Sky PDS4250, Service Manual, Page: 22 / 62

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SERVICE MODE
(2) TST PTRN MA : Cycled patterns from BK WH R G B by pressing volume up key
(3) AT PWR : ON - Condition where turning AC power on, automatically turns the SET on.
OFF - Condition where turning AC power on makes the Set STAND BY, and POWER of
Remote-controller on turns the set on from STAND BY state.
(4) JACK : Set up depending on input MODE of JACK BOARD
- SCART(SKY) : MULTI + DVI + SCART (DSP-4222LVS))
- MULTI : Used by DSP-4280 series, Multimedia monitor.
- MONITOR : Used by DSP-4282 series, PC only monitor.
- : Used by DSP-4282 series with DSP-JU20 attached, PC only monitor with
External board connection.
- VIDEO : Video only monitor
[Note] Wrong setup causes displaying problem. So you must be careful when SETTING.
(5) PXL SFT : To choose a picture auto shift mode to protect a PDP(Ghost fault) ON - Moving
screen up, down left and right by some Pixels every 20 seconds.
OFF - Fixing PIXEL position. No movement on screen.
[Note] PIXEL SHIFT function is solution to characteristic phenomenon of PDP, so-called
Image Sticking problem. Leave this function ON, when displaying many fixed screen
like PC screen. When this function is ON the screen will move a little for every fixed
interval but a human eye can not recognize it well.
7) INFOR
(1) VER : MICOM VERSION
(year 4 digits, month 2 digits, date 2 digits and time 4 digits : 200309222030 )
8) RESET
(1) EDID SET
[Note] Be used to set to write EDID data (After setting it is changed to EDID DONE ). Before
setting EDID, you have to short jumpers of JP710. After setting, you must remove jumpers,
and then, turn off and on main power. If EDID WRITING ERROR is displayed, Try
again. But, in DEUK, you don t have to set EDID set (After removing jumpers, EDID
DONE is changed to EDID SET).
(2) LEVEL 1 : Be used to initialise all of the data including adjusted figures for W/B.
(3) LEVEL 2 : Be used to initialise all of the data except adjusted figures for W/B
(4) FACTORY : For User menu initialisation, is actaviated by choosing a language on AC ON
mode. (Menu Display, VOL, OSD Background and Input mode (VIDEO 1) initialisation).
(Should be selected on being dispatched)
9) PANEL
(1) ISM : Used to minimize Image
Sticking (ON/OFF).
ON : When Still images or regular
patterns have been displayed
on screen for some times, the
luminance of screen is going
to decrease as below. (But,
only when pattern area is over
50% and it is lasting over 5
minutes)