LG Electronics 32LA62**-Z* Standard Repair Process Detail Technical Manual, Check the DC 24V, 12V

Models: 32LA62**-Z*

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Check the DC 24V, 12V, 3.5V.

Standard Repair Process Detail Technical Manual

 

 

Error

A. Video error_No video/ Audio

Established

2012. 12 .06

 

 

 

LCD TV

symptom

date

 

 

 

Content

Power Board voltage measuring method

Revised

 

A5

 

 

 

 

 

date

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

3

5

7

9

11

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15

17

19

21

23

Check the DC 24V, 12V, 3.5V.

24 Pin (Power Board ↔ Main Board)

SMAW200-H24S

Power on

2

Inverter On/off

 

 

 

3.5V

4

PWM Dim #1

3.5V

6

PWM Dim #2

GND

8

GND

 

 

 

24V

10

24V

GND

12

GND

 

 

 

12V

14

12V

12V

16

24V

GND

18

GND

 

 

 

GND

20

GND

GND

22

L/DIMO_VS

 

 

 

L/DIM0_MOSI

24

L/DIM0_SCLK

 

 

 

 

 

 

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LG Electronics 32LA62**-Z* Standard Repair Process Detail Technical Manual, Check the DC 24V, 12V, SMAW200-H24S