Read Panasonic KX-TG8081RUB / KX-TGA806RUB (serv.man3) Service Manual Supplement online
5
3.1.3.
Signal Route
[Changed from original section “4.6. Signal Route”]
SIGNAL ROUTE
ROUTE
IN
OUT
SIGNAL
DTMF TONE
TEL OUT
(to Tel Line)
TEL OUT
(to Tel Line)
CDL TX
(to Tel Line)
(to Tel Line)
CDL RX
(from Tel Line)
(from Tel Line)
DTMF TONE
TEL IN
(from Tel Line)
TEL IN
(from Tel Line)
B - P1
SP-PHONE TX
(to Tel Line)
(to Tel Line)
SP-PHONE RX
(to Tel Line)
(to Tel Line)
Caller ID
(from Tel Line)
(from Tel Line)
(BASE UNIT)
B - P1 - C4 - R6 - R33 - IC7 (21) IC7 (95) -
A - C3 - R4 - R35 - IC7 (23)
B - P1 - C4 - R6 - R33 - IC7 (21) IC7 (95) -
A - C3 - R4 - R35 - IC7 (23)
(BASE UNIT)
IC7 (27) - R116 - R29 - C22 - Q5 - Q3 - D3 A
IC7 (27) - R116 - R29 - C22 - Q5 - Q3 - D3 A
P1 - B
(BASE UNIT)
A D3 - Q3 - Q5 - R20 - C56 - R117 - IC7 (25)
A D3 - Q3 - Q5 - R20 - C56 - R117 - IC7 (25)
(HANDSET)
MIC (+) - C13 - RA4 - IC1 (17) IC1(86)
MIC ( ) - C11 - RA4 - IC1 (18) IC1(87) L809 -
DA801 - C803 - ANT to BASE
MIC (+) - C13 - RA4 - IC1 (17) IC1(86)
MIC ( ) - C11 - RA4 - IC1 (18) IC1(87) L809 -
DA801 - C803 - ANT to BASE
(BASE UNIT)
from HANDSET ANT1 - C851 DA802 - C803 - DA801 - C826
from HANDSET ANT1 - C851 DA802 - C803 - DA801 - C826
ANT2 - C853
C864 - IC7 (3)
C863 - IC7 (2)
IC7 (27) - R116 - R29 - C22 - Q5 - Q3 - D3
P1- B
A
- L802 C812 - DA801 - C803 - DA802
D3 - Q3 - Q5 - R20 - C56 - R117 - IC7 (25) IC7 (95) -
to HANDSET
(HANDSET)
from BASE UNIT ANT - C803 - DA801 - C826
from BASE UNIT ANT - C803 - DA801 - C826
(BASE UNIT)
A
B - P1
A
B - P1
IC7 (94) -
C851 - ANT1
C853 - ANT2
C853 - ANT2
IC1 (2)
IC1 (1)
IC1 (1)
IC (21) - RECEIVER (+)
IC (22) - RECEIVER ( )
IC7 (94) - C813
L802 C812 -
DA801 - C803 - DA802
to HANDSET
C851 - ANT1
C853 - ANT2
C853 - ANT2
(HANDSET)
MIC (+) - C13 - RA4 - IC1 (17) IC1(87)
MIC ( ) - C11 - RA4 - IC1 (18) IC1(86)
DA801 - C803 - ANT to BASE
MIC (+) - C13 - RA4 - IC1 (17) IC1(87)
MIC ( ) - C11 - RA4 - IC1 (18) IC1(86)
DA801 - C803 - ANT to BASE
(BASE UNIT)
from HANDSET ANT1 - C851 DA802 - C803 - DA801 -C826
from HANDSET ANT1 - C851 DA802 - C803 - DA801 -C826
ANT2 - C853
L809 -
C864 - IC7 (3)
C863 - IC7 (2)
IC7 (27) - R116 - R29 - C22 - Q5 - Q3 - D3
P1 - B
A
- L802 C812 - DA801 - C803 - DA802
D3 - Q3 - Q5 - R20 - C56 - R117 - IC7 (25) IC7 (95) -
to HANDSET
(HANDSET)
from BASE UNIT ANT - C803 - DA801 - C826
from BASE UNIT ANT - C803 - DA801 - C826
(BASE UNIT)
A
B - P1
A
B - P1
IC7 (94) -
C851 - ANT1
C853 - ANT2
C853 - ANT2
C864 - IC1 (2)
C863 - IC1 (1)
C863 - IC1 (1)
IC1 (35) - SP (-)
IC1 (37) - SP (+)
- C813
- C813
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