Toshiba Satellite A660-BT3G25X Maintenance Manual - Page 58

2 Troubleshooting Procedures 2.7 TV-Tuner Failure Troubleshooting START IS D B -T DVBT & DMBT Perform T V T uner C able connection check (Procedure 1) Perform TV Tuner B -C A S card connection check (procedure 4) D oes replacem ent B C A S card function p ro p e rly ? R eplace Y es B -CA S card R eplace D oes replacem ent T V T V T uner Y es T uner cable function c a b le p ro p e rly ? No P erform T V T uner A ntenna connection check No (Procedure 2) R eplace D oes replacem ent T V T V T uner Y es T uner A ntenna function A ntenna p ro p e rly ? No Perform B -C A S card slot check (Procedure 5 ) D oes replacem ent B - R eplace C A S card function Y es B -CA S p ro p e rly ? s lo t No Perform T V T uner M odule connection check (Procedure 3) R eplace TV Tuner Yes M odule D oes replacem ent T V T uner M odule function p ro p e rly ? No R eplace system board END Figure 2-6 TV-out troubleshooting process SatelliteA660/ProA660 Series Maintenance Manual 24