Manual LG 42LB1R (page 84 of 87) (English)

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APPENDIX

TROUBLESHOOTING CHECKLIST

■

Press the

VVOOLL ++//--

button.

■

Sound muted? Press

MMUUTTEE

button.

■

Try another channel. The problem may be with the broadcast.

■

Are the audio cables installed properly?

■

Adjust Balance in menu option.

■

A change in ambient humidity or temperature may result in an unusual noise

when the product is turned on or off and does not indicate a fault with the

product.

PPiiccttuurree OOKK &&

NNoo ssoouunndd

UUnnuussuuaall ssoouunndd ffrroomm

iinnssiiddee tthhee pprroodduucctt

NNoo oouuttppuutt ffrroomm oonnee

ooff tthhee ssppeeaakkeerrss

TThheerree iiss aa pprroobblleemm iinn PPCC mmooddee.. ((OOnnllyy PPCC mmooddee aapppplliieedd))

■

Adjust resolution, horizontal frequency, or vertical frequency.

■

Check the input source.

■

Work the Auto configure or adjust clock, phase, or H/V position.

■

Check the signal cable.

■

Reinstall the PC video card.

TThhee ssiiggnnaall iiss oouutt ooff

rraannggee..

SSccrreeeenn ccoolloouurr iiss

uunnssttaabbllee oorr ssiinnggllee

ccoolloouurr

VVeerrttiiccaall bbaarr oorr

ssttrriippee oonn bbaacckk--

ggrroouunndd && HHoorriizzoonnttaall

NNooiissee && IInnccoorrrreecctt

ppoossiittiioonn

TThhee aauuddiioo ffuunnccttiioonn ddooeess nnoott wwoorrkk..

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LG 42LB1R Manual

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