May 28, 2008
6871620L01-C
7-6
Troubleshooting Tables:
List of Board and IC Signals
Table 7-5. U1410 FLASH Pinouts
U1410
Pin No.
Description
To/From
Comment
Accessible
on
Mainboard?
B4
CLK
No
E7
EN_CE
No
F8
EN_OE
No
C5
EN_WE
No
D6
WP
GROUND
No
C4
ADV
No
B5
RESET
D1401, pin 2
1.875V
Yes
E8
Address 0
E1126
Yes
D8
Address 1
No
C8
Address 2
No
B8
Address 3
No
A8
Address 4
No
B7
Address 5
No
A7
Address 6
No
C7
Address 7
No
A2
Address 8
No
B2
Address 9
No
C2
Address 10
No
A1
Address 11
No
B1
Address 12
No
C1
Address 13
No
D2
Address 14
No
D1
Address 15
No
D4
Address 16
No
B6
Address 17
No
A6
Address 18
No
C6
Address 19
No
B3
Address 20
No
C3
Address 21
No
D7
Address 22
R1423
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: ......