TDA 7297 sound output

(1) output 7.5v
(2) outpur 7.5 v
(3) 15 v
(4) input 1.3 v
(5) 0v
(6) 4.9 v
(7) 4.9 v
(8) ground 0 v
(9) 0 v
(10) n/c
(11) 0 v
(12) input 1.3 v
(13) 15 v
(14) output 7.5 v
(15) output 7.6 v

In this ic pin no 6 is important if video is ok ,check for voltage

TB 1238 an

(1) 4.5 v
(2) 3.4 v
(3) 8.7 v
(4) 2.6 v
(5) ground 0 v
(6) 1.8 v
(7) 1.8 v
(8) 6.1 v
(9) 4.5 v
(10) 2.0 v
(11) 2.6 v
(12) 0 v
(13) 0v
(14) 2.5 v
(15) 2.5 v
(16) 2.5 v
(17) 9 v
(18) 2 v
(19) 2 v
(20) 2 v
(21) 6 v
(22) 4 v
(23) 4.5 v
(24) 0.5 v
(25) 1.5 v
(26) 4.4 v
(27) 4.4 v
(28) 8.7 v
(29) 3.5 v
(30) 1.5 v
(31) 0 v
(32) 1.5 v
(33) 0 v
(34) 1 v
(35) 2.7 v
(36) 4.8 v
(37) 2.3 v
(38) 2.3 v
(39) 2.3 v
(40) 6.5 v
(41) 1.4 v
(42) ground
(43) 3 v
(44) 2 v
(45) n/c
(46) 4.7 v
(47) 3.8 v
(48) 4.6 v
(49) ground
(50) 8 v
(51) 8 v
(52) 9 v
(53) 4.3 v
(54) 5.5 v
(55) 4 v
(56) 4.5 v

LA 7841 vertical output

(1) Ground 0 v
(2) 14 v
(3) 24 v
(4) 2.6 v
(5) 2.5 v
(6) line 23 v
(7) 1.5 v

Table fan 4 coil winding data

Stator ....   15 mm
turns ......   700
s.w.g.  .....  32

Table fan 4 coil

Statet .....    25 mm
turns .....      460
s.w.g. .......   28
resistance ...  45 ohms
coil farma ......  35mm x 35 mm

Table fan 4 coil

Stater 20 mm
turns 650
s.w.g. 30
resistance 85 ohms

coil farma 25 mm x 30 mm

resister value

brown   black  brown  silver
1           O      O      
 =100 ohms +/-  10%



brown   black   black       golden
  1           0                
= 10 ohms    +/-  5%



brown   black   golden   golden
  1         0           1/1o  

=    10  x  1/10
=   1  ohms     +/- 5%



brown   black   silver    golden
1            0        1/100       +/- 5%

=10 x  1/100
=0.1 ohms  +/- 5%



   5 COLOR

brown   red    orange     yellow    golden
1          2          3        0000        +/- 5%
=  1230000
=  1230 k ohms   +/-  5%




  6 color

brown    red    orange    yellow   golden    red
   1          2         3         0000      +/-5%       2
=  1230000
= 1230 k ohms  +/- 5%      2 watts



tolerance

F=    +/- 1%
G= +/-  2%
J =  +/-  5%
K =  +/- 10%
M = +/-  20%

carbon resister code

CO LOR                                  VALUE

BLACK                             0
BROWN                           1
RED                                  2
ORANGE                         3
YELLOW                        4
GREEN                            5
BLUE                              6
WHILET                        7
GREY                            8
WHITE                         9

SILVER                     +/_   10%
GOLDEN                 +/_   5%      

Exhaust fan 4 coil

Stater 15 mm
turns 82 x8 (per coil )
s.w.g 33
coil farma 7.5 inch x 9.5 inch
amps 0.7

Akai 22ns ninja

To open service mode from remot
menu-0203

to exit (press)
display

kansai kst-21nfb

command ic ...lc 863532
croma +     ..     la 76810
apower tr.   .... c5297
vertical ic ..    la 78040n
sound  ic    .... cd 5265
E.h.t. bsc 26 -t 1010 a
......      ............
tv on-off
symton

videocon 22R super slim

 sound ic    tda 7272,
str    cq 0765

akai 1415

akai 1415   detail
croma ic...  tb 1238
 sound ic... tda7297
 Vertical ic... La 7841

SHREE

first job