11
KX-TG8201CB/KX-TG8202CB/KX-TGA820CB
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)
Summary of Contents for KX-TG8201CB
Page 2: ...2 KX TG8201CB KX TG8202CB KX TGA820CB ...
Page 14: ...14 KX TG8201CB KX TG8202CB KX TGA820CB 4 6 Signal Route ...
Page 16: ...16 KX TG8201CB KX TG8202CB KX TGA820CB 6 Installation Instructions 6 1 Connections ...
Page 19: ...19 KX TG8201CB KX TG8202CB KX TGA820CB 7 Operation Instructions 7 1 Programmable Settings ...
Page 20: ...20 KX TG8201CB KX TG8202CB KX TGA820CB ...
Page 22: ...22 KX TG8201CB KX TG8202CB KX TGA820CB 7 4 Error Messages ...
Page 23: ...23 KX TG8201CB KX TG8202CB KX TGA820CB 7 5 Troubleshooting ...
Page 24: ...24 KX TG8201CB KX TG8202CB KX TGA820CB ...
Page 25: ...25 KX TG8201CB KX TG8202CB KX TGA820CB ...
Page 26: ...26 KX TG8201CB KX TG8202CB KX TGA820CB ...
Page 27: ...27 KX TG8201CB KX TG8202CB KX TGA820CB 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...
Page 29: ...29 KX TG8201CB KX TG8202CB KX TGA820CB 8 1 2 Handset ...
Page 50: ...50 KX TG8201CB KX TG8202CB KX TGA820CB ...
Page 51: ...51 KX TG8201CB KX TG8202CB KX TGA820CB 10 1 2 Handset ...
Page 52: ...52 KX TG8201CB KX TG8202CB KX TGA820CB 10 1 3 Charger Unit ...
Page 81: ...81 KX TG8201CB KX TG8202CB KX TGA820CB 15 3 Cabinet and Electrical Parts Charger Unit ...
Page 83: ...83 KX TG8201CB KX TG8202CB KX TGA820CB 15 4 2 KX TGA820CB ...