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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: 114
NEI2151 ( Indiana 10 IndianaBright raster and flyback lines.R73 1 on the CRT base panel was open-circuit , removing the supply to the RGB output stages with this fault you sometimes have14-09-04
NikkaiTara 10Dead, the 11v supply presentDry joints line dr trfmr EM103 (invisible to naked eye)14-09-04

NikkaiTara 10int field collapsedry joints field chip14-09-04
NikkaiTara 10int pic D103 dry joints14-09-04
NikkaiTara 10No start upCheck dry joints on L110 & L111 in LOP stage14-09-04
NikkaiTara 10St/by onlyDry joint L11114-09-04
NikkaiTARA 10WONT STARTCHECK FOR DRIES AT L110 AND LINE DRIVER IF LINE STAGE FAULTY , WILL OFTEN SHUT DOWN POWER SUPPLY14-09-04
NordmendeF9 Chassis (Control board with SAA1121/SAA1130/SAA1020)Snow on screen, all leds lit, stuck on UHF band.Change SAA1121.14-09-04
Perdio2102 Indiana 100No pic - sound okR605 5k6 o/c14-09-04
Philips28PW6305 A10No RedIC7301 U/S TDA88858Q.14-09-04
Philips32PW6005/05 SA10ESt/by onlyResolder SMD TDA8885, it is located on the sub-board next to the tuner.(Runs very hot)14-09-04
Philips32PW6515/05 SA10EHum from front speakerRemove link 9710 & connect link from 9710 (C2702 end) to link 927814-09-04
PhilipsA10Service mode enteringEnter 062596 then "Menu"14-09-04
PhilipsA10 28PW6305Child lock removalpress menu / features / child lock & turn off. If parental control has been activated (locking out certain chans or locking the set) then enter a pin. If not known then enter 0711 TWICE to gain access. You can then change no.or turn funct off.14-09-04
PhilipsA10 28PW6305No R/C - front controls okIR preamp rec, cct ref no.1002 on small sub panel at front of set. SEME part no. 9322 1275 4667 only 750mV P.P. at pin 3 of the panel with painter I.C. on, should have been 3.3V P.P14-09-04
PhilipsA10 28PW6305R/C inopIR Rx pre-amp 1002 on sub panel front of set- part no. 9322 1275 466714-09-04
PhilipsA10 28PW6315/05Int locks up with no R/C responseIC7064 micro (painter) faulty - pin 76 R/C I/P stuck high14-09-04
PhilipsA10 28PW6515/05Reverts to st/by aft several hours until sw off at mains & re-startedIC7064 micro14-09-04
PhilipsA10 32PW6005Sound int or missingPainter chip faulty - Remove mute function by linking E-C of T7701 (BC847B SMD) near the AN5277 on the underside14-09-04
PhilipsA10 32PW6305Vert lines floating behind pic - same on scartBeing generated in TDA9181 comb filter - TDA9181 replaced14-09-04
PhilipsA10 32PW6305/05No sigs but tunes ok - traced to small sigs panelCheck options code against label on crt14-09-04
PhilipsA10 chassisLocks up after a few mins (no chan change etc)Painter chip faulty 14-09-04

PhilipsA10E 28/32PW6005Sound int or absent or sw to Ext1- esp when warmIC7064 micro usually the cause (shuts down aud o/p chip) - phone amp still ok - pt no 3111 250 5451114-09-04
PhilipsA10E 28PW6305Int sound due to muting pin 8 of aud o/p chip IC7702 AN5277 int going lowTraced back to IC7064 sm pin 98 on control board leaky to earth when faulty. To avoid replacing this 100 pin sm chip, s/c e-c of Tr 7701 sm BC847B (under main pcb near AN5277 o/p chip)14-09-04
PhilipsA10E 28PW6305No pic - poor pic lacking contrast when A1 advancedNo volts pin 10 LOPTx (beam lim) - Tr7408 BF423 on main pcb leaky14-09-04
PhilipsA10E 28PW6515/05Random variation of width/height with pic jumpingPainter micro chip faulty14-09-04
PhilipsSA10EAA 28PW6816/05Int changes chan on its own inc AV & also int offMain micro on sub panel with sm comps on it - known as "Painter chip" faulty - costs around 50UKP & needs hot air soldering equip to change - not for the faint hearted!14-09-04
Sharp51DS-02S CA10DeadQ602 (BUH515) & both audio amps IC2300 & 2301 (TDA7480) s/c, also C720 100uF/200V) blown top.14-09-04
Sharp51DS-02S CA10HT high at 200v (112v)Opto IC705 (MOC8106).14-09-04
Sharp51DS02H CA10Sound absentcorrupted EEPROM (8-pin SMD IC104 24C16) due to DJ on LOPTx earthing pin (focus, screen pots).14-09-04
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