6-2
L4101EA
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
b13.0
±
0.3V DC [LCD-B1504] or
+21.0
±
0.3V DC [LCD-B2004].
3. Flicker Adjustment
Adjustment Point: R977 (LCD Main CBA)
1. Enter the Service mode.
2. Press “2” button on the remote control unit.
The following screen appears.
3. If Flicker Adjustment is not fit, the screen become
the following.
4. Adjust R977 so that flash stops.
C-BRT(NTSC)
MENU
→
9
134
134
C-CNT(NTSC)
122
132
C-CLR-R(NTSC)
156
154
C-CLR-B(NTSC)
156
154
C-TNT(NTSC)
148
148
C-SHR(NTSC)
143
143
BRIGHT
0
0
0
NORMAL
0
40
65
DARK
0
95
98
COR(C/D/S-1)
VOL.
p
→
1
131
131
COG(C/D/S-1)
VOL.
p
→
2
131
131
COB(C/D/S-1)
VOL.
p
→
3
131
131
DR(C/D/S-1)
VOL.
p
→
4
145
145
DG(C/D/S-1)
VOL.
p
→
5
143
143
DB(C/D/S-1)
VOL.
p
→
6
140
140
SBR(C/D/S-1)
VOL.
p
→
7
0
0
SBB(C/D/S-1)
VOL.
p
→
9
0
0
C-COR(C/D/S-2)
VOL.
p
→
1
131
131
C-COG(C/D/S-2)
VOL.
p
→
2
131
131
C-COB(C/D/S-2)
VOL.
p
→
3
131
131
C-DR(C/D/S-2)
VOL.
p
→
4
145
145
C-DG(C/D/S-2)
VOL.
p
→
5
143
143
C-DB(C/D/S-2)
VOL.
p
→
6
140
140
C-SBR(C/D/S-2)
VOL.
p
→
7
0
0
C-SBB(C/D/S-2)
VOL.
p
→
9
0
0
7F
VOL.
p
FF
FF
LAST POWER
OFF
OFF
SYSTEM
PAL-I
PAL-I
NCM
ON
ON
ASPECT
OFF
OFF
RUSSIAN
OFF
OFF
Test Point
Adj. Point
TP401 (+B)
TP300 (GND)
VR649
M. EQ.
Spec.
DC Voltmeter
+13.0
±
0.3V DC [LCD-B1504]
+21.0
±
0.3V DC [LCD-B2004]
ITEM
BUTTON
(on the remote
control)
DATA VALUE
LCD-
B1504
LCD-
B2004
R977
LCD Main CBA
FLASH
(Go and Off)
Содержание LCD-B1504
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