Panasonic KX-F900 Service Manual page 172

I
q
Pc
I
_7
TX FREQ 902.100 ~ 903.550MHz
RX FREQ 926.100 - 927.550MHz
BPF
LPF F302 Q304,303
AMP
I
I
I
I
1ST IF FREQ 10.7MHz
2ND IF FREQ 450KHz
IC301
l BPF
BPF r
F303 I I F304
I 10.7MHz Q305 I I 450KHz I
I I
+ TMXE
I I ,..
I
r RX VCO FREQ = 1ST LOCAL FREQ
l 936.800 - 938.250MHz
IC302
2NDIF h I DISCRIMI
AMP _ NATER
GND
,
_
I
I Ai OUT
I _0
I
I
I
I
TX VCO FREQ
451.050 - 451.775MHz
FREQ 902.100 N 903.550MHz
Q301 Q302
AMP
q /
', / t -- _._--
L
..................
I L-'IDETECTOR
__ D301,302
IlVlULTIPRIEFL. PLL
L
IIREFERENCEI_J BUFFER I
1_ x2 J'l! I" I
OSC
I_
AMP I I
- L- I _ ,
....... [-- :_ T _" Ti- _ X3.0_5 :M :Z ' 1
I_ T '\-r-. L I LOOP
I .... I"_ ] F LTER 10302
°3,01 ]
_×v0o,o_o5'0_2'°3°',°_3 _ .xB_w _ -] _
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rxvco,c3o2,_o_ _ _
I
NOISE !_ AMP
i
AGC
FLS
O
-o
UNLOCK O
l CLOCK O
_ATA 0
RST O
RXBSW O
+B_.5v O
TXB SW O
MOD O