Contents of LCD TV Standard Repair Process Detail Technical Manual

No.

Error symptom

Content

Page

Remarks

 

 

 

 

 

1

 

Check LCD back light with naked eye

A1

 

 

 

 

 

 

2

A. Video error_ No video/Normal

LED driver B+ 24V measuring method

A2

 

 

 

 

 

3

audio

Check White Balance value

A3

 

 

 

 

 

 

 

 

4

 

Power Board voltage measuring method

A4

 

 

 

 

 

 

6

A. Video error_ No video/Video

TUNER input signal strength checking method

A5

 

 

 

 

 

7

lag/stop

LCD-TV Version checking method

A6

 

 

 

 

 

 

 

 

9

 

LCD TV connection diagram

A7

 

 

 

 

 

 

10

A. Video error_Color error

Check Link Cable (LVDS) reconnection

A8

 

condition

A9

 

 

 

 

 

 

 

 

 

11

 

Adjustment Test pattern - ADJ Key

A10

 

 

 

 

 

 

12

 

LCD TV connection diagram

A8

 

 

 

 

 

 

13

A. Video error_Vertical/Horizontal bar,

Check Link Cable (LVDS) reconnection

A8

 

residual image, light spot

condition

A9

 

 

 

 

 

 

 

 

14

 

Adjustment Test pattern - ADJ Key

A10

 

 

 

 

 

 

15

 

Exchange T-Con Board (1)

A-1/5

 

 

 

 

 

 

16

 

Exchange T-Con Board (2)

A-2/5

 

 

<Appendix>

 

 

 

17

Exchange LED driver Board (PSU)

A-3/5

55” : driver board

Defected Type caused by T-Con/

Other : PSU

 

Inverter/ Module

 

 

 

 

 

 

18

 

Exchange Module itself (1)

A-4/5

 

 

 

 

 

 

19

 

Exchange Module itself (2)

A-5/5

 

 

 

 

 

 

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LG Electronics 26CS460/460S/460T-ZA Contents of LCD TV Standard Repair Process Detail Technical Manual, Error symptom