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·Process of Memory Initialize operation.
A screen is be colored blue when MEMORY INIT
start.
A screen is be colored green when MEMORY INIT
finish normally.
A screen is be colored black when MEMORY INIT
finish abnormally.
(6) Do not unplug from AC outlet until this operation
is complete and do not perform any key operation
either, after this operation each factory setting and
all adjust mode data should reset to delivery settings
automatically.
(7) After Memory Initialize, it should be unplug AC cord.
Unplug and plug AC cord and then all settings and data
are updated.
(8) When PDP turns ON , it will tune CH03 this is the
complete operation of Memory Initialize process.
2.2 FACTORY AND SERVICE ADJUSTMENTS
The adjustment item that is affected by the memory
initialize operation is shown below:
* JIG. R/C FACTORY PRESET CODE:92
MEMORY INITIALIZE and FACTORY PRESET
ITEM
H POSITION ADJUST DATA
V POSITION ADJUST DATA
SUB CONTRAST ADJUST DATA
SETTING DATA FOR EACH DEVICE
BBE EFFECT SETTING DATA
AUDIO AGC SETTING DATA
V CHIP RATING SETTING DATA
CCD SETTING DATA
FACTORY RESET ITEM
WHITE BALANCE
Note: Perform pre heat-run for more than 20 min. before
adjusting.
BACK TO ADJUSTMENTS
MEMORY
FACTORY RESET
REMARKS
INITIALIZE
INITIALIZE
NOT INITIALIZE
INITIALIZE
NOT INITIALIZE
INITIALIZE
NOT INITIALIZE
INITIALIZE
NOT INITIALIZE
INITIALIZE
NOT INITIALIZE
INITIALIZE
NOT INITIALIZE
INITIALIZE
NOT INITIALIZE
INITIALIZE
NOT INITIALIZE
INITIALIZE
INITIALIZE
INITIALIZE
NOT INITIALIZE
3.2 SUB-CONTRAST ADJUSTMENT
Preparation
Receive Sub-contrast adjustment signal (Fig. 1).
Adjustment
(1) Select 'SUB CONTRAST' of Service Adj. Menu.
Press
for over 2 seconds and have it perform
automatic adjustment. When it's completed, 'Auto
Adjusting' on the screen will be disappeared.
Fig. 1
Full White
V
1
V
3
3.3 BRIGHTNESS CHECK
Preparation
(1) Start checking 20 minutes or more after the power is
turned ON.
(2) Receive the color bar signal.
(3) The vertical incident illumination on the screen
should be 20 lux or less.
(4) Picture Format is 16:9 standard mode.
(5) Select Day mode and reset.
Checking Procedure
(1) Check the brightness as below.
Can be seen at black
Can be seen slightly from black
Note: If set black level is NG, readjust item Sub
Contrast adj.
Measuring Conditions
(1) At the signal electric field strength 75± dBµ, the
specification mentioned above should be satisfied.
(2) At the input electric field 46-106dBµ, there should be
no abnormality.
* From color bar pattern below.
7 step gray scale
A7
A4 has tolerance.
A4 can be between black and
Slightly from black.
30
DW1U
(RF Input ANT A))
V
=1.0 Vp-p (when
1
V
2
V
=100IRE with
2
V
=7.51IRE)
3
DW-1
A3*
A5*
A6
A5
A4
A3
A2
White 100%
Color Bar Signal
10
0
A1
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