Panasonic KX-TG3711BXB Service Manual page 75

(MAX500mA)
+1.8V
1.8V
Q2
(1)
GND
GND
(2)
3.0V
3.0V
CP_V2 CP+3.0V
CP_V2 CP3.0V
CP2.8V
CP2.8V
D3
C52
K10u C51
K1u
GND
(3)
C55
D10p
(4)
(5)
(6)
S1
1 2
(7)
C53 K2.2u(2125)
C49
C54 D10p
K1u GND
C189
K1u
C79 C78
D10p D10p
GND
40
CP_C1y
39
CP_C2x
38
CP_C1x
37
ULP_XTAL
36
DP0/PAOUTn/P3_0
35
VDD_PA
34
DP1/PAOUTp/P3_1
CHARGE
33
P1_7/CHARGE
CHARGE_CTRL
32
CHARGE_CTRL
L46 SOCn
31
SOCn
L47 SOCp
30
SOCp
29
NTC/ADC2
CHG+
L48
28
ADC1/INT0/P1_0
R18 100k
27
ADC0/P3_3
R1933k
26
LDO_CTRL
C32 K0.1u
25
AVD
24
LSRn
23
LSRp
22
VREFm
C96 D10p
21
MICh
C97 D10p
C48
NC
C17 NC
R215
0
C18 NC
(8)
RA4
3.3k
C13 C11
R23
K0.1u 1k
K0.1u
R27
C12
820
K10u
R28 820
VREFm
(9)
CP2.8V
RA40 10k
1 8
2 7
3 6
4 5
R101
NC
IC3
GND
BATTERY
C188 C190
K1u NC
GND GND
COL0
CP+3.0V
VJ1
IC4
1 *CS 8
VCC
2 SO/SIO1
7
NC/SIO3
3 *WP/SIO2 6
SCLK
4 GND 5
SI/SIO0
GND
GND
CP+3.0V
C702
10p
C701
1u
GND
GND
IC1
GND
MICp
MICn
RF BLOCK
ANT-Short
ANT-Short-GND
GND
ANT1_TP
GND
GND GND
W 0.15mm
L 4.0mm
1st layer
SP-phone RX/Beep
RX_AF (Handset)
LSRp
C704
K0.1u
R100
100k
L9
LSRn
BATTERY
*RF-SHIELD
11 10 9 8
12
GND
13
1 2 3 4 5
Test Pattarn for Carbon
CARBON_CL1
TX_AF
KX-TGA371 SCHEMATIC DIAGRAM (Handset_Main)
75
KX-TG3711BX/KX-TG3712BX/KX-TG3719BX/KX-TGA371BX
W 0.15mm
L 20+/-2mm
3rd layer
R807
220
RF_RX
GND
*D801 C826 L826
4.7n
10p
GND
L=17mm
GND GND
GND
BATTERY
GND
W 0.15mm
L 20+/-1mm
GND
3rd layer
C812
1.6p
L803
Open-Stab
GND 4.7n
W 0.5mm
L 2mm
Short-Stab
Balun
3rd layer
W 0.25mm
L 13.4mm
GND
3rd layer
RF_TX
W 0.15mm
L 20+/-2mm
3rd layer
GND
C73 C72
82p 82p
GND
C152
K1000p
220
+
-
C71
33p
C70
33p
GND
7
6
GND
VREFm
NC: No Components
TXON
GND
RF_RXn
L863 1.5n
L864 1.5n
RF_RXp
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
Pre-matching
RF_TXp
GND GND
RF_TXn
GND
R806
TXON
220
GND
+
SP-PHONE_SPEAKER
-
RECEIVER
C113
D10p
1
MIC AP1
2
10p&33p Mic
VREFm