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Related Manuals for Hyundai H-LCD702
Summary of Contents for Hyundai H-LCD702
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Page 1: Service Manual
HYUNDAI Electronics Service Support Team Service Manual H-LCD702 rev. 1.01 2006-09-20 Include:... - Page 2 T701 maintenances manual Overview: T701 is TFT LCD color TV , with high brightness, high contrastness , clear picture effect . It supports 8 languages OSD menu, humanized menu interface more convenient for customer to operate. T701 adopts the stable solution from SANYON with stable in electric circuit. The main chip is LA76818 LC863232B 53K7CPU ,in which the former completes the simple signal processing of the whole television, the latter carries out various control functions.
- Page 3 No power No power no opening check whether the power consumption of the adapter is broken adapter is 12V Less than 5V fuse F501 is broken D500 and C501 whether cathode has is abnormal been supplied 12V Q501 drain electrode Outer electrocircuit of Q503,&Q502 ,CPU more than...
- Page 4 No picture No picture check all the power supplier ,CPU, decoding clock electrocircuit, whether display a blue replacement electrocircuit screem and normal menu check AV picture good or not Both of Video process and the decoding electrocircuit It means that the we should check more in video process work well , should pay more attention to the high and and the decoding electrocircuit to the sub-circuit ofIC301, intermediate frequency electrocircuit of picture...
- Page 5 No sound No sound The jack of earphone and speaker are broken take earphone to test the sound R105 C104 have 10V voltage mangling Feet6 of IC101 to test IC101 Feet5 by C105 and C106 out of oscillograph to assure performance IC101andC108 out of performance...
- Page 6 Four, The other faulty No color: There are two main reasons that cause to no color: firstly, the signal is too weak that the automatic color controls electric circuit and then close color degree passage; Secondly, vice carrier wave creates electric circuit and decoding electric circuit. If it is caused by the first reason, there will be obvious snowflakes on the general pictures, for which we need to check first the tuner and intermediate frequency circuit components, at the same...
- Page 7 Attention: Maintaining should be carried on by the experienced and professional technical personnel, strictly forbidden to be dismantled personally, otherwise it will result in larger damages to your machine possibly.