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3V3 Power Supply Repair With External DC Power Supply
Check if there is no short circuit on the output.
Connect an external DC power supply on C2261 and adjust the
output to 19V, limit the current to 700mA max.
Check the output voltage 3,3V ?
Oscillator pin 1
Vcc = 19V
Pin 16 = 5,1V.
Pin 17 SS = 18V
Pin 11 = 0,7V
Pin 12 = 3,2V (if power supply is OK)
22
Chapter 09
page
P7
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