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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 20
DeccaD SeriesAll red.R012 100k on CRT base.14-09-04
DeccaD SeriesBright Green RasterGreen cathode volts low - Tr931 BC547 o/c & R932 100k hi res14-09-04

DeccaD Seriesfield collapseR504 3M3 faulty - feeds ramp to pin 42 IC503 TDA836214-09-04
DeccaD SeriesLack of heightCheck 33v supply IC001 TAA550 & feed res R015/6 6k8 & R504 3M314-09-04
DeccaD SeriesLine foldover with crt heaters dimmingR427 line feed res high res14-09-04
DeccaD SeriesNo Field ScanIf IC401 & R414 are OK check R504 3M3 ohm14-09-04
DeccaD SeriesNoisy Power Supply in Stand ByChange C806 to 2.2uF 50V14-09-04
DeccaD SeriesTuning procpress 'filled square' button, press '4', search up with '4', down with '4&3'. Press '5' to store chan, press'6' to exit set up14-09-04
DeccaD SeriesImprovement of AFC Pull in time and Inter-channel MuteChange R001 to 18K & R003 to 27K14-09-04
SanyoCBP2876 ED seriesDead - LOPTr s/cdry joints on the Q600 a TIP111 Darlington device, C606 2.2mfd 50 volts C605 located next to TIP111 which was leaking electrolyte, T600 the line driver TX which was short circuit to all legs having cooked up and R600 10 safety resistor which feeds the line drive stage from the 28 volts rail coming from the PSU.14-09-04
TatungD seriesChild lock releaseopen menu - press and hold button one until red VERTICAL key in top right corner of screen disappears. to set lock do same.14-09-04
TatungD SeriesField - virtually no scanR016 6k8 feed to 33v zener o/c14-09-04
TatungD SeriesField collapseTDA8366 Jungle chip14-09-04
TatungD SeriesNo raster for 1st 20 mins - pic ok when heatedIC503 (TDA8360)14-09-04
TatungD SeriesSt/by onlyR427 22R hi res14-09-04
TatungD seriesTuning lock releaseopen menu, open tuning menu, open tuning store menu, press and hold button one until red. HORIZONTAL key disappears - to set lock do same14-09-04
TatungD seriesVol lock releasepress volume up or down on tv while display is showing press -/-- button on r/c14-09-04
TatungD seriesVol won't adjust above low level (Hotel mode)press Vol + at TV and press -/-- on remote while OSS shows14-09-04
TatungD Series T21TD50No GreenR932 100k on crt base o/c - could happen to other cols (R922 & R912)14-09-04
TatungD Series T21TD61St/by onlycorrupted EEPROM due to arcing on scan coil connector. To reset EEPROM, s/c 2 contacts PL701 (RH side Micro IC702) & press P+ on front panel, LED should blink once. Remove s/c & press P+ button again, the set should come on.14-09-04
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