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Reset Micro Processor

In these days many things are controlled by microprocessors (computers) that oversee the operation of your equipment. Examples are sewing machines, TVs, Satellite Receivers, most audio and video equipment and video games. There are many more including vacuum cleaners and toasters.

If you have difficulty operating a product that contains a computer control the first thing you can try is to unplug the unit from the wall. Wait about 10 minutes and then plug it back in. The computer will restart it's program from step 1 and likely operate normally if that was the problem. If your unit has a back up battery like an alarm clock/radio you need to remove that battery too.

The reason this trouble happens is because the local power company picks up broadcast signals on their wires and also might have am occasional glitch. If those sorts of things aren't filtered out then microprocessors can get confused.

Zashiban

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2488 jog wheel not behaving correctly, jumping around.


These units have what is known as a Rotary Encoder. They're just like the volume controls on audio equipment, now a days. You can turn it all the way, and it never stops. The pulses from these encoders, are routed to the microprocessor(computer inside your unit). The encoder may be bad, or the microprocessor itself. If you'd like to enquire about repairing your unit, please contact me directly from my website at audioserviceclinic.com. Thank you.

Oct 20, 2014 | Tascam 2488 Portastudio Multitrack...

1 Answer

i need to know how to thread a bobbin?


TRY THIS, itma not be your model, but should help Title:
How do I wind the bobbin? windingbobbin_02.jpg
ac093.jpg Pre-tension disk ac094.jpg Bobbin winder shaft ac095.jpg Bobbin

1. Pull up the spool pin as far as possible, and then put a spool of thread on this pin. windingbobbin_a0991.jpg
2. Pass the thread around the pre-tension disk. Make sure that the thread passes under the pre- tension disk.
windingbobbin_a0992.jpg ac098.jpg Pre-tension disk c_b4.jpg Pulling it in as far as possible

Caution If the spool of thread is not in the right place, the thread may tangle on the spool pin.

3. Pass the end of the thread through the hole on the bobbin from the inside of the bobbin. windingbobbin_a0993.jpg
4. Put the bobbin onto the bobbin winder shaft and slide the bobbin winder shaft to the right. windingbobbin_a0994.jpg
5. Turn the bobbin clockwise, by hand, until the spring on the shaft slides into the groove of the bobbin. windingbobbin_a0995.jpg ac099.jpg Spring on the shaft ac0991.jpg Groove of the bobbin

6. Turn on the sewing machine. windingbobbin_a0996.jpg
7. While holding the end of the thread, gently press the foot controller or press start/ stop button (for models equipped with the start/stop button) to wind the thread around the bobbin a few times. Then stop the machine. windingbobbin_a0997.jpg
Note
  • If the sewing machine is to be operated using the foot controller, connect the foot controller before turning on the machine.
  • When the foot controller is plugged in, the start/stop button cannot be used to start sewing (only for models equipped with the start/stop button).

8. Trim the excess thread above the bobbin. windingbobbin_a0998.jpg
Caution Make sure you follow the instructions carefully.
If you do not cut the thread completely, and the bobbin is wound, when the thread runs low it may tangle around the bobbin and cause the needle to break.

9. Slide the sewing speed controller to the right (to set the speed to fast).
(For models equipped with the sewing speed controller.) windingbobbin_a0999.jpg ac0992.jpg Sewing speed controller
10. Press the foot controller or press start/stop button (for models equipped with the start/stop button) to start. windingbobbin_a18.jpg
11. When the bobbin seems full and begins spinning slowly, take your foot off the foot controller or press start/stop button (for models equipped with the start/stop button). windingbobbin_a19.jpg
12. Cut the thread, slide the bobbin winder shaft to the left and remove the bobbin. windingbobbin_a191.jpg
13. Slide the sewing speed controller back to its original position (for models equipped with the sewing speed controller). windingbobbin_a192.jpg


Caution Not winding the bobbin properly may cause the thread tension to loosen, and may break the needle.
woundbobbin3.jpg ac0993.jpg Wound evenly ac0994.jpg Wound poorly


Note
  • When the sewing machine is started or the handwheel is turned after winding the thread around the bobbin, the machine will make a clicking sound; this is not a malfunction.
  • The needle bar does not move when you slide the bobbin winding shaft to the right.

Sep 02, 2009 | Brother LS-2125 Mechanical Sewing Machine

2 Answers

define microprocessor


microprocessor, integrated circuit containing the arithmetic, logic, and control circuitry required to interpret and execute instructions from a computer program computer program, a series of instructions that a computer can interpret and execute; programs are also called software to distinguish them from hardware, the physical equipment used in data processing .
..... Click the link for more information.
. When combined with other integrated circuits integrated circuit (IC), electronic circuit built on a semiconductor substrate, usually one of single-crystal silicon. The circuit, often called a chip, is packaged in a hermetically sealed case or a nonhermetic plastic capsule, with leads extending from it for
..... Click the link for more information.
that provide storage for data and programs, often on a single semiconductor semiconductor, solid material whose electrical conductivity at room temperature is between that of a conductor and that of an insulator (see conduction ; insulation ).
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base to form a chip, the microprocessor becomes the heart of a small computer computer, device capable of performing a series of arithmetic or logical operations. A computer is distinguished from a calculating machine, such as an electronic calculator , by being able to store a computer program (so that it can repeat its operations and make
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, or microcomputer. Microprocessors are classified by the semiconductor technology of their design (TTL, transistor-transistor logic; CMOS, complementary-metal-oxide semiconductor; or ECL, emitter-coupled logic), by the width of the data format (4-bit, 8-bit, 16-bit, 32-bit, or 64-bit) they process; and by their instruction set (CISC, complex-instruction-set computer, or RISC, reduced-instruction-set computer; see RISC processor RISC processor [Reduced Instruction Set Computer], computer arithmetic-logic unit that uses a minimal instruction set, emphasizing the instructions used most often and optimizing them for the fastest possible execution.
..... Click the link for more information.
). TTL technology is most commonly used, while CMOS is favored for portable computers and other battery-powered devices because of its low power consumption. ECL is used where the need for its greater speed offsets the fact that it consumes the most power. Four-bit devices, while inexpensive, are good only for simple control applications; in general, the wider the data format, the faster and more expensive the device. CISC processors, which have 70 to several hundred instructions, are easier to program than RISC processors, but are slower and more expensive. Developed during the 1970s, the microprocessor became most visible as the central processor of the personal computer personal computer (PC), small but powerful computer primarily used in an office or home without the need to be connected to a larger computer. PCs evolved after the development of the microprocessor made possible the hobby-computer movement of the late 1970s, when
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. Microprocessors also play supporting roles within larger computers as smart controllers for graphics displays, storage devices, and high-speed printers. However, the vast majority of microprocessors are used to control everything from consumer appliances to smart weapons. The microprocessor has made possible the inexpensive hand-held electronic calculator calculator or calculating machine, device for performing numerical computations; it may be mechanical, electromechanical, or electronic. The electronic computer is also a calculator but performs other functions as well.
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, the digital wristwatch, and the electronic game electronic game, device or computer program that provides entertainment by challenging a person's eye-hand coordination or mental abilities. Made possible by the development of the microprocessor , electronic games are marketed in various formats, such as hand-held
..... Click the link for more information.
. Microprocessors are used to control consumer electronic devices, such as the programmable microwave oven and videocassette recorder camcorder combines a video camera and VCR in a single handheld machine.

The first commercially successful VCR, which used a Betamax format, was introduced in 1975. A competitive format, VHS (Video Home System), was introduced in the same year and became the dominant system.
..... Click the link for more information.
; to regulate gasoline consumption and antilock brakes in automobiles; to monitor alarm systems; and to operate automatic tracking and targeting systems in aircraft, tanks, and missiles and to control radar arrays that track and identify aircraft, among other defense

Mar 30, 2009 | Computers & Internet

1 Answer

lite on ltr-12101b driver


Check to see that the controller channel it's on is enabled in the system BIOS. These are usually all on by default but it can vary by mfr.

A couple of examples of controller & channel would be:
> Secondary IDE controller - slave
> SATA port 3

If that's not it then check the Master/Slave jumper on the drive. Usually a problem there will cause the machine not to boot or the whole channel to fail.

Feb 07, 2008 | Computers & Internet

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