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



.....................................................

H output transistor

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

Global india GI-21 R7TV fault finding and repairing

Processer  .......   toshiba hay 23  / 8873 csng 6 v 09
Eht  ..............    bsc 25  - 01 n 401 cd
H output  ........  D 1555
Power tr.  ........  d 5017
Vertical  ........   stv 8172 a     or    LA 78040
Sound output  ........ tda 7266 
....                    ..   .... .... hcf  4053 be