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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: 57
AiwaCXZR800KAt sw on relay clicks "DEMO" displayed then dead - keeps repeatingCheck 2 x 2SK2723 FETs on sound o/p heatsink14-09-04
AlbaCTV4800No soundQ201 2SC2703 faulty, TDA1904 audio chip faulty14-09-04

B & OLX2800Blank raster & no sound - OSD OKC18 on decoder board dry joint14-09-04
B & OLX2800 37XXSync - poor sync.26IC5 ( TDA1940 )14-09-04
GoodmansSD1800CHILDLOCKPRESS "STANDBY" AND "SYSTEM" TOGETHER14-09-04
GrundigCUC2800Arcing from LOPTx former to adjacent componentsTripler faulty14-09-04
GrundigCUC2800Dead - psu working okRelay contacts14-09-04
GrundigCUC2800No soundCheck TDA6200 sound proc & U2829B sound dem chip14-09-04
GrundigCUC2800Sound from one chan only & no brill adjMicro SDA2011-A005 faulty14-09-04
GrundigCUC2800Sound low & distU2829B IC sound chip14-09-04
GrundigCUC2800The tripler had failed. After replacing it the setMicrocontroller chip type SDA2011 -AOO5 . Make sure that you get the right one for the set.14-09-04
GrundigCUC3800Dark on left, bright on RH sideC2582 1µ faulty - lum signal decoupler to pin 15 TDA3505 chip 14-09-04
GrundigCUC3800EW fault aft tripler replacementR571 4R7 & IC555 E/W chip14-09-04
GrundigCUC3800Int switches to SECAM .C507 100uF 25v. Connects to pin 2 TDA8140 line drive IC.14-09-04
GrundigCUC3800No soundIC2210 U2829B - fit same type as replacement14-09-04
GrundigCUC3800No sound - just hissIC2110 U2829B sound IF demod chip on sound IF stereo board14-09-04
GrundigCUC3800No sound - multistandard TV on wrong settingOn front panel press"N", select 0,1,2,3 or 4 with P+/- buttons. Each no. refers to a different std. Press "M" to store14-09-04
GrundigCUC3800PICTURE DARK ON LEFT HAND SIDE BRIGHT ON RH SIDEC2582 1uF ON PIN 15 TDA3505 DRIED UP AND OC14-09-04
ITTCMR800 CMR800Weak / distorted sound.C228 ( 100uf , 16v ) in CMR IF.14-09-04
ITTCMR800/3 CMR800/3No Sound.Check pin 11/12/9 for 11.5v. If missing IC202 TDA1035T.14-09-04
ITTCMR800/3 CMR800/3Weak Field sync.If ok on weak signal Change C209 ( 100uF )14-09-04
ITTCVC800DeadHT almost 300v on LOP Tr coll - BU126 chopper tr leaky e-c14-09-04

ITTCVC800Dead.C757 o/c low 110v rail.14-09-04
ITTCVC800No field sync100µ cap next to SAWF in CMR80014-09-04
ITTCVC800Snowy pic1st RF Amp BF960 in CMR800 faulty14-09-04
ITTCVC800Startup - Intermittent start up.C757 ( 10u F )14-09-04
ITTCVC800Startup - will not start from cold.R744 ( 100k ) .14-09-04
ITTCVC800Startup - will not start from cold.R731 ( 820k ) high.14-09-04
LoeweMS56 C8001Stuck in standby.R534 ( 3.3R ) o/c , T534 , C534 ( 47uf )14-09-04
Loewe OptaC8000WHISTLES + HIGH HTC63814-09-04
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