May 28, 2008
6871620L01-C
7-22
Troubleshooting Tables:
List of Board and IC Signals
G1
EXT_SPKR_M
SPK_COM (TP)
*
Yes
H4
VCM2
C1362
Yes
A4
VREF
C1363
Yes
E8
VFUSE
GROUND
No
A3
TEST
GROUND
No
C4
SCAN_EN
GROUND
No
N1
PWR_CTRL
No Connect
No
M2
FE_TUNE2
No Connect
No
L3
FE_TUNE1
No Connect
No
K13
ATOD_8
No Connect
No
K12
ATOD_7
No Connect
No
K11
ATOD_6
R1329
Yes
L13
ATOD_5
R1331
Yes
L12
ATOD_4
R1351
Yes
M14
ATOD_3
No Connect
No
L11
ATOD_2
Pin 1 of U1305
Yes
M13
ATOD_1
No Connect
No
M14
ATOD_0
V2
2.89V
Yes
M12
ADC_VREF
C1365
Yes
L10
VMES
C1364
Yes
A5
BBP_CLK
R1112
Yes
B5
BBP_SYNC
R1114
Yes
E6
SPI_CLK
SCKB
SPI B Clock
No
D6
SPI_CS
R1334
Yes
B6
SPI_DI
SPI_MOSIB
SPI B Data to
MAKO
No
C6
SPI_DO
SPI_MISOB
SPI B Data
From MAKO
Yes
E7
CODEC_DCLK
R1335
Yes
D7
CODEC_FSYNC
R1336
Yes
B7
VC_TX
No Connect
No
M4
CODEC_TX
R1337
TX Audio to
DSP
Yes
Table 7-8. U1304 MAKO Pinouts (Continued)
U1304
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: ......