KX-TG2511UAM, KX-TG2511UAN, KX-TG2511UAS, KX-TG2511UAT, KX-TG2512UAM, KX-TG2512UAT, KX-TGA250RUM, KX-TGA250RUN, KX-TGA250RUS, KX-TGA250RUT (serv.man5) - Panasonic Telephone Service Manual Supplement (repair manual). Page 18

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18
6.8.
Signal Route
[Changed from original section “4.6. Signal Route”]
SIGNAL  R OUTE
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)
SP-PHONE
 TX
(to Tel Line)
 SP-PHONE RX
(from Tel Line)
Caller ID
(from Tel Line)
(BASE UNIT)
B - P101 - C121 - R121 - IC501 (25)           IC501 (45)       
A - C122 - R122 - IC501 (24)
(BASE UNIT)
IC501 (28) 
- C184 - 
Q161
 - 
Q141
 - 
D101             A
(BASE UNIT)
A                    
(HANDSET)
MIC (+) - 
C13
 - 
IC5 (20)
        IC5 (86) 
MIC (–) - 
C11
 - 
IC5 (21)          
IC5 (87) 
C859  - ANT to BASE
(BASE UNIT)
from HANDSET   
ANT1
 - 
C895
IC501 (46)  
IC501 (47)
IC501 (28) - C184 - Q161 - Q141 - D101        
 P101
B
 P101
B
B - P101
IC501 (45)         
C819 - ANT1
IC501 (44)
 to HANDSET
(HANDSET)
from BASE UNIT   ANT
(BASE UNIT)
A                 
D101 - Q141 - Q161 - R164 - R177 - C193 - Q171 - C178 - IC501 (16)
B - P101
IC5 (2)
IC5 (3)
IC5 (24) - RECEIVER (+)
IC5 (25) - RECEIVER (–)
 to HANDSET
(HANDSET)
MIC (+) - 
C13
 - 
IC5 (20)
        IC5(86)
MIC ( - ) - 
C11
 - 
IC5 (21)          
IC5(87)
(BASE UNIT)
from HANDSET   
ANT1
 - 
C895  
IC501 (46)
 
        
IC501 (47) 
IC501 (28) - C184 - Q161 - Q141 - D101 
(HANDSET)
from BASE UNIT   ANT  
IC5 (2)          IC5 (35) - SP (–)
 – IC5 (3) –    – IC5 (37) - SP (+)
(BASE UNIT)
A                        D101 - Q141 - Q161 - R164 - R177 - C193 - Q171 - C178 - IC501 (16) 
B - P101
–– IC501 (45) - 
C819 - ANT1
  – IC501 (44) 
A
 P101
B
A
IC501 (44)
C859 - ANT to BASE
C819 - ANT1 to HANDSET
D101
 - 
Q141
 - Q161 - R164 - R177 - C193 - Q171 - 
C178 -  IC501 (16)
ROUTE
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