Ig Block Diagram - Panasonic KX-T2388 Service Manual And Technical Manual

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KX-T2388
<For Handset>
1C1:
PQVI451N9968
Program ROM: 4K byte (8 bit)
Internal RAM: 768 byte (4 bit)
System Clock Frequency: 480 kHz
Power Supply Voltage: 2.2~6V
TONE
OUT
Hook Input
Mute Control Output
Pulse Dial Output
Backup Signai
Backup Signal
Backup Signal
Backup Signal
Key Tone Output
Pull Up Power Output
GND Terminal
DTMF Signal Output
OONOGA
WN
Active
Key Tone Output
Active
System Clock
System Clock
System Reset Signal
Line Power Input
Key-Scan Output
Key-Scan Output
Key-Scan Output
Key-Scan Output
+ Power Source Terminal
Normal
bie
ee
|
Tone/Pulse SW input
Program Key Input
Disable
Enable
Option Data Input
;
Option Data Input
Store LED Output Control
Circuit OFF
Make
Normal
Disable
Normal
Reset
Standby
i
Let
|
NS

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