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KX-TG6711RU/KX-TG6712RU/KX-TG6721RU/KX-TG6722RU/KX-TG6711CA/KX-TG6712CA/KX-TG6721CA/KX-TG6722CA/KX-TG6711UA/KX-TG6712UA/KX-TG672IUA//KX-TGA671EX
4 Technical Descriptions
4.1.
Block Diagram (Base Unit)
Oper
ational P
.C
. Board
D101
CHARGE_CONT
A
C
T
+
-
SP
X501
1
3
.824 MHz
ANT
2
ANT
1
TEL J
A
CK
L1R
L1T
DCP
DCM
DC J
A
CK
RL
Y
LINE
DETECT
SIDE T
ONE
CIRCUIT
Q161
Q141
BELL
DETECT
HOOK
BELL
Q111
LIN
LOUT
RF_P
A
R
T
HSMIP
HSMIN
IC501
BBIC
INUSE
DETECT 2
RECEIVE
AMP
DCIN 1 and
3
IC301
VCCP
A
VBA
T_APU
VBA
T
VCC_FE
VCC_IF
VCC_VCO
DCINS
CHARGE_DET
3
.0V
DOUBOUT
SCL, SDA
WP
VCC
ANS_LED
LCD_BL T
IC601
FLASH
MEMOR
Y
IC611
EEPR
O
M
MEMOR
Y
KEYS
R151,R152
Q171
VBA
T
DI,CS
MSG_LED
KEYIN 1~3
KEYS_C~E
SPOUTN
SPOUTP
3
.0 V
DC/DC
CONVER
T
OR
Q351,
Q352
CLK,DO
STM/CKM
R
3
71
R
3
72
D
3
62
Q701, Q702
CHARGE
DETECT
VCCA
VCC
SCL,RST
CS
,CD,SIO
LCD
DCIN 2
CAP
_SW
CAP_CHG
HS_SUPPL
Y_DET
BA
CKUP
CAP CIRCUIT
PO
WER
SUPPL
Y
CIRCUIT
FR
OM
PSTN
D151
Q910
PO
WER
SUPPL
Y
CIRCUIT
FR
OM
HS
C901
optional
optional
TG6721 only
TG6721 only
optional
ANT2
ANT1
RXp
RXn
RXON
TXp
TXn
TXON
RESET
RSTN
KX-TG6711/6721 BLOCK DIA
GRAM
(BASE UNIT)
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