Samsung CS20F10MJ0XBWT Service Manual

Contents

Alignment and AdjustmentsSamsung Electronics 4-14. Alignment and Adjustments4-1 Preadjustment4-1-1 Factory Mode1. Do not attempt these adjustments in the VideoMode.2. The Factory Mode adjustments are necessarywhen either the EEPROM (IC902) or the CRTis replaced.3. Do not tamper with the “Adjustment” screenof the Factory Mode menu. This screen isintended only for factory use.4-1-2 When EEPROM (IC902) Is Replaced1. When IC902 is replaced all adjustment datarevert to initial values. It is necessary tore-program this data.2. After IC902 is replaced, warm up the TV for10 seconds.4-1-3 When CRT Is Replaced1. Make the following adjustments AFTER set-ting up after setting up purity and conver-gence :White BalanceSub-BrightnessVertical CenterVertical SizeHorizontal SizeFail Safe (This adjustment must be the laststep).2. If the EEPROM or CRT is replaced, set PVA to40 (factory mode) and set SC as follows.14 inch : 020 inch : 921 inch : 94-2 Factory/Service Mode4-2-1 Procedure for the “Adjustment” Mode1. This mode uses the standard remote control.The Service Mode is activated by entering thefollowing remote-control sequence :(1) DISPLAY→FACTORY.(2) STAND-BY→ DISPLAY→ MENU→ MUTE→POWER ON.2. The “SERVICE (FACTORY)” message will bedisplayed. The Service Mode has four compo-nents: ADJUST, 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 CHAN-NEL keys ( ,).4. Selection sequences for the all system:DOWN or UP key:SCT>SBT>BLR>BLB>RG>GG>BG>VSL>VS>VA>HS>SC>SDL>STT>SSP>PDL>NDL>PSR>NSR>AGC>VOL>LCO>TXP5. The VOLUME keys increase or decrease theadjustment values (stored in thenon-volatile memory) when Adjustment Modeis cancelled.6. Cancel the Adjustment Mode by re-pressingthe “FACTORY” or “Power OFF” keys.