6871620L01-C
May 28, 2008
Troubleshooting Tables:
List of Board and IC Signals
7-11
D8
HAB_MOD
R1221
Yes
G8
MISOA_SEL
Pin 2 of U1406
Yes
B8
Patriot_ONOFF
R9924
Yes
G4
ON_OFF_det
R9922
Yes
G2
FLIP_SENSE
R1106
Yes
G3
LOCK_DET
R1122
Yes
H7
DISP_BRIGHT2
C1104
Yes
F4
Not Connect
No
F3
KP_BLEN
R9911
Yes
E4
GPIO
Pin 2 of U9918
Yes
E3
Not Connect
No
C9
Not Connect
No
D9
Not Connect
No
D10
Not Connect
No
C10
Not Connect
No
C4
DISP_BRIGHT1
R9905
Yes
D17
Not Connect
No
C17
RS232_USB
*
R1341
Yes
D18
RX_SSI_CLK
R1109
1.204 MHz
Yes
C19
OPT_SEL2_OUT
R1231
Yes
P17
Not Connect
No
N21
Not Connect
No
P20
Not Connect
No
N20
Not Connect
No
G16
Q7VDD
V1.55
1.55V
Yes
G11
Q6VDD
V1.55
1.55V
Yes
N17
Q2_Q8VDD
V1.55
1.55V
Yes
U12
Q4VDD
V1.55
1.55V
Yes
M7
Q3_Q1VDD
V2
1.55V
Yes
G17
PVDD
V2
2.89V
Yes
Table 7-7. U1401 Patriot MCU/DSP IC Pinouts (Continued)
U1401
Pin No.
Description
To/From
Comment
Accessible
on
Mainboard?
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: ......