Read Panasonic KX-PRW110RUW / KX-PRW120RUW / KX-PRWA10RUW Service Manual online
13
KX-PRW110RUW/KX-PRW120RUW/KX-PRWA10RUW
4.4.
Block Diagram (Handset)
QSPI
FLASH MEMORY
IC2
Reset
Reset
Pin B8
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
20.7
3
6
MHz
BATTERY
T4
ON SWITCH
KEYPAD
Charge
Pump
ROWS
COLUMNS
U5, T6, V5, T7,
N1
F
3
, G2, G
3
, H2,
T11
V12, U1
3
, V14, T12
BBIC
IC1
QSPI
Control
U12
U14
KX-PR
W
A10 BLOCK DIA
GRAM (Handset)
SPI
Control
SPI
FLASH MEMOR
Y
IC4
C9 SPI_EN
+2.8V
C11 SPI_DI
B1
3
SPI_DO
A14 SPI_CLK
+
3
.0V
DC/DC
Control
CONVER
TER
CPU
LDO_OI_CTRL
CIRCUIT
CONVER
TER
DC/DC
Q8, L
3
3
.0V
Q7
+
3
.0V
+2.8V
SPEAKER
RECEIVER
MIC
CHARGE
CIRCUIT
CHARGE
CONTACTS
CHARGE(+)
CHARGE_CTRL
CHARGE
EEPROM
SCL
SDA
BATTERY
TERMINAL
R1
VBAT
BATT-
1.8 V
Q6
1.8 V
LCD
RS
RDn
D
AB[0-7]
LCD_RESET
CPU
Analog
Front
End
D/A
A/D
U8, V8
U9, V9
K
3
K2
H1
J
3
R2
R1
B12
A1
3
M5
M
3
J14
J18, J17, J16, L18, M18,
N18, P18,P17
E1
3
P
3
K16
IC3
C16
LCD-BACK LIGHT
KEY LED
A9
LDO_CTRL
CP3V
+2.8V
DC/DC CONVER
TER CIRCUIT Q9, L4
WRn
LCD_CS
B15
+
3
.0V
+1.8V
+
3
.4V
+
3
.4V
Q2, Q
3
, Q4
R4, R7, R8
Click on the first or last page to see other KX-PRW110RUW / KX-PRW120RUW / KX-PRWA10RUW service manuals if exist.