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SPEAKER
EARPIECE
MIC
Headset
JACK
+
TP5
CHARGE
CHARGE
CIRCUIT
CONTACTS
Q7, Q8
TP6
TP3
SWITCHED
BATTERY
SUPPLY
TERMINAL
Q1
TP4
4.0V
LCD
AMPLIFIER
IC4
CHARGE
CHARGE DETECT
6
EEPROM
IC3
5
VDDBAT
SWITCH
D20
INH/RS
CS/CE
DISDATA
DISCLK
ADR 00~18
Flash
Memory
CE, OE, WR
IC2
DAT 00~07
40
D/A
39
47
A/D
43
Analog
SP_AMP
Front
End
69
36
25
SCL
65
SDA
64
34
26
CPU
35
VDDLR
67
63
86
50
Speech
Burst
Decoding
Decoding
Speech
Burst
Encoding
Encoding
ADPCM
RF
Codec
Interface
Filter
DSP
BMC
51~53, 57, 58
15~19
BBIC
IC1
KX-A145EXM BLOCK DIAGRAM (HANDSET)
ANT
10
RXDA
14
TXDA
RF
Module
46
RSSI
IC10
21
SYRI
11
SYEN
31
XTAL
X1
10.368
MHz
29
ON SWITCH
32
24
ROWS
KEYPAD
COLUMNS
79
BACKLIT
KEYPAD LEDS
80
SP-PHONE LED
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