Figure 8-70. Receiver Back End - Motorola APX 3000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Main Board Block: VHF (84012512001_A)
DC_LIN_5_0V
DC_LIN_5V R698M19
0
IN
C643M19 C641M19
470PF 33PF
MMBTA13
Q601M19
DC_LIN_1_875V_D
IN
DC_LIN_3_0V
R699M19
DC_LIN_3V
0
IN
C642M19
470PF
DC_LIN_3_0V
RF_RX_BE_IF_1
TL_RX_IF
L611M19
RF_RX_BE_IFIN
270NH
1 2 1 2
IN
L601M19
C601M19
220NH
.01UF
C644M19 C645M19 C605M19
2.7PF 2.7PF 6.8PF
DNP
E601M19
1 2 DC_RX_BE_VDDI
DC_LIN_3_0V
C603M19
.01UF
DC_RX_BE_VDDF
E602M19
1 2
DC_LIN_3_0V
C604M19
.01UF
E603M19
1 2 DC_RX_BE_VDDA
DC_LIN_3_0V
C602M19
.01UF
C607M19
100PF
E604M19
1 2
DC_LIN_3_0V
C606M19
0.1UF
E605M19
1 2
DC_LIN_3_0V
R607M19 C629M19
0.1UF
100K
1 2 1 2
C627M19
DC_RX_BE_SUPFLTR_B
1
R605M19
10K
RF_RX_BE_SUPFLTR_C
RF_RX_BE_VCO_B
1
U602M19
BFR380F
TP601M19
C608M19
TEST_POINT
3PF C618M19
1 1 2 33PF
R606M19
10K
RF_RX_BE_VCO_E
RF_RX_BE_VCO_OUT2
1 2
R602M19
C609M19 C619M19
390
27PF 62PF
RF_RX_BE_VCO_OUT
R601M19
47
C626M19
C617M19 C621M19
1000PF
0.1UF 0.1UF
DC_RX_BE_VDDL
DIG_RX_BE_CXVM
RF_RX_BE_CXIF
RF_RX_BE_MX
C623M19
L602M19 L603M19 DIG_RX_BE_CXVL .01UF
C628M19
10UH 10UH
.01UF
RF_RX_BE_LON
C615M19
150PF
1 2
DC_RX_BE_VDDP
U601M19
AD9864
C633M19
RF_RX_BE_MXOP 1 36
.01UF
MXOP GNDL
RF_RX_BE_MXON 2 35 2
MXON FREF
3 34
GNDF GNDS2
1 2 RF_RX_BE_IF2N 4 33 DIG_RX_BE_SYNCB
IF2N SYNCB
RF_RX_BE_IF2P 5 32
C611M19
IF2P GNDH
100PF 6 31
VDDF FS
RF_RX_BE_GCP
7 30
GCP DOUTB
1 2 8 29
GCN DOUTA
9 28
C610M19
VDDA CLKOUT
100PF 10 27 DC_RX_BE_VDDH
GNDA VDDH
DC_RX_BE_VREFP 11 26 DC_RX_BE_VDDD
VREFP VDDD
12 25
VREFN PE
DC_RX_BE_VDDQ
DIG_RX_BE_RREF
R603M19
100K
C612M19
.01UF DC_RX_BE_VDDC
DC_RX_BE_VREFN
CLK_RX_BE_CLKN
CLK_RX_BE_CLKP
RF_RX_BE_IOUT
C632M19
RF_RX_BE_18D 100PF
1 2
R608M19
10K
VR601M19
R604M19
1SV279
390
RF_RX_BE_18T
C622M19 C624M19
.33UF
.33UF
C614M19
.01UF
C630M19
0.1UF
1000PF
C646M19
8PF
R612M19
RF_RX_BE_VCO_L RF_RX_BE_VCO_F
7.5K
C631M19
RF_RX_BE_VCO_TUNE
8PF 1 2 1 2
C625M19 R609M19
18PF RF_RX_BE_VCO_D 2.2K
VR602M19
L604M19 R613M19
C639M19
1SV279 2.4K
120NH
C638M19 .01UF
3300PF
RF_RX_BE_VCO_A
C640M19
0.1UF
E606M19 TP603M19
DC_LIN_3_0V
TEST_POINT
1 2
E607M19
1 2
DC_LIN_5_0V
C636M19 IN CLK_16_8_MHZ
0.1UF
R624M19
0 DNP
DC_LIN_3_0V
1 CLK_RX_BE_FREF
R610M19
100K
E609M19
R614M19
0
DC_LIN_3_0V
1 2
E608M19
C634M19
C637M19
0.1UF 0.1UF
1 2 R615M19
0 DNP
DC_LIN_3_0V
L605M19
3.9UH
R611M19
10K
1 2
DC_LIN_3_0V
C635M19
.01UF
DC_LIN_1_875V_D
DC_LIN_1_875V_D
U604M19
U603M19
NC7WZ17
NC7WZ17
VCC VCC
GND GND
DIG_RX_SYNCB
R616M19
0 DNP
DIG_DATA_SSI_RX_FS
1 6
DC_LIN_1_875V_D
U603M19
U607M19
NC7WZ17
NC7SZ125
1 OE
2 A Y 4
5
NC
R623M19
R617M19 0 DNP
DIG_RX_DATA
0 DNP
3 4
OUT DIG_DATA_SSI_RX_DOUTA
U603M19
NC7WZ17
R618M19
DIG_RX_CLK
0 DNP
DIG_RX_FS
1 6
OUT CLK_SSI_RX
U604M19
NC7WZ17
U604M19
NC7WZ17
R619M19
0 DNP
3
DC_LIN_1_875V_D
C1 C2
A2
NC B2
B1 B2
A1
B1 IN DIG_CTRL_SPI_PE
D2
DIR
U605M19
SN74LVC2T45
DC_LIN_1_875V_D
R620M19
DC_LIN_3_0V
0 DNP
A2
C1 C2
B2
A1
B1 B2
B1
DIR
D2
U606M19
SN74LVC2T45
DC_LIN_1_875V_D
DC_LIN_3_0V
IN
R621M19
0 DNP
8-125
IN
OUT
OUT DIG_RX_BE_DOUTB
4
NC
IN DIG_DATA_SPI_PD
DIG_CTRL_SPI_PC

Figure 8-70. Receiver Back End