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Only for training and service purposes

LGE Internal Use Only

8. All Source Audio Trouble Shooting

Make sure yo u can’t hear any audi o

and Device sup port the au di o sig nal

norm ally .

Check Speaker and it s w ire

con nectio n (P500)

And the resistance

Check Sig nal from IC501

L502, L503, L504, L505

Replace IC 500

Check 15V From Po wer board

(P700, Pin#1,2)

And Check Aud io Amp Pow er 12V

(IC501, Pin#2, 3, 34, 35, 40, 41, 44, 45)

Replace P ower Board or Check

L511

Check Sig nal from IC101

(R130, R131, R1021, R1022)

Replace IC 101

Replace co nnector or Speaker

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General

Pixel pitch	0.313 x 0.313 mm
Aspect ratio	16:9
Display diagonal	27 \
Vertical scan range	56 - 75 Hz
Horizontal scan range	30 - 83 kHz
Contrast ratio (dynamic)	20000:1
Contrast ratio (typical)	1000:1
Viewing angle, horizontal	170 °
Display brightness (typical)	400 cd/m²
Audio system	SRS Surround XT, Dolby
Power requirements	90 – 264 Vac, 47 – 63 Hz
TV tuner integrated	Yes
Component video (YPbPr/YCbCr) in	3
Certification	TÜV-Typ, CE, EPA Energy Star, UL, CSA, SEMKO, FCC-B
Product color	Black
Market positioning	-
Compliance industry standards	DDC 2B
LED indicators	Stand-by
Power consumption (standby)	1 W
Power consumption (typical)	100 W
Sustainability certificates	ENERGY STAR