As you read further, you enter the second level containing the information for component level to repair the board. The first level covers board replacement. This training manual covers circuit description and troubleshooting for the direct view HA-3 TV chassis and the similar projection TV RA-5A chassis. 95 HV Block Description (Component level repairs). HV Power Supply Start Up (Board level repairs). iii Physical Video/Sync Path (RA-5A Chassis). Board Replacement (RA-5A Chassis).102 AppendixĬonnector Layout (HA-3 Chassis). Powering up the G board power supplies after parts replacements. Power UP the G board removed from the TV chassis. Power the G board and check output voltages. Secondary Power Supply (HA-3 & RA-5A Chassis). 71 Alternate Video 5/6 Input Path used for troubleshooting only. Convergence Adjustment Overview (HA-3 Chassis). Primary Power Supply ( HA-3 & RA-5A Chassis). 53 DTV Tuner Processing for DTV Box Repair (HA-3 & RA-5A Chassis. ![]() Troubleshooting Information Course: CTV-29/TVP-12 (C29P12)ġ.
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