Circuit Board (Handset_Main); Component View - Panasonic KX-TG4221N Service Manual

15.3. Circuit Board (Handset_Main)

15.3.1. Component View

BATT+
CHG (+)
KX-TGA421 CIRCUIT BOARD (Handset_Main (Component View))
KX-TG4221N/KX-TG4222N/KX-TG4223N/KX-TG313SK/KX-TG4224N/KX-TG4225N/KX-TGA421N
ANT-Short
ANT-Short-GND
PbF
PNLB1736X
C203
C204
R232
R54
R231
C803
DA801
R808
R806
C837
C812
C822
C820
C810
R807 C805 L803
C863
C823
C41
C806
C864
C47
R203
C43
RA4
R23
C13
IC5
R27
C11
R215
L47
C97
C189
RA32
C40
C55
C188
Q2
C54
C51
C344 C190
C52
1.8V
C49
C94 C95
C53
D1
C1
C341
C7
POWER
RA40
IC3
R20
CKM
D7
C3
C340
VBAT
R7
R30
R6 Q9
R4
R8
R3
BATT+
C147
CHG (+)
C74
C5 C113
D4
CHG+ CHG-
73
C152
C71
C814
C866
C45
STM
RST
C44
RA61
C58
C59
CPLED
C72
C73
URX
URX
UTX
UTX for JIG
GND
GND
BATTERY
BATT-
BATT-
CHG (-)
CHG (-)
A