Hln6837C Astro Spectra Plus Secure Schematic - Motorola ASTRO Digital Spectra Plus Detailed Service Manual

7-68
U307-2
3V IN
MC74LCX02
5
SSI_CLK_3IN
4
6
SSI_FS
5V IN
SSI_CLK_5
MOSI_5
SS#_5
R603
KG_BCKUP
0
POWER
UNSWB
SWB
ONOFF_SWB
Q600
R606
100K
Q601
47K
47K

HLN6837C ASTRO Spectra Plus Secure Schematic

September 5, 2008
1 3
RESET
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
U600-2 Q2
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
SS#_3
5V OUT/IN
MISO_5
KEYFAIL
TAMPER
EMC_REQUEST
WAKEUP*
TP601
R600
TP603
0
TP602
IC Power/GND Supply
VCC3.0 VCC3.0 VCC3.0
U602-5
U600-3
U601-3
PWR_GND PWR_GND
PWR_GND
C600
C601 C602
VCC VCC VCC
0.1uF 0.1uF 0.1uF
GND GND GND
Spare Parts
U602-4 U602-3
MC74HC32A MC74HC32A
12 9
11 8
13 10
RESET
11 13
CLK Q
U601-2
MC14013B
9 12
D Q*
SET
63B81096C41-O
6881076C25-E