Ic equivalent number with use in section detail

ALL IC'S  EQUIVALENT NUMBER DECIDED BY PRACTICE

(1) stv 8172 a .. vertical  output  ...............equivalent n. La 78040
(2)  md 2103 dfn  ..horizontal output  ............ equivalent n. Md 1803 fx 
(3) C 4237 power transistor   ..............  equivalent n. D 1802



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H output transistor

1.
2. D 2499
3. D 2578
4. MD 2310 fx
5. 6810