Samsung WF24W6VN3X/XEF, Service Manual

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Alignment and Adjustments
4-1
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.
4-1-3 When CRT Is Replaced
1. Make the following adjustments AFTER set-
ting up after setting up purity and conver-
gence :
White Balance
Sub-Brightness, Sub-Contrast
Vertical Center
Vertical Size
Horizontal Size
Fail Safe (This adjustment must be the last
step).
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 by entering the
following remote-control sequence :
(1) STAND-BY
→
DISPLAY
→
MENU
→
MUTE
→
POWER ON.
2. The “SERVICE (FACTORY)” message will be
displayed. The Service Mode has three compo-
nents: Adjustment, Option and Reset.
3. Access the Adjustment Mode by pressing the
“VOLUME” keys ( Up or Down). The adjust-
ment parameters are listed in the accompany-
ing table, and selected by pressing the
CHANNEL keys ( ▲ , ▼ ).
4. Selection sequences for the PAL system:
DOWN or UP key:
AGC ↔ VCO ↔ SBT ↔ SCT ↔ SCR ↔ SC ↔ RG ↔
BG ↔ CDL ↔ STT ↔ LCO ↔ VOL ↔ PSL ↔ PVS ↔
PVA ↔ PHS ↔ PEW ↔ PEP ↔ PEC ↔ PET ↔ VSC ↔
TSC ↔ SA ↔ QEW ↔ PCT ↔ PTT ↔ PHM ↔ PVP ↔
PHP ↔ NSR ↔ PDL ↔ AGC.
5. The VOLUME keys increase or decrease the
adjustment values (stored in the
non-volatile memory) when Adjustment Mode
is cancelled.
6. Cancel the Adjustment Mode by re-pressing
the “HIDDEN” or “Power OFF/ON” keys.
7. After adjustments are completed, re-start
the TV set.