Concord F400 Vintage Portable Cassette Tape Recorder Repair

super sonic stereo tape recorder repair form 1969. part 1 will revisit these sometime in the future

[@uxwbill]

I'm seriously impressed by how well it performed even with that ratty pinch roller!

[@LakeNipissing]

Incredible build quality!!! I love metal chassis stuff like this... the pinnacle of electronics. Only the (replaceable) soft rubber parts failed.

[@MsCori76]

The headache & fun of repairing cassette players! Ooh my specialty at its finest. 😂❤️

[@mjg263]

I had one of those F400 tape decks years ago. The rewind and fast forward keys do not latch by design, the ARC is for the automatic record (level) control and yes the lower meter doubles as a battery condition meter in the playback mode. It was a kind of okay unit, never sounded all that good and I hated the lack of locking ff/rew keys and no auto stop at the end of play. BTW - check that you put the mechanical “finger” for the record slide switch back together properly, if the finger isn’t sitting in the notch for the slider switch on the circuit board the record key will hang up.

[@pafoofnic]

Haven't worked on one of those in over 40 years. You've got your own troubleshooting techniques that I wish I knew way back. Thanks for the excellent video.

[@Mr.-Wint]

ARC = Aut Record Control

[@force311999]

gary at the voice of music can find new pinch rollers those are nice and well worth restoring

[@tomfranco4866]

Nothing gets me thro a Monday better than a shango video 😝

[@SarahRWilson]

The change in sound at the grounding of the emitters is due to the disabling of the feedback EQ circuit. The 2 transistor RIAA preamp used in dozens of seventies receivers is similar to this. The two parallel R/C networks make up the feedback circuit. They provide more feedback at higher frequencies to give the overall boost bass, cut treble curve for the preamp. When you grounded the emitters, you removed the feedback influence, flattening the response of the amp. Also without feedback, the distortion in the amp was raised and was audible.

[@12345678989814]

Thank God you have a new video out I've watched so much damn KZbin over the last couple of days it's nice to have a new video from you

[@theshowman8478]

Like the minimal design of that recorder, looks neat.

[@Musicradio77Network]

That’s a very nice cassette recorder by Concord. I only have a reel-to-reel tape recorder which is a 220T and it’s a hybrid tube and solid state amp in one where it says “Transistorized”, and mine is from about 1964 or 1965, and it works great, and it’s a 2-track mono tape recorder, but there’s no stereo on there. If I put a 4-track stereo reel tape in my Concord 220, it plays backwards mixing with forward.

[@josephsirois2353]

Loved the capacitor trick , thanks mr Shango 066

[@SoddingaboutSi]

Noisy record playback switches are a classic of cassette machines of this age/era.

[@radiorobertakaandy5982]

I love your vids,nice and frank,with some whit and repair mixed in.superb.

[@tebbi67]

You are a smart guy...and its always a relief to watch your videos.Thank you!

[@aerotro]

I used to repair old Hi-Fi stuff in the 90's I have a box full of new old stock pinch rollers if you get stuck maybe i could mail you some these are an interesting red rubber type.

[@jmcbride4010]

Panasonic, matsushita made these, that's why they are like a tank

[@TheDevice9]

I owned one of these in the 60s. It was a really nice cassette deck at the time. Good as car stereo or plug into your home system when you got home. It made really great recordings by standards of the time.