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17. Hunlock
18. IIC sda = hi
19 IIC scl = hi
20 asymmetry EW
output
21 EHT_compen.
22,23,24
VAGC,VREF,VCAP
26,27,28,29
Hpll1,Hbuf,Href, Hcap
30. PLL2
31 EHT_compen.
32. Focus
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Repair Flow Chart (Continued)
Hunlock pin is floating while pll1(pin26) is
unlock in searching mode
initial fail could be these of IC
7503,7301,7304,7804
to 7503 pin30
for soft start
compensate for the V_size
owing the load variation
pin22 determin the AGC
pin23,pin24 determin frequency
pin26 determin the
pll1 loop filter
pin 27,28,29 H-Freq
working range
1.compare the HFLBand control the phase of HDRV
2.softstart
compensate for the H_size owing the load variation
to 7642 for the V dynamic focus
107P2 CM 25 GSIII
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50Hz< freq. <160Hz
30K<freq.<92KHz
75
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