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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: 315



SanyoE4 - B21No control from front panel or R/CIC701 5v supply & osc checked ok; pin 22 being held low by leaky D743 6v2 zener14-09-2004
SanyoE4-A21Reverts to st/by aft 5 secs - if on/off sw held in, steps thro chans with good picPin 15 IC701 micro held low due to Q341 2SC536 (ht sensing) leaky14-09-2004
SanyoEB1St/by only aft brief EHT rustleNo 5 or 12v supplies due to st/by command pin 7 µ; when dis'd pic came up with field coll. Replacing fop chip no diff - DPU2553 chip u/s14-09-2004
SanyoEB1st/by only after brief EHT crackle5 & 12v regs being turned off by pin 7 of µ. When lifted line stage works with field coll. No frame pulses from DPU2553 µprocessor - chip u/s14-09-2004
SanyoEB2 CB5959stuck in stbyC442 s/c14-09-2004
SanyoEB2A CB5949Int trips at sw on - other times okDry joint black jumper wire from chopper trfmr to IC351 vicinity14-09-2004
SanyoEB4Dead - no HTcheck R620/R621 both 120k14-09-2004
SanyoEB4-A25Pic flashes & Txt appears on its own aft 20 minsSAA5296ZP micro - CHS ?31 with suffix 036 not 02514-09-2004
SanyoEB6 A28Service mode enteringpress green txt on R/C + hold chan- button on front of tv then in normal mode press prog- button on R/C until field coll. Th n adjust with 1=+,2=- keys red; 4+=.5+- key green;7=+.8+- key blue14-09-2004
SanyoEB6-A28 CE28WN4-B-01Service mode accessPush green fastext key while pushing prog down key on front of set. To adjust geometry make sure pic size is set to "Full" before starting, select "Wide" under options & select parameter using prog + & - adj with vol + & - and switch off to store. Mod kit available from SEME for this fault14-09-2004
SanyoEC1-BShut down aft 3 secsPlug for R/C sensor had not been fitted14-09-2004
SanyoEC2 CB1443colours wrong or in wrong order (red is yellow,green is red, blue is green)IC270 TDA466214-09-2004
SanyoEC3 CB5153deadQ432 2SD1651 s/c14-09-2004
SanyoEC3 CB5156drifts off tunereplace C105 1uF 50V near tuner14-09-2004
SanyoEC3 CB5156when switched on from stby, the set immediately reverts back to stbyin protection mode (pin 31 IC701 below 5V) due to R327 390k o/c14-09-2004
SanyoEC3A25 CB5956Dead with LED flashing dimlyHT at 57v, dry joint on black wire to side of chopper Trfmr14-09-2004
SanyoED-1No pic sound okVCU2136 IC501 on digital board14-09-2004
SanyoED-1off with faint st/by ledQ304 2SC536 error amp in psu u/s also check 5v reg14-09-2004
SanyoED-1trips twice then offTDA1521 audio o/p chip IC390 leaky14-09-2004
SanyoED0No pic due to field collapseTDA8170 field chip blasted, R715 N25 cp o/c due to C703 100µ 50v 14-09-2004
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