SAMSUNG CS-15K8MNQ, CS-15M16MJQ, CS-21M16MQQ Service Manual Alignment & Adjustment

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.
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 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 PVAto 40 (factory mode) and set SC as follows.
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) DISPLAY→FACTORY. (2) STAND-BY→ DISPLAY→ MENU→ MUTE
POWER ON.
2. The “SERVICE (FACTORY)” message will be displayed. The Service Mode has three compo­nents: ADJUST , OPTION,OPTION1,G2 Adjust and Reset.
3. Access the Adjustment Mode by pressing the “VOLUME” keys ( Up or Down). The adjust­ment parameters are listed in the accompany­ing table, and selected by pressing the CHAN­NEL keys (▲ ,).
4. Selection sequences for the all system:
DOWN or UP key:
AGC>SCT>SBT>BLR>BLB>RG>GG>BG> VSL>VS>VA>HS>SC>CDL>STT>AKB> PDL>NDL>PSR>NSR>VOL>LCO>TXP> MVOL>FMWS>AGCS>OMD>SCL>PWL>
AGN>PEK>ACL>FCO>SCBT>SSP>PSNS
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 “FACTORY” or “Power OFF” keys.
4-2-2 Main Adjustment Parameter
Alignment and Adjustments
4-2
Samsung Electronics
OSD FUNCTION RANGE INITIAL DATA REMARK AGC RF AGC 0 … 63 33 SCT Sub contrast 0 … 23 13 SBT Sub brightness 0 … 23 9 BLR Black level offset R 0 … 63 31 BLB Black level offset B 0 … 63 27
RG White point R 0 … 63 32 GG White point G 0 … 63 32(FIX) BG White point B 0 … 63 31
VSL Vertical slope 0 … 63 19
VS Vertical shift 0 … 63 38 VA Vertical amplitude 0 … 63 40(FIX) HS Horizontal shift 0 … 63 30
SC S-correction 0 … 63 24 CDL Cathode drive level 0 … 15 12 STT Sub tint 0 … 7 7 AKB Black current stabilization 0 … 1 0 PDL PAL delay 0 … 15 1 NDL NTSC delay 0 … 15 10 PSR PAL sub color 0 … 23 15 NSR NTSC sub color 0 … 23 10 VOL Volume pre setting 0 … 63 10 LCO SECAM-L Vision IF 0 … 1 0 TXP TTX Position 0 … 15 9
MVOL Melody initial volume adjustment 0 … 50 10 FMWS Narrow-band sound PLL window selection 0 … 1 0 AGCS IF AGC speed 0 … 3 1
OMD Off-set IF demodulator 0 … 63 26 SCL Soft clipping level 0 … 3 1 PWL Peak white limiting 0 … 15 12 AGN FM demodulator gain 0 … 1 1 PEK Peaking center frequency 0 … 3 2 ACL Automatic color limiting 0 … 1 0 FCO Forced color limiting 0 … 1 0
SCBT Screen brightness 0 … 63 45
SSP Sub Sharpness gain adjustment 0 … 23 20
PSNS Identify sensitivity PAL/NTSC decoder 0 … 1 1
Alignment and Adjustments
Samsung Electronics 4-3
4-2-3 Option Bytes
In the Service Mode, various can be selected via the Option Table. Example:
Option Table:XX XX XX XX
1 LNA ON
2 SYSTEM CZ
3 AUDIO STEREO
4 JACK
SCART
5 ZOOM NOR/ZOOM/16:9
6 AUTO POWER ON
7 SBL OFF
8 2nd SIF ON
9 HOTEL MODE OFF
10 BKS ON
11 HIGH DEVIA ON
12 HELP MENU ON
13 TIME ON
14 V-GUARD OFF
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