In for service, a Sony Shake-99 audio/video system. Customer indicated a complaint as follows: CD STUCK…RECEIVER OUT—NO SOUND. This large-format product (see video) ROCKS! at both low and high volume. It has almost 5000 watts, with smartphone control, wireless bluetooth connectivity, included DJ and lighting effects—overall, a very nice product, and one we had not previously seen.
Our technicians spent the required diagnostic time with this fantastic, club-level system. Working together, our team of skilled technicians resolved successfully the customer’s complaints: we fixed the CD mechanism issues by sheer expertise, and a process of re-alignment, while the Shorted Receiver complaint we were able to locate the culprit and faulty component—namely a faulty transistor on the Main PCB power supply.
For our main Stereo & Electronics Repair Service Page, click here. For our Pro Audio repair page, click here.
Summary: Shake-99 Repair at Bammel TV Tech Services
Just another routine day as the world’s greatest repair shop. Need service? Call the professionals—call Bammel TV!
Need Egnater guitar amp repair? We’ve added another splendidly sharp arrow to our highly diversified quiver: Bammel TV Tech Services is now the Authorized Service Center in Houston for Egnater guitar amplifiers. Scoring this certification adds another premiere guitar amp manufacturer to our (already illustrious) profile, which includes Marshall, Fender, Peavey, Crate, Hughes & Kettner, and Randall—add Egnater now to the mix.
Kudos to co-manager Dean Doba for liaison work with the manufacturer. In the course of seeking parts support for repair on an Egnater 4-100, Dean was able to break through the typical manufacturer firewall and get us set up. Lots of manufacturers still need highly qualified service centers to address occasional problems with their units. We fit the bill for them!
We received an Egnater product recently for service, brought to us by the local Music Go Round store, with a complaint that the unit’s high-gain channel was nearly inaudible. To judge by our overview of this Model 4-100 unit, it is an extremely well-built, versatile and rugged guitar amp, with numerous and flexible hook up and rigging options. According to their website, “Egnater Amplification is today the fastest growing guitar amp manufacturer in the industry.” To judge by the 4-100 product, we can see why this might be the case.
For this particular product repair, we did our initial assessment; technician at that point requested the product service manual. This is not always necessary for our expert technicians, but in some cases there’s simply no way to proceed without a service manual and circuit schematic, along with block diagrams, parts lists, and the like. Fortunately in this case, we were able to get the 4-100 amp repaired with a physical repair (repair of cold solder or connexion fractures) on the high-gain channel of the amp.
For our main Guitar Amp Repair page, click here. If you need Egnater guitar amp repair, call the professionals—call Bammel TV.
Reel-to-Reel Repair Blowout: THREE Reel to Reel Decks Restored!
Amongst our many other specializations, we’re the go-to shop in Texas for reel to reel tape deck repair.
Included in the movie clip below are two Fostex decks and one Teac reel-to-reel tape deck repairs recently performed. In the background sits another reel to reel tape deck unit, awaiting its turn in line for service and repair.
So far in 2016 we’ve repaired and restored 5 reel to reel decks, with just one unit besides determined as BER/beyond economical repair—it had heavy damage to eight internal circuit cards and, while theoretically repairable, would have incurred too much repair time and thus a high bill.
Highlights of this year’s reel to reel repairs, by model and brand:
Customer brought a Teac X-2000R with a complaint of “Check All Functions,” probably for a basic cleaning and service. Drive belt replacement and cleaning/service brought the unit back to life.
On a Teac A-4010S with complaint of “Motor Overheats,” we repaired by replacing shorted capacitors in the power supply. Unit went home safe and sound and purring nicely.
On a Teac X-10R, customer asked us to replace the drive belts/clean and service, however we found additionally that the unit would also require a new capstan motor for full functioning. Fortunately, after various efforts and vendor misdirections, we found a source, procured the motor, and repaired the customer’s unit.
Finally some words on perhaps the most challenging reel-to-reel repair we’ve done, a restoration of a very attractive Fostex G16 machine. (This is the product on the right in the movie clip below.) This unit had the special misfortune of having been in another repair shop—a circumstance we heartily disrelish, as this almost inevitably means the product will have undergone butchery and/or mutilation. In this case, the repair proved especially difficult as the prior tech—let’s be generous here and call him a tech—had re-assembled the product improperly, leaving many of the internal wiring connexions barbarously mis-connected.
Once the mal-connectivity was corrected, we found some relatively straightforward issues in the audio record circuit and these were repaired and the unit bundled up for homecoming.
Need reel to reel tape deck repair? No problem—call the professionals—that’s us.
Just another save-the-day at Bammel TV Tech Services. For our main Stereo Repair Houston page, click here.
Customer brought to us an early-1980’s vintage studio recording deck: a 2″ tape, 24-track recorder—the MCI JH-24.
The MCI JH-24 is a rather legendary studio multi-track recorder—a very impressive piece of equipment, the first commercialized 24-track recorder. Many rock classics were recorded on MCI machines: Eric Clapton, the Eagles, Led Zeppelin, and the Bee Gees recorded many of their 1970’s era hits on MCI 16-track machines. The JH-24 carried an original purchase price in the $30,000 range. Even today working units are being sold online for over $8000, not including freight.
By the early 1980’s digital recording was emerging on the horizon, but many artists then, and still today, prefer the perceived “warmth” of analog recording equipment. And so we found ourselves facing a non-functioning JH-24 deck—the first one we have seen.
Assessing the Repair Prospects on the MCI JH-24, and Phase 1
Customer’s complaint was that “Tape transport won’t function.” Our diagnostic assessment found the following:
“MAJOR RECONSTRUCTION REQUIRED in POWER SUPPLY, STANDBY CIRCUIT WORK, and SYSTEM CONTROL CIRCUIT. ADVANCED TROUBLESHOOTING PLUS REPLACE OF MISC COMPONENTS INCLUDING DISPLAY LAMPS—HOWEVER IT IS OTHERWISE IN GOOD SHAPE AND REPAIR IS FEASIBLE & RECOMMENDED FOR REPAIR.”
After considerable efforts by one of our master technicians, our repair essentially stalled out—“I can’t fix it.” Despair set in. Eventually I transferred the ticket to our other master tech and assigned him a full time assistant for this challenge. The risk was considerable: should he and his team flame out, and the unit prove unrepairable, this would represent a large loss of valuable repair production time.
Phase 2: Breakthrough
The second tech team completed the remaining work, but having done so, we ran into additional complications with this very complex product. Customer had requested that at least 16 of the original 24 tracks be restored. As it turned out, each individual recording track presented individual electronic circuit issues. Both our master techs worked on the unit, and were finally successful in restoring 23 of the 24 tracks, each of which required individual troubleshooting and circuit repair, for a total repair cost below $4000—thus saving the customer over $4000 off the cost of purchasing a replacement.
Summary: We Fixed It
Finally, we presented the triumph to the customer: a restored, functioning MCI JH-24, at just half the cost of a working replacement. Just another save-the-day at Bammel TV Tech Services. For our main Pro Audio repair page, click here. Click on the video player below for a brief video review of the final, functioning unit.
Customer recently brought to us for restoration a classic, vintage Zenith console stereo, model #MH2602M, bearing a chassis designation of 4G21 9H20. We estimate this unit was from the late 1950’s or quite early 1960’s. Customer reported “retro appeal” on the unit: it being fashionable to come to her home and listen to vinyl discs on the stereo console. But her kitty-cats had gotten out of line and clawed up the grill cloth—quite badly—one of the worst cases of pet clawing damage we have seen! BAD kitty! (Customer indicated she has subsequently declawed the little villains, or otherwise disarmed them.)
But, as pet damages go, this one wasn’t amongst the very worst. We did a restoration/replacement of the speaker grill cloth, using material supplied by the customer. Additionally we did some cosmetic treatment of some critical internal fixtures, cleaned all potentiometer controls, and repaired/re-aligned the display glass, which had slipped out of alignment.
We’ve fixed many, many vintage and console stereo units for customers. We’ll add more posts “in future,” as our British friends say.
For our Stereo & Electronic Repair Service main page, click here.
Summary: Vintage and Console Stereo Repair at Bammel TV…
We were successful this week in—finally—restoring a customer’s high-end Madrigal Proceed 5 channel, THX-certified power amp. This one was a challenge! The unit had been in another shop—a “chop shop,” as we call them sometimes—and numerous components were swapped into incorrect positions or else were outright removed (or perhaps pilfered, for other, less difficult repairs?) Additionally, getting service literature from this manufacturer is like pulling teeth, so final restoration (which included 9 different, discrete integrated circuits) involved great difficulty. However our team won out over the gremlins, as we usually do.
If we can’t fix it, we’re betting almost no one can.
Summary: Amp Repair Time at Bammel TV
Another one bites the dust at Bammel TV Tech Services. For our Stereo & Electronic Repair page, click here.
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