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Onkyo TA-2066 Service Manual

Onkyo TA-2066 Service Manual covers following topics:

  • How to repair Onkyo TA-2066 Stereo Cassette Tape Deck?
  • How to maintain and fix your Onkyo TA-2066 Stereo Cassette Tape Deck?
  • Specifications, Features, Common modes of operation, Adjustment procedures,
  • Service procedures, Exploded view, Mechanism-exploded view,
  • Control pc board view from bottom side, Record and playback amplifier pc board view from bottom side,
  • Line amplifier pc board view from bottom side,
  • Back tension and motor control pc board view from bottom side,
  • Connection diagram for motor control pc board, Power supply pc board view from bottom side,
  • Semi-conductor view, Component location, Packing procedures
Onkyo TA-2066 Stereo Cassette Tape Deck Service Manual
Onkyo TA-2066 Stereo Cassette Tape Deck Service Manual
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Onkyo TA-2066 Service Manual

(Book ID=38649 Added on August 26, 2012) Onkyo TA-2066 Service Manual covers Repair Guide, Troubleshooting, Parts List, Exploded diagram, Wiring Diagram, Schematics, Assembly and dissembly of equipment. Using Onkyo TA-2066 Service Manual, you will be able to get answer of common questions regarding equipment  like:
  • How to open and clean Onkyo TA-2066 Serv?
  • How to fix broken Onkyo TA-2066 Serv?
  • How to solve various error codes?
  • How to repair broken parts and various part numbers?
  • What is the meaning of various buttons and indicators on device?
  • How to carry out alignment and routine servicing of your device?
Onkyo TA-2066 Service Manual by SRmanuals is scanned from original paperback copy of the Onkyo TA-2066 Service Manual and are guaranteed for high quality scans. We have tried utmost care to make sure completeness of manual. This is the one used by company people for their internal use and hence many of them are copyrighted by respective companies. In real world we hardly see Onkyo TA-2066 Service Manual in paperback or softcopy and hence we have created this website which will give you access of such a huge collection of service manuals at a rock bottom price. We are slowly increasing availability of service manuals on this website and if you can not find what you are looking for, please contact us and we will be happy to provide you if we can get hold of it. Many people ask us from where do we get all these manuals. Just to clarify, we are a big service provider for almost all electronic items and hence we have server access to majority of company website. These server access are the main resource of our library. We are also looking for any opportunity to exchange both server access and service manuals and anyone interested can contact us. Enjoy your

Onkyo TA-2066 Service Manual

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Below is example of common troubleshooting you can do using this service manual

The Accubias Circuit of the Onkyo TA-2066

SIGNAL FLOW
When the ACCUBIAS switch is turned on and the ACCUBIAS calibration konb is pressed in, a 12KH7 and 400Hz signal are generated. At the same time, the signal is switched form the line side to the ACCUBIAS side by electronic switches Q203 Q206. The signal consisting of Hie mixed 1 2KHz and 400Hz frequencies passes through the recording circuitry and is recorded on the tape This signal is then retrieved by the playback head (using the right channel), amplified by Q525, passed through the filters (Q506, Q506) and divided back into
the original two frequencies.
The signals are then converted into DC voltages by the rectifying circuits (D502-D505) and the 12KHz and 400Hz components are each fed to the level comparator where the DC voltage of the 40OHz component and the DC voltage of the 12KHz component are compared. In order to light the ACCUBIAS LEDs one by one, the signal passes through an EXCLUSIVE OR type circuit and to permit hold for the five center LEDs, the signal passes through a D FLIP-FLOP circuit (G516) Hold is done by shaping the 12KHz signal and applying it to CK (clock input! of Q516 As long as a clock input is being received, the D FLIP-FLOP continues to supply
an input signal. When the clock input stops, one of the five inputs is held regardless of which one it is When the ACCUBIAS ON/OFF switch is turned off, the Q516 CL {clear} input goes to low to release hold. When power is turned on, the CL input is reset so that no LED is lit.

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