Question about Televison & Video
Dropping all voltages from power supply
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: JVC DLP MOD#HD55G466 what is the
Ballast board gets voltage from power supply connector CN90BL and volts readings are as follows:
Pin-1 = 380V DC
Pin-2 = Ground
Pin-3 = 15V DC
and output of ballast board would be 12,000 volts AC that goes to lamp to generate spark in its electrodes to produce high bright light.
If you get volts on input of ballast board but still lamp does not fire up then ballast board is not working.
Ballast board part number is QAL0765-001 and available with tv-part.com for $125
Hope these info will help you.
Posted on Nov 16, 2010
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