DOWNLOAD LG 37LC2RR (CHASSIS:MF-056M) Service Manual ↓ Size: 5.02 MB | Pages: 32 in PDF or view online for FREE

- 17 -

NO KEY 

FUNCTION 

REMARK

1

POWER

2

POWER ON

3

MUTE

4

P-CHECK

5

S-CHECK

6

ARC

7

CAPTION

8

TXT

9

TV/AV

10

TURBO SOUND

11

TURBO PICTURE

12

IN-START

13

ADJ

14

MPX

15

EXIT

16

APC(PSM)

17

ASC(SSM)

18

MULTIMEDIA

19

FRONT-AV

20

CH°æ

21

VOL°æ

22

ENTER

23

PIP CH-(OP1)

24

PIP CH+(OP2)

25

PIP SWAP(OP3)

26

PIP INPUT(OP4)

27

EYE

28

MENU

29

IN-STOP

30

STILL

31

TIME

32

SIZE

33

MULTI PIP

34

POSITION

35

MODE

36

PIP

37

TILT

38

0~9

To turn the TV on or off
To turn the TV on automatically if the power is supplied to the TV. (Use the
POWER key to deactivate): It should be deactivated when delivered.
To activate the mute function.
To check TV screen image easily.
To check TV screen sound easily
To select size of the main screen (Normal, Spectacle, Wide or Zoom)
Switch to closed caption broadcasting
To toggle on/off the teletext mode
To select an external input for the TV screen
To start turbo sound
To start turbo picture
To enter adjustment mode when manufacturing the TV sets.
To adjust the screen voltage (automatic): 
In-start 

$mute $Adjust$AV(Enter into W/B adjustment mode)

W/B adjustment (automatic):
After adjusting the screen  

$W/B adjustment  $Exit two times (Adjustment completed)

To enter into the adjustment mode. To adjust horizontal line and sub-brightness.
To select the multiple sound mode (Mono, Stereo or Foreign language)
To release the adjustment mode
To easily adjust the screen according to surrounding brightness
To easily adjust sound according to the program type
To check component input
To check the front AV
To move channel up/down or to select a function displayed on the screen.
To adjust the volume or accurately control a specific function.
To set a specific function or complete setting.
To move the channel down in the PIP screen.
To use as a red key in the teletext mode
To move the channel in the PIP screen
To use as a green key in the teletext mode
To switch between the main and sub screens
To use as a yellow key in the teletext mode
To select the input status in the PIP screen
To use as a blue key in the teletext mode
To set a function that will automatically adjust screen status to match
the surrounding brightness so natural color can be displayed.
To select the functions such as video, voice, function or channel.
To set the delivery condition status after manufacturing the TV set.
To halt the main screen in the normal mode, or the sub screen at the PIP screen.
Used as a hold key in the teletext mode (Page updating is stopped.)
Displays the teletext time in the normal mode
Enables to select the sub code in the teletext mode
Used as the size key in the PIP screen in the normal mode
Used as the size key in the teletext mode
Used as the index key in the teletext mode (Top index will be
displayed if it is the top text.)
To select the position of the PIP screen in the normal mode
Used as the update key in the teletext mode (Text will be
displayed if the current page is updated.)
Used as Mode in the teletext mode
To select the simultaneous screen
To adjust screen tilt
To manually select the channel.

Shortcut keys

Shortcut keys

Shortcut keys

Use the AV
key to enter
the screen
W/B
adjustment
mode.

Shortcut keys

Shortcut keys

Shortcut keys

- 18 -

Ø

Does’t minute discharge at module. 

Ø

Non does not come in into the front LED. 

Is plug in power cord?

Plug in power cord.

Yes

No

Is the Line Filter and Power

Board Cable connected?

Connect the Cable.

Yes

No

Is the Fuse on Power

Board normal?

Replace the Fuse.

Yes

No

Is the Power Board and 13P of

VSC Board Cable connected?

Connect the Cable.

Yes

No

After the cable connect is remved
to Power Board(except the CN101
connection cable), the AC voltage
marking is authorized on manual.
When ST-BY 5V is not operated,
replace Power Board.

- 19 -

Ø

After once shining, it does not discharge minutely

from module

Ø

The Rely falls(The sound is audible “click”) 

Ø

It is converted with the color where the front LED

is pink from white.

Is the Power Board

normal ?

Replace Power

Board.

Is output the normality Low/High

voltage except Stand-by 5V?

Yes

No

No

Is the each connector

normal?

Replace the

connector.

After connecting well each connector,

the normality it operates? 

Yes

No

No

Is the VSC Board

normal?

After remove P1001, P1100
normal operation :
Replace VSC Board.

Is the output voltage normal after

remove P10001, P1100?

No

Yes

Ø

Does’t minute discharge at module. 

Ø

It maintains the condition where the front LED is white.

Is the Power Board

normal?

Replace the

Power Board.

Is output the normality Low/High

voltage except Stand-by 5V?

Yes

No

No

Is the each connector

normal?

Replace the

connector.

After connecting well each connector,

the normality it operates? 

Yes

No

No

Is the VSC Board

normal?

After remove P1001, P1100
normal operation
: Replace VSC Board.

Is the output voltage normal after

remove P1001, P1100?

No

Yes

- 20 -

Ø

LED is white.

Ø

The minute discharged continuously becomes 

accomplished from module.

Is the LVDS cable

normal ?

Is the VSC Board

normal?

Is the LVDS cable

connected well?

Cable inserts well.

Yes

No

No

Yes

Does the FIL8532 IC

(IC800) Operates ?

Replace FIL8532

IC(IC800).

No

Is the Ctrl Board of

Module normal?

Replace Ctrl B/D.

No

No

Yes

Replace VSC B/D.

Replace the cable.

Yes