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KX-T2388
Hf 1C2 (PQVISC79100P)
The IC2 (PQVISC79100P) is REC/PLAY AMP for TAM.
Data is entered serially through pin 9 and pin 10.
The data whether pin 9 is HIGH or LOW when signals to pin 10 go HIGH are read into the internal register.
The register is reset when signals to pin 10 go HIGH and pin 9 becomes HIGH (as shown in Fig. b).
The internal block diagram is shown in Fig. c.
The logic of each switch is shown in Fig. d.
The input signals on each operation are shown in Fig. a.
LINE REC
LINE OUT
Example of data input
Clock
Data
~_
_—
4
ratch
A
B
Oo~
o-~
m>
Se
@)
x=
Fig. b
Dea
eases
ae
Es
H | MicAmp | Line Amp | Pre Out
|ALC|
Rec Amp | PB Amp | Lout AMP | ATT (Power Amp) | ICM
on
on
on
on
i
on
on
off
on
L | MicAmp | Line Amp | Pre Out
|ALC}
Rec Amp | PB Amp | Lout AMP
off
off
off
off
off
on
off
Fig. c
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