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service manual

  1. Dave Sanders

    Marantz 2270 Service Manual with Bulletins

    Found this SM for the 2270 which has better detail especially in the images and also has Service Bulletns.
  2. Ray66

    Onkyo TX-2500 MK II - PCB labels don't match SM

    I'm currently working on an Onkyo TX-2500 MKII receiver. I noticed a disconnect in PCB naming between the service manuals I downloaded from HiFiEngine and the actual unit I'm working on. For example, the label on the POWER AMPLI. PC BOARD in my unit is NCDA-472 while the manual lists it as...
    • Ray66
    • Thread
    • onkyo tx-2500 mkii service manual
    • Replies: 9
    • Forum: Solid State
  3. M

    Yamaha YP-D6 Service

    Hey AK, Is there anyone with a VinylEngine.com account who would be willing to share with me the service manual for this beautiful Yamaha YP-D6 that I picked up from craiglist? would like to clean it up and recap https://www.vinylengine.com/library/yamaha/yp-d6.shtml I’ve had a hifi engine...
    • mmettej
    • Thread
    • restoration restoration help service manual yamaha yp-d6
    • Replies: 8
    • Forum: Turntables
  4. Bob the Tech

    Model 15 service information

    Hi, I've got a Model 15 in the shop but the assemblies don't match the Model 15 manual I found on line at hifiengine. I can follow what's going on by tracking traces, but there are parts and circuits in the manual that are not in this unit, and there are quite a few parts with different values...
  5. V

    Yamaha NS1000X - Need Service Manual

    Hello all, I am looking for Yamaha NS1000X Service Manual. I was able to find owners manual but not service manual. I am wondering if anyone will be so kind to share it. Many thanks in advance!
    • vladc77
    • Thread
    • service manual yamaha ns1000x
    • Replies: 4
    • Forum: Yamaha
  6. G

    Looking for B&K ST-2140 Power Amplifier Service Manual

    Hello - I am looking for service manual of B&K ST-2140 Mosfet Power Amplifier. In 2020 I contacted ATI who owned B&K then and I got this reply: "Thank you for contacting us. Did a search of our legacy B&K database and could not find a service manual or any schematics for the ST2140. Sorry...
    • gramafone
    • Thread
    • 2140 amplifier b&k mosfet service manual st-2140
    • Replies: 2
    • Forum: Solid State
  7. B

    Bose 1800 Series 1 manual & input sensitivity

    Hi, Don't suppose anyone has a copy of the service manual or a link for the Bose 1800/1801 series 1 please? The electronics-diy link has gone down. Has anyone managed to bring the input sensitivity down to -10dbv consumer level? I've got Apex 124A convertors but would rather not use them if I...
    • BOSE
    • Thread
    • 1800 bose input sensitivity service manual
    • Replies: 2
    • Forum: Solid State
  8. H

    Yamaha C-4, circuit board diagram for the Function Board, good scan required.

    Might anyone have a Yamaha C-4 service manual or at least a circuit board diagram for the Function Board? I already have the ones available from HiFi Engine etc and unfortunately they're close to illegible for reading some of the capacitor references. Very hard to confidently/easily recap...
    • Hifibythekg
    • Thread
    • c-4 c-4 preamp function board service manual yamaha
    • Replies: 6
    • Forum: Yamaha
  9. david winter

    SPEC 4 variants (AWM-146-0 / AWH 066-B)

    Hi, I recently scored a nice Pioneer bundle: SPEC3 + SPEC4 along with a PL1000 and CT-F1250. I started going through the SPEC4 and noticed some differences in the board revisions, which brings a first question: is there a place where all revisions can be found to compare ? I downloaded two...
  10. pc9456

    Motorola 1959 Turntable - Model sk36m

    Good evening, I am very excited about the possibility of finding help on this thing - I had a moto turntable gifted to me which I took apart to clean and lubricate, when trying to put it all back together, I have forgotten where 2 of the springs go in the turntable. Does anyone know where I...
    • pc9456
    • Thread
    • motorola sk63m service manual turntable
    • Replies: 10
    • Forum: Tube Audio
  11. gpsmithii

    A.G. Tannenbaum

    Hi, I'm looking for a service manual to begin restoration of a KLH Model 20. Someone pointed me to the A. G. Tannenbaum website and I saw the manual listed as one of the options. I sent them the funds via PP and after a couple of days with no reply to revisited the website and thought I might...
  12. Memnoch

    TU-7900 Service Manual other than off HiFiEngine??

    Hey guys, Does anyone have a better service manual than the one on HiFiEngine? I have the famous FM very very low, almost not working scenario. But I was hoping to find a better copy of the TU-7900 Service Manual. I have a tech working on it now and he would like a better copy. Thanks
  13. VintageDutch

    Need circuit Diagram KR-44 SL

    Hello all, This weekend my Vintage receiver family collection got a new member addition.. The Kenwood KR-44 SL It had FM, AM LW 1,2,3 Aux and a Phono section..and a Tape out/input.. Look fair, Mint face plate, needs cleaning and partial restoring (recap)... Best of all... It sort of works...
  14. B

    Onkyo T 4040 (analog silver face) service manual needed!

    I see another post looking for this manual 8 years ago with no response so not optimistic. But if anyone has a lead I'd be grateful! My service person won't work on it without one. Easy to find one for the newer digital T 4040 but not the late 70's early 80's silver face tuner...
    • Ben Glaros
    • Thread
    • onkyo tuner service manual t 4040
    • Replies: 10
    • Forum: Tuners
  15. D

    Soundcraftsmen PE-2217 Schematic/Service manual

    Hi ! I have a Soundcraftsmen PE-2217 in great outer condition but someone really messed up the inside (wrong or incomplete wiring, wrong or probably wrongly orientated caps, burnt resistors). I could really use a schematic or even service manual. Thank you
    • depaj
    • Thread
    • pe-2217 schematic service manual soundcraftsman
    • Replies: 33
    • Forum: Solid State
  16. jabber_wocky

    gutted by condition of my just received, "vintage" mini-console

    First post here, really unsure where to post, as this touches on repair, restoration, solid state, Sony, turntable and probably others those much more experienced AKers will point out. That said – thank you upfront for your time and attention here. Feedback and input is appreciated, welcome and...
    • jabber_wocky
    • Thread
    • 70's sony 70's turntable damaged cabinet dual repair turntable replacement turntable restoration service manual sony hp610 hp610a hp-610 hp-610a
    • Replies: 81
    • Forum: General Audio Discussion
  17. T

    Question about finding parts.

    I found what parts I need using the a service manual, however I can't seem to find the parts Ineed even with the model numbers etc. Any tips? Parts I needare listed below.
  18. G

    Pioneer SX-1010 recap

    Hello all sx-1010 lovers. Have taken my old sx-1010 out of hiding and thought to freshen it up. I bought it in 1974. With Pioneer PL-51 turntable and AR3a speaker. The turntable is gone and the speakers. but I want it as it was in 1974 Have now bought AR2ax speakers and are waiting for a...
  19. badnaughty

    hitachi D-220 tape deck

    Hi everyone! I'm looking for a service manual in pdf format for my Hitachi d-220 tape deck . Do any of you guys have it? Thanks in advance.
  20. J

    Denon PMA 2000R, service manual

    Hi all, i wonder if anyone could please help me out with a problem. I decided to recap my PMA 2000R, and first downloaded the service manual.(i thought it was only one choice of manuals) Ordered every electrolytic capacitor from the lists, a total of aprox 60 caps. Soon found out something where...
    • Johnny_Bash
    • Thread
    • service manual
    • Replies: 4
    • Forum: DIY
  21. PE9ZZ

    Technics ST-3000 service manual needed

    I have one of these on my workbench with a few burned resistors. I prolly can figure it all out but it's a rather complex unit. Before I fire it up I'd like to check the circuit but I cannot locate an SM online. I did find a paper one on Feebay only to see it disappear right before my eyes...
    • PE9ZZ
    • Thread
    • service manual st-3000 technics tuner wanted
    • Replies: 2
    • Forum: Tuners
  22. A

    In need of a service manual (dial string diagram) for a Realistic STA-65D

    Hey all, I picked up a Realistic STA-65D in great condition from an antique place yesterday for only about $20. When I got home and popped it open, I noticed was that the tuner cord had slipped from the pulley mechanism. It appears that the entirety of the string is still intact (whew), but...
  23. J English

    Service Manual Help0

    Hey, wondering if someone on here could download and send me the service manual for a Yamaha P-320. I am locked out of Vinyl Engine - have tried EVERY variation on name, PW etc I and think of and the board won't let me in. I'm fairly p'd off that there is no moderator assistance anymore for...
  24. kryten79

    Pioneer HPM Speaker Manuals

    Just discovered this Pioneer HPM Service Manual PDF on another site, TVCAUDIO. Can download the big PDF from the provided link. I am posting them here in pieces as the file was too large to upload to AK as one file It contains three service manuals The HPM-100 2nd gen. manual is from 1978 and...
    • kryten79
    • Thread
    • crossover diagram gen generation hpm pioneer service manual speakers specs version
    • Replies: 0
    • Forum: Pioneer Audio
  25. Isaac C.

    Technics RS-271US Service Manual

    Hello everyone, does anyone know where I could find a service manual for this cassette deck? End note, the model might also be under the National or Panasonic brand name. Any help would be appreciated, thanks in advance!
    • Isaac C.
    • Thread
    • cassette deck service manual technics
    • Replies: 5
    • Forum: Tape
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