Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
Samsung TV-Vid Combi Model: TVP-3350IS SVC11C
Set stuck in standby modeCheck for failure of Q801 STRS6707
Samsung TV-Vid Combi Model: TVP-3350IS SCV11C
No RF audio - ok on VCR tape playback and via SCART inputHairline cracks in PCB tracks on motherboard directly at the back of the tuner
Goodmans GTV69WZDT
Set deadReplace switch mode i.c IC106 MC44608P40
Goldstar TV PC12A
DeadReplace D401
Sharp 21B
No UHF BandCheck Q212
Philips 2BS
No E-W CorrectionReplace TR7467
Sharp VCA111
Poor pictureFaulty C329 4.7uF
Sony AE2
Sound low & distorted when hotCheck -22v & +22v on plug PL505, if either incorrect check R627 27~ goes high in value
Philips -Vid Combi Model: 21PV688/05/39 Evolution AA
Dead, Mains fuse blastedD6313 1N5062 s/c, also capacitor C2328 470pF, 1Kv s/c
Philips 28PW8504-12 MG2.1E
Tv seems to be working, but there is no pictue, OSD is present.TDA9330 is defective
Hitachi C32W511TN A7
Intermitently goes to standbyCheck R959 as described by Mark C24W511TN and found no problem there, however I discovered that several connections in the area of R959 had fractured. They appear to be components near/attached to a heat sink. Re-soldering the joins did the trick
Hitachi C2846TN
Intermittent partial collapse of picture vertically picture squashes down temporarilySee Field collapse tip - it will happen so anticipate it and correct at you leisure rather than have the TV fail completely in the middle of you favourite show
Hitachi C2846TN / C2546TN
Field collapse horizontal white line on screenR710 dry joints. Same as C2146TN & C2546TN problem solved with thanks to Mike G & Barty. Power off/unplug. Get to circuit board underside with aerial socket up-R710 is near top and right of centre-cluster of 4 joints best resoldered
Schneider STV2802
Procedure to access service modePress RED and BLUE keys simultaneously on remote conrol, within 5 secs press P- and V+ on tv
Panasonic 14B3T Z375
Excessive vertical overscan caused by a poor factory set upEnter service mode and alter V Size:-
Samsung W124W6VN
Picture darkens and lightens continuallyThis was due to a faulty first anode potentiometer, as its part of the l.o.p transformer a new l.o.p.t had to be fitted
Hitachi C2886TN
Procedure to enter the service modePress & hold the menu key the installation line should now appear, with the install menu displayed press both the volume up and down buttons for about 8 seconds until the service option is available then follow the on screen directions
Bush 11AK19
Slightly excessive width and no 4:3 reductionThe BUK444 had shorted but the main fault was L604
Panasonic NVHD660B K DECK
When inserting tape, tape goes in, get a motor whirring noise, and tape ejects again with an "F02" or "F04" error. Closer examination shows that tape seating correctly, but tape not being fed out to the headCause was the motor powering the main mechanical feed/load and eject gear, underside of main front right of central chasis. Small plastic part on motor spindle under gear had split, so slipping. Secured part and gear to spindle with super glue! OK now!
Grundig VS920
No remote control operation or modulator outputUnlock the video with code 4934 + OK. Check if you have the remote control set on video 1. When you have the RP 95 remote you can set the remote to video 1 with code 8527 + OK