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Only for training and service purposes

5-2. In case of does’t display the screen into specific mode

(1) Symptom

1) The screen does not become the display from specific input mode

(RF, AV, Component, RGB, DVI).

(2) Check following

1) Check the all input mode should become normality display

(3) In case of becomes unusual display from RF mode

(4) In the case of becomes unusual display from side S-video/AV mode

(5) In the case of becomes unusual display from Component, RGB mode

Is the Tuner normal?

Is the Tuner Cable connected?

Re-insert the Cable.

Yes

Is the IC100(LGE7383C)

normal?

Replace the Tuner.

Is the Input voltage, IIC Communication

and CVBS output normal?

Yes

Is normal the Input voltage, IIC

Communication?

Block A

Replace the IC.

Is the Video input of the AV

Jack(JK700, 707)normal?

Yes

Check the input source and Cable

Same as Block A

Is theR,G,B input and H,V Sync

of the JK701,703 normal?

Check the input source

Yes

Same as Block A

Questions and Answers:

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LG 50PG3000 Specifications

General

Comb filter	Yes
Pixel pitch	0 mm
Aspect ratio	16:9
Audio system	SRS TruSurround XT
Product color	Black
Response time	0.001 ms
Package weight	50700 g
RMS rated power	20 W
Display diagonal	50 \
Depth (with stand)	364 mm
Display brightness	1500 cd/m²
Display resolution	1366 x 768 pixels
Display technology	Plasma
Power requirements	100-240V, 50/60 Hz
Width (with stand)	1225 mm
HDMI ports quantity	3
Height (with stand)	790 mm
Weight (with stand)	41700 g
SCART ports quantity	2
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
S-Video inputs quantity	1
Contrast ratio (typical)	-
Power consumption (standby)	0.8 W
Power consumption (typical)	420 W