83
KX-TG9471B/KX-TG9472B/KX-TGA939T
13.4. Schematic Diagram (Base Unit_LCD)
LCD_Reset
LCD_CS
SPICLK
SPIDO
LCD_C*/D
SPIDO
SPICLK
LCD_C*/D
LCD_Reset
LCD_CS
BB3.0V
DG
DG
DG
DG
C1
1u
25
R13 0
C8 1u 25
C9 1u 25
C5 1u 25
C6 1u 25
C7 1u 25
R8
220
R10
220
R11
220
R7
56
R9
56
C13
220p
50
C12
220p
50
C16
220p
50
CN2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C4 1u 25
C3 1u 25
C10 1u 25
C2
1u
25
R12 1M
LCD-BACKLIGHT
1
+
2
-
CN1
1
2
3
4
5
6
7
8
BB3.0V
C15
100p
50
C14
68p
50
TO Main PCB
VOUT
V4
V3
V2
V1
CAP2N
CAP2P
CAP1P
CAP1N
CAP3P
V0
VSS
VDD
SI
SCL
A0P
/RESET
/CS1
BLK
WHT
KX-TG9471/9472 SCHEMATIC DIAGRAM (Base Unit_LCD)
NC: No Components