Block Diagram (Handset) - Panasonic KX-TCA181RUT Service Manual

16 BLOCK DIAGRAM (HANDSET)

SPEAKER
IC2
RECEIVER
CN4
MIC
1
2
3
4
5
CHARGE(+) CHARGE
CHARGE
CIRCUIT
CONTACTS
Q4,Q5,Q9 Q4,Q5,Q9
R7 R7
CHARGE(-)
D7
BATTERY+
SWITCHED
BATTERY
SUPPLY
TERMINAL
Q1 Q1
BATTERY-
R43
IrDA SD
Module
TXD
IC21
RXD
LCD-BACK LIGHT
KEY-BACK LIGHT
ACS0(60), ACS1(59), ACS2(61)
RDN(43), WRN(44)
BE0n(65), BE1n(64), AD22(36)
AD1- AD20 (3-9, 29-34, 122-128)
FLASH MEMORY
ACS0(60), RDN(43), WRN(44)
(8M 8M:16M bit)
IC11
AD1- AD16 (3-9, 29, 30, 122-128)
SRAM
ASC1(59), RDN(43), WRN(44), BE0n(65), BE1n(64)
(1M bit)
IC13
112
AMPLIFIER
110
111
118
SP_AMP CONTROL 14
CHARGE 97
CHARGE DETECT 96
VBAT1
107
DC/DC-SWITCH
93
3.3V
4.0V
104
2.5V
Q3 Q3
1.8V
103
1.8V
Q2 Q2
15
47
48
79
42
KX-TCD815RUS / KX-TCD815RUT / KX-TCA181RUS / KX-TCA181RUT
Speech
Decoding
D/A
Speech
Encoding
A/D
ADPCM
Codec
Analog
Filter
Front
End
DSP
CPU
AD1-AD20
DAB0-DAB15
3-9, 29-34
68-75, 85-92
122-128
ACS2(61) or AD22(36)
RDN(43), WRN(44)
DAB0 - DAB15 (68-75, 85-92)
AD1- AD7 (122-128)
ACS2(61) or AD22(36)
RDN(43), WRN(44)
DAB0 - DAB15 (68-75, 85-92)
49
RXDA
26
Burst
Decoding
TXDA
28
Burst
Encoding
RSSI
25
39
SYDA
RF
38
SYEN
Interface
40
SYCL
BMC
XTAL
21 X1 X1
20
BBIC
IC1
ON SWITCH
95
58
10,66,80 ROWS
50-54,81-83 COLUMNS
62
113
11
57 63
D/C RESET
LCD
(128 160 dot)
DREQ0 INTR
USB controller
KX-TCA181 BLOCK DIAGRAM (HANDSET)
RF
Module
IC20
10.368
MHz
BATTERY
KEYPAD
CN8
Vbus
D
D
ID
GND