Block Diagram (Handset) - Panasonic KX-TCD150FXB Service Manual

16 BLOCK DIAGRAM (HANDSET)

EARPIECE
MIC
+
TP5
CHARGE
CHARGE
CONTACTS
CIRCUIT
TP6
TP3
BATTERY
SWITCHED
TERMINAL
SUPPLY
TP4
4.0V
LCD
14 Seg
Display
CHARGE
CHARGE DETECT
6 SCL
EEPROM
IC2 SDA
5
VDDBAT
SWITCH
D3
VDDLR
pin 2, 5~9
COM 0~5
segment 0~29
pin1, 90~100, 87, 78~84,
72~76, 61, 62, 56~58
KX-TCD150FXB / KX-TCD150FXC / KX-TCD152FXB / KX-TCA115EXB / KX-TCA115EXC
Speech
42
Decoding
D/A
41
Speech
46
Encoding
45
A/D
ADPCM
Codec
Analog
Filter
Front
End
DSP
38
27
67
66
36
28
CPU
37
KX-TCA115 BLOCK DIAGRAM (HANDSET)
43
Burst
12 RXDA
Decoding
TXDA
16
Burst
Encoding
48 RSSI
RF
23 SYRI
Interface
13 SYEN
BMC
33 XTAL
10.368
MHz
31
ON SWITCH
26
34
53~55, 59, 60
ROWS
17~21
COLUMNS
IC1
BBIC
ANT
19
4
RF
Module
5
IC3
12
10
KEYPAD