7-52
Troubleshooting Tables:
List of Board and IC Signals
Table 7-17. U6405 CODEC Pinouts
U6405
Pin No.
Description
Probe Points
Not Shielded
Under Shield
A1
AUDIO_MIC_POS
Test Point F_AUDIO_MICP,
J4001_Pin 41
C6408, R6407
A2
N/C
–
A3
N/C
–
A4
N/C
–
A5
LINE1LM
C6406
A6
EXT_MIC_POS_A
J4001_Pin 54
C6404, C6428, R6404,
A7
N/C
–
A8
SPI_DSP_MISO
R1002, J1001_Pin 29
A9
SPI_DSP_MOSI
J1001_Pin 31
R6602
B1
VCC_3.0A
C6413, C6414, R6567, C6574
B2
N/C
–
B3
DATA_MIC_POS
M6401
C6407, R6403
B4
N/C
–
B5
N/C
–
B6
N/C
–
B7
N/C
–
B8
CODEC_CS
R6413, R6418
B9
SPI_DSP_CLK_CPLD
R1013, R6419, R1003,
J1001_Pin 33
R6412
C1
VCC_3.0A
C6413, C6414, R6567, C6574
C2
GROUND
N/2
No C3
Pin
C4
N/C
–
C5
N/C
–
C6
N/C
–
C7
N/C
–
C8
SCL
J3001_PIN 19
C9
VCC_CODEC (VCC_1.875)
J4001_Pin 28, J1001_Pin 6,
R1010, C4001
R6411, C6410, C6411, R6560,
C6581, R6410
D1
N/C
–
Summary of Contents for ASTRO APX 7000
Page 1: ......
Page 4: ...iv Document History Notes ...
Page 24: ...2 4 Radio Power DC Power Routing VOCON Board Notes ...
Page 98: ...3 74 Theory of Operation Global Positioning System GPS ...
Page 163: ...Troubleshooting Charts PA Failure 5 59 ...
Page 164: ...5 60 Troubleshooting Charts PA Failure ...
Page 276: ...7 58 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 318: ...8 42 Schematics Boards Overlays and Parts Lists Transceiver RF Boards VHF 700 800 Notes ...
Page 380: ...8 104 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 700 800 MHz Notes ...
Page 432: ...8 156 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 VHF Notes ...
Page 458: ...8 182 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 UHF2 Notes ...
Page 498: ...8 222 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 700 800 MHz Notes ...
Page 546: ...8 270 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 VHF Notes ...
Page 606: ...8 330 Schematics Boards Overlays and Parts Lists VOCON Boards Notes ...
Page 638: ...Glossary 10 Glossary Notes ...
Page 643: ......