Choosing the Right Lubricant for Audio Equipment Repairs

Lubrication of Cassette Deck Mechanisms Cassette decks, personal cassette players, and boomboxes use delicate and complex mechanisms with many moving parts such as levers, gears, capstans, idlers, and motors. For trouble-free and accurate operation with minimal wow and flutter, all of these components must move smoothly. To reduce wear and ensure long-term reliability, proper lubrication […]
Choosing the Right Screwdriver for Audio Equipment Repairs

Screwdrivers are inexpensive tools, yet they are absolutely essential for any type of repair work. In this article, we will guide you in selecting the right screwdriver and share some practical tips for using them correctly. Using an incorrect screwdriver almost always leads to damage of the screw head. This is not only unsightly, but […]
Sony WM-DDII, WM-DDIII, WM-DD30, WM-DD33 frequency response improvement, or “When megabass becomes useless”

Without doubts, Sony DD series walkmans are the most popular of all personal cassette players. This popularity is not only build quality but also because of sound quality that these walkmans have.. or should have? As most of you know, Sony WM-DC2 or WM-D3 are the best sounding walkmans ever made (if we forgot about […]
How to improve belt quality

Belt is critical component of every cassette player. That’s why choosing correct belt for your cassette device is very important. Belts can be used on various places of your cassette decks, for example main belt, inter-capstan belt, mode belt, counter belt… Some are square, some are flat. The most discussed belts are those that affect […]
WM-D6C DC-DC converter fixed

For many of us it is very famous problem. Reversed DC polarity and … There were many discussions on this topic. Here I would like to discuss two possible solutions, with simple TO-DO for everyone 1st. possibilty Replace whole converter by modern type, sold here and there on eBay. You can find various 5V to 12V […]
Wow and Flutter – my know-how

Hi. I would like to post my experiences regarding typical problems with tape speed variations. I have fixed about 200 walkmans from Sony, Panasonic and Aiwa. However, I collect and repair only full-metal body autoreverse models made cca. after 1989. But most of my observations are valid for any model. Many people think that these […]
Sony DD series step-by-step repair guide for dummies

Sony DD series (direct drive) walkmans are very popular among portable cassette players because of their high quality construction, excellent fully analog sound quality – and great timeless design. Although they’re well built, they will not work within specs without proper service. Because they’re 30+ years old, most of them will have some common issues […]
Panasonic RQ-S series walkmans – complete step-by-step repair guide

Dear all walkman fans, from time to time I read here in various posts, how difficult it is to fix those small ultra narrow walkmans and bring them back to the specs. I must say it is not true. Most of them were designed to be serviced easily. Yes, they’re small, sometimes just little bigger […]