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11
KX-TG8231B/KX-TG8232B/KX-TGA820B
4.3.
Block Diagram (Handset)
SPEAKER
RECEIVER
MIC
CN4
Headset
CHARGE
CIRCUIT
Q4,Q5,Q9
R7
CHARGE
CONTACTS
)
CHARGE(-)
CHARGE
CHARGE DETECT
EEPROM
SCL
SDA
SWITCHED
SUPPLY
Q1
Q1
BATTERY
TERMINAL
D7
VBAT1
DC/DC-SWITCH
J1
J2
2.5V
Q3
1.8V
Q2
4.0V
2.5V
1.8V
LCD
CD
RESET
CSB
SDA
SCL
CPU
Analog
Front
End
D/A
A/D
32
30
66
67
72
62
52
45
44
58
56
59
60
6
47
46
77
ADPCM
Codec
Filter
DSP
Speech
Decoding
Speech
Encoding
BMC
Burst
Decoding
Burst
Encoding
RF
Interface
RF
Module
IC4
23
22
RXDA
TXDA
19
26
25
24
RSSI
SYDA
SYEN
SYCL
16
17
XTAL
X1
10.368
MHz
BATTERY
61
ON SWITCH
KEYPAD
ROWS
COLUMNS
1,12,40,76
27,28,34,35,36,74
BBIC
IC1
IC3
11
LCD-BACK LIGHT
KEY-BACK LIGHT
5
1
2
3
4
5
75
KX-TGA820 BLOCK DIAGRAM
(HANDSET)
Содержание KX-TG8231B
Страница 2: ...2 KX TG8231B KX TG8232B KX TGA820B ...
Страница 14: ...14 KX TG8231B KX TG8232B KX TGA820B 4 6 Signal Route ...
Страница 15: ...15 KX TG8231B KX TG8232B KX TGA820B ...
Страница 17: ...17 KX TG8231B KX TG8232B KX TGA820B 6 Installation Instructions 6 1 Connections ...
Страница 20: ...20 KX TG8231B KX TG8232B KX TGA820B 7 Operation Instructions 7 1 Programmable Settings ...
Страница 21: ...21 KX TG8231B KX TG8232B KX TGA820B ...
Страница 22: ...22 KX TG8231B KX TG8232B KX TGA820B ...
Страница 24: ...24 KX TG8231B KX TG8232B KX TGA820B 7 4 Error Messages ...
Страница 25: ...25 KX TG8231B KX TG8232B KX TGA820B 7 5 Troubleshooting ...
Страница 26: ...26 KX TG8231B KX TG8232B KX TGA820B ...
Страница 27: ...27 KX TG8231B KX TG8232B KX TGA820B ...
Страница 28: ...28 KX TG8231B KX TG8232B KX TGA820B ...
Страница 29: ...29 KX TG8231B KX TG8232B KX TGA820B ...
Страница 30: ...30 KX TG8231B KX TG8232B KX TGA820B 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...
Страница 32: ...32 KX TG8231B KX TG8232B KX TGA820B 8 1 2 Handset ...
Страница 54: ...54 KX TG8231B KX TG8232B KX TGA820B ...
Страница 55: ...55 KX TG8231B KX TG8232B KX TGA820B 10 1 2 Handset ...
Страница 56: ...56 KX TG8231B KX TG8232B KX TGA820B 10 1 3 Charger Unit ...
Страница 71: ...71 KX TG8231B KX TG8232B KX TGA820B Memo ...
Страница 89: ...89 KX TG8231B KX TG8232B KX TGA820B 15 3 Cabinet and Electrical Parts Charger Unit ...
Страница 90: ...90 KX TG8231B KX TG8232B KX TGA820B 15 4 Accessories and Packing Materials 15 4 1 KX TG8231B ...
Страница 91: ...91 KX TG8231B KX TG8232B KX TGA820B 15 4 2 KX TG8232B ...
Страница 92: ...92 KX TG8231B KX TG8232B KX TGA820B 15 4 3 KX TGA820B ...