Samsung DVD-909 Service Manual page 64

474
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REAGCO
The control parameters of DVD EQ and CD EQ are as follows.
1) DVD CD EQ control parameter
ΠEQG (Pin 97) : Changes the gain of peak frequency with EQ frequency characteristic. Convert PWM signal,
output from KS1453, into DC via low-pass filter.
´ EQF (Pin 98) : Changes the peak frequency with EQ frequency characteristic. Convert PWM signal, output
from KS1453, into DVD via low-pass filter.
Samsung Electronics
EQIN
.
RF EQ
Fig. 6-12
Circuit Descriptions
,
RFEQO
6-7