Panasonic KX-TG4771B - Base Unit (Operation)

68
KX-TG4771B/KX-TG4772B/KX-TG4773B/KX-TGA470B
14.3. Base Unit (Operation)
KX-TG4771 SCHEMATIC DIAGRAM (Base Unit (Operation))
NC: No Components
1
12
8
12
5
12
2
12
9
12
REDIAL/PAUS E
12
6
12
FLASH
12
3
12
0
12
*
12
7
12
4
12
#
12
ANS
12
STOP
12
ERASE/MUTE
12
HOLD/CONF
12
SP
12
MSG2
12
MSG1
12
SKIP
12
DOWN
12
RPT
12
UP
12
LOCAT/INT
12
PCB
ANS_LED
KEYIN3
MEG_LED
KEYIN1
KEYS_D
LCD_BLT
KEYIN2
KEYS_C
LED_GND
KEYS_E
KEYS_B
HOOK3
KEYS_F
KEYIN6
KEYIN4
SP_LED
HOOK1
KEYIN5
KEYS_A
HOOK_GND
LCD_VDD
LCD_GND
LCD_SID
LCD_CD
LCD_SCL
LCD_CS
LCD_RST
MSG3
12
MSG4
12
NC
HOOK2
GND
SOFT3
12
SOFT2
12
SOFT1
12
SW901
21
3
54
6
C3 1u 25
C5 1u 25
R9 56
p00
1
4
1
C
C4 1u 25
p00151C
R7 56
R12 1M
C9 1u 25
R11 220
52u12C
C8 1u 25
p02
2
6
1
C
C7 1u 25
R8 220
R10 220
C10 1u 25
52u11C
p02
2
21C
C6 1u 25
p
02
231C
LCD-BACKLIGHT
1
+
2
-
CN903
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
GND
GND
LED901
RED
AK
LED903 RED
AK
LED902 RED
AK
1
1
16
13
16pin
13pin
/CS1
VDD
CAP1N
SI
CAP3P
SCL
CAP2N
A0P
V2
V0
CAP2P
V4
VOUT
/RESET
V1
VSS
CAP1P
V3
BLK
WHT