Alignment and Adjustments
Samsung Electronics 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 ÒAdjustmentÓ 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 setting up after setting up purity and convergence :
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 ÒSERVICE (FACTORY)Ó 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
ÒVOLUMEÓ keys ( Up or Down). The adjustment parameters are listed in the accompanying table, and selected by pressing the CHAN-
NEL keys (▲ ,▼).
4. Selection sequences for the PAL/NTSC
system:
DOWN or UP key:
AGC↔VCO↔SBT↔SCT↔SCR↔SC↔RG↔
BG↔CDL↔STT↔PDL↔VOL↔PSL↔PVS↔
PVA↔PHS↔PEW↔PEP↔PEC↔PET↔VSC↔
TSC↔SA↔QEW↔PCT↔PTT↔PHM↔PVP↔
NVP↔PHP↔NSR↔FFI↔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 ÒHIDDENÓ or ÒPower OFF/ONÓ keys.
4-2-2 Main Adjustment Parameters
Alignment and Adjustments
4-2 Samsung Electronics
OSD FUNCTION RANGE
AGC
AUTO GAIN CON TROL
0~63
VCO
VOLTAGE CONTROLLED OSCILLATOR
0 ~127
SBT
SUB BRIGH T
0~23
SCT
SUB CONTRAST
0~23
SCR
SUB COLOR
0~23
SC
S-CORRECTION
0~63
RG
RED DRIVE GAIN
0~63
BG
BLUE DRIVE GAIN
0~63
CDL
CATH OD E DRIV E LEVEL
0~ 7
STT
SUB TINT
0~13
PDL
PAL DELAYTIME
0~15
VOL
VOLUME LEVEL
0 ~100
PSL
PALVERTICALSLOP
0~63
PVS
PALVERTICALSHIFT
0~63
PVA
PALVERTICALAMPLITUDE
0~63
PHS
PALHORIZONTALSHIFT
0~63
PEW
PAL E W-WIDTH
0~63
PEP
PAL EW-PARABOLA
0~63
PEC
PAL EW-CORNER PARABOLA
0~63
PET
PAL EW-TRAPEZIUM
0~63
VSC
VERTICAL SCROLL
0~63
TSC
TTX SUB CONTRAST
0~63
SA
SEPARA TION ADJUSTMENT
0~14
QEW
Q EW-WIDTH
0~15
PCT
CON T RA ST
0~15
PTT
PIP
TIN T
0~63
PHM
HORIZENTAL M OVE
0~15
PVP
PAL VERTICAL POSITION
0~63
NVP
NTSC VERTICAL POSITIO N
0~63
PHP
HORIZENTAL POSITION
0~63
NSR
NTSC SUB COLOR
0~23
FFI
FAST FILTER IF-PLL
0~1
PIP
PIP
PIP
PIP
PIP
Alignment and Adjustments
Samsung Electronics 4-3
4-2-3 Test Pattern
1. This mode can be used during servicing, or for confirming that the convergence and purity adjustments
are correct.
2. Access the Test Pattern parameters by pressing a CHANNEL keys (▲ ,▼) while the Service Mode is on.
The cursor will move to the test pattern. Press the VOLUME keys. On-screen display:
•
RED
•
GREEN
•
BLUE
•
WHITE
3. AGING Mode (Reference Only)
This pattern is used for pre-heating the CRT during manufacturing--it is accessed in the factory by
twice pressing the ÒHIDDEN Ò key.
Even if the TV power is cut off, the Aging Mode is not cancelled, The AGING mode is cancelled by
repressing the ÒHIDDENÓ or any key on the front pannel.
2(CH) PDL 0(FIXED ) TSC 40
AG C 18(F IXE D ) VOL 25(F IXE D ) SA 25(FIX E D)
VC O 80(F IXE D ) PSL 31(FIXE D ) QEW 5
SBT 7 PVS 31 PCT 7(F IXE D )
SCT 16 PVA 31 PTT 31(FIXE D )
SC R 5(FIXED ) PHS 40 PHM 8(F IXE D )
SC 11(F IXE D ) PEW 38 PVP 31(FIX ED )
RG 31 PEP 22 NVP 3 1(FIXE D )
BG 31 PEC 22 PHP 42(FIX E D)
CDL 7(FIXE D) PET 30 NSR 3(F IXE D )
STT 10(FIX E D) VSC 31(F IXE D ) FFI
1:INDIA,0:OTHE RS
OSD
INITIAL OSD
OSD
INITIAL
INITIAL
FACTORY MODE VALUE