Panasonic KX-TS2388RUB - Page 33

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
C864
0.1 u
C862
0.033
C872 0.1 u
C871 NC
C887
0.01 u
Q862
R863 100k
R862
22K
R864 100k
R861
100k
R871
1M
R873
1M
R872
4.7 M
R874
4.7 M
TP14
BATTP
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
TP832
TP833
TP16
PULSE
TP22 MIC +
TP21 MIC -
TP12 VSS
TP28 VDD
PCB
TP11
SDA
TP25
SCL
TP862
D861
IC831
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
SMALL PCB
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