JVC CA-C55BK - IC Descriptions - Delay Circuit and ALC; BU9251 S (IC999) Delay Circuit and BA8221 N (IC353) ALC Details

DX-C55BK
@ 8U9251S(1C999) : Delay circuit
internal Block Diagram
Address counter
&
Main timming
A capacitor is connected for sample&hold
AIN Analog input te | OSC1 |Oscillation terminal
AOUT |Analog output TDOO |Test terminal
DCNTO {Delay time control 15 | TST2 |Test mode terminal
7 DCNT1 {Delay time control } 16 | TST1 |Test mode terminal
DCNT2 jDelay time control TSTO |Test mode terminal
WM BA8221N (1C353) : ALC
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(
RIN LIN TC GND MUTE LO RO- vCcCc
(No.20474) 2-5