Panasonic KX-TGD320ALB Service Manual page 75

(1)
(2)
VJ1
8M
IC4
1
*CS VCC
2 DO/IO1
*HOLD/IO3
3
*WP/IO2 CLK
C56
4 GND
DI/IO0
10p
GND
(3)
CP4V
CP4V
C52 K1u CP3V
(4)
C55
D10p
GND
(5)
44
CP_VOUT1
C30
43
CP_C2y
42
CP_VBAT2
41
CP_C1y
40 K1u
CP_C2x
39
CP_C1x
38
(6) CP_VBAT1
37
P3_0/DP0/PAOUTn
36
VDDPA
35
P3_1/DP1/PAOUTp
IC1
34
P1_7/CHARGE
33
CHARGE_CTRL
32
VBAT
31
DC_CTRL
30
DC_I
29
(7) DC_SENSE
28
SOCn
27
SOCp
26
P1_0/INT0/ADC1
25
P3_3/ADC0
24
LDO_CTRL
(MAX500mA)1
23
VDD/AVD
(8)
SHORT
RA4
SHORT1
2.7k
R23
1k
SHORT
SHORT2
GNDA GND
MIC_POWER
C12
K2.2u
RA7 820
for Headset
2 3
1 4
GNDA
GNDA
(9)
+1.8V
8
C41
7
K0.1u
6
5
GND
C53
K2.2u
K1u GND
VBAT
C191
C29
K1u
VBAT
C59
K1u
CHG_DET
C98
C99
CHG_CTRL
D10p D10p
C190
K0.1u
GND GND
SOCn
C32 SOCp
CHG+
68p
C31
68p STB_A
R1 10k
C33
R21
K0.1u
10k
Q1
C22
K1u
GND
+1.8V
R26
NC
C16
C14 NC
NC
R25
NC
GNDA
R24 C15
NC NC
RF BLOCK
50 ohm line
L=2mm
ANT
C859
10p
SL
W=0.2mm
L=20.0mm
C865
POWER
10p
GND
CP4V
CP3V
SP Phone Rx
RECEIVER+
RECEIVER-
Handset Tx
SP PhoneTx
MICh
MICp
MICn
11
1 2
KX-TGDA30AZ SCHEMATIC DIAGRAM (Handset_Module)
75
KX-TGD320ALB/KX-TGD322ALB/KX-TGD323ALB/KX-TGDA30AZB
*open-stub
SLx2
W1=0.2mm
L1=3.3mm
RX-balun
W2=0.7mm
MSL
L2=5.0mm
W=0.170mm
L=3.6mm
S=0.125mm
C863
1.8p
OJ1
50 ohm line SHORT
Total L=4mm
GND GND
SL SL
W=0.3mm W=0.3mm
L=6.95mm L=6.5mm
TX-balun
SL
W=0.3mm
open-stub open-stub open-stub
L=39.0mm
SL SL SL
W=2.9mm W=2.0mm W=2.2mm
OJ2
L=2.8mm L=10.8mm L=5.0mm
SHORT
LPF
VBAT2
SP+
SP-
CHG+
REC+
REC-
Handset Rx
+1.8V
MICh
MIC+
MIC-
*ZA1
10 9 8 7
6
!!
5
1 2 3 4
GND
MSL
W=0.25mm
L=2mm
RF_RXn
RX_RF
MSL
W=0.25mm
L=2mm
RF_RXp
MSL
W=0.25mm
L=5mm
RF_TXn
TX_RF
C860
1.2p
MSL
W=0.25mm
L=5mm
RF_TXp
VBAT2
NC: No Components