KX-PRX120UAW, KX-PRXA10RUW - Panasonic Telephone Service Manual (repair manual). Page 14

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14
KX-PRX120UAW/KX-PRXA10RUW
4.5.
Signal Route
SIGNAL ROUTE
ROUTE
IN
OUT
SIGNAL
DTMF TONE
TEL OUT
(to Tel Line)
CDL TX
(to Tel Line)
CDL RX
(from Tel Line)
DTMF TONE
TEL IN
(from Tel Line)
B - P1 
SP-PHONE TX
(to Tel Line)
SP-PHONE RX
(to Tel Line)
Caller ID
(from Tel Line)
(BASE UNIT)
B - P1 - C4 -  R6 - R33 - IC7 (17)        IC7 (79) - 
L802          C812 -    
A - C3 -  R4 - R35 - IC7 (19)
(BASE UNIT)
IC7 (23)
 - R116 - R29 - 
C22
 - 
Q5
 - 
Q3
 - 
D3     
    
A
 
 P1 
- 
B
(BASE UNIT)
A              
D3
 - 
Q3
 - Q5 - R20 - 
C56
 - R117 - 
IC7 (21)
(BASE UNIT)
from HANDSET   
ANT1
 - 
C851         DA802
 - 
C803
 - 
DA801
 - 
C826
 
ANT2
 - 
C853
     
 C864 - 
IC7 (3)  
 C863 - 
IC7 (2) 
IC7 (23) - R116 - R29 - C22 - Q5 - Q3 - D3 
 P1
- 
B
 A
 - DA801 - C803 - DA802 
D3
 - 
Q3
  - 
Q5
 - R20 - C56 - R117 - IC7 (21)        
IC7 (79) - L802        C812
 to HANDSET
(BASE UNIT)
A  
B - P1
 IC7 (78) - C813        
 C851 - ANT1
 C853 - ANT2
IC7 (78) 
- C813
DA801 -  C803 - DA802       
 to HANDSET
 C851 - ANT1
 C853 - ANT2
(BASE UNIT)
from HANDSET   
ANT1
 - 
C851         DA802
 - 
C803 - DA801 - C826
 
ANT2
 - 
C853
     
IC7 (3)  
IC7 (2) 
IC7 (23) - R116 - R29 - C22 - Q5 - Q3 - D3 
 P1 
- 
B
 A
- DA801 - C803 - DA802 
D3
 - 
Q3
  - 
Q5
 - R20 - C56 - R117 - IC7 (21)        
IC7 (79) - L802         C812  
 to HANDSET
(BASE UNIT)
A       
B - P1
 IC7 (78) - C813
 C851 - ANT1
 C853 - ANT2
(HANDSET)
MIC - (internal parts are omitted) - DECT Antenna   To Base
(HANDSET)
from BASE UNIT     DECT Antenna - (internal parts are omitted - RECEIVER
(HANDSET)
MIC - (internal parts are omitted) - DECT Antenna   To Base
(HANDSET)
from BASE UNIT     DECT Antenna - (internal parts are omitted) - SPEAKER
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