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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: 626
Bush2866NTXDead with ticking soundBY228 diode in E/W mod s/c & Q579 BD237 on subpanel next to LOPTx14-09-04
Bush2866NTXE/W faulty - R711 burnt out or overheatingR711 3R3 o/c, TDA8145 & L671 10mH s/c14-09-04

Bush2866NTXInt goes off aft 20 minsLine dr trfmr int o/c - CHS Code ALB778 (same as Matsui 2196)14-09-04
Bush2866NTXInt sound & sw offDry joints pins of connector on sound dec panel14-09-04
Bush2866NTXNo E-W correction after blow upE/W ic & 4R7 safety res14-09-04
Bush2866NTXNo pic - sound okC620 470nF o/c14-09-04
Bush2866NTXNo sigs or tuning supplyR124 15k 1w o/c14-09-04
Bush2866NTXNo sound/pic - noise & OSD onlyNo tuning volts - R124 15k o/c (Front of main pcb)14-09-04
Bush2866NTXNo sound/piv - HT correct but EHT only 8kvC620 0µ47 250v tuning cap in LOP stage o/c14-09-04
Bush2866NTXNo tuning voltsR129 15k 2w back of psu o/c feed to D11414-09-04
Bush2866NTXPic jumps int/no or out of sync txtNo clock - SDA5243-5 EQ5243 &/or SAA5231 on txt/nicam pcb14-09-04
Bush2866NTXResonating noiseChopper trfmr14-09-04
Bush2866NTXSound absent5v supply to NICAM board low at 3v. Q581 BC537 faulty tho checked ok - used BC639 in lieu14-09-04
Bush2866NTXSt/by onlyReplace the micro type CTV352/V1.4 (Amstrad pt no AM045101070211 )14-09-04
Bush2866NTXTrippingLop tr s/c BUH515D - used S2055 also e-w mod diode - caused by dry joints hi volts tuning cap under pcb (under sticky pad)14-09-04
Bush2866NTX SM2Txt missingShort pin 20 of IC301 the micro to earth then switch on. Service menu should appear Service- Telra V2.0; OP byte 1 OX OB; OP byte2 OX BO Init EEPROM. Use P+/P- tp select the line to adjust and V+/V- to adjust.Bytes 1 and two must be as shown above. To initialise the EEprom select the line and press V+/V- Correct handset reqd.14-09-04
Bush2866NTX/SM2Blank white raster - sound okJungle chip TDA8363AN314-09-04
Bush2866NTX/SM2Line tearing when heatedC597 (22nF 400V) completely open circuit.14-09-04
Bush2866NTX/SM2To access tuning modepress and hold [MENU] button for at least 5 sec. Then press and hold the white button for at least 5 sec to auto tune all the channels. Then use the green button to re-arrange the stored channels.14-09-04
Bush2866NTX/SM2Won't store or loses chan storeThis was cured by replacing memory 24C0814-09-04
Bush2867NTXField collapse & no soundNo LT supply to jungle chip as R818 22k 2w o/c14-09-04
Bush2867NTXField collapse with fb lines on top halfDry joints at R818 (22kohm, 2W), R81014-09-04

Bush2867NTXInstall menu & chan 1 posn lockedReqs password - if the password is forgotten then use 734. This will allow you to unlock the channels. To open the install menu however you must unlock "all" the locked channels. If you find that you cannot enter the tuning menu one or more of the 100 channels is locked, so search through them all and make sure they are all unlocked.14-09-04
Bush2867NTXLocking codes faultyEEPROM faulty14-09-04
Bush2867NTXno soundcheck TDA1521A o/p chip & R811 4R7 also replace C365/366 1000µ. C374 470nf leaky in this case14-09-04
Bush2867NTX (11AK12)Dead - chopper tfmr failureReplace T2.5A fuse, BUZ90 (used 2SK1643), R801 2R2 5W cement resistor, plus a 0.5R 1W metal oxide had gone o/cThe chopper transformer is obtained from CPC under part number AB4040905110 for ?5.08 + VAT and comes with a small mod kit (details below) . Transformer was a Teleson , now made by Eldor. R812 - change to 47R metal oxide, C809 - change to 220nF 63V MKT14-09-04
Bush2867NTX 11AK12Dead with 150v present at LOPTr collNo line dr - 12v supply low as D812 BYV27 leaky14-09-04
Bush2867NTX 11AK12Dead with chopper trfmr s/cReplacement trfmr comes as a kit pt no 30004541- also replace R812 47R 1w metal oxide & C809 220nF 63v14-09-04
Bush2867NTX 11AK12Fluttery pic on certain scenes (after sm Tx replaced)C608 10µ 350v14-09-04
Bush2867NTX 11AK19Int off with smell of burningdry joints chopper trfmr14-09-04
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