JVC LX-P1010ZU Service Manual page 17

LX-P1010ZU/ZE
3.4.3. VIDEO INPUT ADJUSTMENT
Purpose:
To set the optimum signal level.
Symptom of Misadjustment:
The picture will be too light or too dark.
TP ADJ. INPUT / Test Pattern signal softwear menu
TP3502
EQUIPMENT
OSCILLOSCOPE
NTSC VIDEO PATTERN
GENERATOR
Note:
TP3502: Main PWB
1. Supply Gray Scale Pattern Signal (3 scales).
2. Connect the oscilloscope to TP3502.
3. Press 5 or ∞ or MENU button on remote control to select
"VIDEO LEVEL".
4. Press 2 or 3 button so that the white level becomes the same
as OSD white level.
3.4.4.COMPONENT VIDEO COLOR
ADJUSTMENT
("YPBPR COLOR"ADUSTMENT)
Purpose:
To set the optimum signal level.
Symptom of Misadjustment:
The picture will be too light or too dark.
17 (PA014)
VIDEO Input Connector)
=6 Bar=4 3Division
3 SCALE=
SPECIFICATION
Refer to Description below
Fig. 3-4-8
TP ADJ.
TP3503
EQUIPMENT
OSCILLOSCOPE
PROGRAMMABLE VIDEO
SIGNAL GENERATOR
Note:
TP3503: Main PWB
1. Supply Component Video 480P or 480i Blue 100 % Raster Signal.
(Refer to "System Configuration Example" of "INSTRUCTION
BOOK")
2. Connect the oscilloscope to TP3503.
3. Press 5 or ∞ button on remote control to select "YPBPR
COLOR".
4. Press 2 or 3 button so that the Blue level becomes the same
as OSD White level.
Fig. 3-4-9
Note:
After completing adjustments, press the "MENU" button to
release from "VIDEO/RGB ADJUST" mode. (Adjustment data
is memorized in EEPROM IC (IC2006) by pressing "MENU"
button.)Otherwise, adjustment data 3.4.1. through 3.4.4. will
be cancelled.
3.4.5. LCD COMMON ADJUSTMENT
("VCOM"ADUSTMENT)
Purpose:
To set the optimum LCD common voltage.
Symptom of Misadjustment:
The picture will be bluish or reddish.
INPUT /
Test Pattern signal softwear menu
RGB Input Connector)
SPECIFICATION
Refer to Description below