LG RF-21FB20R Service Manual page 12

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
OSD-L ENG.ONLY
(E-ASIA)
1 ASIA-ALL
0
ENG.ONLY
OSD-L
1 E+CHINA
(CH+HI)
2 E+HINDI
0
W-EU
1 E-EU
TXT-L
(EU)
2 CYRILLIC
3
UKRAINIAN
0 WEST-EU
TXT-L
(E-ASIA)
0 WEST-EU
TXT-L
(ARAB)
1 ARABIC
TXT-L 0
WEST-EU
(FARSI)
1 FARSI
¡ AGC Adjustment (SERVICE 1)
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(¡Æ) button to memorize the data.
Tuner P/N 6700VPF009G
Marker LG Innotek(W/S TUNER)
AGC Voltage 2.7¡ 0.05V
Tuner P/N 6700VPF009S
Marker LG Innotek(TBS TUNER)
AGC Voltage 2.5¡ 0.05V
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6700VPF016A
DAEWOO(W/S TUNER)
2.7¡ 0.05V
- 12 -
¡ FOCUS Adjustment
Test Point : RK (Red Cathode of CPT Board)
Adjust : Screen Volume of FBT
1) Tune the TV set to receive a PAL 05CH.
2) Adjust the Focus Volume of FBT for best focus.
¡ Screen Voltage Adjustment
Test Point : Observing Display
Adjust : Focus Volume of FBT
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)
NOTE : This adjustment should be performed after screen voltage
adjustment.
1) Tune the TV set to receive an 100% white pattern.
2) Press OK(¡Æ) buttons on TV set and remote controller at the
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 Initial Data
RG 31
GG 31
BG 31
BLO-R 31
BLO-G 31
7) Press the OK(¡Æ) button to memorize the data.
OTHERS
DC 140V¡ 3 V
:
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