Motus M660BR, Service Manual

Page: 10 / 96

9
to LCD Overlay Bezel
Assembly.
z
replace Power Adapter.
If LED is on,
z
tighten midpoint (LCD Power Supply side)
& endpoint (A/D Board side) connection.
z
or make sure the voltage of end point is
DC 12 volt.
The cable related to LCD
Lamp Inverter is loose in
either side.
Check if the connection is secure.
TV on/off button is wrong or
stuck.
Replace OSD Button Board.
A/D Board is damaged. Replace A/D Board.
LCD Lamp inverter is
damaged.
Replace LCD Lamp inverter.
LCD Back Light is damaged. Replace LCD screen.
left upper corner of LCD screen.
The connector or cable is
bad.
Replace the connector or cable
Channels or Volume does not change
Button to change channels
or volume does not work.
Replace the button, OSD Button Board or harness
related to it.
Air/cable setting is not
correct
Follow the set up procedures in LCD manual.
Faulty headphones Replace headphones
No sound
Faulty headphone jack
assembly or Audio Interface
Board.
Replace Audio Interface Board or headphone jack.