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6
Connect AV/S, HDTV signal, check if they are normal.
5.4 VGA connector
Insert VGA signal connector, input format signal 640 x 480@60 Hz VGA, check if the display is
normal. If there is interfere in picture, push the adjustment key on the remote control set one more
time, check if the display is normal.
5.5 PCMCIA channel inspection
Insert PCMCIA card, switch it over to this channel, and check if the display is normal.
5.6 Sound channel inspection
Check if the output of each speaker and earphone channel is normal.
5.7 For factory preset, see table. 1
Table 1 Factory Preset
Trouble shooting
Before servicing please check to find the possible causes of the troubles according to the table below.
1.Antenna:
Picture is out of focus or jumping
Bad status in signal receiving
Maybe broadcast signal itself is not good
Check if the outdoor antenna is disconnected.
Check if the antenna is correctly oriented.
Fringe in picture
Check if the antenna is correctly oriented.
Maybe there is electric wave reflected from hilltop or building.
Picture is interfered by stripe
shaped bright spots
Possibly due to interference from automobile, train, high
voltage transmission line, neon lamp etc.
Maybe there is interference between antenna and power
supply line. Please try to separate them in a longer distance.
There appear streaks or light color
on the screen
Check if interfered by other equipment and if interfered
possibly by the equipment like transmitting antenna, non
professional radio station and cellular phone.
Item Factory
Preset
Item Factory
Preset
Item Factory
Preset
Picture
mode
NATURE OSD
language
Japanese BALANCE 50
Sound
mode
NEWS VGA
color
temperature
9300 BS
POWER
ASSOCIATE
N/R WEAK SPEAKER ON
AV1/DECODER
AV1
SCREEN 16:9
HEAD
PHONE
ON SRS
ON
Summary of Contents for LC-30K9A(W)
Page 1: ...COLOR TELEVISION LC 30K9A W LC 40K9A...
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Page 20: ...18 WIRING DIAGRAM 1 L30K9A W...
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