Schematic Diagram (Base Unit_Operation) - Panasonic KX-TG7731S Service Manual

14.4. Schematic Diagram (Base Unit_Operation)

CELL1_LED(R)
BT_HS_LED(G)
BT_HS_LED(R)
MEG_LED
ANS_LED
LCD_BLT
LCD_GND
10pin:TG4731
13pin:TG7731
LCD_RST
LCD_CS
LCD_CD
LCD_SID
LCD_SCL
LCD_VDD
CELL1_LED(G)
CELL2_LED(R)
CELL2_LED(G)
KEYS_E
KEYS_C
KEYIN1
10pin:TG4731
13pin:TG7731
KEYIN2
KEYIN3
KEYS_D
VLED
NC3
NC2
NC1
*LED911 RED
13
K A
*LED916 GREEN
K A
*LED915 RED
K A
LED902 RED
10
K A
LED901 RED
K A
GND
1
13
*LED912 GREEN
K A
*LED913 RED
K A
*LED914 GREEN
K A
10
1
KX-TG7731/7732/7733 SCHEMATIC DIAGRAM (Base Unit_Operation)
KX-TG7731S/KX-TG7732S/KX-TG7733S/KX-TGA470S
270 LED905
R901
270
R902 LED906
270
R903 LED907
R904 270 LED908
GND
C901 1u
GND
16V
GND
C902
1u
25V
ERASE
1 2
RPT
1 2
STOP
1 2
FOR TG773x,TG473x
77
CN901
1
GND
2
VG
3
/RSTB
4
/CSB
5
VSS
6
A0
7
SDA
8
SCLK
9
VDD1
10
VDD2
11
V0
12
XV0
ANS
UP
1 2 2 1
MSG4
1 2
MSG3
1 2
MSG2
1 2
MSG1 SKIP
1 2 1 2
DOWN LOCAT/INT
1 2 1 2
PCB
CT2 CT1 CARBON_TEST
NC: No Components