73
KX-TG6841B/KX-TG6842B/KX-TG6843B/KX-TG6844B/KX-TG6845B/KX-TG6873B/KX-TGA680B
NC: No Components
KX-TGA680 SCHEMATIC DIAGRAM (Handset_Main)
CHG_DET
CHG_CTRL
HEADSET_DET
C97
10p
C96
10p
C42
NC
C39
NC
C52
D10p
C53
12p
R1
NC
GND
GND
GNDA
R27
2.2k
R23
390
GNDA
GNDA
GNDA
GND
GND
GND
RF-SHIELD
NC
C98
NC
C99
NC
GND
C37
10u
(1608)
X1
13.824M
L4
NC
C16
22u
R28
2.2k
MIC AP1
D14
D13
R25
2.2k
C14
0.039u
R22
3.3k
GND
R32
100k
SP-PHONE_SPEAKER
+
-
RECEIVER
+
-
L8
10
C84
NC
GNDA1
GNDA GNDA
CN4
Headset Jack
1
4
2
3
5
GNDA1
C87
NC
GNDA1
GNDA
C82
NC
GNDA1
C85
NC C83
NC
GNDA
MIC+
SPM
SPP
MIC-
GND
L801
2.7n
VBAT
TXp
ANT1
GND
C802
10p
GND
RXp
GND
TXn
RXn
ANT-Short
STAR5
STAR7
STAR8
STAR9
GND
L802
NC
GND
C803
NC
C804
NC
C806
NC
C805
NC
GND
SHORT1
ANT-Short-GND
R81
NC
SHORT2
GND
GND
GND
GND
SHORT3
C807
2p
C808
1.3p
GND
GND
C72
NC
C73
NC
C71
68p
C70
68p
GND
GND
C809
1.5p
C810
15p
C801
2p
R34
390
C12
10u
(1608)
MIC POWER
R
RECEIVER-
Speakerp
Speakerphone_SP-
MIC+
MIC-
RF BLOCK
Headset_RECEIVER
Tx-balun
SL
W=0.3
L=40mm
MSL
Wm=0.4mm
Lm=10mm
Pre-matching
ANT-Pattern
open-stub
SL
W=2.2mm
L=5.0mm
open-stub
SL
W=2.0mm
L=10.8mm
MSL
W=0.25
L=2mm
SL
W=0.3mm
L=6.5mm
SL
W=0.3mm
L=6.95mm
MSL
W=0.25
L=2mm
SL
W=0.2mm
L=20mm
open-stub
SL
W=2.9mm
L=3.8mm
SL
W=0.3mm
L=12.45mm
open-stub
SL
W=0.6mm
L=20mm
W 0.15mm
L 6.2mm
1st layer
W 0.2mm
L 3.8mm
1st layer
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
SP Phone Rx
Handset Tx
SP Phone Tx
Handset Rx