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

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Image 24
LG Electronics 37LC50DC, 206-4071P manual Troubleshooting Flow Chart, Controller Quick Check