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
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
2. If the EEPROM or CRT is replaced, set PVA to
1. When IC902 is replaced all adjustment data45 (factory mode) and set SC as follows.
revert to initial values. It is necessary to14, 16 inch : 0
re-program this data.
20 inch : 10
2. After IC902 is replaced, warm up the TV for21 inch : 12
10 seconds.
4-2 Factory/Service Mode
4-2-1 Procedure for the OAdjustment� Mode
1. This mode uses the standard remote control.4. Selection sequences for the all system:
The Service Mode is activated by entering the
DOWN or UP key:
following remote-control sequence :AGC>VCO>SBT>SCT>SCR>SC>RG>GG>
(1) SLEEP?FACTORY. BG>CDL>BLU>PSL>PVS>PVA>PHS>NSR>
STT
(2) STAND-BY? DISPLAY? P.STD? MUTE
5. The VOLUME keys increase or decrease the
?POWER ON.adjustment values (stored in the
2. The OSERVICE (FACTORY)� message will benon-volatile memory) when Adjustment Mode
displayed. The Service Mode has four compo-is cancelled.
nents: Adjustment, Test Pattern, Option Bytes
6. Cancel the Adjustment Mode by re-pressing
and Reset.
the OFACTORY� or OPower OFF� keys.
3. Access the Adjustment Mode by pressing the
OVOLUME� keys ( Up or Down). The adjust-
ment parameters are listed in the accompany-
ing table, and selected by pressing the CHAN-
NEL keys (s ,t ).
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