s/n

Important components of LCD television

that may occasionally develop faults

S.D

t-test

Sig. (2-tailed)

Decision

1

Capacitors

3.46

0.61

2.952

0.004

S

2

Inductors

3.49

0.62

2.486

0.014

S

3

Tuner

3.51

0.62

2.002

0.047

S

4

Integrated circuit

3.53

0.59

1.618

0.108

NS

5

Video and audio demodulators

3.51

0.63

1.407

0.161

NS

6

Transistors

3.54

0.60

1.080

0.282

NS

7

LCD screen

3.51

0.63

2.576

0.011

S

8

Speakers

3.50

0.64

1.875

0.063

NS

9

Deflection yoke

3.51

0.64

1.937

0.055

NS

10

Power button

3.52

0.62

2.069

0.040

S

11

Resistors

3.51

0.62

2.621

0.010

S

12

Connectors

3.54

0.57

1.754

0.081

NS

13

Diodes

3.51

0.59

1.516

0.132

NS

14

Ambient sensors

3.54

0.56

1.166

0.246

NS

15

IR receivers

3.50

0.59

1.448

0.150

NS

16

Carbon

3.51

0.59

1.482

0.140

NS

17

Sockets

3.51

0.63

2.542

0.012

S

18

Fuse

3.51

0.61

2.072

0.040

S

19

Coils

3.49

0.62

2.519

0.013

S

20

Photocoupler

3.50

0.59

2.041

0.043

S

21

Varistor

3.49

0.61

2.565

0.011

S

22

Filter

3.50

0.59

2.041

0.043

S

23

Deflection coils

3.51

0.61

2.633

0.009

S

24

Ferrite bead

3.47

0.63

1.249

0.213

NS

25

Vibrator crystal

3.47

0.62

1.270

0.206

NS

26

Ultrafast rectifiers

3.50

0.62

0.604

0.547

NS

27

Supply cord

3.49

0.58

1.442

0.151

NS

28

Light emitting diodes

3.49

0.61

0.785

0.433

NS

29

X/Y capacitors

3.49

0.59

2.007

0.046

S

30

Secondary protection fuses

3.50

0.59

0.865

0.388

NS

31

Hook

3.50

0.62

2.553

0.012

S

32

Remote controller

3.52

0.60

1.522

0.130

NS