Question about Televison & Video
How do I remove the convergence board from a JVC av48wp74 rear projection tv, in oorder to replace the convergence ICs and resistors
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Posted on Jan 02, 2017
you have to lift one side of the resistor from circuit in order to measure resistance otherwise a open resistor will not read open as you will be reading the resistance from the surrounding circuit. Always lift one side of a resistor out of circuit when testing with a ohms meter.
Posted on Jun 06, 2008
SOURCE: JVC AV48WP74 Service mode
Press SLEEP TIMER and, while the indication of (SLEEP TIMER 0 MIN) is being displayed.
press DISPLAY and VIDEO STATUS on the RC simultaneously. Exit: EXIT.
Posted on Jul 10, 2009
A Google search for the board part number returned several sources. Here's one. You should also check the values of resistors around the STK's. When the IC's fail, the resistors can change value which can cause the repeat failure you're experiencing.
Posted on Sep 24, 2009
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