Troubleshooting Tables:
List of Board and IC Signals
7-53
D2
GROUND
N/A
D3
N/C
–
D4
N/C
–
D5
N/C
–
D6
N/C
–
D7
N/C
–
D8
SDA
J3001_Pin 21
R6209
D9
GROUND
N/A
E1
N/C
–
E2
GROUND
N/A
E3
N/C
–
E4
N/C
–
E5
N/C
–
E6
N/C
–
E7
N/C
–
E8
VCC_1.875
J4001_Pin 28, J1001_Pin 6,
R1010, C4001
R6411, C6410, C6411, R6560,
C6581, R6410
E9
SSI_RED_RX_CODEC
F_SSIR_RX_CDC Test Point,
R3003, R3015, J3001_Pin 49,
F_SSIR_RX_CPLD Test Point,
J3001_Pin 47
F1
N/C
–
F2
GROUND
N/A
F3
N/C
–
F4
N/C
–
F5
N/C
–
F6
N/C
–
F7
N/C
–
F8
SSI_RED_TX_CODEC
F_SSIR_TX_CDC Test Point,
R3016, R3004, J3001_Pin 53,
F_SSIR_TXMACE Test Point,
J3001_Pin 51
R5001
F9
SS1_MACE_CODEC_FSYNC
N/A
Table 7-17. U6405 CODEC Pinouts (Continued)
U6405
Pin No.
Description
Probe Points
Not Shielded
Under Shield
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: ......