SONY WALKMAN cassette player WM-EX1 operation confirmed

Description


[Product appearance: Good condition]
There are some signs of use such as scuffs and small scratches, but there are no noticeable scratches or damage, and the appearance is generally beautiful.

[Product operation: Maintenance operation product]
After maintenance, operation has been confirmed using an external AA battery box, and there is no problem with using gum batteries.
The playback sound is clear, without excessive noise, and can play very good sound
Play, stop, fast forward, rewind, and auto reverse (reverse) have been tested for long periods of time.
The playback speed of both FWD and REV is stable and normal, and the speed difference has been measured and confirmed to be within the allowable range.
There is no noticeable noise in both FWD and REV, and the results of wow and flutter measurements are good.
Each operation button and each switching button on the main unit has been tested.
Volume Volume adjustment has no creaking sound
The operation of the genuine remote control and the sound output from the earphones are working well without any problems.
Equipped with a 3.5mm standard earphone jack, you can also enjoy using commercially available earphones.
Due to the risk of malfunction, we do not recommend using tapes that are longer than 90 minutes, tapes that have deteriorated significantly over time, or inferior quality tapes made overseas.

[Maintenance details]
Disinfect and clean the exterior and accessories with alcohol wipes for a clean finish.
Carefully clean dust and dirt with a cleaning agent specifically designed for electronic parts.
Replacement of high quality, highly durable drive belt (no inferior general purpose belts used)
New pinch roller replacement
Capstan shaft precision polishing and cleaning
Reapply silicone grease to each gear rotating part.
Precise polishing and cleaning of the head to a mirror state
Removal of oxide film from each metal contact area and improvement of current conduction
Demagnetized with TEAC head demagnetizer E-3
Wow and flutter measurement and speed adjustment with ABEX 3KHz -10dB Flutter & Speed ​​TEST TAPE
Winding torque measurement during playback
-etc.-

【accessories】
Everything in the photo is
A stand for product display is not included.