There are 2 threads about this already: https://stereo2go.com/forums/threads/sony-wm-f701c-f707-r707-no-power.10132/#post-82425...
Note there is a black lever that needs to go into the white plastic slider. You need to remove the plastic slider again and install it with that...
Can you mark on the schematic where is this C110 ? At first glance can't find it. Would make sense the recording models are different, since...
As a suggestion for others reading the thread, the magnetic part of the clutch should be removed when glueing the new gear. This way even if the...
Yes, you should be able to measure the solenoid's coil resistance. If it's open circuit, solenoid is defective. Let us know what happens with the...
FWD play can be engaged just by rotating the gears, but for REV play engagement you need to keep the solenoid engaged at a certain moment. There...
This is the reason why Marian won't make a new one, since it can't be installed DIY by most people. What's already available is enough though as...
It's certain something had been damaged or not installed correctly when removing/re-installing the PCB. I think there was another member having a...
A square cut belt can be used even if the original was round as long as thickness is the same. Don't know what profile original had, but it's...
For explanation of how the auto-stop system works on these mechanisms, please reffer to page 4 of WM-2 service manual. Is that detection lever...
Have a list at post #42 here: https://stereo2go.com/forums/threads/list-of-walkman-portable-recorders-common-problems.7535/page-3 But there may be...
Main problem on these units (KT-AS1/AS2) are the cracked table reel gears and reel table retainers. This is the complex part in the repair, it's...
If I see right, the REF pad doesn't have any wire soldered to it. There must be a wire going there, from underneath the board. The folded over...
Indeed there are situations where W&F may get worse after a period of use or may manifest only at the end of the tape (when takeup spool is full)....
When was the last time the belt was replaced ? Recently seen a WM-3 which has sat in storage for a couple of months (was fully serviced) began to...
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Couldn't download the service manual. If there are 2 photo detectors, it's indeed unlikely both have failed. However, given both reels should...
Have you checked that the photo transistor actually produces a signal ? Think the unit works when in service menu because in that mode the...
The WM-3 is a mistake (it does use TPS-L2 mech), think the intention was to list either WM-D3 or WM-DD3 both of which would use this part. The...
I suspect the same, although don't know how I could make a list unless I go through each service manual individually (some of which are not even...
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