Schematics, Boards Overlays, and Parts Lists
: Main Board Block: VHF (84012512001_A)
8-121
Figure 8-66. Power Amplifier Circuit
330PF
IF
33NH
43PF
56PF
C901M16
C935M16
C934M16
L912M16
IF901M16
TX_INJ
2
1
1
IN
330PF
110NH
.01UF
L902M16
C903M16
C902M16
21
330PF
180NH
.01UF
L903M16
C911M16
C908M16
21
GND4
EP
G2
VD1
GND3
NC2
NC1
NC3
VCNTRL
NC4
GND1
GND2
RFOUT
NC5
RFIN
TPVG1
TPVG2
SRFIC7126
U902M16
14
1
3
2
6
16
7
15
10
9
8
13
12
5
4
11
17
15NH
56PF
39NH
330PF
47PF
75K
DNP
330PF
47PF
.01UF
1K
100PF
1.1PF
DNP
33K
DNP
L904M16
L905M16
C907M16
C915M16
R905M16
R904M16
R903M16
C913M16
C910M16
C916M16
C914M16
C917M16
C931M16
21
2
1
2
1
3300PF
3300PF
330PF
330PF
C909M16
C906M16
C930M16
C929M16
56PF
DNP
330PF
6.8NH
L901M16
C912M16
C904M16
2
1
LMV841
10K
.01UF
R902M16
U901M16
C905M16
25
4
1
3
10K
IF
R901M16
IF902M16
VC
1
IN
IF
IF
IF904M16
IF903M16
TX_7V
FIL
1
1
IN
IN
330PF
9NH
39PF
27PF
1.65NH
9.1PF
18PF
DNP
18NH
IF
15PF
C928M16
L910M16
L909M16
C922M16
C925M16
L908M16
C924M16
C923M16
C921M16
IF905M16
PA_OUT
1
2
1
OUT
39PF
30PF
5.5NH
DNP
RD07MUP2B
59.71NH
C927M16
L907M16
Q901M16
L906M16
C920M16
D
G
S1
S2
4
2
1
3
15PF
330
R906M16
C919M16
2
1
2
1
DNP
62PF
620PF
C918M16
C933M16
Содержание Astro APX 3000
Страница 1: ...APXTM TWO WAY RADIOS APX 3000 DETAILED SERVICE MANUAL ...
Страница 2: ......
Страница 4: ...Notes ...
Страница 6: ...vi Document History Notes ...
Страница 10: ...x Table of Contents Notes ...
Страница 12: ...xii List of Tables Notes ...
Страница 18: ...xviii List of Figures Notes ...
Страница 22: ...xxii CommercialWarranty Notes ...
Страница 46: ...3 20 Theory of Operation Main Board Notes ...
Страница 84: ...3 58 Theory of Operation Bluetooth Notes ...
Страница 147: ...Troubleshooting Waveforms Clocks 6 3 6 2 2 4 MHz Clock Trace 1 Trace recorded at R6113 Figure 6 2 4 MHz Clock Waveform ...
Страница 154: ...6 10 Troubleshooting Waveforms Audio SSI 6 3 4 BCLK Trace 1 Trace recorded at R6107 Figure 6 9 Audio SSI BCLK Waveform ...
Страница 156: ...6 12 Troubleshooting Waveforms RX SSI 6 4 2 DA Trace 1 Trace recorded at R2805 Figure 6 11 RX SSI DA Waveform ...
Страница 157: ...Troubleshooting Waveforms RX SSI 6 13 6 4 3 FSYNC Trace 1 Trace recorded at R2804 Figure 6 12 RX SSI FSync Waveform ...
Страница 159: ...Troubleshooting Waveforms TX SSI 6 15 6 5 2 DA Trace 1 Trace recorded at R2817 Figure 6 14 TX SSI DA Waveform ...
Страница 160: ...6 16 Troubleshooting Waveforms TX SSI 6 5 3 FSYNC Trace 1 Trace recorded at R2807 Figure 6 15 TX SSI FSync Waveform ...
Страница 161: ...Troubleshooting Waveforms SPI 6 17 6 6 SPI 6 6 1 CLK Trace 1 Trace recorded at R2803 Figure 6 16 SPI CLK Waveform ...
Страница 162: ...6 18 Troubleshooting Waveforms SPI 6 6 2 CS Trace 1 Trace recorded at R6602 Figure 6 17 CS Waveform ...
Страница 164: ...6 20 Troubleshooting Waveforms I2C BUS 6 7 2 SCL 5V Trace 1 Trace recorded at R2204 Figure 6 19 I2C Bus SCA 5V Waveform ...
Страница 165: ...Troubleshooting Waveforms I2C BUS 6 21 6 7 3 SDA Trace 1 Trace recorded at R6209 Figure 6 20 I2C Bus SDA Waveform ...
Страница 169: ...Troubleshooting Waveforms USB 6 25 6 10 USB 6 10 1 D Trace 1 Trace recorded at TP F_GCAI_USB Figure 6 24 USB D Waveform ...
Страница 170: ...6 26 Troubleshooting Waveforms USB 6 10 2 D Trace 1 Trace recorded at TP F_GCAI_USB Figure 6 25 USB D Waveform ...
Страница 172: ...6 28 Troubleshooting Waveforms SDRAM 6 11 2 CLKX Trace 1 Trace recorded at TP6308 Figure 6 27 SDRAM CLKX Waveform ...
Страница 208: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Страница 222: ...7 14 Troubleshooting Tables List of Board and IC Signals Notes ...
Страница 282: ...8 60 Schematics Boards Overlays and Parts Lists Main Board Block UHF1 84012513001_A Notes ...
Страница 338: ...8 116 Schematics Boards Overlays and Parts Lists Main Board Block 700 800 MHz 84012501002 Notes ...
Страница 390: ...8 168 Schematics Boards Overlays and Parts Lists Main Board Block VHF 84012512001_A Notes ...
Страница 456: ...9 8 Debugging Fixture Powering up Covert Board Notes ...
Страница 468: ...Glossary 10 Glossary Notes ...
Страница 472: ...Index 4 Index Notes ...
Страница 473: ......