KX-TG2511UAM, KX-TG2511UAN, KX-TG2511UAS, KX-TG2511UAT, KX-TG2512UAM, KX-TG2512UAT, KX-TGA250RUM, KX-TGA250RUN, KX-TGA250RUS, KX-TGA250RUT (serv.man5) - Panasonic Telephone Service Manual Supplement (repair manual). Page 9

Read Panasonic KX-TG2511UAM / KX-TG2511UAN / KX-TG2511UAS / KX-TG2511UAT / KX-TG2512UAM / KX-TG2512UAT / KX-TGA250RUM / KX-TGA250RUN / KX-TGA250RUS / KX-TGA250RUT (serv.man5) Service Manual Supplement online

9
6 Technical Descriptions
6.1.
Block Diagram (Base Unit)
[Changed from original section “4.1. Block Diagram (Base Unit)”]
D101
CHARGE_CONT
A
C
T
+
-
X501
13.824 MHz
ANT
1
TEL J
A
CK
L1R
L1T
DCP
DCM
DC J
A
CK
SIDE T
O
NE
CIRCUIT
Q161
Q141
BELL 
DETECT
HOOK
BELL
Q111
LIN
LOUT
RF_P
A
R
T
HSMIP
HSMIN
IC501
BBIC
RECEIVE
AMP
DCIN 1 and 3
IC301,
 Q301
VCCP
A
VBA
T_APU
VBA
T
VCC_FE
VCC_IF
VCC_VCO
DCINS
CHARGE_DET
3.0V
DOUBOUT
SCL, SDA
WP
VCC
LCD_BL T
IC601
IC611
SW1
Q171
DI,CS
KEYIN 1
KEYS_C
DC/DC
 
CONVER
TER
CLK,DO
STM/CKM
R371
R372
D362
Q701, Q702
CHARGE
DETECT
VCCA
VCC
SCL,RST
CS
,CD,SIO
DCIN 2
CAP
_SW
CAP_CHG
TG2521 only
ANT2
ANT1
RXp
RXn
RXON
TXp
TXn
TXON
RESET
RSTN
IN USE
DETECT 2
R150, R152
FLASH
MEMOR
Y
VBA
T
EEPR
O
M
MEMOR
Y
HS_SUPPL
Y_DET
KX-TG2511 BLOCK DIA
G
RAM 
(BASE UNIT)
RL
Y
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