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
becomes +13.0±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→70 0
SBB(C/D/S-1) VOL. p→90 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→70 0
C-SBB(C/D/S-2) VOL. p→90 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)
