Question about Kenwood KDC-MP338 Car CD Player

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How does the usb cover come off usb port in front of unit

How do you remove usb cover plate to plug in a usb device ?

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MP 338 doesn't come with a usb just a black cover that shows where the usb would be if it had one.

Posted on Jan 01, 2014

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Posted on Jan 02, 2017

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How to open APC UPB10 battery pack to change the chargeable battery?


1. Remove front cover by sliding front panel down.
2. Install 4 new AAA (LR03) batteries (sold separately) and replace cover.
3. Turn unit on by sliding ON/OFF switch towards USB port. LED will
illuminate.
4. Plug USB charging cable (sold separately) into the Emergency Power Pack's USB port.
5. Plug the other end into your mobile device. (Make sure you do this last, as a few devices will not recognize the charge otherwise). Your device is now being charged

Apr 27, 2014 | Computers & Internet

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Ultra SuperSpeed USB


usb speeds b> A USB, or Universal Serial Bus, is the brainchild of Intel developer Ajay Bhatt. USB is useful for transmitting data and power to devices. USB cables are widely used in 2010 to connect computers to such devices as printers, cameras and flash drives. While the USB port was initially developed for computers, it has become standard for video game consoles, smart phones, PDAs; it can also function as power cords for these devices.
Unit Load Capacity
USB comes in 1.0, 2.0 and 3.0 versions. Each provides between 4.75 and 5.25 volts (V) of power that travels between one wired line. Various devices may draw this amount of power from that single, wired line. A maximum of five unit loads can be drawn from a USB 2.0 port, however six unit loads can be drawn from a USB 3.0 port, making it capable of delivering more power to devices. USB devices are configured to support a minimum of 100 milliamps (mA) times the number of powered ports it contains (200mA for one port, 300mA for two ports, etc.). b> Charging Devices b> Many devices can draw power to recharge their batteries or can function off of power currents running through a USB port cord. Superspeed USB ports run off a 3.0 platform and optimize power usage to provide the minimum amount of energy the device needs to recharge or run. New powering modes allow USB ports to supply power and communication (data transfer) concurrently. A USB Charging Downstream Port can supply up to 1.5 amps (A) at low-bandwidth transfer rates and 900mA at high bandwidth rates. A portable device such as a phone or PDA can draw up to 1.8 A from a Dedicated Charging Port on a USB 2.0 or higher device. In 2009, major cell phone manufacturers like Nokia, Motorola and Samsung agreed upon a standard, universal micro-USB charger for all their phones. In time, this will eliminate the need for manufacturers to provide charging cables with their phones. This micro-USB device has been adopted by the International Telecommunication Union as its universal mobile phone charger solution. When a device requires more power than can be delivered by a single USB port, that device may be charged with a multi-ported USB. External hard drives, for example, can be powered by a USB cable that connects to an external power supply on one end and to a device on the other. b> Powered USB b> A powered USB is a self-powered USB that uses additional power lines than standard USB ports to deliver more electrical current to a device. It uses four extra pins to supply 6 A at either 5 V, 12 V or 24 V to attached devices. Powered USBs are used to power retail devices like barcode scanners, printers, pin pads and signature capture devices. These USBs consist of two ports: a top one which accepts a USB cable and a bottom one which accepts a power cord. The powered USB allows devices to draw more power from a USB and not require an external power source to operate.
USB Power Options
b> According to Everythingusb.com, the Universal Serial Bus (USB) is a concept that was originally designed as a connection for smartphones to computers in the 1990s. Since then, the USB has evolved from the older USB 1.0 and 2.0 designs to the faster USB 3.0 model, which is also called the "Superspeed USB." A benefit of USB is that it can be used to power devices without requiring any additional power cables or plug packs.

Low-Power USB
Low-power USB devices typically consume 100 milliampere or less from the USB bus. This is called a single-load unit. USB 1.0 and 2.0 devices have a single-load unit of 100 milliampere, and for the newer USB 3.0, the single-load unit is redefined to 150 milliampere. Low-power USB devices can be plugged into any USB host or hub port. Low power bus powered devices use the so-called "V bus" pin to draw its power and run on a voltage of between 4.40 volts up to 5.25 volts. A low drop-out regulator is required for most 3.3 volt devices. b> High-Power USB b> High-power USB 2.0 devices consume between 101 milliampere and 500 milliampere (1 to 5 load units) to run on. USB 3.0 supports power consumption of up to 900 milliampere (6 load units). These devices can be plugged in to any USB port, but if you are using a USB hub, the device will only be able to draw 100 milliampere unless the hub is self-powered. High-power USB devices run on a minimum of 4.40 volts. b> Self-Powered USB b> Two types of self powered USB devices exist: true self-powered devices that rely completely on their own power supply, and hybrid self-powered devices that also draw some current from the USB bus. Hybrid self-powered USB devices typically draw up to one load unit from the bus and use their own external source for the rest of their power. Most of these devices have a safety feature to ensure that they don't try to draw more power from the bus, should the external source fail. High Speed USB Port Since 2002, Microsoft has supported high-speed USB ports in the Windows XP operating system. Prior to 2002, computers and operating systems used the USB 1.1 standard, with its 12Mbps maximum data transfer rates. USB 2.0, also known as "Hi-Speed," pushes the maximum data transfer speed to 480Mbps. To take advantage of the higher speeds, you'll need to install a USB 2.0 card in your computer. In most cases, desktop users will need to install an internal card, while laptop users with PC Card or ExpressCard slots may install external cards.
Purchase an internal USB card or internal USB drive bay. Shut down your computer. Remove all cables and peripheral devices. Remove the left side panel (when facing the front of the case). Remove any screws or adjust any latches. The method of removing your side panel will vary according to the type of case you have. If you are unsure of how to remove your side panel, see your case or computer documentation. Attach the anti-static wrist bracelet's clip to a metal object. Strap the bracelet to your wrist. Locate an empty card slot. Remove the card slot cover by unscrewing the screw and lifting the cover, if applicable. Line up the hardware with the slot to ensure that you are inserting it in the correct direction. Insert the card into the slot until you hear a click. Do not force the card. Remove it if you're having problems. Then line up the card with the slot again and try to insert it again. Secure the card into the slot with the slot cover screw you removed earlier. Replace the side panel. Screw in any screws you removed earlier. Attach all cables and peripheral devices to your computer. Restart the computer. Windows will automatically detect your new high-speed USB port. b> Install an External Card b> Turn on your computer. Locate an available PC Card or ExpressCard slot. Insert the card into the slot. The card will click when seated. Allow your operating system time to detect the high-speed USB port and to install the drivers required. Hope this helps.

b>

Oct 06, 2012 | Ultra Products Ultra U12-40528 SuperSpeed...

1 Answer

Keyboard and touchpad not working on macbook a1181 but power botton work fine


I've found the same problem - keyboard, touchpad and mouse buttons not responsive - and was almost ordering a new KB/touchpad replacement, thinking they were bad. I searched the internet and found that people had already done that with negative results. Studying the KB/touchpad circuit board I found that the controller was a USB device. So I had an idea, why not test it using one external USB port. I soldered the proper wires to a USB plug and connected it to a side USB port and, voil?!, it worked. Then, I removed 2 inductors from the original D+ and D- lines to isolate the KB/touchpad connector and soldered 2 pieces of wire to one of the side USB ports - in sequence, I covered that port with a small aluminum plate to avoid it being used for another device. Reassembled the computer and everything is working fine, back to normal (with one less USB port, of course).

Jul 07, 2011 | Apple MacBook 13 inch A1181, A1185, MA561,...

1 Answer

Touch screen not working


It could be a connection problem. Try this steps:
1) Turn off your Ericsson, then turn over the unit. Slide down the battery door and pull it off the unit. Lift the battery out of its compartment and set it aside.
2) Run your fingernail along the seam where back cover meets the body of the unit to pop it out of place. Remove the back cover and set it aside.
3) Remove the two screws from the top corners of the back of the phone.
4) Turn your phone right-side up and run your fingernail along the seam where the front cover meets the body of the phone. Pop the cover out of place and set it aside.
5) Lift the keypad, located just below the screen, up from its side and place it to the side of the unit.
6) Remove the two screws on the metal plate just underneath where the keypad used to sit. Remove the metal plate and set it aside. The orange screen cable will now be visible just below the screen, connected to a port on the green circuit board.
7) Unplug the screen cable and plug it back in, making sure it is secure in the port. This should fix the connection problem with the screen. Reverse the steps for reassembly.

Jun 27, 2011 | Sony Ericsson P1i

1 Answer

If I Insert USB in the USB entrance before I start my PC it will hang up until i remove it I think problem in USB entrance how can I solve it? thnx


It is my pleasure to guide you.

A computer has USB ports on the back and on the front of most modern units. USB is what is called "usb hot swap". The pc can be on when the USB devices are plugged in or unplugged and the OS should recognize it. So if the pc hangs up there may be something else wrong.

1. Try unplugging all USB devices, boot the pc without any plugged in. Choose one device and plug it into each port. Wait until the OS recognizes the device. You will see a box come up with different options, one is at the bottom that allows you to open explorer. You can pick it or just hit the escape key to void the selection. (You do not need to reboot to try the rest of the USB Ports) Do this to all USB ports, both front and back. I know this will take time but you need to eliminate all the USB ports to make sure they are not the problem. Once you know that the USB ports are all good then the next step is

2. Now take each device and plug one at a time into any of the ports. I would use one on the front of the pc, makes it easier. Again let the OS see that it is there and prompt you for action.

3. If all your devices work after this testing, then plug everything back in and reboot the pc.

4. Have you made any changes in the BIOS? May be reset the BIOS lately?

This may sound like strange question but have you installed the OS to the USB device? Some Devices/OS's/PC's allow booting from USB devices. If the computer is trying to boot from USB it will cause terrible slow down in perfromance, check your "Boot Priority" Settings in the BIOS? The boot priority should list the HD Drive as the first boot drive.

Good luck and please post back that you are successful, giving thumbs up, or that I can be more help.

Jun 10, 2011 | Office Equipment & Supplies

1 Answer

Usb ports not working. power is on but computer doesnt detect anything plugged in. win xp


Hi..

Did you try the other port of your motherboard. Do not use the front USB socket of your computer, you need to plug i directly to your motherboard ports. If the same things happen. you need troubleshooting.

moz-screenshot.pngTry uninstall and reinstall of usb drivers

Remove and reinstall all USB controllers
To remove and reinstall all USB controllers, follow these steps:
Click Start, click Run, type sysdm.cpl in the Open box, and then click OK.
Click the Hardware tab.
Click the Device Manager button.
Expand Universal Serial Bus controllers.
Right-click every device under the Universal Serial Bus controllers node, and then click Uninstall to remove them one at a time.
Restart the computer, and then reinstall the USB controllers.
Plug in the removable USB storage device, and then test to make sure that the issue is resolved.

Good luck!

ICmanServer

Jul 31, 2009 | EliteGroup Computers & Internet

2 Answers

NS-DV2G XP CONNECTION PROBLEMS


Hi,

Mine did this too when I first tried to connect it. Turned out the small pcbd under the top half of the back cover was unplugged or mis pinned. It looks like it's just a pressure fit for that connector holding it together so it might be pretty easy for the board to come loose. It's worth a peek to see if that is the case in your unit. Easy to check, just remove battery cover and battery and two screws on the top back plate, small board shoudl be securely seated. Good luck, hope this works

Jun 07, 2008 | Insignia NS-DV2G MP3 Player

1 Answer

Front assembly replacement


remove all straps and battery. remove the 6.1 side plate there are 2 screws under plate 3 on bottom 1 in usb 1 above lcd . remove usb housing . gently pull up on bottom by dock adapter to clear plug then cover should pull off . then remove lcd gently remove clasp that hold lcd ribon . under lcd there is three screws pop flash up slide housing off . battery door must be open to remove rear housing.

Apr 25, 2008 | Kodak EasyShare Z612 Digital Camera

1 Answer

Adding a remote USB port


I solved my own problem.1 I removed radio1.gif face 2 I removed back cover of radio face to expose USB solder joints.3 I drilled a hole in the back cover of radio face over solder joints 4 I drilled a hole in front cover of radio behind face plate and lined it up with hole in back cover of face plate.5 I cut the male plug off of a USB extension cord and ran it through factory notch on the back of radio,through drilled hole on front panel of radio, thruogh drilled hole on back cover of radio face and soldered wires to back side of USB plug in. Wire colors from top to bottom are Red, White, Green, Black. Solder sheild to any of the three larger solder joints next to these connections. Make sure wires are not touching any other connections. Put radio back together and add screw that locks face to radio. Face can no longer be removed with this wire added. Now I can plug in my 8gb memory stick1.gif,hide it under the dash and have a clean looking installation.

Jan 17, 2008 | Kenwood KDC-MP435U CD Player

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