Panasonic KX-TGH262B Service Manual page 75

(1)
(2)
+1.8V
IC4 16M
VJ1
C3FBMY000312
(3) 1 8
VCC
*CS
2 DO/IO1 7
(4)
*HOLD/IO3
3 6
(5)
*WP/IO2 CLK
CKM
4 5
GND DI/IO0
GND
(6)
(7)
POWER
(8)
C40
K0.1u
(9)
CP4V
CP4V
CP3V
C52
K1u CP3V
(10)
C55
GND
(11) D10p
C53
K10u
44
CP_VOUT1 C30
GND
43 K1u
CP_C2Y
42
CP_VBAT2
C29
41
CP_C1Y
40
K1u
CP_C2X
39
CP_C1X
38
CP_VBAT1
37
DP0/PAOUTn/P3_0
36
VDD_PA
35
DP1/PAOUTp/P3_1
34
P1_7/CHARGE
33
CHARGE_CTRL
32
VBAT
C190
31
DC_CTRL
K0.1u
30
DC_I
29
DC_SENSE
28
SOCn
27
SOCp
26
ADC1/INT0/P1_0
25
ADC0/P3_3
24
LDO_CTRL
(MAX500mA)
23
AVD
+1.8V
1.8V
C22
K1u
(12)
GND
(13)
(14)
SHORT
(15)
OJ5
SHORT
OJ6
GNDA GND
R23
1k
R24
820
(16) MIC_POWER
C12
R25
K2.2u
820
GNDA
(17)
(18)
C41
K0.1u
OFF
VBAT
C191
K1u
VBAT
C59
K1u
C98
NC
CHARGE_DET
C99
CHARGE_CTRL
NC
GND GND
SOCn
C36
J39p SOCp
CHG+
STB_A
*R18
CHG_MON
30k
R1
10k
*C32
R19
K0.1u
10k
Q1
B1ADGE000012
RECEIVER+
RECEIVER-
MICp
MICn
KX-TGH260/KX-TGH262/KX-TGH263/KX-TGH264/KX-TGHA20/KX-TGA20
RF BLOCK
50 ohm line
L=2mm
ANT1_TP
GND
C801
D10p
50 ohm line
Total L=4mm
SL
W=0.3mm
C859
L=6.95mm
D10p
open-stub
SL
SL
W=2.9mm
W=0.2mm
L=2.8mm
L=20.0mm
open-stub
SL
W=0.6mm
L=20.0mm
KX-TGHA20 SCHEMATIC DIAGRAM (Handset_Main)
75
*open-stub $N>l9g
SLx2
W1=0.2mm
L1=3.3mm
RX-balun
W2=0.7mm
MSL
L2=5.0mm
MSL
W=0.170mm
W=0.25mm
<u?.46EY:GE,2=$N$?$a
L=3.6mm
L=2mm
%A%C%W$KCV$-49$(
S=0.125mm
open-stub
SL
W1=0.2mm
C862
L1=3.0mm
B1.5p
W2=0.7mm
L2=4.3mm MSL
W=0.25mm
OJ1 L=2mm
SHORT
SL GND MSL
W=0.3mm W=0.25mm
L=6.5mm L=5mm
C860
TX-balun
B2.2p
SL
open-stub open-stub
W=0.3mm MSL
SL SL
L=39.0mm W=0.25mm
GND
W=2.0mm W=2.2mm
OJ2 L=5mm
L=10.8mm L=5.0mm
SHORT
C861
LPF
B2.2p
Pre-matching
%A%C%W2=
4layer GND 6/2=$N$?$a
GND
VBAT
OJ3
SHORT
SP Phone Rx
R77
1
C72 D13
C78
NC NC
K2200p
+
C73 D14
NC
NC
-
R76
SL
1
W=0.15mm
C79
L=6.3mm :3.6nH + 0.4nH(
K2200p
GND GND
FbB"C
GND
GND
9mm2 :1.75pF
GND GND
LCD>
Handset Rx
RCV+
C70 D21
68p NC
+
C71 D22
68p NC
-
RCV- SL
W=0.15mm
L=6.3mm :3.6nH + 0.4nH(
GND GND
FbB"C
GND GND
9mm2 :1.75pF
LCD>
Handset Tx
SP Phone Tx MIC+
MIC-
NC: No Components
RF_RXn
RF_RXp
RF_TXn
RF_TXp
* FbB"$N>l9g
C=3.6pF
10.5mm2
SP-PHONE_SPEAKER
%9%k!<%[!<%k )
RECEIVER
%9%k!<%[!<%k )
MIC
AP1
L0CBAY000053
MICC<