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Old 07-03-2020, 06:50 PM   #47
budm
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Join Date: Feb 2010
City & State: S.F. Bay area
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Line Voltage: 120V 60Hz
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Default Re: Old Gateway 2000 speakers out of sorts.

Please fill in these pins below so I can easily see what is going on, we are dealing with 2 amplifiers inside this IC:
Pin 1: N.C.
Pin 2: Bootstrap 2
Pin 3: Output 2
Pin 4: VCC1
Pin 5: Output 1
Pin 6: Bootstrap 1
Pin 7: PWR-GND
Pin 8: VCC2
Pin 9: Ripple filter
Pin 10: NF1 (Negative Feedback 1)
Pin 11: Input 1
Pin 12: Input 2
Pin 13: NF2 (Negative Feedback 2)
Pin 14: Pre-Gnd 1
Pin 15: Pre-Gnd 2
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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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