Hln6837C Astro Spectra Plus Rf Interface Schematic - Motorola ASTRO Digital Spectra Plus Detailed Service Manual

Schematics, Component Location Diagrams and Parts Lists: ASTRO Spectra Plus VOCON Section
KRSIC_DB(7:0)
KRSIC_DB(7:0)
KRSIC_AB(4:0)
KRSIC_AB(4:0)
VCC3.0
C200
ADDAG_SEL
ADDAG QSCKA
0.1uF
QSPIA
MOSIA
MISOA
VCC3.0
TXE
36 1
DSPCLK TCLKB
35 2
SFS SFS TCLK
ADDAG 34 3
SCK SCK AVDD2
SSI 33 4
STD STD AGND2
32 U201 5
SRD OUTQB
VCC3.0 31 6
57W85
DVDD2 OUTQ
30 7
DGND ADDAG OUTIB
29 8
DVDD1 OUTI
28 9
AGND1 FMOUT
27 10
AVDD1 ASW
26 11
AGCB VCNTO
25 12
AGC VCNTF
C214 C205
0.1uF 0.1uF
VCC3.0
VCC3.0
C206
C207 C208
0.1uF
C218 1000pF 0.1uF
*R224*
0.1uF
100K
R236
22
TP208
R235
22
MOD_OUT
REFMOD
C226 C224 C225 C227
TP209 470pF 470pF 470pF 470pF
DNP DNP
6881076C25-E
VCC3.0
R200
100K
C201
VCC3.0
4.3pF
R201
100K
0
1
2
3
4
C202
0.1uF
R225
MC33202
0
U202-1
4
3
R231
1
2 8
30K
VCC5.0
C215
4700pF
R202
2K
C216
470pF
R207
R208
18K
VCC5.0
30K
C217
VCC5.0
U202-2
MC33202
0.1uF
6 8
7
5
4
R209
30K
C223
R226
0.1uF
30K
A9
PG6 D0
B9
PG5 D1
A8
PG4 D2
C6
PG3 D3
C7
PG2 D4
A7
PG1 D5
A6
PG0 D6
G1
NC45 D7
D2
A8
E1
A9 FLASH_CSX
G5
A10 PRAM_A13
E2
A11 DATA_RAM_CSX
F1
A12 PRAM_CSX
E3
A13
H1
A14 SSI_DO
H2
RS0 SSI_DI
H5
RS1 SSI_CLK
H3
RS2 SSI_FSYNC
J3
RS3
K3
RS4 AUX_INTX
J1 KRSIC
RDX EIGHTKHZ_INTX
G2 U200
WRX INTX
KRSICP2
G3
CS1X
B1
NC46 MSTR_CLK_HI
F4
NC11 MSTR_CLK_LO
E4
NC12 DSP_CLK
D5
NC13 HC12_CLK
D6
NC14 RESETX
D7
NC15 CLK_RSTX
D8
NC16
A12
NC17 ENC_RXD
B12
NC18 ENC_TXD
A11
NC19 ENC_CLK
C11
NC20 NC1
C10
NC21 NC2
D11
NC22 NC3
B8
NC23 NC4
NC5
M5
ABA_CLK NC6
L5
ABA_FSYNC NC7
M6
ABA_RXD NC8
NC9
NC10
C219
C220
0.1uF
0.1uF
R241
R242
5.6K 390
VCC3.0
R245
R240 DNP
15K
DNP
3.3K
Q200 VCC5.0
R250
4.7K
L200
270nH
VCC3.0
R213
270
VCC3.0
Q201
R214
R215
270
33
Q202
VCC3.0 VCC3.0
R216
R246 R248
0
B5
33
1
A4
5.6K 5.6K
2
C3
R247 R249
3
C4
TEST_POINT
4
B4 1
TP214 DNP 18K Q203
5 DNP 18K
C2
TEST_POINT
6
C1 1
TP215
7
D1
TEST_POINT
1
TP216 R219
E5
TEST_POINT
C5 1
TP217
330
B6
A5
D12
C12
D9
E12
G12
C210
F10
E10
10pF
*R221*
18K
H8
H12
G8 VCC3.0
R222
F12
100K
L4
M3
VCC3.0
C9
B10 C212
0.1uF
A10
E9
R232
F9 10K
G9
H9
J8
J7
J6
J5
R223
H4
10K VCC3.0
G4
TP218
C209
0.1uF
TP220
TP222

HLN6837C ASTRO Spectra Plus RF Interface Schematic

7-67
R243
560 R234
DNP
100
SBI
ABACUSII
ODC
DOUT*
INTERFACE
DOUT
Parallel combinations for
Abacus Interface Resistors
R240 8.2K
= 3.3K
R241 5.6K
R242 1.2K
= 390
R243 560
R245 15K
= 4.7K
R250 6.8K
R246 8.2K
= 5.6K
R247 18K
R248 8.2K
= 5.6K
Q204 R249 18K
R220
330
KRSIC_SEL
MOSIB KRSIC
MISOB
QSPIB
QSCKB
RESET_OUT
C211
.01uF
16.8MHz
VCC3.0
R230
100K
R229
100K
8Khz_DSP
TP219
TP221
TP223
ABA_RXD
KRSIC SSI
ABA_FSYNC
BBP-ABAII
ABA_CLK
KRSIC_CS
KRSIC R/W*
KRSIC_WR
KRSIC_RD
63B81096C40-O
September 5, 2008