6871620L01-C
May 28, 2008
Troubleshooting Tables:
List of Board and IC Signals
7-19
Table 7-8. U1304 MAKO Pinouts
U1304
Pin No.
Description
To/From
Comment
Accessible
on
Mainboard?
B1
XTAL32_OUT
C1305
32.768 kHz
Square Wave
Yes
C1
XTAL32_IN
C1306
Yes
F3
BAT_RTC
No Connect
No
C2
VSAVE
C1307
Yes
D1
BAT_7V5
R1309
Yes
D2
BAT_3V6
C1308
Yes
D3
REG_3V6
C1308
Yes
B2
BAT_TYPE
GROUND
No
G4
HV_BG
C1309
Yes
E2
FET_ENX
R1311
Yes
F4
EMERG_PB
No Connect
No
E4
MECH_SW
MECH_SW (TP)
*
Active
Low
Yes
B3
SW_TYPE
R1370
Yes
B4
IGN_X
No Connect
No
C5
RESETX
C1425
Yes
F5
GATED_32K_CLK
R1314
Yes
D5
INT_X
MAKO_INT (TP)
*
MAKO
Interrupt
Yes
A12
XOUT
C1316
24.576 MHz
Yes
A13
XIN
C1317
24.576 MHz
Yes
D4
TCXO_SEL_16_24
GROUND
No
M1
TCXO_IN
CKIH_VOCON
16.8 MHz
Yes
P5
GND1
GROUND
No
M7
GND2
GROUND
No
J4
GND3
GROUND
No
G5
GND4
GROUND
No
K9
GND5
GROUND
No
L4
GND6
GROUND
No
D14
GND7
GROUND
No
H5
GND8
GROUND
No
D9
GND9
GROUND
No
D12
VBUS2
No Connect
No
C13
VBUS2_CMD
No Connect
No
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: ......