14
B
LOCK
DI
A
G
RA
M
(BA
S
E
UNI
T)
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
A/D
D/A
ADPCM
Codec Filter
DSP
BBIC
IC4
Speech Encoding
Speech Decoding
BMC
Burst Encoding
Burst Decoding
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
18
19
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
3.0V
ANS LED
SP-PHONE LED
LCD
85,86,87,88,
89,90,91,92
68,69,70,71,
72,73,74,75
2AP PCB
Charge Detect
12
KX-TG1283 BLOCK DIAGRAM (BASE UNIT)
KX-TG1283BXS / KX-TG1283B XT / KX-TCA122CXS / KX-TCA122CXT / KX-TCA121CXS / KX-TCA121CXT
47
Содержание KX-TG1283BXS
Страница 54: ...19 SIGNAL ROUTE 54 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...
Страница 55: ...55 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...
Страница 64: ...22 2 Handset 64 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...
Страница 76: ...27 2 KX TCA121CXS CXT 76 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...
Страница 78: ...28 3 Charger Unit 78 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...
Страница 89: ...Memo 89 KX TG1283BXS KX TG1283BXT KX TCA122CXS KX TCA122CXT KX TCA121CXS KX TCA121CXT ...