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Screen Voltage Adjustment - LG CF-14/20/21T30K/KEX/KW/KX Service Manual

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Option Code
Function
0
ENG. ONLY
1
EU-7EA
OSD-L
(EU)
2
EU ALL
3
EU EAST
0
ENG. ONLY
OSD-L
1
ARABIC
(M-
2
PARSI
ASIA)
3
ARAB,FARSI,URDE
0
ENG.ONLY
OSD-L
(E-ASIA)
1
ASIA-ALL
0
ENG.ONLY
OSD-L
1
E+CHINA
(CH+HI)
2
E+HINDI
0
W-EU
1
TXT-L
E-EU
(EU)
2
CYRILLIC
3
UKRAINIAN
0
WEST-EU
TXT-L
(E-ASIA)
TXT-L
0
WEST-EU
(ARAB)
1
ARABIC
TXT-L
0
WEST-EU
(FARSI)
1
FARSI
AGC Adjustment (SERVICE 1)
O
Test Point
: AGC TP (C101)
Adjust
: Remote Controller
1) Connect RF signal (70dB!0.2dB) and turn on the TV.
¡ Standard adjustment Channel
- EU 05 Ch. (f
= 175.25MHz)
rf
2) Press the OK buttons on TV set and Remote Controller at the
same time to get into SVC-0 mode.
3) Press the Channel UP/DOWN button on the Remote
Controller several times to find AGC??.
4) Press the Volume UP/DOWN button until the AGC Voltage is
the same as the Table below.
5) Press the OK(
) button to memorize the data.
V
6700VPF009G
Tuner P/N
LG Innotek(W/S TUNER)
Marker
2.7! 0.05V
AGC Voltage
6700VPF009S
Tuner P/N
LG Innotek(TBS TUNER)
Marker
2.5! 0.05V
AGC Voltage
Remark
English
English,Deutsch,Francais,Italiano,Espanol
English,Nederlands,Svenska,Dansk,Suomi,Por
tugues,Romaneste,Polski,Cesky,Pyccknn
English,Romaneste,Polski,Cesky,Pyccknn,Magyar
English
English,Arab,,Urdu,French
English,Parsi,Urdu,French
English,French,Arab,Urdu,Parsi
English
English,Malay,Vietnam,Indonesian,Thai
English
English,Chinese
English,Hindi
6700VPF016A
DAEWOO(W/S TUNER)
2.7! 0.05V
FOCUS Adjustment
O
Test Point
Adjust
1) Tune the TV set to receive a PAL 05CH.
2) Adjust the Focus Volume of FBT for best focus.

Screen Voltage Adjustment

O
Test Point
Adjust
1) Connect the probe of oscilloscope to the RK (Red Cathode)
of CPT Board.
2) Set the oscilloscope to 50V/div and 20Us/div and after
putting GND line upon the lowest grid line of the scope by
pressing GND button,enter into DC mode.
3) Tune the TV set to receive a PAL-B/G 05CH.
4) Adjust Screen Volume of FBT so that the waveform is the
same as below figure (DC 140!3V).
14"
DC 130V!3 V
White Balance Adjustment.(LINE SVC-0)
O
NOTE : This adjustment should be performed after screen voltage
adjustment.
1) Tune the TV set to receive an 100% white pattern.
2) Press OK(
) buttons on TV set and remote controller at the
V
same time to get into SVC mode.
3) Press Yellow button on remote controller. (Standard mode)
4) Press Channel UP/DOWN button for desirous function
adjustment.
5) Adjust VOL+ or VOL-button in each status of "RG--"/"BG--" for
X=272!8, Y=288!8 with color analyzer.(Europe Model
X=288!8, Y=295!X=272!8, 11,000K)
Status
RG
GG
BG
BLO-R
BLO-G
7) Press the OK(
V
- 12 -
: RK (Red Cathode of CPT Board)
: Screen Volume of FBT
: Observing Display
: Focus Volume of FBT
Horizontal
FlyBack Time
OTHERS
DC 140V!3 V
Initial Data
31
31
31
31
31
) button to memorize the data.
Black level
140Vp-p
White level
GND for dc
:
Remark

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