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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: 16
AkaiCT-T21N32SI have an Akai CT-T21N32S which will not fire up, the red LED is illuminated on the front but nothing else happens, I have tested dozens of components but to no avail, the block diagram in the service manual I have is unreadable which is quite upsetting acure: replace eeprom IC602 ref 23-06-05
ContecKTN3732Dist sound/low volR125 36k o/c by af o/p tfmr14-09-04

FergusonICC19 Thomson 32WS83KPstarts up then trips and shuts downIB01 TEA5101B on CRT14-09-04
HitachiC25WITN311Int starts with brill increasing & fback lines showing then line collapsedry jointed C703, by line transistor. Resoldered IC951 and 952 14-09-04
HitachiC28W1TN-311DeadR950 68k o/c, Q954 s/c, BU2508AF LOPTr s/c - psu will work for checking if loaded with 2k2 10w14-09-04
HitachiC28WITN311Sw off straight after sw onR807 & Q816 on CRT base faulty but replacements did not cure - clean pins IC400 TDA9875A did14-09-04
HitachiC32W510SN-311Dead with st/by led pulsingIC4000 TDA7263M Audio o/p chip s/c14-09-04
HitachiC32WF810N-311Tuner drift effectIC1200 TDA9320H sm chip faulty & upsetting tuners AGC14-09-04
JVCXV-N312SI have a JVC DVD Player model XV-N312S and is stucked in Standby mode (Red LED On). Is Imposible to turn it on from the front panel nor from the remote, all the power supply voltages are Ok. You must meter output lines of power supply unit and check that their values being true (as standby voltages ) and check the rear of board for any cold solder and crack of board or solder22-08-05
NaikoN3211 PT92Dead - blows LOPTrDJ on coil LD01 - joint covered in glue so not easy to see14-09-04
NationalCN361No hor holdR506 1k o/c14-09-04
Philips14CN3001/05Int low contrastCheck preset res (chan scan) isn't shorting to crt aquadag14-09-04
SamsungCI593CN3X S51ANo sound/pic - snowy pic/sound available thro' scart o/pIC902 24W16 EEPROM faulty. Samsung's replacement 24C16 is set on CK tuning system & needs resetting to CI (UK version) Enter serv mode/reset mode to do this or no sound will be present14-09-04
SamsungCI593CN3X S51AService mode accessPress St/by, display, menu, mute & power on in sequence, then go to st/by to leave serv mode14-09-04
SanyoC28WN3Shuts down aft 20 mins with LED flashing 3 times. Will restert if sw of/on again but for progressively less timepress the MEMORY button on the front panel whilst powering the set up, it over-rides the protection circuit. R810 0R33 in psu pri was o/c but main cause was C659 220µ (sometimes 330µ) 250v in B1 supply o/c14-09-04
SanyoCE21DN3BDead with led flashingR624 120k o/c also check R620 120k14-09-04
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