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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: 159
AiwaVX9142KDeadR516 270k in psu o/c14-09-04
AiwaVXD1420Pin code removalEnter wrong no 3 x, then press Vol- on set & "7" on R/C for 5 secs when "protected" appears14-09-04

AiwaVXG142No raster - OSD OKQ1029 near tuner14-09-04
AiwaVXG142KDead - no st/byR516 270K, IC501 TDA4605-3, Q500 2SK2397-01MR14-09-04
AiwaVXG142KDead - no stbyR516 270k, IC501 TDA4605-3, Q500 2SK239714-09-04
AiwaVXG142KDead with st/by led lit - accepts a tape but no functsICP506 1A CP on tv pcb o/c14-09-04
AiwaVXG142KDead with fast tripping aft power cutC513/C538 1m 160v in psu hi esr14-09-04
AiwaVXG142KNo pic or vcr mechs - osd & sound okReplacing the faulty switching transistor Q511 [2SB926] which supplies the chroma +9V cured both faults. It is situated at the back LHS of the VCR board.14-09-04
AiwaVXG142KNo sigsQ1029 (2SC926) at rear of vcr pcb s/c - used a BD234 14-09-04
AiwaVXT1420kDeadStart up Res R502 1M & R503 820k14-09-04
AiwaVXT1420KSt/by onlyLOPTr leaky14-09-04
AkaiCT2142VNTPoor pic with fbck lines and curious colIC301 pin 12 supply only 7v5 (9v1). R424 (0R68) hi res14-09-04
AstronEC142Dead.BU208A ( BU326A will do ) 22k in series with set-ht pot oc14-09-04
Beko14212Tuning driftsC458 100nF sm near tuner or C460 breaking down (in parallel with C457 - not shown on diag) 0µ47 63v14-09-04
Bush1427TBlue screen with fb lines18k on crt base14-09-04
Bush1427Tbright screen with fb lines check crt cathodes - if low at 100v check R435 0R68 safety res14-09-04
Bush2114/2020Fizzing & squealing & tearing of verts - HT excessiveC818 1µ 50v - C810 HT res cap overheats14-09-04
CrownCRP14/21Dead R599 2k 5w o/cCaused by line dr trfmr CROW602300033051 & replace line dr Tr14-09-04
CrownCTF142 RSLCrown CTF142 TV when powered on displays a white horizontal line in the center of the screen. Upon inspection i discovered that Resistor R625 was fried. However i cannot see the code as it has burnt away. Id be greatfull for any help. Also would i need toreplace vertical ic w/ corresponding passive components like cap./ resistor r625 is fusible resistor like 0.5 ohm.25-06-05
EtronEC142Dead.BU208A ( BU326A will do ) 22k in series with set-ht pot oc14-09-04
Goodmans1420RAll progs slightly mis-tuned & not stopping during search tuneAll that was required was a slight tweak of the hex core in the afc coil14-09-04
Goodmans1425RSDead with slight tickingIC901 TDA6106Q on crt base (runs warm)14-09-04

Goodmans1425RSLines at bottom from coldC308 470µ 25v14-09-04
GOODMANS1425RSLINES ON BOTTOM OF SCREEN WHEN COLDREPLACE C308 470MFD25V14-09-04
Goodmans1425RSNo pic or screen volts - sound okC911 on crt base leaky14-09-04
Goodmans1425RSNO PICTURE SOUND OKREPLACE C911 ON CRT BASE14-09-04
Goodmans1428RTLine speed offDue to wrong spec TDA8362 use one with 3Y prefix (not 5Y)14-09-04
Goodmans1428TLINE SPEED OFFCHANGE TDA8362 TO A TDA8362A14-09-04
Goodmans1428T/2028TNo col, IC701 pin 26 0v, pin 33 low - no burstC503 4n7 leaky14-09-04
GoodmansTVC141/142Vol locked in mid posnEEPROM 24C08P14-09-04
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