14 Jan
2013
14 Jan
'13
12:07 a.m.
On 1/13/2013 1:55 AM, tony duell wrote:
Good to know. The ones that are
in there seem to be in good shape,
they're still pretty rubbery and aren't degrading into goo like
everything in the 9810 did. But I'll need to replace them at some
point, I'm sure. That's a fairly easy repair, at least once the drive is
apart...
I've ordered some replacements along with some O-rings for the mag card
reader.
On the 9830, the tape drive has 4
little 'plugs' (PCBs with pins), one for the motors,
one for the optosensor, one for the solenoids/microswitches and one for the
preamp PCB. The 9865 may be different. In any case, tracing 2 wires can't
be hard :-)
Nope, just hadn't taken the time to do it yet :).
It is almost
working (and the few rubber parts in it seem to be good) --
I would strongly
recomend replacing the 2 'tyres' on the drive wheels. They're
size 119 O-rings IIRC, and are not hard to get. I assume the solenoid isn't burnt out ...
I
will definitely be checking that. I need to trace the wires back to
where they connect to the logic board first.
If there is 09864-66564 PCB in there, the the solenoids are connected between
pins on that board (open-collector stages on the board) to +12V. Shouldn't
be hard to check.
Spent some time debugging last night and narrowed it down to a faulty
transistor (Q8 on the schematic, for those keeping score at home). I've
ordered a replacement and hopefully that'll get everything humming again.
Thanks again for the help,
Josh
-tony