Troubleshooting Tables:
List of Board and IC Signals
7-53
Note:
* PU = Pull Up
* PD = Pull Down
** = Not applicable to APX 2000/ APX 4000 (Two Knobs)
sda
I2C Data
V20
I/O
None
Input
None
rtck
JTAG Clock from
Controller
Y17
I/O
None
U
Unknown
None
tck
JTAG Clock from
JTAG box to Control-
ler
W18
Input
None
Input
Pull-
down
ntrst
JTAG Reset from
JTAG box
Y18
Input
None
Input
omap_tms
JTAG Test Mode
Select from JTAG box
V17
Input
Input
Pull-
down
omap_tdo
JTAG Data out from
Controller
AA19
Output
0
Output
None
tdi
JTAD Data in from
JTAG box to Control-
ler
Y19
Input
Input
Pull-
down
nemu0
"Emulation pin 0, not
used, pulled high on
PCB
"V16
I/O
Input
Pul-
lup
nemu1
"Emulation pin 1, not
used, pulled high on
PCB
"W17
I/O
Input
Pul-
lup
Table 7-18. Overall GPIO pin functions (Continued)
Signal Name
Description
Pin
or
Ball #
Active
State
SW Initialized
HW Reset
Direction
*
PU
State Direction
*
PU
or
PD
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: ......