soldering
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SAE Pre Drive Board (SAE 22-0091)
Greetings all, I am in the process of repairing and restoring an SAE 2500 Pre-Drive Board. In taking out the screws to the hear sink, one of the copper rings separated from the pcb (see !MG_1070). It is the bottom screw hole in the photograph and is the bottom hole of the q4 transistor. In...- jw68317
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- pcb repair advice repair advice help needed sae sae 2500 soldering
- Replies: 25
- Forum: Solid State
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Recommended TS-100 Soldering iron tips?
Hey there! I'm just starting out, and am looking for recommendations on what kinds of TS-100 compatible soldering iron tips would be most useful for desoldering and soldering components on 1970s era receivers (I have a Rotel RX-150A which I plan to use as a learning project before I graduate to... -
replacement parts and substitutions
Just looking for some general "rules of thumb" ... quite a newbie here. How important is finding replacement components (such as capacitors) that are audio quality? Do you have recommended vendors for finding these? Do you have any preferred places to shop for components in general? (RIP...- spctrlhrmny
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- audio quality capacitors components pcb pioneer rebuild soldering
- Replies: 2
- Forum: General Audio Discussion
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Massive pain to remove an IC?
So I don't really know where to post this but I bought a hp oscilloscope and it needed a new battery for the memory chip. I ordered a new chip and figured I'd remove the chip before the new one arrived. I kid you not I must have spent 2 hours just trying to get the thing out. I was fairly...- TrevorBarten
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- help soldering
- Replies: 28
- Forum: DIY
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No semiconductors were harmed during the making of this movie.
What the heck is she building?- MezcalOxa
- Thread
- how to solder solder soldering vintage electronics
- Replies: 7
- Forum: Tube Audio
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Help! Soldering legs onto tweeter protection lamp (Sylvania 211-2)
I have a very limited experience/knowledge of soldering, and need to replace the soldered-in tweeter protection lamps on some old DCM crossovers. I went with the Sylvania 211-2 lamp since it was easily available and was recommended in other threads, and I thought the wire clips on each end would... -
Did I buy the correct RCA cords for my Technics?
So, i made a post here bout a week ago asking why my new cords were **** sounding and now i know. So i ordered from Kabusa, since a lot of people told me to. I contacted the dude that owns the site and he told me to get the Mogami W2528 Molded Gold Connectors they’re the first ones listed on...- symkob
- Thread
- kabusa rca soldering technics turntable wires
- Replies: 3
- Forum: Turntables
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Muffled Sound after replacing RCA Cables on Technics SL1800
Hello, about half an hour ago I replaced my Technics SL-1800’s RCA Cables, the old ones were 44 years old and finally gave out earlier today. Everything went well while replacing the cords. I soldered everything to the correct spot. Easy stuff. Well, now every time I play a record, there’s a...- symkob
- Thread
- cord rca replacement replacing soldering technics turntable turntablism wires
- Replies: 29
- Forum: Turntables
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Altec Model 15 resoration help... again
WARNING: INITIAL POST LONGER THAN INTENDED Long time listener, first time caller...I've looked through the numerous other model 15 posts and tried to gather as much info to spare the overlap. I'll try and update as I move along. I'm not the handiest person, so forgive me in advance for any... -
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Did I burn this power supply?
I have just took the capacitors out of this power supply, and I'm a bit worried about those brown-ish spots that formed around the connections, do these look like I burned the board? and if so, anyway to "fix" it? I have read that burning things is unlikely if you're careful because not many...- sabalennon
- Thread
- burning capacitor desoldering power supply power supply board receiver soldering soldering iron vintage
- Replies: 7
- Forum: Solid State
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Soldering Equipment Sale
Looks like banggood has got some killer deals on soldering stuff today. -
Installing New Capacitors in Crossovers
Hello. When installing new axial capacitors in crossovers, toward which direction should the negative lead go? Does it make a difference which direction the negative versus the positive lead go?- MacMan10-100
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- capacitors crossovers soldering speakers
- Replies: 7
- Forum: DIY
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How To Solder - adopting good technique
I'm committed to learning how to do this with good technique. Does anyone have some basics to share plus possibly links to any "how to" videos on youtube that would serve me well? Earlier I made the mistake of using a cheap iron that didn't get hot enough. I've upgraded to a decent Weller &...- nniemiec
- Thread
- soldering
- Replies: 7
- Forum: Solid State
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Soldering\Reflow techniques
I have begun taking on personal soldering projects. I was able to get a couple of pieces of gear working by reflowing solder joints. Currently, I have reflowed all connections on a DBX 3BX, in an attempt to restore one channel. Unfortunately, I still have one channel. I figure I got all joints...- oldvinyldude
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- reflow rework soldering technique
- Replies: 7
- Forum: DIY
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Homemade Flux
Anyone ever make their own flux for soldering? If so, any recipes that you would like to share? -
Custom Lamp install with fuse lamps and clips
Hi, Never posted before so sorry if this is in the wrong place. I am looking at my RS STA-82 blown bulbs behind the tuning meter (auto magic) and they are hard wired. I am thinking about soldering on fuse clips to this small board for 8v 250 ma fuse lamps so they can be easily replaced in the... -
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Replacing the Pre/Main Jumper on my Integrated Amplifier
Hi forum members, I recently bought a NAD C355BEE second hand and during my shopping I found a NAD video explaining the difference between the C316BEE and the C326BEE. The advisor was saying that the pre/main jumper was the biggest difference and that one thing that could be done to improve your...- FrancisDumas
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- diy pre/main rca cables soldering
- Replies: 34
- Forum: General Audio Discussion
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DQ-10 80 uF cap soldering trouble
I recently got a pair of Dahlquist DQ-10s that hadn't been used in decades and decided to do a bit of refurbishing. I refoamed the subwoofers without trouble. Next, I was told to replace the blue 80 uF electrolytic cap (to the subwoofer) in the crossover. Got two 80 uF 100 V matching caps and... -
Cool article on soldering
Very interesting read https://motherboard.vice.com/en_us/article/9kggm8/the-art-of-soldering starts off with: The technical manual Quality Hand Soldering & Circuit Board Repair sounds like the kind of work that is designed to put you to sleep—especially if you don’t know how to solder. But...- dlucy
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- soldering
- Replies: 19
- Forum: General Audio Discussion
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soldering new tonearm wires
Hey there, I'm in the process of rewiring my tonearm and I'm a bit confused. I can't figure out the roper way to solder these cardas clips I have (http://www.cardas.com/images/cartridge_clips_main_transparent2.png) to the end of the wire. As you can see there's a small hole on the side of the...- Mattadmortem
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- clips rewiring soldering tonearm
- Replies: 0
- Forum: Turntables
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Transistor replacement soldering question
Hi all gurus or other helpful souls of this beloved forum I have a question regarding pcb mounted transistors without heatsink. As you can see in this picture there are some heat damage on the board, (amplifier probably took some abuse) my questions are; would it be better to leave the "legs" a... -
Help finding a RELAY
So I have a AV receiver that stop working recently and I want to fix it I know what relay it is but I can't find much for buying it online I have this number and manufacturing company name Fujitsu FBR46ND012-P and i've done plenty of work on av receivers and amps in my life but never had to...