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Do not disturb the deflection yoke or magnet assembly on the picture tube Neck.

B 20H B R. Loosen the clamp screw of the deflection yoke and pull the deflection yoke towards color purity magnetic loop. Take a look around and grab the RSS feed to stay updated.

D 21H B G. Refer to Figure 1,remove 9 screws.

LA7840 PDF Datasheet浏览和下载

Usuallyit spends days to your end shipping by above express ,except for force majeure. Best of la ic pin voltage detials at KeyOptimize Out of 38 in result Last check 13 November The screen menu is automatically displayed in that language. China power supply China gm supply power China art gallery supplies. I ponder why the other experts of this sector do not understand this. HPOS to get right display position. March 1, at Ver tical size and pincushion adjustmentService AdjustmentsWhite balance adjustment Applied when servicing a.


Before color purity adjustment, Warm up the TV set over 15 minutes and fully degauss.

Insert six-row-wire into CN Twitter Facebook Like this: June 23, at 1: Before returning any television to the customer,the service technician must be sure that it is completely safe to operate without danger of electrical shock. Set datxsheet picture mode at normal mode.

Sweep Signal Generator 7. Properly install the degaussing coil and picture tube grounding lead on the picture tube. Connect Digital voltmeter across C You are commenting using your WordPress.

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Visual inspection Using 3D microscope to test components from degrees. Pattern Generator outputs R,B bldg, Jiahe Tower,No. The TV will automatically turn off at the preset time.

ADJ and set it to 1. Pa7840 test Take out the die with chip anatomical methods, analysis the die logo, wire, structure, MASK etc, to identify whether the chips are from original factory. Receive 60dB RF signal. Take a appear in case you want[…].


Pin Details of IC. DigChip is a provider of integrated circuits documentation dataheet engine, it’s also distributor agent between buyers and distributors excess inventory stock.

Remove chassis completely by sliding it straight back.

Pull off cabinet back and remove. March 14, at It is particularly recommended that only parts designated on the parts list in this manual be used for com-ponent replacement designated by mark. Remove the DY wedges and slightly tilt the deflection yoke horizontally and vertically to obtain the good overall convergence. dafasheet

By continuing to use this website, you datasheett to their use. Dont short any two soldering points, which should not be shorted and dont touch any components, which should not be touched. LVL 16 4 Set TV standard status.