Panasonic KX-TGF340B Service Manual page 85

(1)
(2)
TO RF BLOCK
TXn
TXp
RXp
RXn
GND
44
TXn
43
TRSW_n
42 C22
ANT
0.1u
41
VCC_FE
40
VDD_IF
39
VCC_IF
38
VDD_APU
37
VBAT_APU
36
XIN
C24
35
XOUT
1u
34
DCINS
33
PWM0
32
PWM1
31
SPOUTP
30
VCCPA
29
SPOUTN
C68
28
LOUT
27
HSSPOUTP
26
MPWR
GND
25
HSMIP
24
HSMIN
23
MIP
(3)
GNDA
GNDA
VBAT
(4)
NC: No Components
KX-TGF340/KX-TGF342/KX-TGF343/KX-TGF344/KX-TGF345/KX-TGF372/KX-TGF373/KX-TGF374/KX-TGF375/KX-TG585/KX-TGFA30
ANT
C25
K2.2u
C26
X1
10u
(1608)
GND
CHG_DET
CHG_CTRL
GND
1u
GNDA GND
GNDA
R23 MIC POWER
390
HEADSET_DET
GND
GNDA
GND
MSL
MSL L=11mm,W=0.2mm
Wm=0.4mm
Lm=10mm
MSL
W=0.2mm
D=3mm D=3mm
L=12.0mm
SL
W=0.3mm
L=5.0mm
open-stub
SL
W=4.0mm
L=4.5mm
SL
W=0.2mm
L=20mm
VBAT
SHORT4
SHORT
GND
SP Phone Rx
Speakerphone_SP+
Speakerphone_SP-
C14
R22
3.3k
0.033u
GNDA
GNDA
Handset Tx
SP Phone Tx
MIC+
MIC-
GNDA
KX-TGFA30 SCHEMATIC DIAGRAM (Handset_BBIC Module)
85
MSL
Wm=0.4mm
Lm=10mm
GND GND
SL GND
W=0.3mm
L=4.5mm
SL Tx-balun
W=0.3mm SL
L=4.5mm W=0.3mm
L=40mm
open-stub SHORT2
SL
W=4.0mm
L=3.5mm
open-stub
SL
Pre-matching
W=2.0mm
L=2.25mm
SP+
SP-
C16 22u
RECEIVER+
REC+
RECEIVER-
R80
REC-
10
Handset Rx
GNDA
HS_MIC
HEADSET_DET
MIC+
MIC-
RF-SHIELD
NC
RF BLOCK
RXn
SHORT1
RXp
SHORT
MSL
W=0.25
L=5mm
TXp
MSL
W=0.25
L=5mm
TXn
SHORT
GND