Samsung CB21F12TSXXEC SERVICE MANUAL free download

File name CB21F12TSXXEC_SERVICE MANUAL.zip

Alignment and Adjustments 4. Alignment and Adjustments 4-1 Preadjustment 4-1-1 Factory Mode 4-1-3 When CRT Is Replaced 1. Do not attempt these adjustments in the Video 1. Make the following adjustments AFTER set- Mode. ting up after setting up purity and conver- gence : 2. The Factory Mode adjustments are necessary when either the EEPROM (IC902) or the CRT White Balance is replaced. Sub-Brightness Vertical Center 3. Do not tamper with the "Adjustment" screen Vertical Size of the Factory Mode menu. This screen is Horizontal Size intended only for factory use. Fail Safe (This adjustment must be the last step). 4-1-2 When EEPROM (IC902) Is Replaced 2. If the EEPROM or CRT is replaced, set PVA to 1. When IC902 is replaced all adjustment data 40 (factory mode) and set SC as follows. revert to initial values. It is necessary to re-program this data. 14 inch : 0 20 inch : 9 2. After IC902 is replaced, warm up the TV for 21 inch : 9 10 seconds. 4-2 Factory/Service Mode 4-2-1 Procedure for the "Adjustment" Mode 4. Selection sequences for the all system: 1. This mode uses the standard remote control. The Service Mode is activated by entering the DOWN or UP key: following remote-control sequence : SCT>SBT>BLR>BLB>RG>GG>BG>VSL> VS>VA>HS>SC>SDL>STT>SSP>PDL> (1) DISPLAYFACTORY. NDL>PSR>NSR>AGC>VOL>LCO>TXP (2) STAND-BY DISPLAY MENU MUTE 5. The VOLUME keys increase or decrease the POWER ON. adjustment values (stored in the non-volatile memory) when Adjustment Mode 2. The "SERVICE (FACTORY)" message will be is cancelled. displayed. The Service Mode has four compo- nents: ADJUST, OPTION and Reset. 6. Cancel the Adjustment Mode by re-pressing the "FACTORY" or "Power OFF" keys. 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 CHAN- NEL keys (v ,w). Samsung Electronics 4-1 Alignment and Adjustments 4-2-2 Main Adjustment Parameter OSD F U N CT I