Akai LCT2660, Service Manual

Page: 15 / 16

14
TROUBLE SHOOTING LIST
ITEM
PROBLEM
REASON
SOLUTION/
CHANGE PART
REMARK
REMOTE
CONTROL
NOT
WORKING
1.Battery no electric.
2.Not scan the channel.
3.I/R-receiver board
damage.
4. A/D board damage.
1. Change new battery.
2. Try to scan the channel .
3. Change the new I/R
receiver board.
4. Change new A/D board.
ʳ
ONLY GET
THE
CHANNEL1~12
1. Change the Air/CATV
mode wrong function
position.
1. Try to set up the
Air/CATV mode function
again.
CAN’T SHOW
ALL CHANNEL
NUMBERS ON
TV FUNCTION.
ʳ
1. Not scan all channels or
you set up something
wrong with channel
memory last time.
˄ˁ
Try to scan the channel
again.
ʳ
PICTURE
NOT
PERFECT
1.TV cable wire quality is
bad or cable connect
not well.
2 The cable signal input is
weak.
1. Change the good quality
cable wire.
2. Increase to set up the
signal cleaner.
VIDEO/
IMAGE
PICTURE IS
ABNORMAL
AND IMAGE
IS BAD
SERIOULY.
ʳ
1. LVDS cable wire not
connect well.
2.A/D board damage.
3.LCD panel damage.
1.Re-connect the cable
wire or change new
one.
2. Change the A/D board.
3. Change the new LCD
panel.