33
KX-TS2388RUB/KX-TS2388RUW/KX-TS2388CAB/KX-TS2388CAW/KX-TS2388UAB/KX-TS2388UAW
IC861
1
VOUT
2
VCC
3
NC
4
GN D
Q861
IC871
5
NC2
2
VDD
1
VOU T
4
NC1
3
VSS
LED1
MIC
1
2
C86
4
0.1
u
C862
0.033
C87
2
0.1
u
C87
1
NC
C88
7
0.01
u
Q862
R86
3
100
k
R86 2
22K
R86
4
100
k
R86
1
100
k
R87
1
1M
R87
3
1M
R87
2
4.7
M
R87
4
4.7
M
TP14
BATT P
TP18
INUS E
TP26
TXMUT E
TP13
HOOK
TP17
TON E
TP19
RXMUTE
TP15
ACKMUTE
TP27
WAKEUP
TP20
CIDW
TP30
RING
TP29
TI P
TP24
MUSIC / DTMF
TP23
BEEP / DRING
TP83
2
TP83
3
TP16
PULSE
TP22
MIC +
TP21
MIC -
TP12
VS S
TP28
VDD
PCB
TP11
SDA
TP25
SCL
TP86
2
D861
IC831
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
SMALL PC B
Battery Out
Reset Circuit
CN2
CN1
Battery Low
KX-TS2388RU/UA/CA SCHEMATIC DIAGRAM (Operation)
NC: No Components
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
EEPROM
