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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: 901
HitachiC2166TNSt/by only aft poor start upDry joints IC952 (under plastic rail)14-09-04
HitachiC2166TNTrips off soon after sw onDry joints R719 in trip network, also checks for drys on regs14-09-04

HitachiC21P228Int tripC715 dry joints14-09-04
HitachiC2236WHITE SHADOW LHS SCREENCHECK C715 ( 2.2uF 350V )14-09-04
HitachiC2416TNSound missingMemory IC002 14-09-04
HitachiC24W1TNInt off - esp when tappedDry joints VR950 in PSU14-09-04
HitachiC24W1TNInt reverts to st/byDry joints IC951, Q601 & Q602 reg14-09-04
HitachiC24W1TNSlow to or won't come out of st/byCaused by the micro prog initilisation not getting past auto greyscale sequence due to A1 setting too high - adj A1 as per service instructs14-09-04
HitachiC24W410Int crackle on soundR4005 & 4009 47R in audio o/p cct14-09-04
HitachiC24W410Int cuts out - esp when tappedDry joints VR950 under plastic frame14-09-04
HitachiC24W410SNEHT crackling with HT too highZD950 O/C 10 volt special zener T536207 also replace C601 and C611 220mfd14-09-04
HitachiC24W410SNEHT surge at sw on then reverts to st/byDry joints on IC951 and IC952 (Voltage regulators)14-09-04
HitachiC24W511TNInt reverts to st/byR959 15k was making int contact with the board (production fault)14-09-04
HitachiC24Wxx/28WxxHT setting152v14-09-04
HitachiC2508Int dead & makes screeching sound when it doesMains smoothing cap 150µ 400v low cap14-09-04
HitachiC2508Tuner drift on upper bandsZD101 33v stab14-09-04
HitachiC2508TLong time to come onMains smoothing cap 150µ 400v virtually o/c14-09-04
HitachiC2508TUnstable pic until heatedC922 faulty14-09-04
HitachiC2509TDeadReplace ZD903, Q903, Q781, C906, 908, 913, 908, 905, 720, RV901. R901, 910, 760, 761, 762, 768. ZD903 split in 214-09-04
HitachiC2509T G7PSField - bottom crampC606 680mfd 16v scan coupling cap14-09-04
HitachiC2514TBlank raster - all controls at zeroR068 had never been soldered14-09-04
HitachiC2514TDead - ZD952 P6KE180A zener s/cR951 82k has gone high in value14-09-04

HitachiC2514TInt trips into st/by esp on vcr chanR951 & R953, Both 82k 1w - going high14-09-04
HitachiC2514TNO PICTURE OR SOUND ALL CONTROLS SET TO "0" AND SER086 D/J14-09-04
HitachiC2514Tpsu blownR951 82k .5w could be cause of BUT12AF & ZD952 s/c & opto coupler IC901 faulty14-09-04
HitachiC2514TEDead - no st/by LEDNo 5v rail - check R097 82R & Q003 BC548 - either 1 or other fitted14-09-04
HitachiC2514TESt/by only aft trying to startReplace IC601 TA8427K C604 100UF/63V O/C and 100UF/63V that is soldered directly to the pins (print side) of IC601.This one was high ESR14-09-04
HitachiC2514TEWeak vid/hiss only in AV mode OK in normalQ005/007 2SC3413 rh of scart skt faulty14-09-04
HitachiC2514Z311Hotel mode - stuck inHold in Vol + & Vol- whilst sw on, when display appears with symbols increase vol to level reqd14-09-04
HitachiC2519slow tripTDA3654 field o/p chip s/c14-09-04
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