Philips 202P4 Service Manual page 97
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Also See for 202P4:
- Electronic user's manual (130 pages) ,
- User manual (127 pages) ,
- Specification sheet (2 pages)
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17. Hunlock
18. IIC SCL = hi
19 IIC SDA = hi
20 asymmetry EW
output
21 EHT_compen.
22,23,24
VAGC,VREF,VCAP
Repair Flow Chart
Hunlock pin is floating while pll1(pin26) is
unlock in searching mode
initial fail could be these of IC
7421,7701,7781,7336
to 7503 pin30
for soft start
compensate for the V_size
owing the load variation
pin22 determin the AGC
pin23,pin24 determin frequency
202P4 M25P
9
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50Hz< freq. <160Hz
89
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