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LG Electronics 11. In the case of an unusual display in component 1 mode., 12. In the case of an unusual display in component 2 mode., 13. In the case of an unusual display in RGB mode.

Models: 32LC41/4R 32LC41/4R-ZA 32LC42 32LC42-ZC 32LC43 32LC43-ZA/ZE 32LC43-ZB 32LC44

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11. In the case of an unusual display in component 1 mode.

Is the video

input of the A/V jack

normal? (Check R248,

R249,R250)

Yes

Change the IC(IC500)

Check the input source.

12. In the case of an unusual display in component 2 mode.

Yes

Change the IC(IC500)

Check the input source.

Is the video

input of the A/V Jk202

normal? (Check R241,

R242, R243)

13. In the case of an unusual display in RGB mode.

Yes

Change the IC(IC500)

Check the input source.

Is the

R, G, B input

and H, V sync of the JK201

normal?(Check R220, R221,

R253, R254,

R255)

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Contents

Main LCD TV SERVICE MANUAL CONTENTS SAFETY PRECAUTIONS General Guidance AC Volt-meter Before returning the receiver to the customer, Leakage Current Cold Check(Antenna Cold Check) SERVICING PRECAUTIONS Page 1. Application range This specification is applied to LP78A chassis. 2. Requirement for Test 3. Test method SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement . 4. General Specification(LCD Module) 5. Model Specification(EU) 6. Component Video Input (Y, PB, PR) 7. RGB Input (Analog PC) 8. HDMI input (DTV) ADJUSTMENT INSTRUCTION 1. Application Range 2. Specification 3. Adjustment items 3.1. PCB assembly adjustment items 4.2. S/W program download (2) Download method 2 (AV Plate Assy) (3) Download method 3 (SET) 4.3. Channel memory download 4.4. Tool Option Area Option Change 4.5. Color carrier Adjustment (Inspection process) 5. EDID /DDC(Display Data Channel) download 5.1. Sequence of Adjustment 6. Adjustment of White Balance 6.1. Required Equipment 6.2. Connecting diagram of equipment for measuring 6.3. Adjustment of White Balance 6.4. Input the Shipping Option Data 7. Default Value in Adjustment mode 7.1. White Balance 9. Sound spec. 8. Internal press test TROUBLESHOOTING 1. No power (1) Symptom (2) Press check 2. Protect mode (1) Symptom (2) Follow check 3. No Raster (1) Symptom A 4. In the case an unusual display in RF mode. (2) Follow check 5. In the case of an unusual display in rear AV mode. 6. In the case of an unusual display in Side AV mode. 7. In the case of an unusual display in Side S-Video mode. 8. In the case of an unusual display in SCART 1 mode. 9. In the case of an unusual display in SCART 1_RGB mode. 10. In the case of an unusual display in SCART 2 mode. 11. In the case of an unusual display in component 1 mode. 12. In the case of an unusual display in component 2 mode. 13. In the case of an unusual display in RGB mode. 14. No Sound (1) Symptom (2) Follow check 15. HDMI mode Page EXPLODED VIEW