Motorola ASTRO XTS 5000 Detailed Service Manual page 134
Digital portable radios
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Also See for ASTRO XTS 5000:
- Detailed service manual (374 pages) ,
- User manual (164 pages) ,
- Basic service manual (128 pages)
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7-12
U401
Pin No.
B15
J13
J16
J12
H11
A5
N6
P8
P11
M11
L15
H16
F14
G14
E13
B13
K15
D9
C8
B5
C2
C1
H3
K15
T8
H15
C9
B6
E2
D2
E3
July 21, 2004
Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued)
Description
OPT_SEL2_OUT
AUDIO_MODE_SEL
EEPOT_CS_EXT*
EEPOT_U_D*
EEPOT_CS*
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
ABACUS_CS*
UNI_SEL*
FLPR_CS*
GCAP_CE
Troubleshooting Tables: List of Board and IC Signals
To/From
Comment
R256
R257
U509, pin 1
U509, pin 2
U509, pin 10
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
R126
Active Low
R131
Active Low
Active Low
R539
Active High
Accessible
on Vocon?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
6881094C31-D
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Troubleshooting
