Power amps can be 32W RMS given they're class D, but there's also the question if the power supply can provide enough current for a 32W output....
Is that hum also present with the head disconnected ? Caps are unlikely to be the issue, since the ripple filter of both preamp and headphone amp...
SONY WM-DD9 Many of these units will be sold as working. However there are quite a few maintenance items that need to be done even if the unit is...
A video would be helpful, not sure I understood correctly what the actual problem is. Is the motor not spinning at all ? Or it turns but the...
That stamp with date I think is factory. Seen it on other DDs in a similar location, but also some have a very similar one on pulleys or...
That part goes on the REV flywheel bracket, see picture attached.
Indeed SONY never made any Direct Drive walkmans, all SONYs labeled DD are Disc Drive. There are only 2 Panasonic models that were truly direct...
Sounds like flutter to me. Have you measured the W&F figure with WFGUI ? Does the same problem occur when speed tune is turned on (PLL...
Never needed to replace any capacitor on these models, but there is always a possibility of some caps failing. Generally speaking, high W&F is...
My mistake I didn't pay attention, now I realise there are 2 gears and 2 retainers in the kit. So this is all that's needed for the repair....
Please add a link to the new hex reatiners on the thread, for reference. The up/down movement of the reel itself (the part that engages with the...
Yes, drill it so it's same diameter as the major spline diameter on the shaft, can even be a bit larger since the glue will fill the extra space....
The only way of repairing is enlarging the hole with a drillbit so it's no longer a press fit, then glue the gear to the shaft while keeping it...
Managed to find some pictures of an older repair of KT-AS1, which may be enough to post a thread later on. You can see in picture attached the...
Thanks for pointing it out ! Was actually surprised when I saw the video, but thought maybe he was lucky. Now it becomes obvious his also has the...
Ok, understand now about the dimensions. Thanks for sharing the drawing ! Tire height and hub flange OD are only important in case only the tire...
First of all, have the reel gears and retainers been checked ? It's a common problem on these. Recently seen a NOS RS1 on TechMoan's channel that...
There are some cracked gears, known issue on this model. Cracks are visible, see picture attached. New gear set is available here:...
The information in the service manual and those 2 threads are pretty clear. There are 2 outpus: 2.4V and 3.5V and both should be present when...
My mistake, I wanted to say auto-stop. Edited the post. Also, no need to quote previous posts. Rather type in box below and use the "Post Reply"...
Separate names with a comma.
