Onkyo; M-508; Onkyo M-508. Below you will found our manuals on the Onkyo M-508. The M-508 was first manufactured in 1986. https://summernew333.weebly.com/blog/download-1976-geo-tracker-manual. The owners manual is used as an reference guide, instruction manual and instruction book. https://summernew333.weebly.com/blog/back-ups-xs-800-user-manual. The service manual functions as a repair guide for troubleshooting and sometimes contains tips for refurbishing and modifications. Download onkyo DPS-7.2 DPS-7.2 service manual DVD player, DVD recorder, digital recorder, DVD R - Sony, Panasonic, LG - service manual and repair information.
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Hello. here is a message to share my experience in solving a problem that appeared on the home-cinema amplifier ONKYO tx-DS494. In order to sell this amplifier I had to check if all the outputs and all the functions works properly. On the back of this amplifier you have to frontal output : A and B. I connect a pair of speaker on A output : no problem. I can adjust volume. when i connect the pair to the b output and turn the volume knob no sound came out of the speakers until I reach a level defined by I don't know what. :hmmm: My volume level goes from 0 to 80db ( if I remember well ). from 0 to 23 db no sound and when I reach 24 dn sound increase and stabilize. With hearphone connected, i don' have this problem so I conculde that amplifing transistor could not be incriminated. I checked on the service manual and saw that there are two or three component that could be the source of the problem : the main processor, some capacitors on the output PCB and relays. I began testing capacitors: no pb. then I thought that if cannot be the main proc because it ( I think ) works in a binary mode: it works or it doesn't. so I decided to switch between themselves the two relay and :super: : it works. The relays was in fault and did not switches properly. here is my experience in repairing an amplifier
Üdv' Mindenkinek. Kezelőn stby 5V megvan, stby gombon is. A relét, mi bekapcsolja a cuccot egy tranzisztor kapcsolná, aminek a bázisa valahonnan arról a digitális förmedvény panelról jön, ami a mindenféle av és egyéb dolgokat is kapcsolgatja. Ha a relé meghúz, villanyok megjönnek, de továbbra is agyhalott. Itt feladtam. A cucc pesti. Ha akad, ki elmolyolna vele, küldjön privátban egy telefonszámot és összehozom a gazdival.
I have a Onkyo DX-7333 CD player, which sometimes doesn't recognize CDs. I don't think it's a laser pickup (KSS-213C) problem, because when it recognizes the CD, it plays it without a problem, even very scratched ones. The next thing is, it should play CD-RWs, but it doesn't even recognize them. I think it needs adjustment There are two pots on the main PCB - Focus Gain R123 and Focus Offset R112. Also there are two test points: TP1 4 pins, first pair labelled Tracking Gain, second pair Focus Gain TP2 2 pins labelled RF Out and VC But in the service manual is no description, what should be measured on the test points and how to set Focus Gain and Focus Offset. In the attachment is a cut out from the schematic, where the test points and adjustment pots are. Please if someone knows, how to?
Sziasztok! Ezzel az erősítővel van gondom, most került vissza hogy elugrott az egyik oldala, át mérve minden rendben találtam, kivéve a két végfok tranyót az egyik oldalon. Csere után járattam, és fél óra után pattanás és hang elment. Megint szétszed, átmér, hibás megint a két tranzisztor ( Q508, Q509 ) mást megint nem találtam ellenállások jók, a többi tranzisztorok is jók, most szól de nem merem próbálni. Mi lehet a gond?
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- Amplifiers
- Audio
- Blu-ray Players
- Car Electronics
- Cassette Deck
- CD / DVD Recorder
- CD/DVD Players
- Combo TV, DVD, VCRs
- Digital Media
- DJ CD-DVD, Effector, Mixer
- DVD, CD
- DVD/CD and cassette players
- Home Audio
- Home Audio Video
- Home Cinema
- Measuring Instruments
- Mini Systems
- Minidisc Recorder
- MP3 Players
- Other
- Projectors
- Radio
- Receivers
- Remote Controls
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- Soundmachines
- Speakers and Subwoofers
- Stereo
- Tuners and Cards
- Vinyl Players
- Wireless networks
Onkyo devices service manuals. Onkyo circuit diagrams, schematics and flowcharts, service guides, replacement hardware lists and repair manuals are taken from the company's official website.
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