KX-TG7851RUH, KX-TG7851RUJ, KX-TG7851RUR, KX-TG7852RU1, KX-TG7861RUH, KX-TG7861RUW, KX-TG7862RU2, KX-TGA785RUB, KX-TGA785RUH, KX-TGA785RUJ, KX-TGA785RUR, KX-TGA785RUW - Panasonic Telephone Service Manual (repair manual). Page 16

Read Panasonic KX-TG7851RUH / KX-TG7851RUJ / KX-TG7851RUR / KX-TG7852RU1 / KX-TG7861RUH / KX-TG7861RUW / KX-TG7862RU2 / KX-TGA785RUB / KX-TGA785RUH / KX-TGA785RUJ / KX-TGA785RUR / KX-TGA785RUW Service Manual online

16
KX-TG7851RU/KX-TG7852RU/KX-TG7861RU/KX-TG7862RU/KX-TGA785RU
4.7.
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)
SP-PHONE TX
(to Tel Line)
 SP-PHONE RX
(from Tel Line)
Caller ID
(from Tel Line)
(BASE UNIT)
B - P101 - C106 - R106 - R107 - IC501 (CIDINp)        IC501 (TXp)        C803 - 
   
A - C105 - R105 - R108 - IC501 (CIDINn)                    IC501 (TXn)
(BASE UNIT)
IC501 (LSRp) - C184 - Q161 - Q141 - D101         A
(BASE UNIT)
A                    D101 - Q141 - Q161 - R164 - C173 - R178 - IC501 (MICn)
 P101- B
(BASE UNIT)
from HANDSET   ANT1 - C851         DA802        IC501 (RXn) 
 
ANT2 - C853
IC501 (RXp)
IC501 (LSRp) - C184 - Q161 - Q141 - D101        A
 P101- B
B - P101
- C803 -  DA802       C851 - ANT1  to HANDSET
(HANDSET)
from BASE UNIT   ANT - C801 
(BASE UNIT)
A                 D101 - Q141 - Q161 - R164 - C173 - R178 - IC501 (MICn)         IC501 (TXp)         
B - P101                                                                                                        IC501 (TXn)
C853 - ANT2
IC1 (1)
IC1 (2)
IC1 (21) - RECEIVER (+)
IC1 (22) - RECEIVER (–)
DA802 –– C851 - ANT1
              – C853 - ANT2                
 to HANDSET
 to HANDSET
(HANDSET)
from BASE UNIT   ANT - C801 –– IC1 (1) ––– IC1 (35) - SP (–)
                                                                                         – IC1 (2) –  – IC1 (37) - SP (+)
(BASE UNIT)
A                  D101 - Q141 - Q161 - R164 - C173 - R178 - IC501 (MICn) 
B - P101
–– IC501 (TXp) - C803 - DA802 –– C851 - ANT1
  – IC501 (TXn)                                C853 - ANT2
(HANDSET)
MIC (+) - C13 - IC1 (17)        IC1(86)
MIC (–) - C11 - IC1 (18)          IC1(87)          C859 - C801 - ANT to BASE
(BASE UNIT)
from HANDSET   ANT1 - C851         DA802        IC501 (RXn) 
ANT2 - C853
IC501 (RXp)
IC501 (LSRp) - C184 - Q161 - Q141 - D101        A
 P101- B
(HANDSET)
MIC (+) - C13 - IC1 (17)        IC1(86)
MIC (–) - C11 - IC1 (18)          IC1(87)          C859  - C801 - ANT to BASE
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