TH25AT.10 The schematic for the TH-25AT shows: R18-R21 R25 R26,27 R28 R36 TH-25A M,M2 -12 O X X X X TH-25A M3,M4,X -23 O X X O X TH-25AT K -11 O O X X X TH-25AT M,M2 -12 O X X X X TH-25E T -52 X X O O O TH-25E W -62 X O O O O And the schematic for the TH-45AT shows: R19-R21 R22 R23 R25 R26,27 R28 R36 TH-45A M1,M2,X -21 O O O X X O X TH-45A M3,M4 -22 O X O X X X X TH-45AT K -10 O X O X X O X TH-45AT M1,M2 -21 O O O X X O X TH-45AT M3,M4 -22 O X O X X X X TH-45E T -51 X O X X O X O TH-45E W -61 X O X O O O O where O means USED, and X means NOT USED. CONTINUED IN FILE TH25AT.5