repair

  1. Chris2onmusic

    JVC RC-838 Repair Balance Treble/Bass Sliders

    Hello guys, I have a JVC RC 838 that has the dreaded balance slider/treble bass slider issues, I found a local technician that would do the repair, (just bypass it all together) but he’s currently busy with other clients for the next 4 months ,I decided to see if there’s any one in this group of...
  2. C

    Aiwa CS 500 E Belts

    Hi! I picked up an Aiwa CS-500 E for a bargain price at a car boot and would like to get it up and running again. Does anyone know which belts I'll need (looks like two square, one flat), where I can get them, and have any advice for the repair in general as I've never done one! I'm also...
  3. C

    RX-5100 Boombox Channel Volume/Tone Discrepancy

    I've been working on a pair of boomboxes and have run into this issue in both instances. I'll try to describe as concise as possible the issue in one to keep it simple and maybe I can replicate any possible solutions in the other. Hitachi TRK-8080MKII National (Panasonic) RX-5100 (japanese...
  4. atarijen

    Speaker upgrade and repair for Sharp GF777

    I recently purchased a Sharp 777. Works, but one speaker is deformed (still plays okay) and another has tear at surround. I want to repair and recone the original speakers or purchase replacements. Does anyone know of a recone kit that fits the outer full-range speakers and look like originals...
  5. D

    The $50 JVC M90 aka Bodgecity

    The Story: Client brings in this boombox and i took it on as a pet project. not a hurry but he doesn't want to spend much. he said he the right speakers out and mainly wants that to be fixed. I take it in and do some basic checks on it. It powers up and can take a signal in from line out for...
  6. rtfly193

    I accidentally a GF-767

    Picked this beast up today. Case looks great, it's all there and fairly clean. I cleaned the tape heads and rollers, decks will need new belts though both play (I've got new belts ordered). Needs the usual stuff, cleaning of all switches and pots, new belts, got the azimuth dialed in on Deck 2...
  7. A

    National RX-C39

    Hello All, New member here. I recently scored an RX-C39 from someones trash and am looking to repair the unit myself. Both the play and record buttons are stuck and I'd like to fix this issue if possible. I'm having trouble opening the unit to inspect the interior and was looking for some...
  8. Lasonic TRC-920

    Diagnosing Tuner Board questions

    I have two Lasonic TRC-920's with dead tuner boards. There are no schematic's for this radio. Does anyone have any idea on the best way to trace my way through a PC board or are there common tuner issues to look for. What I have figured out: Both tuners are getting power and have grounds. The...
  9. Lasonic TRC-920

    M90 Successful Deck Repair HOW TO

    Below is a description of the repair process for my M90 deck. By no means will this be the "Fix All" for every deck, but you should be able to follow these instructions to at least check these problems off your list. A HUGE shout out to Boomboxery member DOCS for walking me through this process...
  10. tyler

    "Tape A" broken hinge

    Hey everyone, I'm new to the forum. I recently got my hands on this old lasonic. Surprisingly everything seems to work fine, except for some cosmetic issues. The right-side hinge of the TAPE A cassette is broken, wondering what the easiest way to fix this would be. I think it could be...
  11. Lasonic TRC-920

    "Wreck-Cel" rebuilding of the Audio Sonic TBS-1150 (aka Rexcel JCX-1000)

    Earlier this year, when Boomboxery member Samovar hosted the BOOMBOX and the CITY exhibition in Catania, Sicily, myself along with my wife and DOCS and his wife attended. We were able to visit the fantastic, amazing and incredible collection of the wonderfully mysterious Samavar. And as...
  12. R

    JVC PCX500

    Would anyone know how to tear down this boom box
  13. ForceOriginal

    Looking For Toshiba RT-80S service manual

    if anyone could share this service manual with me so i can keep up with repairs, it would be greatly appreciated.
  14. K

    Sony CFS-4000 ~ One Speaker Too Quiet?

    Just tested out my recently purchased Sony CFS-4000. Everything works great, however any speaker connected to the right channel sounds incredibly quiet. Obviously the volume improves if the equalizer is maxed out, but throws of speaker balance. Any suggestions? The left channel works fine, the...
  15. chuckulaa

    RX 5050 - Anyone have a schematic?

    Greetings, I recently acquired an rx 5050, and the channels aren't balanced. The right channel sounds great, but the left channel is weak. I want to get this bad boy running healthy again, but I can't find access to a schematic. Does anyone have a schematic for the rx 5050? I managed to...
  16. P

    Static noise on tape play, bad caps?

    Hello all! This is my first post and i am very happy to see so much people dedicated to boombox repairs :D Here is my issue : I bought my clairtone 7980 for 300$, got to fix the belts problem with the unit, other problems will need to be checked out too but not right now. Tape deck 1 outputs...
  17. wakehappy

    Hey hey! New to the forum!

    What's up y'all! Big shout out to everyone! I gotta say how stoked I am to have found this forum. I recently scored a gently used JVC M-70. It needs some love, and it's the first well-known box in my collection. When I was a little kid, there was this dude we called Zero. He lived across the...
  18. MyOhMy

    Toshiba RT-170S - Repair & Partial Resto

    Over the last couple of days I've worked on a rather sad looking Toshiba RT-170S. All the usual suspects were present: spider webs, warped tuner display, gnarly ol' aerial bent in every which way, lack of function or reduced function in crackly pots & controls, dirtier than me playing in mud...
  19. Z

    TDK Boombox 2-speaker volume pot

    hi all, my beloved tdk 2-speaker boombox seems to breathe out life after a few years already. volume adjustment has become difficult lately and is now hardly possible anymore. that's really annoying but otherwise the boombox is perfectly alright. I was 99% sure that the potentiometer is worn...
  20. MyOhMy

    Panasonic RX-C36L - Gettin' Down On It!

    Sourced on eBay UK, this tidy little BB cost me the grand total of £0.99p plus £5.60 P+P so I couldn't give it a miss even though the description was a little short on words: "......The radio works and the tape will rewind and fastforward but struggles to play"..... was just about all I had to...