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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: 40
B & O3119Dead , safety resistor RPl4 open-circuit and theReplace the line output transformer , the TDA4950 EW correction chip IG01 and coil LG02 .14-09-04
B & OMX2000 3119St/by only (dot in display)124v HT present no line drive as RP10 1R2 hi res14-09-04

Blaupunkt311.02Storing vol settingsPress the button "N/E" on remote while volume indication is still showing in the picture, and as soon "Memo N/E" is shown, press button "N/E" for a second time.14-09-04
Bush1433 11AK20Blank screen with 3 lines top lh of screen then shuts down (Anti-theft password set)Enter correct password!14-09-04
Bush1433 11AK20Bright B pic with FB linesQ907 BF423 leaky or equiv in other col14-09-04
Bush1433 11AK20DeadR802 75k 2w o/c or R809 0R47 o/c14-09-04
Bush1433 11AK20Dead - internal fuse intactpower surge blown bridge rects - replace also safety res 2R2 5w14-09-04
Bush1433 11AK20Int dead or reverting to st/byDry joints IC802 reg & IC401 jungle chip (under IF shielding plate)14-09-04
Bush1433 11AK20LH side pic purple, RH side greenIC402 STV2180A faulty14-09-04
Bush1433 11AK20No pic - sound okLoptx arcing with C615 - LOPTx faulty14-09-04
Bush1433 11AK20No pic/sound - HT okD604 BA157 LOPTx sec s/c14-09-04
Bush1433 11AK20St/by onlyNo clock/data between IC502 EEPROM & Micro replace EEPROM pt no ALBA362162402014-09-04
Bush1433 11AK20Watery/rolling pic - may be intC407 47nF 50v vid coupling cap to IC401 pin 13 leaky14-09-04
Bush1433 11AK20D2Dead2R2 5w & 0R33 resistors off chopper trfmr blows at sw on - C814 220pF 1kv in psu pri s/c14-09-04
Bush1433 11AK20M-3Trips at sw onD604 200v rect s/c - fitted RGP15 in lieu14-09-04
Bush1433 11AK20SLED stays green (pic ok)Q803 BC547 st/by sw tr leaky14-09-04
Bush1433 11AK20SPoor video HF responseCheck R931, R932 & R933 150k on crt base14-09-04
Bush1497ITV/3 11AK20SHeight stretched & width in on rh sideHT pot never been soldered14-09-04
Bush2031 11AK19-5Dead with no power ledHT only 60v - dis'd R823 to opto got HT up to 113v but with poor reg - C829 smoothing cap faulty14-09-04
Bush3114Dead HT pulses on & off when mains sw held inIC401 TA8808N 64pin chip was faulty14-09-04
Bush3114ASt/by onlyR502 330k o/c14-09-04
BushTV311Frame - height reduced & foldover.3VT13 , ( BC287 )14-09-04

BushTV311No sound or picture.3R86 ( 150ohm ) O/C.14-09-04
BushWS6673 11AK19P5Dead - check for dry jointsAlso replaced LOPTr which then produced 1" line scan - D622 BY228 leaky & R629 2R7 o/c. There's a mod for psu (11DYC19P) to fit heatsink for diode that burns up14-09-04
BushWS6673 11AK19P5Dead - D823 blown (not shown on cct)When replaced still faulty, IC802 MC44604P chopper chip u/s - also check FET chopper Tr14-09-04
BushWS6673 11AK37Width excessiveC622 12nF 350v s/c14-09-04
GoodmansGTV69W3 11AK19Switching from Nicam to Mono then no soundVL301 on Nicam PCB14-09-04
HitachiC1414R-311deadQ903 ON4584 chopper s/c R951 39k hi res14-09-04
HitachiC2114T-311No control via front controls/sigs disappearFit updated micro kit pt no A52321714-09-04
HitachiC2514Z311Hotel mode - stuck inHold in Vol + & Vol- whilst sw on, when display appears with symbols increase vol to level reqd14-09-04
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