Contents of LCD TV Standard Repair Process Detail Technical Manual
No. | Error symptom | Content | Page | Remarks | |
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1 |
| Check LCD back light with naked eye | A1 |
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2 | A. Video error_ No video/Normal | LED driver B+ 24V measuring method | A2 |
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3 | audio | Check White Balance value | A3 |
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4 |
| Power Board voltage measuring method | A4 |
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6 | A. Video error_ No video/Video | TUNER input signal strength checking method | A5 |
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7 | lag/stop | A6 |
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| LCD TV connection diagram | A7 |
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10 | A. Video error_Color error | Check Link Cable (LVDS) reconnection | A8 |
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condition | A9 |
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11 |
| Adjustment Test pattern - ADJ Key | A10 |
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12 |
| LCD TV connection diagram | A8 |
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13 | A. Video error_Vertical/Horizontal bar, | Check Link Cable (LVDS) reconnection | A8 |
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residual image, light spot | condition | A9 |
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14 |
| Adjustment Test pattern - ADJ Key | A10 |
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15 |
| Exchange |
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16 |
| Exchange |
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| <Appendix> |
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17 | Exchange LED driver Board (PSU) | 55” : driver board | |||
Defected Type caused by | |||||
Other : PSU | |||||
| Inverter/ Module |
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18 |
| Exchange Module itself (1) |
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19 |
| Exchange Module itself (2) |
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Copyright © 2012 LG Electronics. Inc. All rights reserved. | LGE Internal Use Only |
Only for training and service purposes |
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