9 results in 0.0034 seconds.
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1981 Roland Jazz Chorus JC-120 Microphonic Troubleshoot
I recently purchased a Roland JC-120 from a music studio that had been sitting in a garage for a few decades. Upon plugging the amp in to begin tests, I noticed... -
Roland JC-120 BB03539
Jazz Chorus amp chorus and vibrato not working. I think this is the 1984 model. I have opened it up and am looking for help. Trying to figure out what is... -
Roland JC-120 BB03539
Looking for schematic and help repairing chorus and vibrato. I can almost hear it but it is faint. -
Help a beginner fix a JC-50
My JC-50 (older rev) is making loud whooshing & crackling noises constantly.
The noises are not affected by the tone controls or effects...Last edited by nuromantix; 12-12-2017, 01:53 PM. -
Advice needed re Roland JC-60—power/polarity switch and safety
Picked up an old metal corner Roland JC-60 with a few issues:
- previous owner said it was blowing fuses. I looked at the fuse assembly and... -
JC120/160 effect board issues
Howdy all, name's Six. First time poster, long time lurker. In between customer repairs I've been working on my own project, a 1979ish JC160 I picked up in... -
Roland JC 120- Got it back after 20 years!! I need a bit of help/advice....
Hey y'all... Its a long story but my Roland JC120 built in the early 80s disappeared after a gig and was recently returned after I saw it in a family members... -
New Member / Hello! / Roland JC-55 Question
Hello to all -
Very happy to have found this forum! I was recently given an 80's Roland JC-55 amp. A way cool little amp! It was DOA when... -
Roland Jazz Chorus JC-77 Hiss
Hi there,
Got a good deal on ebay for an old JC-77. Its got a few problems...mostly, it would seem, from sitting around accumulating cobwebs and getting...