Barracuda PDA Maintenance
123
8.2 LCD No Display Or Display Abnormal
Symptom:
The LCD shows nothing or abnormal picture.
LCD No Display
LCD No Display
Board-level
Troubleshooting
Reset System then Power on.Plug
debug board and re-flash image
again.
System
Display
Ok?
To be continued & checking
System Clock and reset
Check system clock and
reset circuit.
Replace
Motherboard
Display
OK?
1. Replace faulty part.
2. Connect the I/O device to the
M/B one at a time to find out
which part is causing the problem.
Yes
No
Display
OK?
Yes
No
END
Remove all external I/O device
(SD Card,Cradle Device...) from
MB except LCD.
Try another known good LCD
Module & Memory Board.
Check if any cold
solder might cause
this problem.
Yes
No
Содержание Barracuda
Страница 5: ...Barracuda PDA Maintenance 4 Block Diagram ...
Страница 6: ...Barracuda PDA Maintenance 5 Power Block Diagram ...
Страница 18: ...Barracuda PDA Maintenance 17 Typical Audio Amplifier Application Circuit ...
Страница 24: ...Barracuda PDA Maintenance 23 Block diagram of the 10 bit ADC circuit ...
Страница 26: ...Barracuda PDA Maintenance 25 BLOCK DIAGRAM ...
Страница 28: ...Barracuda PDA Maintenance 27 Block Diagram ...
Страница 30: ...Barracuda PDA Maintenance 29 GENERAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ...
Страница 33: ...Barracuda PDA Maintenance 32 ...
Страница 42: ...Barracuda PDA Maintenance 41 ...
Страница 43: ...Barracuda PDA Maintenance 42 ...
Страница 45: ...Barracuda PDA Maintenance 44 FUNCTIONAL BLOCK DIAGRAM ...
Страница 46: ...Barracuda PDA Maintenance 45 1 3 1 2 Strata Flash ROM 1 3 1 2 1 Intel Strata Flash 128M bit Memory Features ...
Страница 47: ...Barracuda PDA Maintenance 46 Strata Flash Memory Block Diagram ...
Страница 54: ...Barracuda PDA Maintenance 53 DS2760 Block Diagram ...
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