Panasonic KX-FPC135 Service Manual page 205

Antenna
RF receiving signal
(1CH: 902.1000MHz)
Duplexer
RF receiving
signal
XT701, IC701
Reference
oscillator
10.25MHz
Refernce oscillator
frequency
adjustment
RF amplifier
Q101,Q102
RF transmitting signal
(1CH: 926.1000MHz)
RF Unit
RF amplifier
RXVCO
Low pass filter
PLL data/clock
IC701
Receiving PLL
Transmitting PLL
Low pass filter
TXVCO
Maximum
(Modulator)
deviation
adjustment
VR201
Fig. A. Handset Block Diagram
1st IF receiving signal
10.7MHz
IC601
1st mixer 2nd mixer
(1CH: 891.4000MHz)
10.25MHz
Link receiving data
SQL
RXDATA
CPU
IC901
TXDATA
Link
transmitting
data
Amplifier
Compander
IC201
& Filter
IC201
2nd IF receiving signal
450KHz
IC601
Demodulator
(Detector)
Carrier
detection
L601
circuit
Carrier detection
sensibility adjustment
AF receiving
IC201
signal
RX data
filter
Speaker output
level adjustment
IC201
VR202
Expander
& Filter
Amplifier
IC201
AF transmitting signal
Microphone
Speaker