Panasonic KX-TG8162ALB Service Manual page 77

+1.8V
1.8V
Q1
(MAX500mA)
(1)
GND
(2)
(3)
OFF
(4)
CP2.8V
CP2.8V
D3
(5)
C51
K1u
(6)
(7)
0 C31
u
K1u VBAT
C59
K1u
(8)
C29
(9)
K1u
C60
(10)
NC
(11)
(12)
(13)
CHARGE_DET
(14)
CHARGE_CTRL
(15)
L3
SOCn
(16)
L4
SOCp
(17)
HEADSET_DET
(18)
L5
(19)
STB_A
(20)
LDO_CTRL
(21)
(22)
(23)
(24)
*C14
(25)
K0.01u
*R22
(26)
3.3k
R5
C23
NC
0
*R25
2.2k
GND
GND
GNDA GNDA
*C37
*R29
K10u
1k
GNDA
MIC_POWER
(27)
R23
1k
C12 R27
K10u 820
(28)
(29)
R28
820
GNDA
HEADSET_DET
(30)
QSPI BLOCK
CP3V
VJ1
*IC4
C50
NC
1 8
*CS VCC
2 7
SO/SIO1 NC/SIO3
3 6
*WP/SIO2 SCLK
GND
4 5
GND SI/SIO0
16M
GND
VBAT
GND
*IC1
SC14441
CHG+
KX-TGA815 Only
CHG_MON
C96
D10p
C97
D10p
Headset TX
GNDA GNDA
TX AF
MICp
MICn
*R34
*C33
*R32
100k
K0.1u
100k
GNDA
RF BLOCK
ANT Pattern
ANT-Short
ANT-S-GND
R41
GND
33k
GND
GND
C803
C801 1.5p
10p
GND GND
W 0.15m m
L 5.0m m
1st laye r
BPF
GND
SP-phone RX/BEEP
Speakerphone_SP+
Speakerphone_SP-
RX AF (Handset)
RECEIVER-
RECEIVER+
MICh
HEADSET_DET
Headset RX
MIC
KX-TGA815EX SCHEMATIC DIAGRAM (Handset)
77
KX-TG8162ALB/KX-TG8163ALB/KX-TGA815AZB
W 0.15mm
L 20+/-2mm
3rd layer
GND
C826
DA801
1.1p
2
W 0.125mm
3
L 7.6mm
Gap 0.125mm
1
1st layer
GND
GND
VBAT
GND GND
W 0.15mm
L 20+/-1mm
W 0.15mm
3rd layer
L 5.0mm
1st layer
TX RF
GND GND
C812
10p
L803
Open-Stab
4.7n
GND
W 0.15m m
L 20+/-2mm
3rd layer
GND GND GND GND
GND GND
GND GND GND GND
*L7
*R80
100
*L8
*C16 *L9
10
K10u
*C39
K1000p
GNDA1 GNDA1
GNDA GNDA1
GND
1
*MIC
2
10p&33p Mic
RF-SHIELD
NC: No Components
2/2
R807
RXON
220
GND
RF_RXn
RX RF
RF_RXp
Pre-matching
RF_TXp
GND GND
RF_TXn
Balun
GND
R806
TXON
220
GND
1
+
SP-PHONE_SPEAKER
2
-
1
+
RECEIVER
2
-
*CN4
1
2
3
HEADSET JACK
4
5
*C84
K1000p
*L10
GNDA GNDA1
GND