Toshiba Satellite A660 Series - TV-Tuner Troubleshooting

2 Troubleshooting Procedures
Satellite A660/A665 Series Maintenance Manual
21
2.7 TV-Tuner Failure Troubleshooting
Perform TV Tuner Cable
connection check
(Procedure 1)
START
Does replacement TV
Tuner cable function
properly?
Yes
Replace
TV Tuner
cable
Replace system board
END
Does replacement TV
Tuner Antenna function
properly?
Replace
TV Tuner
Antenna
Does replacement TV
Tuner Module function
properly?
Replace
TV Tuner
Module
Perform TV Tuner Module
connection check
(Procedure 3)
Perform TV Tuner Antenna
connection check
(Procedure 2)
No
DVBT & DMBT
Perform TV Tuner B-CAS
card connection check
(procedure 4)
ISDB-T
No
No
Yes
Yes
Perform B-CAS card slot
check
(Procedure 5 )
Does replacement B-
CAS card function
properly?
Replace
B-CAS
card
Replace
B-CAS
slot
Does replacement B-
CAS card function
properly?
Yes
Yes
No
No
Figure 2-6 TV-out troubleshooting process
To determine if the computer’s TV Tuner port is functioning properly, perform the following
procedures. Figure 2-6 outlines the process. Start with Procedure 1 and continue as instructed.
Procedure 1: TV Tuner cable connection check