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
Mode.setting up after setting up purity and
convergence:
2. The Factory Mode adjustments are necessary
when either the EEPROM (IC902) or the CRT isWhite Balance
replaced.Sub-Brightness
Vertical Center
3. Do not tamper with the "Adjustment" screen ofVertical Size
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 Replaced2. If the EEPROM or CRT is replaced, set PSL
and PVA to 15 and 63 (Factory Mode).
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.4. Selection sequences for the PAL system:
The Service Mode is activated (1) by pressingDOWN or UP key:
the (Display ? (FACTORY) service key or (2)
by entering the following remote-controlVCO>SBT>SCT>SCR>SC>RG>CDL>STT>LCO
sequence:>LA>PSL>PVS>PVA>PHS>PEW>PEP>PEC>P
STAND-BY? DISPLAY? P-STD ? MUTE ?ET>LSC>TSC>SA>NSL>NVS>NVA>NHS>NE
POWER ONW>NEP>NEC>NET
2. The "SERVICE (FACTORY)" message will be5. Selection sequences for the NTSC system:
displayed. The Service Mode has fourDOWN or UP key:
components: Adjustment, Test Pattern, OptionNVS>NVA>NSL>NHS>NEW>NEP>NEC>NET
Bytes and Reset.
6. The VOLUME keys increase or decrease the
3. Access the Adjustment Mode by pressing theadjustment values, (stored in the
"VOLUME" keys ( Up or Down). Thenon-volatile memory when Adjustment Mode
adjustment parameters are listed in theis cancelled).
accompanying table. Select them by pressing
the CHANNEL keys (s ,t ).7. Cancel the Adjustment Mode by re-pressing the
"Factory" or "Power on" keys.
Samsung Electronics4-1 |
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