Read Panasonic KX-PRS110RUW / KX-PRS120RUW / KX-PRSA10RUW Service Manual online
13
KX-PRS110RUW/KX-PRS120RUW/KX-PRSA10RUW
4.4.
Block Diagram (Handset)
QSPI
FLASH MEMORY
IC2
Reset
Reset
Pin B8
3.0V
Q7
SPEAKER
RECEIVER
MIC
CHARGE
CIRCUIT
Q2,Q3,Q4,
CHARGE
CONTACTS
CHARGE(+)
CHARGE_CTRL
CHARGE
EEPROM
SCL
SDA
BATTERY
TERMINAL
R1
VBAT
BATT-
1.8 V
Q6
1.8 V
LCD
LCD_CS
RS
WRn
RDn
DAB [0-7]
CPU
Analog
Front
End
D/A
A/D
U8,V8
K3
K2
H1
J3
R2
R1
B12
A13
M5
M3
K16
J14
J18,J17,J16,L18,M18,N18,P18,P17
P3
C16
ADPCM
Codec
Filter
DSP
Speech
Decoding
Speech
Encoding
BMC
Burst
Decoding
ANT1
Burst
Encoding
RF
PLL
MOD/DEMOD
C1
D1
A4
A5
RXn
ANT1
RXp
TXp
TXn
G1
F1
XTAL
X1
20.736 MHz
BATTERY
T4
ON SWITCH
KEYPAD
DC/DC
CONVER
TER
Control
ROWS
COLUMNS
+3.4V
U5,
T6, V5,
T7, N1
F3, G2, G3, H2,
T1
1
V12, U13, V14,
T12
BBIC
IC1
IC3
B15
LCD-BACK LIGHT
KEY LED
A9
LDO_CTRL
+ 3.0 V
+3.0V
QSPI
Control
U12
U14
KX-PRSA10 BLOCK DIAGRAM (Handset)
+2.8V
U9,V9
+3.4V
+1.8V
LCD_RESET
E13
DC/DC CONVER
TER
CIRCUIT
Q9, L4
DC/DC
CONVER
TER
CIRCUIT
Q8, L3
LDO_IO_CTRL
+2.8V
+3.0V
CPU
R4,R7,R8
Click on the first or last page to see other KX-PRS110RUW / KX-PRS120RUW / KX-PRSA10RUW service manuals if exist.