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Old 09-11-2018, 10:39 AM   #27
budm
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Default Re: HANNS G HZ281 White Screen

Quote:
Originally Posted by rrflorida View Post
U102 is a 960T45. Left leg is 4.96V, right leg is 3.24V
U300 and U301 are both BUF 07704, which Mouser says is a LCD Gamma Buffer.
960T45 is 3.3V regulator, it is OK. http://www.gmt.com.tw/product/datasheet/EDS-960.pdf
GAMMA chips may be bad, need to look up spec sheet.
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http://www.badcaps.net/forum/showthr...956#post305956

Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999

Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl

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TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809
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