84
KX-TG7741S/KX-TG7742S/KX-TG7743S/KX-TGA470S
15.3. Circuit Board (Handset_Main)
15.3.1. Component View
R3
C5
CHG+
CHG (+)
CHG (-)
BAT+
C28
C6
C15
L10
C83
C32
L7
L8
L1
SPM
C72
Blue
Orange
MIC+
MIC-
SPP
R80
C87
R45
BAT-
A
CHG-
C10
C82
CN4
C84
L75
C85
D13
D14
C73
L4
L5
C37
Q6
R27
R28
C12
RA1
RA3
RA2
SP-PHONE
CHG_DET
VBAT
UTX
GND
URX
R7
C27
R2
Q2
Q4
Q3
C8
C58
C56
IC4
C9
C90
C57
C4
C3
3.0V
IC3
TD0
RA5
C2
C60
C41
C32
C20
C31
C21
C18
C29
C30
R60
C40
R33
VBAT_MON
C59
R31
C36
C33 R21
C14
R22
R26
C13
C11
R25
C80
C16
X1
C53
C99
C22
C25
C811
L809
R806
C825
IC1
C826
DA801
C863
C46
C803
ANT_TP
ANT_Shor
t-GND
ANT_Shor
t
C897
R69
R66
C69
E_SD
A
E_SCL
E_WP
R68
R
TCK
ATSTN
TEST
C44
C43
R1
C52
L9
R24
C1
C7
F1
L6
R8
R4
C35
Q9
CHG_CTRL
R6
R9
D3
R73
D4
R74
C89
R34
C88
C96 C97
C39
RA4
C51
L3
C34
C17
C98
C68
C814
C24
C812
C810
C806
C822
C45
ATSTP
CKM/STM
GND_J
TMS
TCK
R67
TDI
RSTN
R807
C805
C802
C93
LED12
LED10
LED11
C91
C92
SID
SCL
CD
CS
RESET
OTP
C801
C804
C813
C820
C24
C23
C81
Q5
WLED
C70
R91
C38
R51
R49
R50
RECEIVER
Green
Or
ange
D21
D22
C71
C42
C76
C77
R70
C79
VDDC
VBG/CHG_MON
R23
PNLB2012Z
-PA
PbF
Blue
Or
ange
KX-TGA470 CIRCUIT BOARD (Handset_Main (Component View))
ANT-GND
ANT-TP
CKM/STM
(CLK:13.824MHz)
3.0V
(Output)
SP-
MIC+
MIC-
SP+
UTX
URX
VBAT
GND
for signal communication jig
CHG (-)
CHG (+)