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15. HDMI mode

Is only video

normal?

Is only audio

normal?

Yes

Download EDID data each port.

Check the TMDS line wave.

(R312~E3273)

1. Check the HDMI receiver’s status register. (0x60, offset 0x66)

- If the value is 0xf or 0x8, it is normal.

2. Check the HDCP register. (0x6, offset 0x32)

- Enable bit 6 : HDCP key loaded

- Enable bit 5 : HDCP decryption active

- Enable bit 4 : HDCP authentication attempted

Reset TMDS power down/ on register.

- 0x60, offset 0x3f => 0xff

Check HDMI source.

Change to another source or cable.

Yes

Is the wave

continuous?

Normal video,

Normal audio?

Yes

Replace the IC303.

1. Check TV input mode.

(HDMI 1 port support HDMI and DVI.

So if you input DVI signal and PC audio from

phone jack, You can hear PC audio.)

2. Unplug and plug in the HDMI cable.

(sometimes ESD surge occurred at HDMI port.)

3. Check the HDMI Mute register. (0x68, offset 0x37)

4. Check the Audio-out channel mute register (0x68,

offset 0x32) is appropriately enabled.

Yes

Questions and Answers:

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LG 32LC42 Specifications

General

Comb filter	3D
Display diagonal	32 \
Display brightness	450 cd/m²
Display resolution	1366 x 768 pixels
Display technology	LCD
Native aspect ratio	16:9
Supported video modes	1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Contrast ratio (typical)	5000:1
Display number of colors	16.78 million colors
Display language	D/NL/GB/F/I/ES/DK/N/FIN/RO/SLO/CZ/CRO/PL/HU/SCG/BG/RUS/UA/KWT/EST/LV/LT
Power requirements	100-240V
RMS rated power	20 W
Number of speakers	2
Equalizer bands quantity	5
Tuner type	Analog
Channels quantity	100 channels
RGB ports quantity	1
Power consumption (sleep)	1 W
Power consumption (typical)	150 W
Product color	Black

Weight and Dimensions