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KX-TS2388RUB/KX-TS2388RUW/KX-TS2388CAB/KX-TS2388CAW/KX-TS2388UAB/KX-TS2388UAW
10.1.2. RINGER IC (IC1)
Pin descriptions
Pin No. Pin name
1
Vcc
Power supply pin
2
RSL
RSL pin
3
LFI
Low-frequency time
constant connector pin
4
LFO
5
GND
GND pin
6
HFO
High-frequency time
constant connector pin
7
HFI
8
OUT
Output pin
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Vcc 1
POWER SUPPLY
WITH
RSL 2
HYSTERISIS
LFI 3
LOW FREQ
OSC
LFO 4
Name
This is the power supply pin for the lC. It is connected to the (
the diode bridge.
This is used to change the operation initiation current when connected
to the GND pin.
This is connected to the time constant that determines the oscillation
frequency on the warble.
This pin has the lowest potential on the lC. It is connected to the (
pin of the diode bridge.
This is connected to the time constant that determines the oscillation
frequency on the tone side (the audible frequency side).
This is used to connect a piezoelectric buzzer, or to connect a dynamic
speaker through a transformer.
22
8
OUT
AMP
7
HFI
HIGH FREQ
6
HFO
OSC
5
GND
Function
) pin of
)
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