Yorkville PSA1S - Manual (Page 10)

V02 M1449
SEE LAYOUT DIAGRAM
PRODUCTION NOTES
6. Place U10 and U12 aligned on the SIL pad.
No shorts to the heatsink are allowed.
1. RTV must be applied to the following caps: C22,C23,C24,C25,C26,C28,C36,C37,C50.
2. Apply RTV between C22 and C23 as well as between C24 and C25.
3. RTV must be applied to inductor L1.
7. Mount the TO-220 retaining spring as per the diagram below:
NOTE: NUT IS ON TOP!
4. PC8292 for V01 boards only:
Replaced R66 and R68 with #4599 jumpers
Replaced R65 and R67 with #6459 4V7 zener diodes.
Replaced R27 with #4839 150K 1/4W resistor.
5. Apply RTV between C53 and R102 and
bend C53 over R102 as in picture.
Outer heatsink
TO220 parts
8841
8581
PCB
8833 screw
Inner heatsink
4022 - Sil pad
3977 - Yellow spring