Sunday, 13 April 2014

Lg 21 fa2rg -ax fault finding and repairing

Processor ....... tda 9340 ps /n3/a/1923
Audio processor  ..... tda 9859
Sound output  .....  tda 7297
Vertical  ....... tda 4863 aj
H.output  ....... d 1803
Power tr. .......... str w 6754
Rgb output  .........     tda 6107 jf

Thursday, 20 March 2014

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

Sunday, 9 March 2014

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