Page
4 of a pictorial record of the restoration of a Sync II in June 2005
Step
17. The original Sync II linear PSU. This is not capable of being converted
to 220V and is not powerful enough for the later revision components we are fitting.
Step
18. Replace original linear PSU with higher rated unit that can be converted
to 220V operation. (Shown in 110V configuration). Standing next to the old PSU
shows how much more power the new PSU will be giving us.
Step
19.
A new 50A Switched Mode
PSU is mounted on a panel and looms are made for mains and DC voltage.
Step
20. We will need to keep those PSUs cool while we test the unit. This is the
old 110V fan panel complete with remains of 10 year old gaffer tape around the
right hand fan.
Step
21
Here is the restored fan panel with 220V fans.
Step
22 And finally here are the panels fitted in place and we are ready
for power up.
Next
we will instal the FM voices and run diagnostics.