Hln6837E 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
0
K12
URXD1_PA15_USB_SE0_IRXD_TDI
3 UTXD1_PA14_USB_VOUT_ITXD_TDO
1
L16
URTS1_PA13_USBXRXD_
1 UCTS1_PA12_USB_FSEN_IOE_MCU_DE
2 F13
IPWR_RESET_IN_IC2A
DSRA_PA10_IRE_TRST_INT6_STDA
DTRA_PA11_IPMODEIN_
DCDA_PA18_IPMODEOTHI_DSP_DE_SC2A
TMS_INT7_SRDA
RIA_PA9_USBSUSP_IPMODEOTLO+TCK_
2
2
0 B16
SECONDARY UART
URXD2_PB1
1 D14
URTS2_PB3
0 B12
BBP
SRDB
1 C11
*U300-2*
SCKB
B10
2
SRDB2_PC4_OC2 SERIAL_PORTS_BLOCK
3 D10
SCKB2_PC5_OC3
4 B11
SC2B_PC3
J10
SAP
SRDA
3
J15
SCKA
4
K16
SC2A
5
6
MQSPI
7
0 D7
MISOA
8
1 D3
MISOB
9
12
2 3 4 5 6
10
11
B+_SENSE
12
Q301
13 Force_Fail
14
15
VCC2.85
MCU_DE - RESISTOR PLACEMENT
R346
R325
10K
0
MCU and DSP request DEBUG
R001
breaks on each other
LOGIC_BOOT
MCU request DEBUG on
R002
TMS1 signal line
16
JTAG / ONCE CONN.
P3-1 P3-2
17
P3-3 P3-4
18
P3-5 P3-6
19
R326
P3-7 P3-8
3 0
RMS
P3-9 P3-10
20 NP
P3-11 P3-12
2
TRST U307-3
P3-13 P3-14
21
MC74LCX02
10
22
R323
0
23
6881076C25-E
10K R342
10K R341
R340
10K
DNP
BRD_ID0
7
SC1B
2 5 6
ABA_FSYNC
6 SC0B
ABA_CLK
0 SRDB
ABA_RXD
3
K11
4
G12
STDB
5
D16 5
STD
O
6
E14
SC2B
4
7
D15
SFS
I
DSCEN_SCKA SCKB
1
SCK
I
2
F12
UTXD2_PB0
3
C15
UCTS2_PB2
2 UTXD2
TX-RS232
O
E9 5
STDB
0 URXD2
A11 6
SC0B_PC2 I RX-RS232
A12 7
SC1B 3 UCTS2
O CTS-RS232
1 URTS2
RTS-RS232
I
J11
STDA
G16
SC1A_PC6 O VIPOUT1-BL_EN
G10
SC0A_PC7 O VIPOUT2
C6 7 7
MOSIA
O MOSIA
C7 8 8
QSCKA
O QSCKA
F5 9 0
MOSIB MISOA
I
E4 10
QSCKB
B1 11
SPICS0_PE10
F4 12
9
SDI_D_C_PE5_SPICS1 MOSIB
E3 13
10
QSCKB
SPICS2_PE4
D2
14 1
MISOB
SPICS3_PE6
E2 15
SPICS4_PE11
6
O ADDAG_SEL
14
O ROSC-PSC_EN
15
O SYN_SEL
QSPI(15:0)
2
O DA_SEL*
11
O
DISP_EN-LATCH*
3
KRSIC_SEL
5
BRD_ID4 0 R344
USB(4:0)
47K
B+ SENSE R315 47K B+_SENSE
Board
47K
VR303
C307 Proto 3
5.6V
0.1uF Proto 4
VR301
VCC2.85
3.9V Proto 5
Proto 6
REV O
R349
Q303
10K Rev A
Rev B
Force Fail
47K
Rev C
Q302 47K Rev D
VR305
Rev E
5.6V
C331
47K
470pF
R347
47K
47K
C330 R348 CABLE DETECT
470pF
0
DNP
VCC2.85
Q300
47K
BOOTSTRAP
R307 R345
47K
VR304
10K
1K
8
9.1V
R318
C309
0
9 R308
470pF
47K
VCC2.85
VCC1.8
L301
KRSIC SSI
C314
C315
BBP-ABAII
100pF
1uF
ADDAG SSI
BBP
RS 232
QSPI A
QSPI B
QSPI CS's
12
13
MC74LCX125
1
0
Board ID Table
ID4 ID3 ID2 ID1 ID0 Board ID4 ID3ID2 ID1 ID0
0 0 0 0 0 1 0 0 0 0
0 0 0 0 1 1 0 0 0 1
1
0 0 0 1 0 0 0 1 0
7
RIA_USB_SUSP
1
0 0 0 1 1 0 0 1 1
1
0 0 1 0 0 0 1 0 0
1
C308
0 0 1 0 1 1 0 1 0 1
0.1uF
1
0 0 1 1 0 0 1 1 0
1
0 0 1 1 1 0 1 1 1
1
0 1 0 0 0 1 0 0 0
1
0 1 0 0 1 1 1 0 0 1
1
0 1 0 1 0 1 0 1 0 U303
1
SN74CBT3257
0 1 0 1 1 1 0 1 1
1
0 1 1 0 0 1 1 0 0
1
Proto 2
0 1 1 0 1 1 1 1 0 1
3
4
0 1 1 1 0 1 1 1 1 0 YA
UTXD1/USB_VOUT
0 1 1 1 1 1 1 1 1 1
0
7
YB
URXD1/USB_SEO
4
9
I OPTB+_BOOT_VPP-CABLE YC
UCTS1/USB_FSEN
1
12
YD
R331 URTS1/USB_XRXDX
0
I USB_BOOT
L300
C300
C301
100pF 1uF
C310 C313 C311 C312
0.1uF 0.1uF 0.1uF 0.1uF
VCC1.55
L302
C316 C332 C329
0.1uF 1uF 100pF
C327
0.1uF
C323 C324
C325
0.1uF 0.1uF 0.1uF
*U300-5*
IC_PWR_GND
C304
0.1uF
VCC5.0
R310
47K
USB INTERFACE
11
U306-4
MC74LCX125
4 3 2
USB_INIT
USB_VP
C306
0.1uF VCC2.85
DNP
U304
PDIUSBP11A
R314 DNP
VCC5.0
0 DNP
1 3
VCC
RCV
MODE 4
PC1_USB_TXEN 2
VP
OE 5
12
VM
VPO
PC0_USB_EOP 13 11
DPOS
VMO
6 10
DNEG
9 SUSPND
R317
SPEED
VCC
22
15 8
NC1 DNP
EN_OE
1
GND
SELECT
2
I0A
3
I1A
USB_VM
5
I0B
6
I1B
11
I0C
10
I1C
14
I0D
13
I1D

HLN6837E ASTRO Spectra Plus Digital/Memory Schematic (Sheet 2 of 2)

7-77
spare parts
VCC2.85 MC74LCX125
U306-1
12
1
13
3
11 2
MC74LCX02
U307-4
POWER / GND
VCC2.85
U305-2
PWR_GND
VCC
GND
VCC2.85 VCC2.85
VCC VCC
C305
GND GND
0.1uF
USB_CONTROL
U306-3
10
USB_PWR
8 9
R311
10K
VCC2.85
1
4 2
R313
1.5K
NC7SZ125
DNP U305-1
R316
22
DNP
USB_D+
USB_D-
USB_MOD
O LH-TX_DATA
I LH-RX_DATA
SB9600
O BUSY_OUT
I BUSY_RTS
September 5, 2008