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4. Alignment and Adjustments
4-1 Preadjustment
4-1-1 Factory Mode
1. Do not attempt these adjustments in the Video
Mode.
2. The Factory Mode adjustments are necessary
when either the EEPROM (IC902) or the CRT is
replaced.
3. Do not tamper with the "Adjustment" screen of
the Factory Mode menu. This screen is
intended only for factory use.
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 "Adjustment" Mode
1. This mode uses the standard remote control.
The Service Mode is activated (1) by pressing
the (Display → (FACTORY) service key or (2)
by entering the following remote-control
sequence:
STAND-BY→DISPLAY→ P-STD → MUTE →
POWER ON
2. The "SERVICE (FACTORY)" message will be
displayed. The Service Mode has four
components: Adjustment, Test Pattern, Option
Bytes and Reset.
3. Access the Adjustment Mode by pressing the
"VOLUME" keys ( Up or Down). The
adjustment parameters are listed in the
accompanying table. Select them by pressing
the CHANNEL keys ( , ).
Samsung Electronics
4-1-3 When CRT Is Replaced
1. Make the following adjustments AFTER
setting up after setting up purity and
convergence:
White Balance
Sub-Brightness
Vertical Center
Vertical Size
Horizontal Size
Fail Safe (This adjustment must be the last
step.)
2. If the EEPROM or CRT is replaced, set PSL
and PVA to 15 and 63 (Factory Mode).
4. Selection sequences for the PAL system:
DOWN or UP key:
VCO>SBT>SCT>SCR>SC>RG>CDL>STT>LCO
>LA>PSL>PVS>PVA>PHS>PEW>PEP>PEC>P
ET>LSC>TSC>SA>NSL>NVS>NVA>NHS>NE
W>NEP>NEC>NET
5. Selection sequences for the NTSC system:
DOWN or UP key:
NVS>NVA>NSL>NHS>NEW>NEP>NEC>NET
6. The VOLUME keys increase or decrease the
adjustment values, (stored in the
non-volatile memory when Adjustment Mode
is cancelled).
7. Cancel the Adjustment Mode by re-pressing the
"Factory" or "Power on" keys.
Alignment and Adjustments
4-1
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