I/O Interface Schematic Diagram Sheet 1 - Motorola MTP700 Detailed Service Manual

TRANSCEIVER 800 MHz
40-PIN CONNECTOR
J100 R106
DATA J100-38
CLOCK J100-39
Backlight- J100-21
RESET J100-22
C112
33pF
R121
0
DISPLAY_RS J100-36
R122
0
CHIP_SEL J100-33
COL0 J100-32
COL1 J100-30
J100-28
COL2
COL3 J100-26
COL4 J100-24
ROW0 J100-31
ROW1 J100-29
ROW2 J100-27
ROW3 J100-25
J100-23
ROW4
Backlight+ J100-19
J100-5
V3_2.775V
J100-16
J100-1
J100-14
J100-15
J100-35
J100-3
J100-17
J100-9
J100-7
GND
J100-8
J100-10
J100-2
J100-12
J100-13
J100-40
J100-34
J100-37
J100-11
J100-4
J100-6
J100-18
J100-20
22
R107
SPIB_MOSI
G
22
C119 C113 C118 C114 C115
33pF 33pF 33pF 33pF 33pF
U103
EZAST21
C4
R4
7 5
DISPLAY_RS
G
R3 C3
8 4
SPIB_CS1_DISPLAY
G
R2 C2
9 3
KP_COL0
G
R1 C1
10 2
KP_COL1
G
U104
EZAST21
R4 C4
7 5
KP_COL2
G
R3 C3
8 4
G KP_COL3
R2 C2
9 3
KP_COL4
G
R1 C1
10 2
KP_ROW0
G
U105
EZAST21
R4 C4
7 5
G KP_ROW1
R3 C3
8 4
KP_ROW2
G
R2 C2
9 3
KP_ROW3
G
R1 C1
10 2
G KP_ROW4
VREF2_2.775V
G
V3_2.775V
G
SIDE BUTTON 3
S100
SWITCH
1 A1 B1 2
KP_COL4 G
3 A2 4
B2
SIDE BUTTON 3
MTP700 Portable Radio / Detailed Service Manual
G SPIB_CLK
Backlight-
G
RESET_OUT
G
4
5
SIDE_SWB+_EN
G
R108
33K
6
R110
10K
R109
0.1
RAW_B+ G
R115
39K
V3_2.775V
G
BOT_SWB+_EN G
KP_ROW4_UNFLTR
E100
BK1005HM471
G KP_ROW4
BAT_DATA_IN
C116 VR106
33pF 3.9V
Q100
3
2 VR105
13V
D100
1 3 2
V3_2.775V 4
5 1
C104
R111
0.1uF
10K
U111
MAX4373
R112
5
RESET 12K
3 2
CIN1 OUT
7 6
RS_NEG COUT1
8
RS_POS
R113C105
7.5K
Q101
4 3
C102 VR100
33pF 13V
5 2
R114
33K
6 1
BATTERY INTERFACE CIRCUITRY
5.5V_RF BAT_DATA_PULL_UP
Q102
BAT_CODE
R116
2.2K
R117
D101
39K
3 2
G
Q103
4
R118
56K 5 1
BAT_DATA_OUT
G
I/O Interface Schematic Diagram sheet 1 of 2
4.2 - 39
SIDE_OPT_B+
G
0.1uF
IO_1
ZMY0131008-O