Figure 7-37. Hud4022A Accessory Connector Schematic - Motorola ASTRO XTL 1500 Detailed Service Manual

Schematics, Component Location Diagrams, and Parts Lists: HUD4022A (VHF) Main Board
VPP
BUS+_UARTB_TXD
BUS-_UARTB_RXD
RESET_UARTB_CTS
BUSY_UARTB_RTS
UARTA_TXD
UARTA_RXD
UARTA_CTS
UARTA_RTS
PTT*
MONITOR
ONE_WIRE
EMERGENCY
USB_PWR
USB+
USB-
CHAN_ACT
VIP_OUT_1_12V
VIP_OUT_2_12V
IGNITION
SPKR+
SPKR-
AUX_MIC
RX_FILT_AUDIO
6815854H01-A
TEST_POINT
1 TP0400
1
C0400
33pF
TEST_POINT TEST_POINT TEST_POINT
1 1 1
TP0419 TP0420 TP0418
3
U0400
1
VCC5
DTC144EKA
R0411
10K
9.3V_TX
1 1
R0405 R0406
1K 560
C0412
100pF
C0420
4.7uF
*VR0408*
5.6V
1 1 1
C0402 C0403 C0404 C0405 C0406 C0409 C0410
33pF 33pF 33pF 33pF 33pF 33pF 33pF
R0432
1 1 1 1
*VR0410*
5.6V
R0403 C0401 C0407 C0466 C0467
10K 100pF 100pF 100pF 100pF
1 1 1 1 1 1
C0413 C0414 C0415 C0416 C0419 C0417 C0418
100pF 220pF 220pF 100pF 100pF 220pF 220pF
R0407 100
1 R0408 100
2 100
R0412
2
R0410
VR0404 VR0405 VR0406 VR0407
15V 15V 15V 15V
100
ONE_WIRE_CONN
2
1K
R0435
2
USB+ USB+
USB- USB-
VR0411
1 1 1
SW_B+
C0463 C0464 C0408
33pF 33pF 100pF
1
C0465
470pF
CHAN_ACT_CONN
R0430
0
VR0400 VR0402
20V 20V

Figure 7-37. HUD4022A Accessory Connector Schematic

7-45
3
J0402-3 UARTB_TXD-BUS+
5
J0402-5 UARTB_RXD-BUS-
4
J0402-4 UARTB_CTS-RESET
6
J0402-6 UARTB_RTS-BUSY
7
J0402-7 UARTA_TXD TX_DCE (DB9-Pin 2)
9
J0402-9 UARTA_RXD RX_DCE (DB9-Pin 3)
8
J0402-8 UARTA_CTS RTS_DCE (DB9-Pin 8)
100
10
J0402-10 UARTA_RTS
CTS_DCE (DB9-Pin 7)
2
24
J0402-24
PTT*
26
J0402-26 MONITOR
27
J0402-27 ONE_WIRE J0402
26 PIN CONN
28
J0402-28
EMERGENCY
12
J0402-12 USB_PWR
11
J0402-11 USB+
13
J0402-13 USB-
20
J0402-20
SW_B+
22
J0402-22
15
J0402-15
CHAN_ACT
16
J0402-16 VIP_OUT_1_12V
17
J0402-17 VIP_OUT_2_12V
18
J0402-18 IGNITION
19
J0402-19
21
SPKR+
J0402-21
23
J0402-23
25 SPKR-
J0402-25
29
J0402-29 AUX_MIC
30
J0402-30
RX_FILT_AUDIO
14
J0402-14
1
J0402-1
2
J0402-2
31
J0402-31 GND
32
J0402-32
73D02970C73-O
SHEET 8 OF 23
June 15, 2005