Philips DELLP1230 - Page 85

85
20 asymmetry EW
output
50Hz< freq. <160Hz
pin22 determin the AGC
pin23,pin24 determin frequency
22,23,24
VAGC,VREF,VCAP
21 EHT_compen.
to 7503 pin30
for soft start
compensate for the V_size
owing the load variation
Hunlock pin is floating while pll1(pin26) is
unlock in searching mode
17. Hunlock
18. IIC SCL = hi
19 IIC SDA = hi
initial fail could be these of IC
7421,7701,7781,7336
Repair Flow Chart
9
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Dell P1230 M25P