1-14 (No.YA436)
No sound
Remote Control doesn't Work
Picture is displayed. But no sound
Speakers
YES
YES
YES
Check I/O input circuit
Check if the I/P signals
applied to I033 audio
processor
NO
Are there signals on the
speaker terminals?
PCB-Speaker Connector
NO
Connect the wires properly
Take off the
back cover and check if
wires of the speakers terminals have
been well connected to the
PCB-Main and Speakers?
NO
Remote controller doesn't work
Check if batteries are
placed correctly?
Check if the wire of
PCB-IR has been well
connected to the
PCB-Main?
Change the PCB-IR then
check if it works.
Try if another Remote
Controller works?
Test
again
Change PCB-Main then
connect all wires properly.
NO
YES
NO
YES
NO
Take off the back cover.
YES
YES
NO
Replace the Remote Controller.
Put new batteries to
the remote control
Connect the wire properly.
