inspection revealed that the main fuse (S1) was blown. The most common cause for a blown fuse is when something...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Testing the BeoLink 7000</title>
<link>https://leicht.io/articles/testing-the-beolink-7000</link>
<guid isPermaLink='true'>https://leicht.io/articles/testing-the-beolink-7000</guid>
<pubDate>Sun, 19 Mar 2023 13:14:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[After replacing the backlight and restoring the BeoLink 7000 it is important to verify that the remote works as expected. Funny enough B&O has made this possible in a rather funny but easy way. By adding a 10Hz signal with a maximum amplitude of 5V...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Replacement Sledge Motor for the BeoGram 4000</title>
<link>https://leicht.io/articles/replacement-sledge-motor-for-the-beogram-4000</link>
<guid isPermaLink='true'>https://leicht.io/articles/replacement-sledge-motor-for-the-beogram-4000</guid>
<pubDate>Tue, 26 Dec 2023 13:17:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[With some help back in 2021, I found two possible replacement sledge motors for the BeoGram 4002 — one from Maxon and one from Portescap, where the latter is the cheapest option (50 USD versus 75 USD).I bought the motor from Portescap and did some...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Replacing the light bulb tracking sensor on the BG4002</title>
<link>https://leicht.io/articles/replacing-the-light-bulb-tracking-sensor-on-the-bg4002</link>
<guid isPermaLink='true'>https://leicht.io/articles/replacing-the-light-bulb-tracking-sensor-on-the-bg4002</guid>
<pubDate>Fri, 26 Jul 2019 12:30:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[As usual, when repairing the Beogram 4002, I replace the light bulb associated with the tracking sensor. The old light bulb is old and prone to failure. Furthermore, it's glued to the housing and, therefore, hard to replace. To make sure that...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Securing the glass front of the BeoLink 7000</title>
<link>https://leicht.io/articles/securing-glass-front-beolink-7000</link>
<guid isPermaLink='true'>https://leicht.io/articles/securing-glass-front-beolink-7000</guid>
<pubDate>Fri, 26 Jul 2024 17:23:29 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[There are instances where the adhesive securing the plastic frame to the glass front begins to fail. If the adhesive has not completely detached, it can be repaired using super glue and a syringe.]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>BG4002 PCB adapter for reservoir capacitors</title>
<link>https://leicht.io/articles/bg4002-pcb-adapter-for-reservoir-capacitors</link>
<guid isPermaLink='true'>https://leicht.io/articles/bg4002-pcb-adapter-for-reservoir-capacitors</guid>
<pubDate>Mon, 04 Dec 2023 13:16:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[I am currently restoring a BeoGram 4002 type 5513, and even though the reservoir capacitors usually are within specifications, I replace them to avoid impending issues. The setup in the 5513 is relatively unique since it consists of a dual capacitor with...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Tonearm Lift for Beogram 1000</title>
<link>https://leicht.io/articles/tonearm-lift-for-beogram-1000</link>
<guid isPermaLink='true'>https://leicht.io/articles/tonearm-lift-for-beogram-1000</guid>
<pubDate>Sun, 21 Jul 2019 12:29:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[Last month, I had an old Beogram 1000 in teak for restoration. As usual, the handle/lift (what's the correct term?) for the tonearm was missing. It's only glued to the tonearm and the glue happens to lose its strength over the years.]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>3D Printed B&amp;O SP12/14 Pickup Hood</title>
<link>https://leicht.io/articles/3d-printed-bo-sp12-14-pickup-hood</link>
<guid isPermaLink='true'>https://leicht.io/articles/3d-printed-bo-sp12-14-pickup-hood</guid>
<pubDate>Wed, 15 May 2019 12:26:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[I was tired of the always missing protection cap for the Bang & Olufsen SP12/14 pickups and the constant concern that the cantilever or diamond would be damaged when just laying around.I recently bought a Creality Ender 3 3D Printer and equipped...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Replacing the piezoelectric element on a BL7000</title>
<link>https://leicht.io/articles/replacing-piezoelectric-element-bl7000</link>
<guid isPermaLink='true'>https://leicht.io/articles/replacing-piezoelectric-element-bl7000</guid>
<pubDate>Fri, 26 Jul 2024 11:12:06 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[An excellent feature of the BeoLink 7000 is that tapping the top plate (#9001) awakens the device. However, this feature can sometimes fail due to the natural degradation of the piezoelectric element responsible for detecting the tap.]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>New mounting brackets for the BeoGram 3000</title>
<link>https://leicht.io/articles/new-mounting-brackets-for-the-beogram-3000</link>
<guid isPermaLink='true'>https://leicht.io/articles/new-mounting-brackets-for-the-beogram-3000</guid>
<pubDate>Tue, 06 Aug 2024 16:42:39 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[After encountering broken plastic mounting brackets on my BeoGram 3000, I created a 3D model and printed replacements in grey PLA. To ensure long-term durability, I had them made from polypropylene.]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Restoring the BeoLink 7000 floor charger</title>
<link>https://leicht.io/articles/restoring-the-beolink-7000-floor-charger</link>
<guid isPermaLink='true'>https://leicht.io/articles/restoring-the-beolink-7000-floor-charger</guid>
<pubDate>Fri, 25 Nov 2022 13:11:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[As with all other electronics containing passive components, the floor charger for the BeoLink 7000 must be restored as well. Luckily this is a somewhat easy task since there are only three capacitors to change. This article aims to show how and which...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>3D Printed Sledge Pulley for Beogram 400X/6000</title>
<link>https://leicht.io/articles/3d-printed-sledge-pulley-for-beogram-400x-6000</link>
<guid isPermaLink='true'>https://leicht.io/articles/3d-printed-sledge-pulley-for-beogram-400x-6000</guid>
<pubDate>Sun, 21 Jul 2019 12:28:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[As usual, the sledge pulley has small cracks or even falls apart when disassembling the turntable. That was also the case for the Beogram 4002 I'm restoring right now. And as a precaution, I decided to change it. Equipped with Tinkercad and my beloved...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
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<title>Reviving Your BeoWatch with TPU</title>
<link>https://leicht.io/articles/reviving-your-beowatch-with-tpu</link>
<guid isPermaLink='true'>https://leicht.io/articles/reviving-your-beowatch-with-tpu</guid>
<pubDate>Wed, 06 Sep 2023 12:14:00 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[Every BeoWatch owner knows the frustration of having to deal with the fragility of the original plastic parts in the strap. These parts are prone to tear and can spoil the otherwise luxurious experience of owning a BeoWatch. I have designed and created a...]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
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<title>A New RIAA Preamp for My BeoGram 4002</title>
<link>https://leicht.io/articles/beogram-4002-riaa</link>
<guid isPermaLink='true'>https://leicht.io/articles/beogram-4002-riaa</guid>
<pubDate>Mon, 16 Feb 2026 16:58:02 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[Second SMD prototype of my custom RIAA preamp for the BeoGram 4002 is now built and tested. A dual-stage OPA2134 design focused on low noise, accurate RIAA equalization, and clean integration, with measurements and further refinements coming next.]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
</item>
<item xmlns:dc='ns:1'>
<title>Bringing back the shine: Replacing the top-plate on the BeoLink 7000</title>
<link>https://leicht.io/articles/restoring-beolink-7000-new-steel-top-plate-replacement</link>
<guid isPermaLink='true'>https://leicht.io/articles/restoring-beolink-7000-new-steel-top-plate-replacement</guid>
<pubDate>Sat, 25 Oct 2025 15:11:01 +0000</pubDate>
<dc:creator>Christian Leicht</dc:creator>
<author>christian@leicht.io (Christian Leicht)</author>
<description><![CDATA[After restoring quite a few Beolink 7000 units over the years, I’ve noticed a recurring issue. The top plate (#9001) is almost always scratched or dented. It’s the first thing you see and touch, and unfortunately, it's the first part to show its age. ]]></description>
<category>3D Print</category>
<category>Custom PCB</category>
<category>Engineering</category>
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