30
DW1U
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.
V
1
V
3
V
2
Fig. 1
Full White
(RF Input ANT A))
V
1
=1.0 Vp-p (when
V
2
=100IRE with
V
3
=7.51IRE)
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.
Note: If set black level is NG, readjust item Sub
Contrast adj.
Measuring Conditions
(1) At the signal electric field strength 75± dB
µ
, the
specification mentioned above should be satisfied.
(2) At the input electric field 46-106dB
µ
, there should be
no abnormality.
* From color bar pattern below.
DW-1
Can be seen at black
A3*
Can be seen slightly from black
A5*
A7
A6
A5
A4
A3
A2
A1
White 100%
7 step gray scale
A4 has tolerance.
A4 can be between black and
Slightly from black.
Color Bar Signal
10
0
(
8
)
When PDP turns ON , it will tune CH03 this is the
complete operation
of Memory Initialize process.
·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
①
②
③
are updated.
The adjustment item that is affected by the memory
initialize operation is shown below:
Note: Perform pre heat-run for more than 20 min. before
adjusting.
2.2
FACTORY AND SERVICE ADJUSTMENTS
BACK TO ADJUSTMENTS
* JIG. R/C FACTORY PRESET CODE:92
MEMORY INITIALIZE and FACTORY PRESET
ITEM MEMORY
INITIALIZE
FACTORY RESET
REMARKS
H POSITION ADJUST DATA
INITIALIZE
NOT INITIALIZE
V POSITION ADJUST DATA
INITIALIZE
NOT INITIALIZE
SUB CONTRAST ADJUST DATA
INITIALIZE
NOT INITIALIZE
SETTING DATA FOR EACH DEVICE
INITIALIZE
NOT INITIALIZE
BBE EFFECT SETTING DATA
INITIALIZE
NOT INITIALIZE
AUDIO AGC SETTING DATA
INITIALIZE
NOT INITIALIZE
V CHIP RATING SETTING DATA
INITIALIZE
NOT INITIALIZE
CCD SETTING DATA
INITIALIZE
NOT INITIALIZE
FACTORY RESET ITEM
INITIALIZE INITIALIZE
WHITE BALANCE
INITIALIZE
NOT INITIALIZE
6
GI
Summary of Contents for 42HDS52A/DW1-UB
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Page 87: ...CONNECTION DIAGRAM DW1U TABLE OF CONTENTS 78 42 Models Only CH 3 ...
Page 88: ...DW1U 79 FINAL WIRING DIAGRAM TABLE OF CONTENTS ...
Page 89: ...DW1U 80 FINAL WIRING DIAGRAM TABLE OF CONTENTS ...
Page 97: ...FINAL ASSEMBLY GUIDE TABLE OF CONTENTS 88 DW1U ...
Page 98: ...FINAL ASSEMBLY GUIDE TABLE OF CONTENTS 89 DW1U ...
Page 99: ...FINAL ASSEMBLY GUIDE TABLE OF CONTENTS 90 DW1U ...
Page 100: ...FINAL ASSEMBLY GUIDE TABLE OF CONTENTS 91 DW1U ...
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