8-112
Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01)
Figure 8-45. Receiver Back End Circuit
2
1
C624
2
1
C622
.33UF
.33UF
C641
C642
C643
R698
R699
23
1
Q601
2
1
C629
2
1
R607
DC_LIN_3_0V
MMBTA13
100K
DC_RX_BE_SUPFLTR_B
RF_RX_BE_SUPFLTR_C
33PF
0.1UF
DC_LIN_3_0V
DC_LIN_5_0V
0
470PF
0
DC_LIN_5V
470PF
DC_LIN_3V
DC_LIN_1_875V_D
IN
IN
IN
C646
1
TP601
2
3
1
U602
2
1
C609
2
1
C608
2
1
R605
2
1
C630
2
1
R613
2
1
C640
2
1
C639
2
1
R612
2
1
R609
21
VR602
2
1
L604
2
1
R606
2
1
C638
2
1
C627
C631
C625
2
1
C618
2
1
C619
2
1
R602
RF_RX_BE_VCO_E
3300PF
1SV279
120NH
10K
18PF
RF_RX_BE_VCO_D
7PF
33PF
RF_RX_BE_VCO_OUT
10K
0.1UF
62PF
2.2K
390
3PF
27PF
TEST_POINT
RF_RX_BE_VCO_B
RF_RX_BE_VCO_OUT2
0.1UF
7.5K
2.4K
RF_RX_BE_VCO_TUNE
1000PF
RF_RX_BE_VCO_A
.01UF
BFR380F
RF_RX_BE_VCO_F
RF_RX_BE_VCO_L
8PF
2
1
E605
2
1
E604
2
1
E603
2
1
E602
2
1
E601
2
1 C616
2
1
C606
2
1
C614
2
1
C613
2
1
C612
2
1
C602
2
1
C603
2
1
C607
100PF
DC_LIN_3_0V
DC_LIN_3_0V
2200PF
.01UF
DC_RX_BE_VDDA
DC_LIN_3_0V
DC_LIN_3_0V
.01UF
DC_RX_BE_VREFN
.01UF
100PF
.01UF
DC_LIN_3_0V
0.1UF
DC_RX_BE_VDDI
C645
L611
C644
L603
L602
2
1
R601
2
1
C601
C605
2
1
L601
2
1
C621
2
1
C617
2
1
C615
2.7PF
DNP
2.7PF
0.1UF
3.9PF
220NH
RF_RX_BE_IF_1
.01UF
270NH
RF_RX_BE_MX
DIG_RX_BE_CXVL
RF_RX_BE_CXIF
0.1UF
47
10UH
150PF
10UH
TL_RX_IF
RF_RX_BE_IFIN
IN
2
1
C626
2
1
C628
2
1 C623
DIG_RX_BE_CXVM
.01UF
RF_RX_BE_LON
1000PF
DC_RX_BE_VDDL
.01UF
2
1
E607
2
1
E606
1
C636
DC_LIN_3_0V
0.1UF
CLK_16_8_MHZ
DC_LIN_5_0V
IN
R624
R610
DIG_RX_FS
0
100K
DC_LIN_3_0V
DNP
NC
Y
GND
V
CC
A
OE
4
6
1
5
3
2
U607
R616
6
1
U603
DIG_DATA_SSI_RX_FS
DC_LIN_1_875V_D
0
NC7WZ17
NC7SZ125
DIG_RX_SYNCB
DNP
IN
OUT
R623
R618
R617
4
3
U603
0
DIG_DATA_SSI_RX_DOUTA
NC7WZ17
0
DNP
DNP
DIG_RX_BE_DOUTB
DNP
0
DIG_RX_DATA
DIG_RX_CLK
OUT
OUT
NC
R619
4
3
U604
6
1
U604
CLK_SSI_RX
0
NC7WZ17
DNP
NC7WZ17
OUT
DIG_CTRL_SPI_PE
DIG_DATA_SPI_PD
DIG_CTRL_SPI_PC
DC_LIN_1_875V_D
IN
IN
IN
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
A1
A2
VCCA
VCCB
GND
DIR
NC
D1
A2
A1
D1
D2
C2
B2
C1
B1
U605
DC_LIN_3_0V
SN74LVC2T45
D2
C1
B1
U606
SN74LVC2T45
DC_LIN_3_0V
B1
B2
R621
A2
A1
C2
B2
DNP
DC_LIN_1_875V_D
0
R620
0
DNP
R615
R614
0
0
DNP
DC_LIN_3_0V
DC_LIN_1_875V_D
2
1
E608
2
1
E609
2
1
C637
2
1
C634
DC_LIN_3_0V
0.1UF
0.1UF
L605
2
1
R611
2
1
C635
3.9UH
10K
DC_LIN_3_0V
.01UF
2
1
R604
2
1
R608
2
1
C620
RF_RX_BE_18T
RF_RX_BE_18D
390
0.1UF
10K
C632
21
VR601
CLK_RX_BE_CLKN
CLK_RX_BE_CLKP
100PF
1SV279
RF_RX_BE_IOUT
2
1
R603
14
17
13
24
23
15
21
16
22
18
G1
19
20
DC_RX_BE_VDDC
DIG_RX_BE_RREF
100K
DC_RX_BE_VDDQ
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
39
40
48
27
26
33
25
43
42
38
47
34
37
36
45
32
31
35
30
29
41
44
46
28
U601
DC_RX_BE_VDDP
AD9864
2
1
C604
2
1
C610
2
1
C611
11
12
6
9
1
2
5
4
3
10
7
8
.01UF
100PF
DC_RX_BE_VREFP
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
2
1
C633
.01UF
DC_RX_BE_VDDH
DC_RX_BE_VDDD
DIG_RX_BE_SYNCB
CLK_RX_BE_FREF
VCC
GND
VCC
GND
5
2
U603
5
2
U604
NC7WZ17
DC_LIN_1_875V_D
NC7WZ17
DC_LIN_1_875V_D
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: ......