A1 Control Sync

End is Labeled:
A-1 CONTROL     SYNC                              100-101120
N       L                   J              H         F                     C  B  A
G       R                  R              Y         Y                      T  T  T
r         e                  e                e         e                       P  P  P
n        d                  d                l           l


A1 PCB
 
 
blank blank blank blank blank
blank blank blank blank electro cap
blank header  rr----- TI SN74LS86N TI SN74LS37N M ULN2003A
F  9LS/74LS37 AM25LS194APC DM74LS00N AM25LS378PC header   rrrr----
blank 2000051   93427 pc  PROM? DM74LS04N F 74LS08PC header   rrr-rr--
blank AM25LS163PC TI SN74LS51N Beckman  899-1-R1k AM25LS378PC
blank AM25LS163PC TI SN74LS74AN TI SN74LS74J AM25LS163PC
blank AM25LS163PC Beckman  899-1-R1k DM74LS32N blank
blank S 74LS08N header rrrrcrc- TI SN74LS123N electro cap

Wire Wrap PC board marked  STI  021-100533   REV a