7
KX-TG6551CAM/KX-TGA650RUM/KX-TGA651RUM
4 Technical Descriptions
4.1.
Block Diagram (Base Unit_Main)
D101
CHARGE_CONTAC
T
+
-
SP
SW1
X501
13.824 MHz
MIC
+-
ANT
2
ANT
1
TEL JACK
L1T
L1R
DCP
DCM
DC JACK
RLY
AC detector
SIDE TONE
CIRCUIT
Q161
Q141
BELL
DETECT
HOOK
BELL
Q111
LIN
LOUT
RF_PART
HSMIP
HSMIN
IC501
BBIC
INUSE
DETECT 2
RECEIVE
AMP
DCIN 1 and 3
IC301
VCCPA
VBAT_APU
VBAT
VCC_FE
VCC_IF
VCC_VCO
PDN DET
CHARGE_DET
3.0V
DOUBOUT
SCL, SDA
WP
IC611
EEPROM
MEMORY
R151,R152
Q171
VBAT
KEY 1
MIP
MIN
KEY C
SPOUTN
SPOUTP
3.0 V
DC/DC
CONVERTOR
IC331
RESET IC
STM/CKM
R371
R372
Q701, Q702
CHARGE
DETECT
VCCA
VCC
KX-TG6551 BLOCK DIAGRAM (Base Unit_Main)
ANT2
ANT1
RXp
RXn
RXON
TXp
TXn
TXON
RESET
RSTN