Motorola MCS 2000 Service Instructions

Chapter 10: Digrams and Parts Lists 10-42
68P81083C20-D December 6, 2004
Figure 10-28. Controller, Interface Blocks Diagram (2 of 2)
*!SEE!NOTE
CONTROL!HEAD!CONNECTOR
*!NOTE:!C0469!is!not!placed!for!Open!Architecture.
U0004!and!U0105!are!used!on!the!closed!and!open!architecture!radios,!respectively.!!Only!one!IC!will!be
placed,!but!since!the!two!ICs!use!the!same!physical!pads,!the!net!names!must!be!the!same.!!The!signal
convention!for!the!net!names!associated!with!these!pads!is!the!closed!arch.!signal!name!:!the!open!arch!
signal!name.!!For!example,!Pin!8!of!U0004!and!Pin!10!of!U0105!share!the!same!physical!pad!which!has!a!
net!name!of!BUF_SPI_DATA!:!SECURE_SELECT.!!The!resistors!around!the!two!ICs!are!placed!according
to!which!signal!(closed!or!open)!is!needed!for!the!radio!architecture.
0
R0111
+5V
10K
R0106
24pF
C0470
10
5.6V
VR0414
17
2
14
16
R0113
1000pF
C0471
0
0
R0128
13
0
R0026
0
R0125
0
R0130
5.6V
VR0402
GND
7
VCC
14
PWR_GND
U0004-5
24pF
C0472
VR0415
5.6V
10V
VR0428
9
10
8
MC74AC08
U0004-3
4
Vdd
R0005
10K
1
2
3
U0004-1
MC74AC08
Vdd
1000pF
C0417
470pF
C0428
0
R0025
0.1uF
C0220
24pF
C0467
0
R0122
11
VR0427
14V
SW_5V
18
470pF
C0462
R0134
4
Z
5
Z0
Z1
3
10K
16
VCC
7
VEE
14
X
12
X0
X1
13
15
Y
2
Y0
1
Y1
U0105
MC14053B
A
11
10
B
9
C
6
EN
8
GND
0
R0033
Y1
4
Z
5
Z0
Z1
3
GND
16
VCC
7
VEE
14
X
12
X0
X1
13
15
Y
2
Y0
1
A
11
10
B
9
C
6
EN
8
U0002
MC14053B
4.7K
47K
47K
R0421
Vdd
9
SIGNAL_CONVERT
SC0100
I1
1
I2
2
1000pF
C0443
R0024
0
0.1uF
C0012
1
VR0413
5.6V
J0405-1
4
5
6
MC74AC08
U0004-2
4.7K
R0007
12
13
11
MC74AC08
U0004-4
1000pF
C0420
C0431
470pF
0.1uF
C0006
BUS+
BUS-
BUSY
BUSY_INBUSY_OUT
BUS_SCI
CLOSED_RESETLH_RESET
RESET_INRESET_OUT
SCI_ECHO
SCI_RX
SCI_TX
SCI_DRIVERS_BLOCK
SEE!SCHEMATIC!FOR!DETAIL
1K
R0002
0
R0124
0
R0023
0
R0121
SW_5V
+5V
3
1000pF
C0424
C0430
470pF
4.7K
R0008
0
R0131
7
A+
SW_B+
R0032
100K
R0127
0
0
R0031
5
+5V
Q0426
0
R0027
+5V
15
R0034
0
470pF
C0429
+5V
OUT2
OUT3
OUT4
OUT5
OUT6
Vdd
SEE!SCHEMATIC!FOR!DETAIL
IO_BUFFERS_BLOCK
BOOT_SCI
IN2
IN3
IN4
IN5
IN6_:_RTSBIN
IO2
IO3
IO4
IO5
IO6
8
24pF
C0469
12
47K
R0433
6
Q0103
MOD_A_B
CTRL_HD2:KEY_FAIL
OUT3
0
R0129
OPEN:BS
MIC_VOLTAGE
INT_SPK+
SPK-
BUF_SPI_CLK:GND
BUF_SPI_DATA:SECURE_SELECT
RX_HI
SW_5V
A+
SW_B+
MON
PTT:BUS-
AUX:BUS+
SPI_TX_DATA
B+_ON_OFF
OPT_SW_B+:BUSY
VOLUME
A+_SENSE
B+_IGNITION
EMER_OUT
IO_3
SCI_RX
AUX
PTT
CH_EN
EXTERNAL_MIC_IN
MON_BUSY:RESET
CTRL_HD1:WE
CTRL_HD1:WE
SW_5V:RX_DATA_IN
IGNITION_SENSE
SW_B+_SENSE
SCI_ECHO
RESET_IN
CLOSED_RESET
BUSY_IN
OUT6
OUT5
OUT4
OUT2
IN6
IN5
IN4
IN3
IN2
MIC_IN
MIC_IN
CH_EN:KID
VOLUME:GND
17
00
00
15
14
20
12
11
10
00
13
00
00
22
23
25
24
26
27
28
16
29
18
30
31
19
32
21
8
7
6
9
5
4
3
1
2
MAEPF-28103-O

Motorola MCS 2000 Specifications

General

Brand	Motorola
Model	MCS 2000
Category	Radio
Language	English