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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: 438
SamsungCI6230WNNo R/C operationMicro IC701 had developed internal s/c which made prot line go low- PCA84C840/06214-09-04
SamsungCI6230WNPulsing psu & TrippingC560 2µ2 250v on crt base - also check C590 - remove plug by loptx to crt base to check this fault14-09-04

SamsungCI6230WNTrippingCHECK C560 2.2mfd 250v CRT BASE , REPLACE C590 AS WELL. ( TO CONFIRM - REMOVE CRT BASE CONNECTOR AT PLUG NEAR LOPT )14-09-04
SamsungCI6230WNTrippingC56 2u2 250v , C590 ON TUBE PCB USE 450v TYPES14-09-04
SamsungCI6230WNWon't come out of st/by when coldC806 100µ 25v14-09-04
SamsungCI623CNField collapseTDA8350Q s/c ; R307 10R 1/2w fusible o/c14-09-04
SamsungCI633CNSound but no picPic appeared when A1 advanced - new LOPTx reqd14-09-04
SamsungCI6837ANDead - whistles even in st/byIC603 TDA2616 audio o/p chip internal s/c under load14-09-04
SamsungCI6837ANSET WHINES NO PICTURE OR SOUNDIC603 TDA2616 SC INT.14-09-04
SamsungCI6837ANWhite dots across screen & no sound5 & 12v supplies low due to dry joint 15v link wire to regs14-09-04
SamsungCI6837AN Z685 evenly spaced lines across lower part of pictureIC301 TDA8350Q Field/EW chip14-09-04
SamsungCI683CNTop half of field scan missingTDA8350Q field IC14-09-04
SamsungCI6844NField reduced then collapse - lines at top aft chip replacementTDA8350Q & R307 10R 5w o/c - also check elects in Field cct14-09-04
SamsungCI6844N SCT12BService adjust proc1. Press standby, display, menu, mute, standby, OR Press standby, picture standard, help, sleep, standby OR Press standby>display>menu>mute>power on option bytes : : 1 zoom mode: wide/normal/zoom: 2 audio mode: nicam stereo: 3 one chip: TDA8844 : 4 led option: normal: 5 language: west eng/ger/dut/spa/ita/swe: 6 system: CI : 7 ats option: on: 8 field pol: field pos :: having set the option bytes , press menu key and reset message should appear on the screen. : [the zoom, one chip and field pol bytes are set according to the size and type of crt].14-09-04
SamsungCI7230Pic shifted to left with EW mod dr Tr smokingDry joint anode D405 BYD33 in LOP14-09-04
SamsungCI7230 U88MTPicture shifted to the left. As a result the extreBadly dryjointed connection at the anode of D405 ( BYD33 ) in the line output stage.14-09-04
SamsungCICI6229FRAME COLLAPSEREPLACE C808 IC30114-09-04
SamsungCR5035Dead aft stormSTRS 6707 D404 (15Volts start up for Drive ) TDA 7056 audio chip ( no sound ) TDA8362 Jungle chip no OSD14-09-04
SamsungCW30A75SSt/by only with LED flashingR423 overheats - DZ302 33v zener & IC301 TDA835114-09-04
SamsungCW593St/by only with LED flashing orange & straining psuC814 across D802 & HT supply s/c14-09-04
SamsungCW593CNGDead - blows LOPTrIf R821 next to opto coupler is 133k then ht should be 130 volts. if R821 is 150k then ht should be 155 volts. If still blowing line output transistor then the loptx is the probable cause.14-09-04
SamsungCX-6844NPartial field collapseIC301 TDA8350Q, 2 caps not marked 10µ & 100µ 63v, ceramic 10R 5w resistor across pins 3/5 of above chip14-09-04

SamsungCX-6844NPartial field collapseIC301 TDA8350Q, 2 caps not marked 10µ & 100µ 63v, ceramic 10R 5w resistor across pins 3/5 of above chip14-09-04
SamsungCX6844Nfield - partial collapsereplace TDA8350Q IC301 & 2 caps not marked on pcb 10µ & 100µ 63v & 10R 5w res across pins 3 & 5 of IC30114-09-04
SamsungCX6844Nfield - partial collapsereplace TDA8350Q IC301 & 2 caps not marked on pcb 10µ & 100µ 63v & 10R 5w res across pins 3 & 5 of IC30114-09-04
SamsungLE32A456C2D PSU board: BN44-00214Aot coming out of standby or shutting down. Check solder joints on T0-220 MOSFET QB802 on the power supply board. 11-10-12
SamsungP55loss of 1 colR803/811/818 33k 2w on crt base14-09-04
SamsungP55loss of 1 colR803/811/818 33k 2w on crt base14-09-04
SamsungP58CDead - pri HT onlyC816 2200pf 1kv split, C808 & C813 100µ 16v & C817 100µ 25v low14-09-04
SamsungP58CDead - pri HT onlyC816 2200pf 1kv split, C808 & C813 100µ 16v & C817 100µ 25v low14-09-04
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