Please disregard what i posted earlier. It was the solenoid prongs, it was sunken in just enough to not make the connection when i soldered the...
Hello again, This Sony WM-EX1 has not been working for a few months now. The main problem is that the machine no longer triggers into playback...
Thanks for giving me a very comprehensive guide. I have followed your guide and it helped getting the tape speed to be back into its range. I...
Thanks for the detailed guide. I will also check the DIN RMS value in WFGUI like you suggested. is it okay if I start directly with 2000 grit? I...
Hello, I decided to replace both pinch rollers with the ones from my JX505 donor unit. As the machine currently sits, I am measuring around a...
Actually, i only tested one direction of the motor torque because at the time i figured that the current is exactly at 250mA when stopped by hand...
Thanks for the reply, I have removed both capstans, cleaned out the grease and added watch oil to bearings now. I decided to tape up the top part...
Hello again, I have installed the new belt and adjusted tape speed, i noticed that the tape speed on rew side is at 3070Hz and fwd side is at...
Thanks a lot for the detailed explanation, it helped me understand the ANSI/DIN differences and the correct calibration levels much better. I’m...
I'll get HPR azimuth calibration cassette. I'm thinking of getting the 10kHz calibration cassette and 400Hz Dolby calibration cassette. I can see...
I think it's possibly a design error because i did find other problems while transferring over to new pcb. I found that 2 of the soldering pads...
Leaving an update here, i have finally found the problem and it was my fault here. [ATTACH] Basically, when i was transferring the sensor over...
Hello again, i am leaving another update here. First, i found out that one lever of the mechanism was a little bent and i replaced it with jx505...
Just leaving an update here. Im thinking of doing a clock adjustment and then i will test the machine again. I just found out that the machine...
Hello again, i just checked pin 9 with an oscilloscope i just bought and there is no square wave form even after i pressed 'PLAY' button. However,...
Hi, thanks for the insight. The tape lid switch is working correctly, with open lid buttons won't work and with it closed buttons will work. I...
I have found the culprit here. Apparently, i shorted the solenoid wire when replacing the motor. [ATTACH] [ATTACH] As you can see the wires were...
Upon further inspection with multimeter i found that there is continuity from positive post to ground screws. [ATTACH] My question is should...
Thanks for the reply. i decided to switch the solenoid wires and basically i got a dead short, the voltage measured from battery terminals became...
Hello again, After a long hibernation of this project, i decided to do a pcb swap to eliminate the possibility of corroded vias. [ATTACH] I...
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