Panasonic KX-MB2061CXB Service Manual page 314

KX-MB2061CXB/KX-MB2061CX2/KX-MB2062CXB
17.2.5. Main Board (5)
1
A
R969
4:6E
SPMUTE
0
( )
Q905
NC
4:5E
TX
4:5D
CID
4:5E
RX
4:6E
SPOUT
4:6D
HSSP+
4:6D
HSSP-
B
HSMIC 4:6D
1:3E
BBRESET
BBIC
1:1D
R922
nCBUSY1_S
1:1D
nCBUSY2
R923
1:1E;1:3E
BMINFT2_S
R992
1:3D
BMINFT1_S
C
BBIC
R921
1:1D
33
SPICLK_S
R920
1:1D
SPIDI_S
33
1:3E
SPIDI
+3.0V
1:1E
R926 1k
BBFWMOD_S
1:1D
R915 220
URTS_S
D
1:1D
R916 220
UCTS_S
1:1D
R917 33
URX_S
1:1D
UTX_S
R918
220
4:5E
P_SHORT
4:5E
DCN
E
4:5E
CPC
4:5E
ALC
4:5E
CIDRLY
4:5E
BREAK
4:5E
BELL
4:5E
LINERLY
4:6E
SPMUTE2
F
2
33
nCBUSY1
nCBUSY2
33
BMINFT2
BMINFT1
220
+3.0V
+3.0V
SPICLK
SPIDO
SPIDI
BBIC FLASH
BBFWMOD_PC
BBFWMOD
+3.0V
+3.3V
UCTS
3V_J
URTS
UTX_J
UTX
URX_J
URX
GND_J
BBRST
HS RX, MONITER RX, DECT RX
HS TX, DECT TX
CID
HS RX
HS TX
MONITER RX
KX-MB2061CX / KX-MB2062CX SCHEMATIC DIAGRAM (MAIN BOARD No.5) (1/2)
3
C936
R949 R905
0
K0.1u 2.7k
C944
R928 3.3k
K0.47u(1608)
G
0 R953
R956 68
R957 R954
+3.3V +1.8V
+3.3V
0
68
+1.8V
Q900
+1.8V
+3.3V
15AG102
R961 R960 C937 L901
K0.1u 0
4.7k 2.7k
C934
L900
K0.068u
0
VREF+
C979
+3.0V
K0.1u
R908
AD1
AD2
+1.8V
AD3
NBBRST
AD4
AD5
AD6
AD7
Q901
R901
560
R947
560
NFRST
+3.0V
FRST
Q903
R950
560
314
4
+3.3V 2.5-2.9V
+3.3V
( )
R964
0
+3.0V
+3.0V
+1.8V
+3.0V
Q902
103
LDO1_Sense
104 LDO1_CTRL
105 LDO2_CTRL
106 VBAT2
107 CIDIN+
108 AVS2
109 AVD2
L903
110 LSR+/REF
111 LSR-/REF
112 CIDIN-
L904
15AG102 113 CIDOUT
114 MIC-
115 VREF-
116 VBUF
117 AGND
118 MIC+
119 VREF+
120 *RST
1k 121 AD0/EXT_MEMORY
122 AD1
123 AD2
124 AD3
125 AD4
126 AD5
127 AD6
128 AD7
C909
+3.0V
K0.01u
R929
47k
+3.0V
R946
( )
( )
NC
Q904
NC
5
1/2
5
-1
+3.3V
(1)
Q907
C
B
E
Q908
(2)
R937
3.3k
R931
22k
(3)
+1.8V
(4)
(5)
IC902
(6)
+1.8V
(7)
C913 C912
J15p D6p
X900
3
1
2
10.3M
(8)
(9)
(10)