Table 7-4. P503 Command Board To Rf Power Amplifier Board; Table 7-5. Configuring Command Board Jumpers For Non-Rs232 Operation; Table 7-6. J501 Command Board To Vocon Board; Table 7-7. J801 Vocon Board To Encryption Board - Motorola ASTRO Digital Spectra Plus Detailed Service Manual

Schematics, Component Location Diagrams and Parts Lists: RF Section
Table 7-4. P503 Command Board to RF Power Amplifier
Board (Continued)
To
P503
Description RF PA
Pin #
Board
21 DISC AUD/RX RS232 J2-11
22 V_OUT 2 J2-3
23 BUS- J2-10
24 EMERGENCY J2-2
25 BUSY J2-9
Table 7-5. Configuring Command Board Jumpers for Non-
RS232 Operation
Function
MIC DISC
Jumper PTT
HI AUD
JU518 OUT
JU519 OUT
JU520 OUT
JU521 OUT
JU513 IN
JU500 IN
JU528 IN
JU515 IN

Table 7-6. J501 Command Board to VOCON Board

J501
Command VOCON
Pin Description
Board Board
#
1 DOUT* J500-3 U406-H3
2 DOUT J500-4 U406-K3
3 GROUND P503-12 GROUND
4 GROUND P503-12 GROUND
5 CTSOUT* U526-13 CTSOUT*
6 SBI J500-5 U406-J3
7 DOC J500-7 U406-F3
8 SPI SCK J500-19 U204-G5
9 MOSI J500-18 U204-J6
10 LOCK DET* J500-14 U206-K2
11 SYN SEL* J500-20 U204-H7
6881076C25-E
Table 7-6. J501 Command Board to VOCON Board
J501
Command
Pin Description
Board
#
12 ROSC/PSC CE* J500-16
13 DA SEL* U502-25
14 TXPA EN* U500-33
15 5V EN* CR401
16 EMERG Q507
17 BOOT DATA IN U525-14
18 BOOT DATA OUT U522-19
19 BUSY OUT U522-13
20 SB9600 BUSY U522-11
21 KEYFAIL* U525-1
VRS
TX
22 VIP OUT1 P502-14
23 VIP OUT2 P502-27
24 VIP IN1 Q512
25 VIP IN2 A513
26 MOB IRQ* U522-24
27 LHRST0* U522-8
28 LHRST1 Q511
29 POR* U522-40
30 INT PTT* U522-38
31 OPTB+/BOOT SEL/ P502-16
VPP
32 TAMPER GND
33 +5V Q502
34 +5V Q502
35 B+ SENSE P502-31
36 KG BACKUP JU527
37 +5VA U500-14
38 UNSW B+ Q508
39 MAI U524
40 SDO U524-1
41 LATCH SEL* U530-12
42 RTSIN* U526-14
43 RS232 DATA OUT U526-15
44 SPKREN Q401
45 MICEN Q404
Table 7-6. J501 Command Board to VOCON Board
J501
VOCON Command
Pin Description
Board
#
U204-F6 46 GROUND P503-12
U204-H5 47 GROUND DIGITAL P503-12
U206-G9 48 REFMOD U401-5
U206-F8 49 MODIN U401-3/
JU530
U204-A3
50 RS232 DATA IN U526-16
U206-J2/
U204-J7
U204-G6

Table 7-7. J801 VOCON Board to Encryption Board

U206-K8
J801
Description
U204-J3
Pin #
U206-J8/J801-
1 SW B+
15
2 SW B+
U206-E7
3 EMC RXO
U206-J3
4 EMC TXO
U206-A7
5 N/C
U206-D5
6 GROUND
U206-B4
7 MISO
U206-B7
8 MOSI
U206-A8
U206-C9/
9 SPI SCK
U409-2
10 EMC EN*
U206-H2
11 EMC REQ*
CR201
12 EMC MAKEUP*
J801-6
13 N/C
+5V
14 N/C
+5V
15 KEYFAIL*/RTSIN*
B+ SENSE
16 N/C
J801-23
17 N/C
+5VA
18 N/C
UNSW B+
19 N/C
U406-C1
20 UNSW B+
U406-B5
21 GROUND
U206-G8
22 GROUND
U206-J8
23 N/C
U206-A5
24 N/C
U206-G4
25 N/C
U206-G7

Table 7-8. J601 RF Board to VCO Board

J601
VOCON
Description
Pin #
Board Board
1 SYNTH-FDBK
GROUND
2 +9.6V
GRD DIGITAL
3 POS-S.L.
U406-B1
4 NEG-S.L.
U406-B2
5 KEYED-9.4V
6 DATA
U206-B2
7 CLOCK
8 SEL
9 AUX-2
To Encryption
10 VCO-MOD
Board
11 AUX-1
J401-17
12 S.F.8.6V
J401-17
U405-B7
U405-A7
U204-H6
U204-J6
J601-1
U204-G5 J601-2
U206-D6
U206-H3
U206-K7
U206-J8
J401-19
7-3
To
VCO Board
P601-1
P601-2
P601-3
P601-4
P601-5
P601-6
P601-7
P601-8
P601-9
P601-10
P601-11
P601-12
September 5, 2008