LG RF-20CC20M, Service Manual

- 10 -

O 

Safety Precautions

1.  It is safe to adjust after using insulating transformer

between the power supply line and chassis input to
prevent the risk of electric shock and protect the
instrument.

2.  Never disconnect leads while the TV receiver is on.
3.  Don't short any portion of circuits while power is on.
4.  The adjustment must be done by the correct appliances.

But this is changeable in view of productivity.

5.  Unless otherwise noted, set the line voltage to

110~240Vac

!

10%, 50/60Hz.

6.  The adjustment of TV should be performed afther warming

up for 20 minutes.

O 

Test Equipment required

1.  Multimeter (volt meter)
2.  Oscilloscope
3. 10:1 PROBE
4. Color Analyzer

O 

CDL Data Adjustment(LINE SVC-0)

1)  Press the SVC button to get into the SVC-0 Mode.
2)  Press the Channel UP/DOWN button to select CDL12. 
3) Press the Volume UP/DOWN button until the CDL data is

the same as the Table below.

4) Press the OK(

V

) button to memorize the data.

O 

OPTION Data Adjustment(OPTION-1,OPTION-2)

1)  Press OK buttons on both TV set and Remote Controller at

the same time to get into SVC mode.

2)  Press the Yellow button several times to find OPTION-1 or

OPTION-2.

3) Input the correspond OPTION data referring to Table below

with the numeric buttons.

4) Press the OK(

V

) button to memorize the data.

Table 1.  OPTION 1 Function

Table 2.  OPTION 2 Function

Table 3.  OPTION 3 Function

ADJUSTMENT

21” FCD

12

FLAT 

14,16” CPT

8

15” CPT

10

FLAT

20,21” CPT

12

CDL Data

Remark

0

1

0

1

0

1

0

1

0

1

SCART

TOP

2 IN 1

DVD

C MUTE

Option

Code

Function

Remark

ACTIVE

NOT ACTIVE

W/O DVD

DVD(REAR JACK) 

W/O 2 IN 1TUNER

WITH 2 IN 1TUNER

FLOF TXT

TOP TXT

PHONO JACK

SCART JACK

0

1

0

1

0

1

0

1

EYE

TBS

MONO

4 KEY

Option

Code

Function

Remark

W/O TBS

WITH TBS

W/O EYE

WITH EYE

W/O 4 KEY

WITH 4 KEY

FORCED MONO

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

ACMS

T-SCH

T-P/S

CURVE

DUAL

CHA

+ AU

200 PRO

GAME

BCF

Option

Code

Function

Remark

Auto Abnormal ON

Not Used

W/O GAME PACK

WITH GAME PACK

100 PRO

200 PRO

Except China,Austrailia

China,Austrailia

W/O DUAL  

WITH DUAL  

Austrailia

Except Austrailia 

W/O TURBO SEARCH

WITH TURBO SEARCH

W/O TURBO P/S

WITH TURBO P/S

NORMAL VOLUME CURVE

M-A,India VOLUME CURVE

0

1

0

1

0

1

2

3

4

5

6

7

SYSTEM

HOTEL

RESER

VED

Option Code

Function

Remark

* * * 

* * *

W/O HOTEL

W/HOTEL

BG/L

BG/I/DK

BG/I/DK/M

BG/I/DK DUAL

BG/I/DK/M DUAL

2nd IF BG

2nd IF I

2nd IF DK