89
202P4 M25P
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
Содержание 202P4
Страница 31: ...Terminal Schematic Diagram A1 Go to cover page ...
Страница 33: ......
Страница 34: ......
Страница 35: ...Go to cover page ...
Страница 37: ...Key Control Schematic Diagram 202P4 M25P 32 34 Go to cover page E ...
Страница 39: ...Go to cover page ...
Страница 41: ......
Страница 43: ...Power Schematic Diagram C C1 C6 C2 C7 C3 C4 C5 C9 C8 Go to cover page ...
Страница 45: ...Drive Schematic Diagram 202P4 M25P 32 38 D Go to cover page ...
Страница 91: ...83 202P4 M25P Repair Flow Chart Go to cover page 7 0 2 ...