SONY WM D6C professional walkman cassette player recorder repair fix SERVO IC AGAIN? #repair E0142

In this video i have repaired this nice Sony mw d6c, that had some serious issues, like: dc/dc module, servo ic damage... After service device works perfectly fine. Tape transport doesn’t give any strange noises (now very quiet). 🥰 #thanks for support IF YOU WANT TO SUPPORT MY WORK AND SHARING KNOWLEDGE YOU CAN DO THIS BY SENDING ME A TIP VIA PAYPAL TO: [email protected] THANK YOU 🙏 There is also group on facebook for more discussions about walkmans, cassette decks and other audio: https://www.facebook.com/share/AT8yBq... If you have any questions regarding repair please contact me. Cheers Background music: Cocktail Lounge - Dyalla #challenging #diy #repair #sony #walkman #restoration #cassette #dolby #players 0:00 Intro 2:33 disassembling device and inspection 07:03 dc/dc converter remove and diagnostics with not original dc/dc 12:19 chipmunks sound revealed also done other tests 14:20 servo ic removal 15:17 dc/dc converter fix 21:00 servo ic change 28:46 moment of truth 29:53 dc/dc change and test 31:50 tape transport service 39:59 pcb general maintenance 41:50 testing torque and we have issue with rewind gears alignment 43:53 torque tests 45:33 tape speed and w&f check 46:20 Frequency response test reveals issue 47:10 Frequency response after adjustments 48:41 azimuth set, dolby levels set/check 49:46 record test 51:32 cleanup before assembling 53:00 assembling device 54:16 final testing