Hln6837C Astro Spectra Plus Vtrans/Usb Schematic - Motorola ASTRO Digital Spectra Plus Service Manual

Schematics, Component Location Diagrams and Parts Lists: ASTRO Spectra Plus VOCON Section
VCC3.0
VOCON TO COMMAND
R500
2K 1
TX-RS232_3
19
CTS-RS232_3
2
4
LH-TX_DATA_3
6
8
BUSY_OUT_3
11
LH_RESETO_3
13
15
MOSIA_3
17
QSCKA_3
ROSC-PSC_EN_3
SYN_SEL_3
DA_SEL*_3
DISP_EN-LATCH_3
SPKR_EN_3
TXPA_EN*_3
K9_4EN-MIC_EN_3
5V_EN*_3
VIPOUT1-BL_EN_3
VIPOUT2_3
RESET_OUT_3
1
19
ENCRYPTION 3V FROM/TO PATRIOT
2
SSI_SEC_CLK_3V
4
MOSI_SEC_3
6
MISO_SEC_3
8
SS#_3
11
13
15
17
COMMAND TO VOCON
RX-RS232_3
RTS-RS232_3
LH-RX_DATA_3
BUSY_RTS_3
LH_RESETI_3
LOCK_DET_3
VIP_IN2_3
VIP_IN1_3
EMER_3
INT_PTT_3
6881076C25-D
VCC5.0
C500
0.1uF
VCC
EN_OE1
EN_OE2
U500
18
A0 Y0
16
A1 Y1
14
A2 Y2
12
A3 Y3
9
A4 Y4
7
A5 Y5
5
A6 Y6
3
A7 Y7
VCC5.0
C501
0.1uF
VCC
1
EN_OE1
19
EN_OE2
U501
2 18
A0 Y0
4 16
A1 Y1
6 14
A2 Y2
8 12
A3 Y3
11 9
A4 Y4
13 7
A5 Y5
15 5
A6 Y6
17 3
A7 Y7
VCC5.0
C502
0.1uF
VCC
EN_OE1
EN_OE2
U502
MC74VHCT244A 18
A0 Y0
16
A1 Y1
14
A2 Y2
12
A3 Y3
9
A4 Y4
7
A5 Y5
5
A6 Y6
3
A7 Y7
VCC3.0
C503
0.1uF
VCC
1
EN_OE1
19
EN_OE2
U503
18 2
Y0 A0
16 4
Y1 A1
14 6
Y2 A2
12 8
Y3 A3
9 11
Y4 A4
7 13
Y5 A5
5 15
Y6 A6
3 17
Y7 A7
VCC3.0
C504
20
0.1uF
VCC
1
EN_OE1
19
EN_OE2
U504
18 2
Y0 A0
16 4
Y1 A1
14 6
Y2 A2
12 8
Y3 A3
9 11
Y4 A4
7 13
Y5 A5
5 15
Y6 A6
3 17
Y7 A7
GND
10
TO CONNECTOR
TX-RS232_5
CTS-RS232_5
LH-TX_DATA_5
BUSY_OUT_5
LH_RESETO_5
MOSIA_5
QSCKA_5
ROSC-PSC_EN_5
SYN_SEL_5
DA_SEL*_5
DISP_EN-LATCH*_5
SPKR_EN_5
TXPA_EN*_5
K9_4EN-MIC_EN_5
5V_EN*_5
VIPOUT1-BL_EN_5
VIPOUT2_5
RESET_OUT_5
ENCRYPTION 5V TO/FROM SECURE
MOSI_SEC_5
SSI_SEC_CLK_5V
SS#_5
MISO_SEC_5
FROM CONNECTOR
RX-RS232_5
RTS-RS232_5
LH-RX_DATA_5
BUSY_RTS_5
LH_RESETI_5
LOCK_DET_5
VIP_IN2_5
VIP_IN1_5
EMER_5
INT_PTT_5
63B81096C45-O

HLN6837C ASTRO Spectra Plus VTrans/USB Schematic

October 28, 2002
7-69