Panasonic KX-TG4221N

73
KX-TG4221N/KX-TG4222N/KX-TG4223N/KX-TG313SK/KX-TG4224N/KX-TG4225N/KX-TGA421N
15.3. Circuit Board (Handset_Main)
15.3.1. Component View
A
PbF
PNLB1736X
ANT-Short
ANT1_TP
ANT-Short-GND
BLACK
BLACK
RED
RED
RECEIVER
JTAG
1.8V
POWER
UTX
GND
URX
BATT-
VBAT
BATT+
CP3V
E_SDA
E_SCLK
E_WP
CPLED
MIC-
MIC+ RCV-
RCV+
CHG (-)
CHG (+)
CHG+
CHG-
SP-PHONE
KX-TGA421 CIRCUIT BOARD (Handset_Main (Component View))
C204
R232
C203
R54
R53 R50 R51 R52
C152
C138 C139
C107
C103
C205
C106
C104
C814
C44
L803
C341
C10
C342
C345
C50
C56
C55
C51
C58
C59
C53
D1
C1
C7
C94 C95
C52
C190
C189
L47
C188
CKM
C72
C73
C48
C98
C2
C43
C41
C47
C802
C801
C813
C826
C825
C811
C57
C99
C96
C865
C804
C54
C40
C113
C147
C3
C340
C5
R231
R203
R806
R807
R63
R57
R95
R94
R66
R808
R20
R30
R4
R7
R8
L802
RA4
RA32
RA61
RA40
D4
D7
D3
C105
C71
C200
C206
C201
C70
STM
RST
C45
C46
C17
C172
C820
C809
C803
C812
C805
C806
C866
C863
C864
C823
C810
X1
C822
C837
C18
C11
C97
C344
C13
C12
R28
C38
C49
C74
C75
C121
2.5A
F1
C35
C150
R55
R233
R64
R23
R215
R27
D13
D14
R6
R31
R2
R73
R74
R3
R45
IC5
IC3
RA1
D21
D22
DA801
Q2
Q9
Q4
BATT-
BATTERY
GND
UTX for JIG
URX
BATT+
CHG (+)
CHG (-)