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Motorola MTR3000 User Manual

Motorola MTR3000
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Troubleshooting 4-27
Figure 4-12 Clock and Reset Troubleshooting Flow Chart (Controller)
Main Reset
High?
U2208M5
pin 4,5,6,7
16.8MHz
ok?
U2402M6
pin 3,5,7
Oscillator ok?
Y2400M6 pin
3, or Y2401M6
pin 4
Replace Y2400M6,
Y2401M6
No No
Check/Replace
U2400M6, U2402M6
Yes
FPGA input
clock ok?
TP2017M5
Series
Components
ok? See
Schematic
Yes
Tx OMAP
12MHz ok?
TP1201M1
Tx OMAP
32.768KHz
ok?
TP1202M1
Rx OMAP
12MHz ok?
TP1800M1
Rx OMAP
32.768KHz
ok?
TP1801M1
Check/Replace
Series Components.
See Schematic
No
Yes
Yes
Yes
No
No
Check/Replace
Series Components.
See Schematic
FPGA (U2000M5)
Failure
Replace Controller
Clock Section is ok
Yes
No
5V_MON =
3.3V?
TP3821M4
Check/Replace
R3820M4, U3819M4
1.4V Tx
OMAP_PG
= 3.3V?
R3853M4
Check/
Replace
R3853M4, U3800M4
1.4V Rx
OMAP_PG
= 3.3V?
R3844M4
Check/Replace
R3844M4, U3850M4
FP FPGA
RST =
3.3V?
TP2016M5
Check/Replace
R3160M7
MAKO
MECH SW =
2.5V?
R1416M1
MAKO V9
DET =
2.9V?
TP2019M5
MAKO
RESET =
1.8V?
TP2021M5
Reset is okay
Tx OMAP
FPGA RST
= 1.8V?
TP2020M5
Series
Components
ok? See
Schematic
Rx OMAP
FPGA RST
= 1.8V?
TP2029M5
OMAP (U1000M1,
U1001M1) Failure
Replace Controller
Series
Components
ok? See
Schematic
Series
Components
ok? See
Schematic
U1404M1
pin 9 =
3.6V?
MAKO (U1402M1)
Failure
Replace Controller
Check/Replace
U1404M1
U1406M1
pin 5 =
2.2V?
Check/Replace
U1406M1
No
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
Check/Replace
Series Components.
See Schematic
No
No
No
Yes
No
MAKO (U1402M1)
Failure
Replace Controller
No
Yes
Yes
Yes
MAKO
24.576MHz
ok?
R1408M1
No
NoYes
No
Yes
See Note 2, 3
See Note 3
See Note 3
See Note 3

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Motorola MTR3000 Specifications

General IconGeneral
BrandMotorola
ModelMTR3000
CategoryAccessories
LanguageEnglish

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