KX-TC1045RUB - Panasonic Telephone Service Manual (repair manual). Page 45

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23
 B
LO
C
K
D
IA
G
R
A
M
(H
A
N
D
S
E
T)
TX DATA
RX DATA
1st
Mixer
RX Filter
ANT
RECEIVING FREQUENCY
30.075~30.300MHz
1st
Local
TX
Filter
TX
AMP
TX
VCO
CONTROL
DATA
2nd
Mixer
IF AMP
DET
1st IF
Filter
2nd IF
Filter
DATA
Filter
DATA
AMP
PRE-
AMP
LINE
AMP
RECEIVER
150
EXPANDER
BATT LOW DET
/POWER DOWN
MIC
Battery
COMPRESSOR
MODULATION
LIMITTER
PLL
X201
11.150MHz
IC301
SENDING FREQUENCY
39.775~40.000MHz
19.375
~19.600MHz
2nd Local 11.150MHz
1
2
3
X102
3.991MHz
X901
32.76KHz
MIC
AMP
CPU
IC901
IC101
CHARGE
DETECT
RESET
TX Signal
RX Signal
45
K
X
-TC1045RU
B
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