Nexgen Mediatech Inc.
NO
VER. A1
TITLE
Level 1 Service Manual
PAGE
21/30
o
Defect Mode
Failure Analysis
Repair
Testing
AV , SV , CV
No Image
21
Video
Abnormal
( AV , SV ,
CV , TV )
Check PCB
AD/B Change
Check Cable
Cable Change
TV No Image
Check PCB
AD/B Change
Check RF Cable
RF Cable Change
Check TV Module
TV Module Change
Check PCB
AD/B Change
TV No Sound
Check TV Module
TV Module Change
TV No Close
Caption
r V-Chip
(NTSC)
TV No
Teletext
( PAL ,
SECAM )
TEST
Completed
