Read Sony HCD-GTR888 Service Manual online
5
There are 2 type of Switching regulator.
One is the same PWM control type as conventional of GTR333 .
And the other is Frequency control type of GTR555/777/888 which is
One is the same PWM control type as conventional of GTR333 .
And the other is Frequency control type of GTR555/777/888 which is
newly-used .
Following are descriptions of the Frequency control type.
Following are descriptions of the Frequency control type.
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