LG Electronics 37LC50DC, 206-4071P manual Troubleshooting Flow Chart, Controller Quick Check

Troubleshooting Flow Chart

Controller

Quick

Check

Is		Is
'STATUS'
	No	TV	No
LED on
		Connected to
Analog Board		AC Power
Blinking		?
?
Yes		Yes
		Bad
		TV

Plug into AC Power Outlet

Press 'POWER' or 'ON/OFF' key on TV

Did	No
TV Turn
	1. Bad TV
On
?
Yes

Press 'POWER' or 'ON/OFF' or 'VOLUME UP/DOWN' or

Is	No
Red LED
	1.	Bad Analog Board.
on TV
	2.	Bad Digital Board.
Lit

?

Yes

Cycle the power by removing and re-connecting the AC power cord. Observe the 'POWER' LED and TV screen as soon as AC power is re-applied.

'MUTE' key on Installer Remote

Did	No
TV
Respond	1. Bad TV
	2. Go to Remote
?
	Control Checklist page 5
Yes

Press 'POWER' or 'ON/OFF' or 'VOLUME UP/DOWN'

Did

Analog

Board 'POWER' No

LED Turn On

Momentarily

?

Yes
Did TV	No
Turn On
Momentarily
?
Yes

Bad

TV

Check to see if TV

is in Commercial Mode. See Commercial Mode Check chart.

or 'MUTE' key on User-Supplied Remote

Did	No
TV
	1.	Bad PPV Card
Respond
	2.	Go to Remote
?
		Control Checklist page 5

Yes

End

P A G E 2 4 206-4071