8-342
Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: 900 MHz (84012478001)
Figure 8-159. Receiver Back End Circuit
D1
C641
C643
R698
2
1
C629
2
1
R607
DC_LIN_5_0V
33PF
470PF
100K
0
DC_LIN_5V
0.1UF
IN
2
3
1
Q601
MMBTA13
DC_RX_BE_SUPFLTR_B
TP601
RF_RX_BE_SUPFLTR_C
RF_RX_BE_VCO_OUT2
TEST_POINT
RF_RX_BE_VCO_E
1
2
1
C609
2
1
C608
2
1
R606
2
1
C618
2
1
C619
2
1
R602
62PF
390
27PF
33PF
10K
RF_RX_BE_VCO_OUT
3PF
C646
23
1
U602
2
1
R605
2
1
C630
2
1
VR602
2
1
L604
2
1
C627
C631
C625
RF_RX_BE_VCO_D
8PF
RF_RX_BE_VCO_L
7PF
0.1UF
1SV279
1000PF
BFR380F
10K
18PF
120NH
RF_RX_BE_VCO_TUNE
2
1
R613
2
1
C640
2
1
C639
2
1
R612
2
1
R609
2
1
C638
2.2K
7.5K
2.4K
RF_RX_BE_VCO_A
3300PF
RF_RX_BE_VCO_F
0.1UF
.01UF
RF_RX_BE_VCO_B
RF_RX_BE_IF_1
C645
L611
C644
2
1
C601
2
1
L601
TL_RX_IF
270NH
2.7PF
DNP
RF_RX_BE_IFIN
.01UF
2.7PF
220NH
IN
2
1
R601
47
C605
3.9PF
L603
L602
2
1
C615
RF_RX_BE_MX
10UH
150PF
10UH
2
1
C621
2
1
C617
0.1UF
0.1UF
DIG_RX_BE_CXVL
2
1
C628
2
1
C623
RF_RX_BE_CXIF
RF_RX_BE_LON
.01UF
.01UF
E606
2
1
C626
1000PF
DC_RX_BE_VDDL
DC_LIN_3_0V
DIG_RX_BE_CXVM
R624
E607
DNP
0
CLK_16_8_MHZ
DC_LIN_5_0V
IN
DC_LIN_3_0V
E603
E602
E601
DC_LIN_3_0V
DC_LIN_3_0V
2
1
C616
2
1
C613
2
1
C612
2
1
C602
2
1
C604
2
1
C607
DC_RX_BE_VDDA
DC_RX_BE_VREFN
2200PF
100PF
.01UF
.01UF
100PF
.01UF
2
1
C603
2
1
C610
1
C611
DC_RX_BE_VDDI
DC_RX_BE_VREFP
.01UF
DC_RX_BE_VDDF
100PF
RF_RX_BE_IF2P
RF_RX_BE_GCP
RF_RX_BE_IF2N
RF_RX_BE_MXON
RF_RX_BE_MXOP
100PF
2
11
12
6
9
1
2
5
4
3
10
7
8
48
47
39
40
43
42
38
37
45
41
44
46
U601
AD9864
DC_RX_BE_VDDP
CXVL
LOP
LON
CXVM
VDDL
VDDP
IOUTL
GNDP
RREF
VDDQ
IOUTC
GNDQ
VDDC
GNDC
CLKP
CLKN
GNDS1
GNDD
PC
PD
GNDL
FREF
GNDS2
SYNCB
GNDH
FS
DOUTB
DOUTA
CLKOUT
VDDH
VDDD
PE
MXOP
MXON
GNDF
IF2N
IF2P
VDDF
GCP
GCN
VDDA
GNDA
VREFP
VREFN
VDDI
IFIN
CXIF
GNDI
GND3
27
26
33
25
34
36
32
31
35
30
29
28
2
1
R603
14
17
13
24
23
15
21
16
22
18
G1
19
20
DC_RX_BE_VDDQ
DC_RX_BE_VDDC
100K
DIG_RX_BE_RREF
L605
2
1
R611
2
1
C635
C632
100PF
10K
.01UF
3.9UH
DC_LIN_3_0V
21
VR601
2
1
R608
CLK_RX_BE_CLKN
10K
1SV279
CLK_RX_BE_CLKP
RF_RX_BE_IOUT
RF_RX_BE_18D
2
1
C624
2
1
C622
2
1
R604
2
1
C620
.33UF
0.1UF
390
.33UF
RF_RX_BE_18T
E605
E604
2
1
C606
0.1UF
DC_LIN_3_0V
DC_LIN_3_0V
2
1
C614
.01UF
DC_LIN_3V
C642
470PF
DC_LIN_1_875V_D
R699
0
DC_LIN_3_0V
IN
IN
DC_LIN_3_0V
2
1
C633
C636
CLK_RX_BE_FREF
.01UF
DIG_RX_BE_SYNCB
0.1UF
1
2
1 C637
2
1 C634
0.1UF
0.1UF
DC_RX_BE_VDDH
DC_RX_BE_VDDD
E608
E609
DC_LIN_3_0V
R615
R614
0
0
DNP
DC_LIN_1_875V_D
DC_LIN_3_0V
R619
R618
R617
6
1
U604
4
3
U603
DIG_RX_DATA
DNP
0
DIG_RX_CLK
0
NC7WZ17
NC7WZ17
DNP
DNP
0
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
A2
A1
D1
C2
B2
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
NC
R621
R620
A2
A1
D2
C2
B2
C1
B1
U606
D2
C1
B1
U605
DC_LIN_1_875V_D
DNP
SN74LVC2T45
SN74LVC2T45
DNP
DC_LIN_3_0V
0
0
DC_LIN_3_0V
NC
4
3
U604
DIG_CTRL_SPI_PE
DIG_DATA_SPI_PD
NC7WZ17
DC_LIN_1_875V_D
DIG_CTRL_SPI_PC
IN
IN
IN
CLK_SSI_RX
DIG_DATA_SSI_RX_DOUTA
OUT
OUT
DIG_RX_BE_DOUTB
OUT
NC
Y
GND
VCC
A
OE
4
6
1
5
3
2
U607
R623
NC7SZ125
0
DNP
DC_LIN_1_875V_D
DIG_DATA_SSI_RX_FS
IN
OUT
R616
6
1
U603
0
NC7WZ17
DIG_RX_SYNCB
DNP
R610
100K
DIG_RX_FS
DC_LIN_3_0V
VCC
GND
VCC
GND
DC_LIN_1_875V_D
DC_LIN_1_875V_D
U603
NC7WZ17
5
2
5
2
U604
NC7WZ17
Summary of Contents for APX 2000
Page 1: ...APXTM TWO WAY RADIOS APX 1000 APX 2000 APX 4000 APX 4000Li DETAILED SERVICE MANUAL ...
Page 4: ......
Page 6: ...iv Document History Notes ...
Page 8: ...Notes vi Commercial Warranty ...
Page 10: ...Notes ...
Page 22: ...xiv List of Figures Notes ...
Page 226: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 688: ...Index 4 Index Notes ...
Page 690: ...ii Notes ...
Page 700: ...xvi List of Figures Notes ...
Page 806: ...5 50 Troubleshooting Charts PA Failure Notes ...
Page 1008: ...8 178 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 84012621001 Notes ...
Page 1062: ...8 234 Schematics Boards Overlays and Parts Lists Keypad Board M2 and M3 PC000261A01 Notes ...
Page 1064: ...ii Notes ...
Page 1068: ...Notes A 4 EMEA Warranty Service and Technical Support Further Assistance From Motorola ...
Page 1090: ...Glossary 10 Glossary Notes ...
Page 1094: ...Index 4 Index Notes ...
Page 1095: ......