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KX-T2388
Mi MONITOR
Circuit
Operation:
The monitor signal flows as follows:
R50 > C31 ~ pin 20 of IC2 — pin 16 of IC2 > C46 > R78 > pin 15 of IC2 > pin 7 of IC2 > C41 > SPEAKER.
A beep signal is heard through the speaker at all times except when the recorded tape is being played back.
Beep tone: Pin 9 of IC1 > C35 > R71 > pin 15 of IC2 > pin 7 of C2
— C41 > SPEAKER.
Mi PLAYBACK
CIRCUIT
(OGM
and
ICM
MESSAGE)
Circuit
Operation:
Playback signal flows as following:
Circuit Diagram
Di9
C28
FH._§>ics@
C297
R51
D18
C31
R50
R15
Q3
Ic2
Tel Line
RSS
C33
Qs
R17
ng
i)
JACK
hf}
101 Q)
R71
,
Sage
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