LG RF-21FA20, Service Manual

- 10 -

EW (Horizontal Width)

Adjust to that a digital circle pattern looks like exact circle.

EP (East-west Parabolar)

Adjust so that middle portion of the outermost left and right
vertical line looks like parallel with vertical lines of the CPT.

EC (East-west Coner)

Adjust  so  that  the  vertical  line  at  every  4  corners  of  the
screen looks like parallel with the vertical lines of the CPT.

ET (East-west Trapezium)

Adjust to make the length of top horizontal line same with
it of the bottom horizontal line.

(Table 1)

O

White Balance Adjustment.(LINE SVC 1)

NOTE :

This adjustment should be performed after screen

voltage adjustment.

1)  Tune the TV set to receive an 100% white pattern.
2) Press the Yellow button on remote controller in the SVC

Mode.

3) Press PSM (RED) button on remote controller. (Standard

picture)

4) Press PR+ or PR- button for desirous function adjustment.
5)  Adjust Low Light status of  CR and CB with VOL+ or VOL-

at  CG:50 until X=268

!

8,Y=273

!

8.

6)  Adjust High Light status of  RG and BG with VOL+ or VOL-

at  CG:370 until X=268

!

8,Y=273

!

8.

7) Repeat above step 5) and 6) until each status of High Light

and Low Light.

Initial Data List (PAL)

VA

VL

SC

VS

HS

EW

ET

EP

ES

EC

POP P

Vertical Amplitude

Vertical Lineality

S-Correction

Vertical Shift

Horizontal Shift

East-West Width

East-West Trapezim

East-West Parabola 

East-West Symmet

East-West Corner

POP Position

00B0

0000

00D3

0771

0010

0BB5

0800

07CF

07BB

0820

000C

CPT

LG 21” FLAT

4.5

!

1 FL

43

!

1 FL

LOW LIGHT

HIGH LIGHT

CR

CG

CB

RG

GG

BG

Cufoff Red

Cufoff Green

Cufoff Blued

Drive Red

Drive Red

Drive Red

0050

0050

0050

0370

0370

0370

Average ADJ. Data List

DVCO

IBRM

WDRM

BCLTH

BCLTM

BCLGA

BCLMI

SVGA

SVDEL

SVD1

LDLY

HBST

HBSO

Digital VCO

Black Current

White Current

BCL Thershold

BCL Time

BCL Gain

BCL

SVM Gain

SVM Delay

SVM Delay 1

LUMI Delay

H START Point

H END Point

XXXX

00C8

0190

0037

000B

000A

0000

0032

0004

0004

0000

00F0

0150

ABL Data (SERVICE 3)

FP

NP

SP

S1 VOL

S2 VOL

FM Prescaler

NICAM Prescaler

SCART Prescaler

SCART1 Volume

SCART2 Volume

0012

0045

001A

0045

0045

Sound Pre-Scaler (SERVICE-4)