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Restoring a 1250 when I came across components I’ve never used or seen before. I’ve been in hundreds of receivers but never seen these. Previous “tech” installed these all over the unit on almost every board. Pic attached.

Hi guys rebuilding an Onkyo TX-4500 not an MKII, The service manual is weird, parts list states one thing and the schematic states another. Please look if you have experience with this receiver. I'm not sure what to do here. Boards were stripped when I got this in thanks to some hack. let me...

Any suggestions? Or do I need an entire AXA-056?

Have a customer 2270 with no amps installed. This came with the entire unit minus the amps. Was shipped both left and right amps today, all the wiring is clipped. Anyone have a diagram where all these wires go almost nothing matches up Mostly the ground wiring but all would be helpful. If pics...

Anyone working on a 2220B the manual is incorrect for idle current adjustments. The proper way to adjust idle current is: J714 to J716 to 20mv DC J715 to J717 to 20 mv DC I found out the hard way.

Just a heads up Parts Express has the old school can of Deoxit D5 with the old red straw system cheap and free shipping on orders over $50, I bought six cans...no affiliation...hopefully I'm not breaking forum rules by posting...

Restoring a 1250 and the hack who worked on this before disconnected the white shielded cable coming from the pre-out in the back, the cable consists of three wires green, red, and yellow. The green wire is hooked to the filter switch board AWM-089 pin #9, the other two are hanging and...

I do not normally ask for help but I'm perplexed. I have a customer SX-950, I've done dozens of them with no issues, but this one is driving me crazy. I've restored the entire receiver, new caps, transistors, diodes, filters, etc. on all boards. When I got the unit I noticed someone drove...

Restoring an SX-950 and came across this. Apparently they lost the original Pioneer lamp housings and improvised with this neat fix. Worked on many 850-950’s and never saw this method before. Not bad if the bulbs are the correct voltage.

hi, I’ve followed LeeStereos thread on a 2270 rebuild. Everything looks good except I cannot lower the idle current below 15mv on both channels. I replaced the original transistor 2SC496 with a Ksc 3503 as suggested in a few posts. Should I install the originals to see what the idle current...

I’ve done more than 10 but when I get one I get excited. Looks like light use. Have a few new power supply boards complete, I think I’m gonna use the stock one it doesn’t look that bad. When I flip it over and lose traces I might rethink. Zeb you with me? I’m good but we’ll see buddy.

https://www.ebay.com/itm/152757483449?ul_noapp=true

Hi guys, I just picked this up for the hell of it, I love obscure Pioneer units. Anyway before I tear into it(never ever seen one of these before) there are a few issues, the turntable motor seems to run slow, it wont turn the platter when attached, when I pull the platter and remove the belt...

Happy Fathers Day to all the AKer's! Relax and have a beer or two.

http://www.ebay.com/itm/Vintage-Kenwood-KR-9050-High-Speed-Dual-DC-Stereo-Receiver-/391436057768?hash=item5b23683ca8:g:hi0AAOSw7KJXESgp

I have tried everything and still come up empty, recapped, adjusted, Deoxed, replaced the stereo lamp, replaced the HA1156 but still no stereo in FM only. The receiver tunes in very well but cannot get multiplex stereo with a stereo light. I am getting 9v on the HA1156 pin 6, which I know from...

http://www.ebay.com/itm/MARANTZ-2500-AND-2600-RECEIVERS-/181839872603?hash=item2a5680425b no affiliation just stunned that these two are coupled together in the same auction.:banana::banana:

Hi, I am by no means a Marantz specialist I usually restore Pioneer receivers but I have a very nice 2265B that gives a pretty heavy hum only when FM is selected,all other functions sound loud and very clear. Also when in FM with volume at zero I cannot hear any humming, you hear it during...

I have attached a few pictures of my latest acquisition, a Pioneer SX-1080, it came here in a single walled box held together with packing tape. Inside the box a few Priority Mail boxes folded up and two layers of very small bubble wrap. I cannot believe it arrived from Florida somewhat safe...

I just restored a 2240, after I thought everything was good I see a stray ground wire broken off what it looks like the mode selector switch. I think it's relevant to the AUX mode as when I flip the unit from upside down to upright the left channel goes out. Flip it back upside down and it...

Hi, just restored a 727 and everything worked very nice but I had a flickering FM stereo lamp while in FM mode, I researched this and found a post that suggested changing Q19 and C61 on the tuner board. I replaced Q19 with a suggested KSC2383 and the C61 with a .47 film cap, now when I power up...

Hi, I just restored this receiver all new caps and transistors, and I must say the build quality is one of the most impressive I have ever seen, it rivals all the major receiver brands no question. My issue is, does anyone know how to do idle current and DC offset adjustments on this receiver...

I've noticed recently a few more sellers on Ebay selling these manufactured 8v T-2 LED fuse style lamps. They have very large quantities for sale, these cannot be hand made in their workshops. Has anyone other than me noticed this? I would like to find out where they are coming from, did many...

Recapped a nice 780, replaced Q16, Q15, Q14, Q13, Q5, Q6, and the infamous Q19, Q20 and Q25. All replaced with prior recommended Fairchild replacements. Now I'm on a 100W DBT, flip switch, dim bulb, no relay. Also changed out both emitter resistors. Measured the Darlington's... Left and Right...

Hi I have a 6060 with a F-2701 board, the manual gives directions to set idle current for a different board F-2648. Does anyone know where to probe for idle current for this model board. Thanks:thmbsp: