User Guide

5-4Schematic Diagrams
RFGND
RFGND
+VBATT
KEYBOARD_ROW(3)
RFGND RFGND
KEYBOARD_COL(2)
KEYBOARD_ROW(1) KEYBOARD_ROW(2)
MIC+
RFGND
RFGND
REED
+VBATT
KEYBOARD_ROW(0)
ON_OFF
MIC-
BACKLIGHT
RFGND RFGND RFGND
KEYBOARD_COL(3)
RFGND RFGND RFGND
RFGND
KEYBOARD_ROW(4)
CN1
RFGND
KEYBOARD_COL(1) KEYBOARD_COL(0)
C92 1UF
15
24
R78
7 8
1K
1UF
C88 1UF
C78
1UF
C77
RFGND
C81 1UF
1UFC91
21 28
DGND
27
11
C76 1UF
13
VCC
ground
18
82K,1%
R77
Q8 DTC114YE
2
3 1
ground
VCC
VCC
C93
VCC
VSS
16
_CS1
2 6
_RD _RES
3
_WD
5
1UF
36
VRV
28
V1
23
V2
24 25
V3
26
V4
15
VDD VOUT
17 14
D7
29
IRS
1
NC1 NC2
30
31 32 33 34 35
18
VAP3- D0
7
D1
8
D2
9
10
D3 D4
11 12
D5
13
D6
CN6
ECM-A1049
V5V
27
A0
4
19
CAP1+
20
CAP1-
22
CAP2+ CAP22-
21
9
DGND
2SD2114KT146V Q7
1
3 2
5
R88
100K
1UFC285
C283
1UF
100K
1UFC89
20 16
R235
23
12 10
26 19 22 25
6
14
CL-150YG-CD-T LED1
3
29 17 30
2 4
AXK5F30535P
1
100
R301
100,5%
R76
20K,1%
R73
220,5%
1UF
C282
1UF
C284
KEYBOARD_COL(2) KEYBOARD_COL(1) KEYBOARD_COL(0)
+VBATT MIC- MIC+
KEYBOARD_ROW(0)
+VBATT
RST
LCDCS
REED ON_OFF
+VBATT
KEYBOARD_ROW(0:4)
KEYBOARD_ROW(1) KEYBOARD_ROW(2) KEYBOARD_ROW(3) KEYBOARD_ROW(4)
KEYBOARD_COL(0:3)
KEYBOARD_COL(3)
WR
D(8) D(9) D(10) D(11) D(12) D(13) D(14) D(15)
A(0)
RD
D(0:15)
+VBATT
RI_LIGHT
BACKLIGHT
5-4 LCD Schematic