Alignment and Adjustments
4. Alignment and Adjustments
4-1 Preadjustment
4-1-1 Factory Mode4-1-3 When CRT Is Replaced
1. Do not attempt these adjustments in the Video1. Make the following adjustments AFTER set-
Mode.ting up after setting up purity and conver-
gence :
2. The Factory Mode adjustments are necessary
when either the EEPROM (IC902) or the CRTWhite Balance
is replaced.Sub-Brightness, Sub-Contrast
Vertical Center
3. Do not tamper with the OAdjustment� screenVertical Size
of the Factory Mode menu. This screen isHorizontal Size
intended only for factory use.Fail Safe (This adjustment must be the last
step).
4-1-2 When EEPROM (IC902) Is Replaced
1. When IC902 is replaced all adjustment data
revert to initial values. It is necessary to
re-program this data.
2. After IC902 is replaced, warm up the TV for
10 seconds.
4-2 Factory/Service Mode
4-2-1 Procedure for the OAdjustment� Mode4. Selection sequences for the PAL/NTSC
system:
1. This mode uses the standard remote control.
The Service Mode is activated by entering theDOWN or UP key:
following remote-control sequence :
AGC� VCO� SBT� SCT� SCR� SC� RG�
BG� CDL� STT� PDL� VOL� PSL� PVS�
(1) STAND-BY? DISPLAY? MENU? MUTE
?POWER ON.PVA� PHS� PEW� PEP� PEC� PET� VSC�
TSC� SA� QEW� PCT� PTT� PHM� PVP�
2. The OSERVICE (FACTORY)� message will beNVP� PHP� NSR� FFI� AGC.
displayed. The Service Mode has four compo-
nents: Adjustment, Test Pattern, Option Bytes5. The VOLUME keys increase or decrease the
and Reset.adjustment values (stored in the
non-volatile memory) when Adjustment Mode
3. Access the Adjustment Mode by pressing theis cancelled.
OVOLUME� keys ( Up or Down). The adjust-
ment parameters are listed in the accompany-6. Cancel the Adjustment Mode by re-pressing
ing table, and selected by pressing the CHAN-the OHIDDEN� or OPower OFF/ON� keys.
NEL keys (s ,t ).
Samsung Electronics4-1 |
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