Sharp VC-H993U VHS VCR "tape schematic" Questions

...the unit shuts off. Tape will eject pk. This might be the result of a bad tape sensor or capstand switch. use a schematic and find these items and check them with an multimeter for proper ...

...tape sensor malfunctioning. You will need a schematic, and multimeter, and a LED power meter to work on this problem. When the tape loads it causes an LED sensor to become blocked and then the sensor ...

...schematic would definitely be a plus here, as you could then check the logic levels from the sensor(s), as the "light path" is interupted. If voltage levels changed properly, and no tape load was ...

...tape. HELLLPP...... Hello Brunner, The record heads might be malfunctioning or the circuitry that connects to the record heads might be malfunctioning. What you need to do is with an oscilloscope see ...

...tape in I heard a loud noise and suspect something snapped, probably a nylon piece. I uplugged it right away, but it was too late. I need a schematic to figure out what has broken and if it can be ...

tape is loading and trying to go into play mode. This looks more like a mechanical problem then an electronics issue. However I would not rule out have to take voltage measurements to confirm that the

...tape). Often, these mechanisms were gear driven. Timing on these gears is often critical, and being off by just one tooth would cause an error. For more ideas, you can try this website: ( ...

...to attack this problem. I have access to meters and scopes. Can you email me a schematic of the section I will be working on. Thanks Joe Wagner Possibly a tape transport error from what I

...schematic so i dont know how to proceed clean the heads; often, heads that will play back a pre-recorded tape may not record because of dirt. This may be a stupid answer...but try switching the front ...

schematic needed to fix machine that rejects tapes Mode selectswitch first in high priority to clean important cleaning is the first thing by the Philips g110 running mechanism if its not function ...