COLOR TELEVISION RECEIVER - Tecnicosaurios

Alignment and Adjustments3. Alignment and Adjustments3-1 Preadjustment1. Since there are no VRs in the KCT52A chassis,all adjustments after parts replacement mustbe done in the Service Mode.2. The Factory Mode adjustments are necessarywhen either the EEPROM (IC902) or the CRTis replaced.3. Do not tamper with the Ò AdjustmentÓ screenof the Factory Mode menu. This screen isintended only for factory use.4. WHEN EEPROM (IC902) IS REPLACED(1) When IC902 is replaced, all adjustment datarevert to their initial values. It is necessary tore-program this data.(2) After IC902 is replaced, warm up the TV for10 seconds.Make the following adjustments AFTER settingup purity and convergence:White BalanceSub-BrightnessVertical CenterVertical SizeHorizontal Size (No use in 21Ó and 25Ómodels)3-2 Factory (“SERVICE”) Mode1. The set must be in Factory (ÒServiceÓ) Mode.Selection sequence:STAND-BY ® MUTE ® 1 ® 8 ®2®POWER ON2. The Ò FACTORY MODEÓ message will be displayed. The Factory Modehas four components : Adjustment, Test Pattern, Set Option Byte, andFactory Reset.3. Access the Adjustment Mode by pressing the ÒVOLUMEÓ keys ( , )The adjustment parameters are listed in the accompanying table.Select them by pressing the CHANNEL keys (▲,▼).▼4. After completing the Factory Mode adjustments, turn the power switchOFF.▼Samsung Electronics 3-1