SONY WALKMAN cassette player WM-EX70 Operation confirmed
Description
【Product Name】 SONY WALKMAN High-Quality Playback Only Cassette Walkman WM-EX70
Navy painted finish, with almost no scratches and in very clean condition.
【Product Operation: Serviced and Working】
After service, the unit's operation has been confirmed using a spare gumstick battery.
The crucial pinch roller has been replaced with a new one, so there are no dents, smooth or shiny surfaces, and it performs perfectly.
The playback sound is clear, with no excessive noise, and it can reproduce very good sound.
Playback, stop, fast forward, rewind, and reverse functions have been tested for a long period of time.
FWD and REV playback speeds are stable and normal, and the speed difference has been measured and confirmed to be within acceptable limits.
There is no noticeable sound fluctuation, and the wow and flutter measurement results are good.
All operation buttons and selector buttons on the unit have been tested.
The volume control is free of crackling noises.
It also has a 3.5mm standard earphone jack, so you can enjoy it with commercially available earphones.
Please refrain from using tapes longer than 90 minutes, severely deteriorated tapes, or low-quality tapes from overseas, as this may cause sound fluctuations, playback failure, or malfunction.
[Maintenance Details]
Exterior cleaned and disinfected with alcohol wipes for a thorough finish.
High-quality, high-durability drive belt replaced (no low-quality generic parts are used).
Flywheel replaced.
Flywheel V-belt groove cleaned and precision polished.
Pinch roller replaced.
Motor disassembled and serviced.
Silicone grease reapplied to all gear rotation parts.
Heads precisely polished to a mirror finish and cleaned.
Oxide film removed from all metal contact points for improved conductivity.
Demagnetized with TEAC head demagnetizer E-3.
Wow and flutter measured and speed adjusted using ABEX 3KHz -10dB Flutter & Speed TEST TAPE.
Winding torque measured during playback.
-etc.-
[Accessories]
Everything shown in the photos is included.
Navy painted finish, with almost no scratches and in very clean condition.
【Product Operation: Serviced and Working】
After service, the unit's operation has been confirmed using a spare gumstick battery.
The crucial pinch roller has been replaced with a new one, so there are no dents, smooth or shiny surfaces, and it performs perfectly.
The playback sound is clear, with no excessive noise, and it can reproduce very good sound.
Playback, stop, fast forward, rewind, and reverse functions have been tested for a long period of time.
FWD and REV playback speeds are stable and normal, and the speed difference has been measured and confirmed to be within acceptable limits.
There is no noticeable sound fluctuation, and the wow and flutter measurement results are good.
All operation buttons and selector buttons on the unit have been tested.
The volume control is free of crackling noises.
It also has a 3.5mm standard earphone jack, so you can enjoy it with commercially available earphones.
Please refrain from using tapes longer than 90 minutes, severely deteriorated tapes, or low-quality tapes from overseas, as this may cause sound fluctuations, playback failure, or malfunction.
[Maintenance Details]
Exterior cleaned and disinfected with alcohol wipes for a thorough finish.
High-quality, high-durability drive belt replaced (no low-quality generic parts are used).
Flywheel replaced.
Flywheel V-belt groove cleaned and precision polished.
Pinch roller replaced.
Motor disassembled and serviced.
Silicone grease reapplied to all gear rotation parts.
Heads precisely polished to a mirror finish and cleaned.
Oxide film removed from all metal contact points for improved conductivity.
Demagnetized with TEAC head demagnetizer E-3.
Wow and flutter measured and speed adjusted using ABEX 3KHz -10dB Flutter & Speed TEST TAPE.
Winding torque measured during playback.
-etc.-
[Accessories]
Everything shown in the photos is included.