5-2
L0305EA
2. +B Adjustment
Purpose:
To obtain correct operation.
Symptom of Misadjustment:
The picture is dark and
the unit does not operate correctly.
Note:
TP401(+B), TP300(GND), VR649 --- Main CBA
1. Connect DC Volt Meter to TP401 and TP300(GND).
2. Adjust VR649 so that the voltage of TP401 becomes
+21.0±0.5V DC.
3. Software Reset
To reset software, press “5” button on the remote con-
trol unit for at least 5 seconds after pressing “CH
RETURN” button on the remote control unit.
NORMAL
0
74
DARK
150
SAIDO
5
128
C-SAIDO
188
D2-SAIDO
128
D3-SAIDO
208
H-P
8
50
C-H-P
50
V-P
9
40
C-V-P
40
COR(C/D1)
VOL
p
→
1
512
COG(C/D1)
VOL
p
→
2
512
COB(C/D1)
VOL
p
→
3
512
DR(C/D1)
VOL
p
→
4
138
DG(C/D1)
VOL
p
→
5
138
DB(C/D1)
VOL
p
→
6
138
COR(C/D2)
VOL
p
→
1
512
COG(C/D2)
VOL
p
→
2
512
COB(C/D2)
VOL
p
→
3
512
DR(C/D2)
VOL
p
→
4
138
DG(C/D2)
VOL
p
→
5
138
DB(C/D2)
VOL
p
→
6
138
7F
VOL
p
FF
LANGUAGE
SPA/FRA
STEREO TYPE
MTS
ACCESS CODE
ON
BACK LIGHT
ON
HD
ON
2DVP
ES3
HRD
ON
NCM
ON
ASPECT
OFF
ITEM
BUTTON
(on the service
remote control)
DATA
VALUE
Test Point
Adj. Point
TP401 (+B)
TP300 (GND)
VR649
M. EQ.
Spec.
DC Voltmeter
+21.0
±
0.5V DC
Summary of Contents for F20LCTE
Page 1: ...20 COLOR LCD TELEVISION F20LCTE SERVICE MANUAL...
Page 13: ...4 2 L0305DC S 1 S 1 S 1 S 1 S 1 S 1 S 2 1 Rear Cabinet Fig D1...
Page 32: ...A1 A2 B1 B2 C1 C2 Function Schematic Diagram L0305SCF 7 13 7 14...
Page 33: ...A1 A2 B1 B2 C1 C2 7 15 7 16 L0305SCIR IR Sensor Schematic Diagram...
Page 57: ...F20LCTE L0305UF 2004 09 21...