Read Panasonic KX-TEB308CA / KX-TE82460X / KX-TE82493X / KX-A227X Service Manual online
7
KX-TEB308CA/KX-TE82460X/KX-TE82493X/KX-A227X
4.2.
Power Block Diagram
4.3.
Main Block Diagram
KX-TE
B308CA 1AP BLOCK DIAGRAM
Ho
st i/f
st i/f
Q1-4,TOE1,2,STD1,2
TONE
25Hz
CROSS
POINT
ROM
SRAM
DTMFR(1,2)
(For EXT)
PIO
ASIC
BELL
TONE
(I/O)HOOK1-8,BELL1-8
620,
425Hz
CO CID
CONNECTOR
D-Sub
POWER UNIT
CONNECTOR
CONNECTOR
USB
CO1-3
EXT1-8
I/O,DTMFG
BGM
PAGE
CO
(2AP)
Card
CONNECTOR
ASIC
8086
DSP
P I O
APT i/f
BV Card
CONNECTOR
TAM1-2,TONE
(APT i/f)PRX,PTX,PTXE1-3
(UART)RXD,TXD
EXT1
EXT2
EXT3
EXT4
EXT5
EXT6
EXT7
EXT8
Ringer
Circuit
Circuit
Door Phone
Door Opener
CONNECTOR
DOOR1,2
Int CID(FSK,DTMF)
OGM,Modem
CN708
CN707
CN701
CN706
CN710
CN704
CN703
IC601
IC602
IC603
IC602
IC603
IC705
IC704
IC704
IC700
IC7, IC8
IC606, IC607
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