Hln6837E Astro Spectra Plus Secure Schematic - Motorola ASTRO Digital Spectra Plus Detailed Service Manual

7-82
U307-2
2.85V IN
MC74LCX02
5
SSI_CLK I
4
6
I
SSI_FS
5V IN
SSI_CLK_5 I
I
MOSI_5
SS#_5 I
KG_BCKUP I
R603
0
POWER
UNSWB I
SWB I
I
ONOFF_SWB
Q600
R606
100K
47K
Q601
47K

HLN6837E ASTRO Spectra Plus Secure Schematic

September 5, 2008
1 3
CLK Q1
3 1 4
CLK Q U600-1 Q2
5
MC74HC393
U601-1 Q3
2 6
MC14013B
RESET Q4
5 2
D Q*
13 11
CLK Q1
10
Q2
U600-2
9
MC74HC393
Q3
12 8
RESET Q4
Secure Connector
SWB KEYFAIL
P1-1 P1-15
SWB
P1-2 P1-16
P1-3 P1-17
P1-4 P1-18
P1-5 P1-19
TAMPER UNSWB
P1-6 P1-20
MISO GND
P1-7 P1-21
MOSI GND
P1-8 P1-22
SSI_CLK KG_BCKUP
P1-9 P1-23
SS#
P1-10 P1-24
EMC_REQ
P1-11 P1-25
EMC_WAKEUP*
P1-12
P1-13
P1-14
Schematics, Component Location Diagrams and Parts Lists: ASTRO Spectra Plus VOCON Section
U602-1
MC74HC32A
U307-1 U602-2
1
MC74LCX02 MC74HC32A
2 3 4
1 2 6
3 5
3V OUT
O
SS#_3
5V OUT/IN
O MISO_5
O
KEYFAIL
O
TAMPER
O EMC_REQUEST
WAKEUP*
R600
0
IC Power/GND Supply Spare Parts
VCC3.0 VCC3.0 VCC3.0
U600-3 U601-3 U602-5
PWR_GND PWR_GND PWR_GND
VCC VCC VCC
C600 C601 C602
0.1uF GND 0.1uF GND 0.1uF GND
11 13
CLK Q
U601-2
MC14013B
9 12
D Q*
6881076C25-E