Check it out at
http://photos.groups.yahoo.com/group/amateur-repairs/lst
Click on Heathstuff.
layout is
Tektronix
2215
Signal/One Tektronix
CX7A TDS-210
Tektronix Heath
2215 SB-303
Heath Heath Heath
SB-102 SB-303 SB-303
The TDS-210 was bought "near-new", everything else was
"no-guarentees". I repaired the SB-303's and have them working
nicely. I've fixed a couple things in the CX7A.