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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: 917
SonyKVM2131UNo chan storeDry joint pin 5 IC002 EEPROM14-09-04
SonyKVM2141Lum fades out followed by sound47k sm res in base of Q005 2SA1037K or 2SA1162-G hi res - caused by leaky 22µ 50v cap nearby - also R816 150k & R817/818 worth checking14-09-04

SonyKVM2141Sound & contrast fade after timeC012 22µ 50v14-09-04
SonyKVM2141 BE2AScreen graphics only - ok feeding another set from scartdigital transistor Q005 type DTA143TK14-09-04
SonyKVM2151UCol flicker on & offBad joint LOPTx earth14-09-04
SonyKVM2170DeadShould be 135v cath D606; 20v at cath D607; 8.5v at cath D608 - no 8.5v as ICP PS603 1A N25 o/c14-09-04
SonyKVM2541UStuck on 1 chan & no R/C response2 x resistor packages (4 x 10k) on pluggable tuner/IF/proc board ref RA2 & RA3 - resoldering provided cure14-09-04
SonyKVP14UDeadPSU shutting down due to excess current in secondary - C608 680pF prot cap breaking down under load14-09-04
SonyKVS29SN1 G1Black screen - no vert scanDry joints on VC (v pin out) sub-board Q1801 / Q1802/ Q1803/ IC180314-09-04
SonyKVV1430USt/by only - trips when sw onLOP tr S2055N s/c - used BU508DF14-09-04
SonyKVX2121USound has int crackleBridge rect dry joints14-09-04
SonyKVX2132UPic fades out & crackle on sound - other tvs in w/s pick up radiationLOPTx internal arcing14-09-04
SonyKVX2152UNo/Poor startC611 47uf and C614 220uf Caps 14-09-04
SonyKVX2162 etcField o/p faults/led flashing 13 timesAfter chip replacement, if geometry still not right check serv mode14-09-04
SonyKVX2162UShuts down aft 5 minss/c between heater/cathode of crt when heated - can be measured on meter14-09-04
SonyKVX2162USound intDry joints Xtal X1101 on Nicam sub panel14-09-04
SonyKVX2172Only selects chan 3 - when other chan selected reverts to chan 3 aft few secsST24C16 EAROM corrupted - replace chip and set up14-09-04
SonyKVX2172UField top foldoverFOP chip14-09-04
SonyKVX2172UInt cuts outIC72 Sony Part 8759118427.14-09-04
SonyKVX2182UGoes to st/by with rustle of eht & click at sw on LOPTr - 2SC4927 (S/C B/E) & replaced LOPTx - HR7337 (Primary winding shorted).14-09-04
SonyKVX2182U BE3St/by onlyMemory chip IC002 sm on board A pt no 8-759-334-20 is probable cause14-09-04
SonyKVX25121UStuck on chan 11fault cleared when front panel removed/replaced - jamming button?14-09-04

SonyKVX2512UFRAME FOLDOVERREPLACE C531/532 NEAR FRAME O/P IC14-09-04
SonyKVX2521Int bright blank raster, all normal settings at max & no chan storeT807 10mH coil int o/c - must use correct coil SEME order-code TPAR2419 ?5.74 14-09-04
SonyKVX2521Red, green, blue lines appear across top of screen after time - worse on txtC531(680uf / 25v)14-09-04
SonyKVX2521UField lin - streched top, compressed bottomC531 680µ low cap14-09-04
SonyKVX2521UHigh pitched buzz from rh spkrDry joints audio o/p chip14-09-04
SonyKVX2521UInt loss of pic & sound12v supply lost when pcb flexed - Q608 front/centre of pcb dry joints14-09-04
SonyKVX2532UNicam dropoutAdj orange variable cap on Nicam board14-09-04
SonyKVX2552UHum bar effect in background - ok on scartDry joint on reg near front of pcb over plastic support pillar that needs cutting to gain access14-09-04
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