Owners Guide
Page 8
... and are required, be left permanently in one corner of the screen or a "PATTERN BURN" may develop over a long period of any service or repairs to the television set, ask the service technician to perform routine safety checks to make occasional snapping or popping sounds, particularly when being turned on... by your dealer or service technician. FOR SERVICING AND MODIFICATION 25 Do not use attachments not recommended by the television set and consult your Hitachi Factory Warranty. If the snapping or popping is continuous or frequent, unplug the set manufacturer as the original part.
... and are required, be left permanently in one corner of the screen or a "PATTERN BURN" may develop over a long period of any service or repairs to the television set, ask the service technician to perform routine safety checks to make occasional snapping or popping sounds, particularly when being turned on... by your dealer or service technician. FOR SERVICING AND MODIFICATION 25 Do not use attachments not recommended by the television set and consult your Hitachi Factory Warranty. If the snapping or popping is continuous or frequent, unplug the set manufacturer as the original part.