Read Panasonic KX-TG8061RUB / KX-TG8061UAB / KX-TG8061CAB / KX-TGA806RUB Service Manual online
7
KX-TG8061RUB/KX-TG8061UAB/KX-TG8061CAB/KX-TGA806RUB
4 Technical Descriptions
4.1.
Block Diagram (Base Unit)
Analog
Front
End
To TEL_LINE
Bridge
Rect
D
3
D
D
3
Hook Switch
Q
3
,Q4,Q5
Q
Q
3
,Q
4
,Q
5
Audio
Bell/Caller ID
Interface
CPU
25
27
19
21
2
3
24
18
BELL
HOOK
Off-Hook Line Voltage
17
A/D
D/A
ADPCM
Codec Filter
DSP
Speech Encoding
Speech Decoding
BMC
Burst Encoding
Burst Decoding
RF
PLL
5
2
77
9
10
EEPROM
SCL
SDA
55
7
3
74
To AC Adaptor
To HANDSET
Limit
Resistor
Charge
Detector
Power Failer Mode
Power Supply SW
Q
3
51,IC
3
51
CHARGE(+)
CHARGE(-)
Optional
Optional
DC/DC convertorD
C
/D
C
c
o
n
v
e
rt
o
r
IC2,L
3
,C
3
6,Q602
IC
2
,L
3
,C
3
6
,Q
6
0
2
Q9Q
9
Q8Q
8
2.4V
Reg.
1.8V
Reg.
2.85 V
2.4 V
1.8 V
BBIC
IC401
IC7
KX-TG8061 BLOCK DIA
GRAM
(BASE UNIT)
MOD/DEMOD
Charge
Pump
DCDC
Converter
54
XTAL
X1X
1
10.
3
68
MHz
RX
n
RX
p
TX
p
TX
n
TX
on
RX
on
D801
6
72
ANT1
ANT2
ANT1
ANT2
ANT1
ANT2
78
80
L1
L2
DCP
DCM
3
FLASH MEMORY
IC421
QSPI
FLASH MEMORY
IC4
3
1
53
3
.0V
3
.0V
70
71
71
72
69
69
TAM-CSn
SPI-DI
SPI-DO
SPI-DO
SPICLK
QSPI-CS
DC-SENSE
DC-CTRL
QSPI-SCK
QSPI-IO 0-3
119, 120,
123, 126
Q22,Q2
3
R55,R56,
D22
CD_I
120
125
125
QSPI
Control
108
107
109
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