Sylvania STRL315 Service Manual page 19

2. V-Phase Adjustment
Purpose: To match the vertical phase to LCD panel.
Symptom of Misadjustment: The vertical lines on
the display may not be properly displayed.
Test Point Adj. Point
CH o / p
Screen
buttons
M. EQ.
Pattern Generator
Note: Use service remote control unit
1. Enter the Service mode. (See page 5-1)
2. Input MULTI-BURST pattern TG21AX or TG19CC
(SHIBASOKU) from video input jack.
3. Make sure that contrast and brightness controls are
set to initial position.
4. Press "3" button on the service remote control unit.
5. Each time press "CH o/p" buttons on the service re-
mote control unit, "0" or "1" appears on the display al-
tenately.
6. Select either "0" or "1" which screen is not indenta-
tion.
7. Turn the power off and on again. (Main power button
on the TV unit.)
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.
Input
MULTI-BURST pattern
TG21AX or TG19CC
(SHIBASOKU)
(Video Input)
Spec.
See below.
4. Sub-Brightness Adjustment
Purpose: To get proper brightness.
Symptom of Misadjustment: If Sub-Brightness is
incorrect, proper brightness cannot be obtained by
adjusting the Brightness Control.
Test Point Adj. Point
CH o / p
Screen
buttons
M. EQ.
Pattern Generator
White
A position
Note: SMPTE Setup level --- 7.5 IRE
Use service remote control unit
1. Enter the Service mode. (See page 5-1)
Then input SMPTE signal from RF input.
2. Make sure that contrast and brightness controls are
set to initial position.
2. Press "MENU" and "1" button on the service remote
control unit and select "BRT" mode. Press "CH o/p"
buttons so that the bar (C position) is just visible.
(See above figure.)
3. Turn the power off and on again. (Main power button
on the TV unit.)
5-2
Mode Input
SMPTE
pattern
RF
CG-931,
W/7.5IRE
Spec.
See below
Figure
Black
C position
B position
Fig. 3
L0110EA