Toshiba Z830 Personal Computer User Manual


 
Troubleshooting Procedures
2-6 PORTEGE Z830 Satellite Z830 Series Maintenance Manual (960-883) [CONFIDENTIAL]
2.1 Troubleshooting
Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. (The “FRU” means the replaceable unit in the field.)
The FRUs covered are:
1. Power su
pp
l
y
8. LAN 15. HDMI
2. S
y
ste
m
Board 9. Wireless LAN +Bluetooth
3. USB FDD 10. Sound
4. mSATA SSD 11. SD Card slot
5. Ke
y
board 12. Fin
g
er
p
rint Senso
r
6. Touch
p
ad 13. Web camerta
7. Dis
p
la
y
14. 3G
The Test Program operations are described in Chapter 3. Detailed replacement procedures are
described in Chapter 4.
NOTE:
1. Before replacing the system board, execute subtest03 “DMI information save”
in 3.3 Setting of the hardware configuration in order to save the DMI
information from system board to floppy disk.
2. After replacing the system board, execute the subtest04 “DMI information
recovery” and subtest08 “System configuration display” in 3.3 Setting of the
hardware configuration in order to copy the DMI information and system
information from the floppy disk.
3. Also update with the latest EC/KBC as described in Appendix H “EC/KBC
Rewrite Procedures”.
4. After replacing the LCD, update with the latest EC/KBC as described in
Appendix H “EC/KBC Rewrite Procedures” to set the SVP parameter.
The implement for the Diagnostics procedures is referred to Chapter 3. Also, following
implements are necessary:
1. Phillips screwdrivers (For replacement procedures)
2. Implements for debugging port check
Toshiba MS-DOS system FD
RS-232C cross cable
Test board with debug port test cable
PC for displaying debug port test result