Hln6837C Astro Spectra Plus Digital/Memory Schematic (Sheet 2 Of 2) - Motorola ASTRO Digital Spectra Plus Detailed Service Manual

Schematics, Component Location Diagrams and Parts Lists: ASTRO Spectra Plus VOCON Section
BBP(7:0)
SECONDARY_UART(3:0)
PRIMARY_UART(7:0)
PRIMARY UART
K12
0
URXD1_PA15_USB_SE0_IRXD_TDI
3
L16
1
URTS1_PA13_USBXRXD_IPWR_RESET_IN_IC2A UCTS1_PA12_USB_FSEN_IOE_MCU_DE
1
2 F13
DTRA_PA11_IPMODEIN_TMS_INT7_SRDA
DCDA_PA18_IPMODEOTHI_DSP_DE_SC2A
RIA_PA9_USBSUSP_IPMODEOTLO+TCK_DSCEN_SCKA
2
2
B16
0
SECONDARY UART
URXD2_PB1
1 D14
URTS2_PB3
0 B12
BBP
SRDB
C11
1
SCKB
*U300-2*
2 B10
SRDB2_PC4_OC2
3 D10
SERIAL_PORTS_BLOCK
SCKB2_PC5_OC3
B11
4
SC2B_PC3
J10
SAP
3 SRDA
J15
4 SCKA
K16
SC2A
5
6
MOSPI
7
0
D7
8 MISOA
1
D3
MISOB
9
12
2 3 4 5 6
10
11
B+_SENSE
12
Q301
13
Force_Fail
14
15
VCC3.0
MCU_DE - RESISTOR PLACEMENT
R325
MCU and DSP request DEBUG
0
R001 R346
breaks on each other
47K
MCU request DEBUG on Q302
R002
TMS1 signal line
16
47K
JTAG / ONCE CONN.
17 P3-1 P3-2
18 P3-3 P3-4
19 P3-5 P3-6
P3-7 P3-8
3
RMS
20 P3-9 P3-10
P3-11 P3-12
2
TRST
21 P3-13 P3-14 U307-3
MC74LCX02
8
10
9
22
R323
0
MOD
23
6881076C25-E
R340
0
BRD_ID0
R341
0 DNP
BRD_ID1
R342 DNP
BRD_ID2
0
7
2 5 6 SC1B
ABA_FSYNC
6 SC0B
ABA_CLK
0 SRDB
ABA_RXD
K11 3
UTXD1_PA14_USB_VOUT_ITXD_TDO
4
G12
5 STDB
5
D16
DSRA_PA10_IRE_TRST_INT6_STDA STD
E14 6
4
SC2B
D15 7
SFS
1
SCKB
SCK
F12 2
UTXD2_PB0
3
C15
UCTS2_PB2
2 UTXD2
TX-RS232
E9 5
STDB URXD2
0
A11 6
SC0B_PC2 RX-RS232
A12 7
SC1B
3 UCTS2
CTS-RS232
URTS2
1
RTS-RS232
J11
STDA
G16
SC1A_PC6 VIPOUT1-BL_EN
G10
SC0A_PC7 VIPOUT2
C6 7
7
MOSIA MOSIA
8
C7 8
QSCKA QSCKA
F5 9 0
MOSIB MISOA
E4 10
QSCKB
11
B1
SPICS0_PE10
12 9
F4
SDI_D_C_PE5_SPICS1 MOSIB
E3 13 10
SPICS2_PE4 QSCKB
D2 14 1
SPICS3_PE6 MISOB
E2 15
SPICS4_PE11
6
ADDAG_SEL
14
ROSC-PSC_EN
15
SYN_SEL
QSPI(15:0) 2
DA_SEL*
11
DISP_EN-LATCH*
3
KRSIC_SEL
5
0
BRD_ID4
R344
USB(4:0)
B+ SENSE R315
47K
B+_SENSE
47K 47K
VR303 C307 Proto3
5.6V 0.1uF
VR301 Proto4
VCC3.0
3.9V
Proto5
Proto6
REVO
R349
Q303
47K
RevA
Force Fail
RevB
47K
47K C331
VR305
470pF
5.6V
47K
C330
R347
470pF
R348
CABLE DETECT
47K
0
DNP
VCC3.0
Q300
47K
R307
R345
R318 47K
VR304 BOOTSTRAP
47K
0
C309 R308 9.1V
47K
470pF
VCC3.0
L300
C301
33pF
VCC1.8
L301
KRSIC SSI
BBP-ABAII
C314
33pF
ADDAG SSI
BBP
RS 232
QSPI A
QSPI B
QSPI CS s
Board ID Table
Board ID4 ID3 ID2 ID1 ID0 Board ID4 ID3 ID2 ID1 ID0
1 0 0 0 0
0 0 0 0 0
0 0 0 0 1 1 0 0 0 1
0 0 0 1 0 1 0 0 1 0
7
RIA_USB_SUSP
0 0 0 1 1
1 0 0 1 1
0 0 1 0 0 1 0 1 0 0
0 0 1 0 1 1 0 1 0 1
0 0 1 1 0 1 0 1 1 0
0 0 1 1 1 1 0 1 1 1
0 1 0 0 0 1 1 0 0 0
SN74CBT3257
0 1 0 0 1 1 1 0 0 1
0 1 0 1 0 1 1 1 0 0
0 1 0 1 1 1 1 0 1 1
0 1 1 0 0 1 1 1 0 0
0 1 1 0 1 Proto2 1 1 1 0 1
UTXD1/USB_VOUT
3
0 1 1 1 0 1 1 1 1 0
0
0 1 1 1 1 1 1 1 1 1 URXD1/USB_SEO
4
UCTS1/USB_FSEN
OPTB+_BOOT_VPP-CABLE
1
URTS1/USB_XRXDX
1K
R331
0
USB_BOOT
C300
C310 C313 C311
1uF C312
0.1uF
0.1uF 0.1uF
0.1uF
R329
C315
C316
0
0.1uF
1uF
C323 C324 C325
0.1uF
0.1uF 0.1uF
*U300-5*
IC_PWR_GND
R310
U306-4
47K
MC74LCX125
USB INTERFACE
12 11
13
1 0
4 3 2
USB_INIT
USB_VP
VCC3.0
C306
0.1uF
U304
R314 PDIUSBP11A
VCC5.0
0
1 3
MODE RCV
PC1_USB_TXEN 2 4
C308
OE VP
12 5
VPO VM
13 11
PC0_USB_EOP
VMO DPOS
0.1uF
6 10
SUSPND DNEG
9
SPEED
15 8
EN_OE NC1
1
SELECT
2
U303
I0A
4 3
YA I1A
5
USB_VM
I0B
7 6
YB I1B
11
I0C
9 10
YC I1C
14
I0D
12 13
YD I1D

HLN6837C ASTRO Spectra Plus Digital/Memory Schematic (Sheet 2 of 2)

7-65
spare parts
VCC3.0 MC74LCX125
U306-1
12
13
1
11
3
2
U307-4
MC74LCX02
POWER / GND
VCC3.0
U305-2
PWR_GND
VCC
C327
GND
0.1uF
VCC3.0 VCC3.0
U307-5
U306-5
PWR_GND
PWR_GND
C304 C305
VCC VCC
0.1uF 0.1uF
GND GND
VCC5.0
USB_CONTROL
U306-3
10
MC74LCX125
USB_PWR
8 9
R311
10K
VCC3.0
U305-1
1
NC7SZ125
4 2
R313
1.5K
R316
22
USB_D+
USB_D-
USB_MOD
R317
22
LH-TX_DATA
LH-RX_DATA
SB9600
BUSY_OUT
BUSY_RTS
63B81096C42-O
SHEET 2
September 5, 2008