Panasonic KX-TG6671B Service Manual page 77

Digital corded/cordless answering system
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GND
R1
X1
(1)
13.824M
NC
GND
(2)
CHG_DET
(3)
CHG_CTRL
(4)
GND
(5)
(6)
(7)
(8)
R22
C14
(9)
(10)
3.3k
0.039u
GNDA
GND
R24
MIC POWER
(11)
390
GNDA
HEADSET_DET
GND
(12)
(13)
(14)
ZA1
NC
GND
R807
RF BLOCK
W 0.15mm
L 20mm
3rd layer
GND
C826
ANT-Short-GND
ANT-Short
C895
2
1.3p
C812
3
1
8.2n
DA801
W 0.15mm
L 20mm
3rd layer
GND
GND
R806
W 0.2mm
470
L 3.8mm
GND
GND
1st layer
W 0.15mm
L 6.2mm
GND
1st layer
Speakerphone_SP+
Speakerphone_SP-
*C86
22u
RECEIVER-
L9
RECEIVER+
0
Headset_MIC+
GNDA
GNDA
HEADSET_DET
MIC+
R73
33
MIC+
R74
33
MIC-
MIC-
Handset TX
GNDA
GND
SP-phone TX
GND
GNDA
GNDA
Test Pattarn for Carbon
CARBON_CL1
RXON
470
W 0.15mm/L 7mm
W 0.5mm /L 5mm
1st layer
RXn
10p
RX_RF
RXp
GND
G ND
L809
TXp
1p
TX_RF
GND
GND
TXn
W 0.2mm
L 10.0mm
GND
1st layer
GND
VBAT
GND
GND
TXON
SP-phone RX
L13 180n
L14
NC
GND
GND
GND
GND
SPP
C152
K1000p
SPM
GND
G ND
GND
GND
Handset RX
L71
*L72
1
(
)
*R306 100
2
L73
3
(
)
4
5
*L74 10
GNDA
GNDA1
GNDA1
GNDA
GNDA1
GNDA
C113
NC
1
MIC AP1
2
KX-TGA660 SCHEMATIC DIAGRAM (Portable_Main)
77
KX-TG6671B/KX-TG6672B/KX-TGA660B
+
SP-PHONE_SPEAKER
-
+
RECEIVER
-
*CN4
Headset Jack
R308
GNDA
GNDA1
NC: No Components

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