Panasonic KX-MB2061CXB Service Manual page 321

CP+3.0V
C172 K0.1u
1
8
VCC A0
7 2
(1)
WP A1
6 3
(2)
SCL A2
5 4
(3)
SDA GND
64k
IC3
BATTERY
(4)
(5)
(6)
*R34
GND *R33
NC
(7)
NC
VREFm VREFm
GND GND
(8)
VREFm
(9)
(10)
(11)
VREFm
(12)
(13)
LCD_SDA
(14)
LCD_SCL
(15)
LCD_CD
(16)
LCD_RESET
(17)
LCD_CSB
(18)
GND
TP_ANT1
GND
*C859
3p
GND
GND GND
W 0.15mm
L 5.0mm
1st layer
GND W 0.15mm
L 20+/-1mm
3rd layer
GND
GND
C812
10p
Balun
W 0.15mm
L 20+/-2mm
3rd layer
R806
220
GND
S p - phone RX/B eep
MICh
HEADSET_DET
*L9 NC
LSRp
LSRn
RX-AF (H andset )
TX _AF
CP+3.0V
C186 2p C187 2p
GND
GND
R55 1k
GND GND GND GND
GND
to LCD UNIT
KX-MB2061CX / KX-MB2062CX : CORDLESS HANDSET BOARD SCHEMATIC DIAGRAM
L801 C827
27n
10p
2
C803
3
1
1.5p
DA801
GND GND GND
BPF W 0.15mm
L 5.0mm
1st layer
BATTERY
GND GND 11
10 1
VCC PSET
9 2
PO GND VCCS
8 3
POX PI
7 4
PSEL PIX
6 5
PAON PRAMP
GND GND
IC801
GND
R803
PSEL
1k
GND
R804
PON
Pre-matching
GND
1k
TXON
GND
R208 NC
R209 NC
GND
*C86
*L3 *R100 NC
LSRp
NC NC
GND
GND GND
LSRp
LSRn
MICp
MICn
GND
321
KX-MB2061CXB/KX-MB2061CX2/KX-MB2062CXB
W 0.15mm
L 20+/-2mm
3rd layer
R807
RXON
220
GND RX_RF
C826
2p
GND
W 0.125mm
GND
L 7.6mm
Gap 0.125mm
1st layer
*R801
R808
NC
680
W 0.15mm
L 4.0mm x2
GN D GND
1st layer
TXn
TXp
TX_RF
R805 47
VDD_PADRV
GND
1
+
SP-PHONE_SPEAKER
2
-
GN D GND GN D
GND_0 GND_0
*R306
*L71 NC
1
NC
NC
*L72
2
Headset Jack
3
*CN4
4
*L73 NC
NC
5
*L74 NC
R307
NC
GND
VREFm1
VREFm1
VREFm
VREFm1 VREFm1 GND VREFm
+
1
2
-
GND GND GND_0 GND_0
MIC+
R73
82
1
AP1
R74
MIC
2
82
R312
MIC-
NC
GND
GND
VREFm VREFm
VREFm VREFm
VREFm GND VREFm
NC: No Components
RF_RXn
RF_RXp
*R311
NC
VREFm1
R313
NC
GND