May 28, 2008
6871620L01-C
7-10
Troubleshooting Tables:
List of Board and IC Signals
Table 7-7. U1401 Patriot MCU/DSP IC Pinouts
U1401
Pin No.
Description
To/From
Comment
Accessible
on
Mainboard?
N22
Not Connect
No
R20
Not Connect
No
C18
Not Connect
No
C16
SIM_PD1_PB15_DSP_DB
G_PAW
R1401
2.89V
Yes
M2
ONE_WIRE_UP
R1339
Yes
C3
32K_SEL
Pin 6 of U1301
Yes
U2
INT_PTT
R1215
Active Low
Yes
U3
MAKO_INT
*
MAKO_INT (TP)
*
MAKO Interrupt
Yes
T7
OPT_SEL1_IN
Pin 1 of U1201
Yes
V4
Not Connect
No Connect
No
G21
INT4_PA6_OPTION_SELE
CT_1_IC1A
Pin 2 of U1406
Yes
G22
INT45_PA7_OPTION_SEL
ECT_2_IC1B
Pin 9 of U1201
Yes
R4
KP_ROW0
C1113
Yes
R3
KP_ROW1
C1112
Yes
R7
KP_ROW2
C1111
Yes
T8
KP_ROW3
C1110
Yes
T4
KP_ROW4
C1109
Yes
T2
KP_ROW5
C1108
Yes
T3
KP_ROW6
C1107
Yes
U4
KP_ROW7
C1106
Yes
M3
KP_COL0
C1116
Yes
N4
KP_COL1
C1115
Yes
N22
KP_COL2
C1114
Yes
N7
ENC_RESET
R1406
Yes
P3
BOOT
*
R1403
Yes
N3
WAKEUP
Pin 5 of J2
No
P4
SPARE2_ENC_PTT
R1404
Yes
P7
COV_DISP_ID
No Connect
No
B7
VIBRATE_CONT
R731
Yes
Summary of Contents for ASTRO XTSTM 4000
Page 1: ...COLOR CHORDS 7 ASTRO XTSTM 4000 Portable Radio Detailed Service Manual ...
Page 2: ......
Page 16: ...May 28 2008 6871620L01 C xiv Commercial Warranty Notes ...
Page 22: ...May 28 2008 6871620L01 C 1 6 Introduction Notes ...
Page 26: ...May 28 2008 6871620L01 C 2 4 Radio Power Notes ...
Page 56: ...May 28 2008 6871620L01 C 3 30 Theory of Operation Notes ...
Page 100: ...May 28 2008 6871620L01 C 6 8 Troubleshooting Waveforms Notes ...
Page 194: ...May 28 2008 6871620L01 C B 2 Motorola Service Centers Notes ...
Page 204: ...May 28 2008 6871620L01 C Glossary 10 Glossary Notes ...
Page 209: ......