Question about Koss KS3112 DVD Player

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Will not power up

By pressing power switch on, red status light comes on however no display and unit will not open dvd tray. Internal fuse 1.25 amp ok. All voltages ok except - 5 volts ( no voltage present ). Need service manual with schematic or help. Thanks. m.dougherty@videotron.ca

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  • Koss Master
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Checa si hay filtros secos en la fuente puede ser uno de 50v a 100mf.

Posted on Mar 25, 2008

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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2 Answers

When I turn the power on, the power light comes on but there is nothing on the display of the DVD player. If I play with the power switch a few times, then the display will comes on and the I can...


The DVD player unit have a power switch that have cold soldering circuitries joints,u have tools like soldering iron and roll of solder also can do basic soldering work?Yes.Take the unit aparts and do resoldering work to the power switch.If u can't do soldering work and don't have tools,just replaced the DVD player unit,buy a new one.It cheap these day.The new one only will cost u like $40 brand new,not worth it,if u require hiring a repair shop to do the work for the unit.

Apr 27, 2011 | Apex Digital AD-1600 DVD Player

1 Answer

Tray won't open


Hi

You'll need to press the manual eject button on your DVD drive. Locate a small hole located underneath the DVD drawer. Use a safety pin or a paper clip & insert it into the hole. Push the pin gently in the hole and it will open partially. Pull the tray and check for any obstructions in the tray's path.

Daniel Scott

Jun 07, 2010 | BenQ (1650V0C4) Internal DVD Drive

3 Answers

How do I enable this player to become multi-region? I believe it's based on a Pioneer rather than one of Teac's own designs.



Hi

Thanks for using FixYa. To make it multiregional please follow these step by step instructions using your remote control:


1. Switch power on

2. Open the DVD tray (leave it open with no DVD in it)
3. Press "stop"
4. Press "734466"
5. Use cursor to scroll up or down until it says "Region 0"
6. Press "OK/Enter"
7. Switch power off
8. Switch power on



It show now play all region DVD’s. Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks
Rylee

Jan 30, 2010 | Teac DV-H500 DVD Player

2 Answers

I have a RICOH FT 4022 Copier and when I switch it displays U 6


Ricoh 4022, 4027 Код ошибки Описание C1 Front door open C2 Exit door C3 Cassette cover C4 LCT cover C5 Sorter open or not latched to machine, or fuse 304 on DC power board C6 ADF cover C7 Right side cover E101 Exposure lamp too long E103 Frequency problem E120, 121 Scan home problem E124 Scan drive problem E140 Lens home, or fuse 303 on DC board E141-143 Lens home sensor, fuse 303 on DC board E144, 145 Mirror sensor, fuse 303 on DC board E191 Image density sensor error E302 Charge roller problem or HVT problem E346 Bias loss E351 Image density sensor problem E352 TD sensor error E353 Vsp problem. Dirty or bad image density sensor E354 Vsg problem. Same as E353 E355 Toner density sensor problem E356 Same as 355 E405 Transfer belt or charge roller drive E440 Main drive E442 Drum charge thermistor E501 Upper lift motor E502 Lower lift motor E503 1st tray motor E504 2nd tray motor E505 3rd tray motor E506 Tray main motor drive problem E507 LCTl lift motor E522-525 Jogger sensor E541 Fuser thermistor E542 Fuser temperature too low E543 Fuser temperature too high E544 Fuser temperature too high E547 Fuser lamp won't shut off E548 Fuser temperature too high or too low E620 Communication problem between main board and ARDF E621 Communication problem between main board and sorter E623 Communication problem between main board and paper trays E720 Sorter stapler timing roller sensor E721 Sorter stapler bin lift sensor E722 Sorter stapler jogger sensor E723 Sorter stapler grip sensor E724 Sorter stapler error E900, 901 Copy counter U2 Key counter U6 Fuser unit not installed properly U7 Duplex unit

Aug 24, 2009 | Office Equipment & Supplies

1 Answer

Red light on steady


If the ink light is on steady red, that means the black or color ink cartridge is nearly empty. Obtain a replacement black or color ink cartridge. To know which cartridge is out of ink, check the ink levels using EPSON Status Monitor 3 (Windows) or EPSON Status Monitor (Macintosh). If you just replaced the cartridges before you got the error light, that means that the replacement cartridge is not recognized by your printer. Please reseat cartridges. Then turn the printer on and off. The cartridges maybe bad also.
If the paper light is on steady red, try to reload 10-20 sheets of regular paper into your printer. When printing on CD/DVD, CD/DVD tray is not inserted in the printer. Insert the CD/DVD tray in the printer and press the paper button.Could also be that the printer has loaded more than one sheet of paper at a time. Load paper in the sheet feeder, and then press the paper button to resume printing. If the CD/DVD guide is open, close the CD/DVD guide, load paper and then press the paper button.




May 17, 2009 | Epson STYLUS R230 InkJet Photo Printer

1 Answer

I have a denon 1720 dvd player. When you press the power button it comes on for 3 seconds then the power button turns back red and powers off. If you press the eject button within the 3 seconds the tray...


same equql problem....?????

Can you help?



i have a denon 1720 dvd player. When you press the power button it comes on for 3 seconds then the power button turns back red and powers off. If you press the eject button within the 3 seconds the tray opens and the power button stays green. As soon as you close the tray the power agin goes to red. i have a denon 1720 dvd player. When you press the power button it comes on for 3 seconds then the power button turns back red and powers off. If you press the eject button within the 3 seconds the tray opens and the power button stays green. As soon as you close the tray the power agin goes to red. Can you help? thanks thanks

Dec 21, 2008 | Televison & Video

1 Answer

Won't Turn On


Try reseting the system. Instructions below.


DVD reset procedure for TH-A10
1. Make sure there is no Disc in the tray.
2. Disconnect the power cord.
3. While Pressing "Stop" and "Open/Close" buttons together reconnect the power cord
4. Front display will show "TEST0".
5. Then the display will change to : "TEST1 JC2".
6. Press "Enter" button on the remote, display will show "EEPROM"
7. Press "Power" to shut unit off.
8. Reset is finished

Jun 01, 2008 | JVC TH-A10 System

2 Answers

My dvd/cd try does not open when i press the eject button say "locked"


That means your trays are on Child Lock (this is a safety feature to prevent any accidental opening or closing of disc trays by small children when listening to your favorite tracks.)
To solve this, simply switch off your radio to Standby and hold the power button...whilst holding the power button, press open on the tray that is locked....the system will display UNLOCKED on the display of your hi-fi.

That should be it. To lock the tray....repeat the same process on the particular tray u want locked.

May 21, 2007 | JVC DX-T9 System

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