14 BLOCK DIAGRAM (BASE UNIT)
Analog
Front
End
To TEL_LINE
A
B
CN1
Bridge
Rect D3
Hook Switch
Q4, Q5
Audio
Bell/Caller ID
Interface
CPU
102
100
107
112
84
113
98
BELL
HOOK
Off-Hook Line Voltage
81 ADCO
D/A
A/D
ADPCM
Codec Filter
DSP
BBIC
IC4
Speech Decoding
Speech Encoding
BMC
Burst Decoding
Burst Encoding
RF
Interface
IC2
26
28
RXDA
TXDA
25
39
40
38
RSSI
SYCL
SYDA
SYEN
ANT1
ANT2
RF Module
16
18
2
31
8
21
14
13
12
20
21
XTAL
X1
10.368
MHz
EEPROM
IC3
SCL
SDA
66
67
Flash
Memory
(TAM)
IC6
RESET
CS
SCK
SI
83
80
79
10
SO
94
To AC Adaptor
CN1
Limit
Resistor
Charge
Contacts
2.5V
4.0V
Reg.
IC1
3.0V
Reg.
Q2
1.8V
Reg.
Q3
4.0V
3.0V
1.8V
SP AMP
IC7
110
SP
MIC
118
2.5V
Reg.
IC11
Key Matrix
58,61,62,63
15,42,50,51,52,53,54
13
3.0V
IN USE LED
2AP PCB
74VHC574
(D_FF)
IC9
74VHC574
(D_FF)
IC10
KX-TCD346 BLOCK DIAGRAM (BASE UNIT)
3.0V
ANS LED
LCD
85,86,87,88,
89,90,91,92
68,69,70,71,
72,73,74,75
2AP PCB
Charge Detect
12
Flash
Memory
(Program)
IC8
43,44,60,
2-9,29-32,
121-128
Q902
Q903
SP-PHONE LED
Q901
K
X
-T
C
D
3
46U
A
S
/
K
X-
T
C
D
346
U
A
T
/
K
X-
T
C
A
132U
A
S
/
K
X-
T
C
A
132U
A
T
/
K
X-
T
C
A
130U
A
S
/
K
X-
T
C
A
130U
A
T
44
Summary of Contents for KX-TCA130UAS
Page 10: ...10 KX TCD346UAS KX TCD346UAT KX TCA132UAS KX TCA132UAT KX TCA130UAS KX TCA130UAT ...
Page 52: ...52 KX TCD346UAS KX TCD346UAT KX TCA132UAS KX TCA132UAT KX TCA130UAS KX TCA130UAT ...
Page 61: ...22 2 Handset 61 KX TCD346UAS KX TCD346UAT KX TCA132UAS KX TCA132UAT KX TCA130UAS KX TCA130UAT ...
Page 86: ...Memo 86 KX TCD346UAS KX TCD346UAT KX TCA132UAS KX TCA132UAT KX TCA130UAS KX TCA130UAT ...
Page 91: ...Memo 91 KX TCD346UAS KX TCD346UAT KX TCA132UAS KX TCA132UAT KX TCA130UAS KX TCA130UAT ...