Block Diagram (Handset) - Panasonic KX-TG7100FXS Service Manual

4.3.

Block Diagram (Handset)

SPEAKER
RECEIVER
MIC
CHARGE(+)
CHARGE
CHARGE
CIRCUIT
CONTACTS
Q4,Q5,Q9
R7
CHARGE(-)
D7
J1
SWITCHED
BATTERY
SUPPLY
TERMINAL
Q1 Q1
J2
LCD
LCD-BACK LIGHT
KEY-BACK LIGHT
Ringer LED
30
32
66
67
72
CHARGE
62
CHARGE DETECT
52
45
SCL
EEPROM
44
IC3
SDA
VBAT1
58
DC/DC-SWITCH
56
2.5V
4.0V
59
2.5V
Q3
1.8V
60
1.8V
Q2
RS 11
77
RESET
CS 6
SI
9
SCL 10
7
75
46
KX-TG7100FXS/KX-TG7100FXT/KX-TG7102FXS/KX-TGA711FXS/KX-TGA711FXT
Speech
Decoding
D/A
Speech
Encoding
A/D
ADPCM
Codec
Analog
Filter
Front
End
DSP
CPU
27,28,34,35,36,74
BBIC
IC1
KX-TGA711 BLOCK DIAGRAM (HANDSET)
11
RXDA
23
Burst
Decoding
TXDA
22
Burst
Encoding
19 RSSI
25
SYDA
RF
26 SYEN
Interface
24
SYCL
BMC
XTAL
16 X1
17
ON SWITCH
61
1,12,40,76 ROWS
COLUMNS
RF
Module
IC4
10.368
MHz
BATTERY
KEYPAD