Sharp MD-MT770-A MiniDisc Recorder

Sharp MD-MT770-A MiniDisc RecorderSharp MD MT770 A MiniDisc player recorder (blue). Quantity 1. Used. * No other items, batteries, or accessories are included in the sale * ** This sale does not include any way of powering the device. Unless otherwise stated, this device requires a special kind of rechargeable 'gumstick' battery that is inserted into the device. Please either ensure you are familiar with this requirement in advance, or reach out to us if you are unsure. ** Summary:

Sharp MD-MT770-A MiniDisc player/recorder (blue). Quantity 1. Used.
* No other items, batteries, or accessories are included in the sale *
** This sale does not include any way of powering the device. Unless otherwise stated, this device requires a special kind of rechargeable 'gumstick' battery that is inserted into the device. Please either ensure you are familiar with this requirement in advance, or reach out to us if you are unsure. **

Summary:
Sold for Parts Only / Not Working.
This is a DAMAGED device and may lose some or all of the functionality it had at the time of testing.
It can read and play discs, but only tracks right at the beginning of the disc, and only for about a minute before it has issues and gives up.

Device:
MD-MT770-A

Product Condition (Appearance):
Display Panel : No callouts.
Front Face : No callouts.
Sides : A few tiny marks.
Rear Face : Some scratches, marks, and scuffs.
Internal Battery Compartment : No callouts
All external facing screws present and tightened.

Product Condition (Functionality):
Sold for Parts Only / Not Working.
It can read and play discs, but only tracks right at the beginning of the disc, and only for about a minute before it has issues and gives up.
See test results and photographs for detail.

Power Via Rechargeable Gumstick Battery : OK *** Rechargeable gumstick battery is not included in the sale ***
Power Via External AA Battery Case : NOT TESTED *** External AA battery case is not included in the sale ***
Power Via AC Adapter : NOT TESTED *** AC adapter is not included in the sale ***

Audio Playback : It can read and play discs, but only tracks right at the beginning of the disc, and only for about a minute before it has issues and gives up.
Audio Output (Headphone Jack) : OK
Character Display : OK

Recording Via External Microphone (Analogue) : NOT TESTED
Recording Via LINE IN (Analogue) : NOT TESTED
Recording Via Optical Cable (Digital) : NOT TESTED

Volume Up : OK
Volume Down : OK
Sync : NOT TESTED
Mode : OK
Play/Pause : OK
Previous Track/Next Track/Rec Level : FAIL - the device fails when trying to move the laser pickup beyond a certain point
Stop/Off : OK

Disc Insert : OK
Disc Eject : OK

Product Information:
Released in 2001, the Sharp MD-MT770 has both playback and recording functionality. 
It supports MDLP.
It weighs 103 grams without a battery or disc installed. 
It has a 3.5 mm headphone jack for audio output.

Hopefully this information is clear and covers everything you need, but don't hesitate to reach out if you have any questions.