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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: 21
GoodmansTVC146TWS Pan TX14GV1Dead - relay slowly clickingstandby I.C. I807 a TOP210PFI and C840 47mfd14-09-04
PanasonicTX143T Z375 ChassisTripping - st/by led flashingLOPTx14-09-04

PanasonicTX14B3T Z375 chassisField collapse noticed when A1s advancedIC301 TDA8456 - also do following mod - change C309 to 22µ 100v, add 0µ01 across R310 & fit 2R2 1w in place of jumper R42014-09-04
PanasonicTX14B4TNo signals found when tuningEarom replacement IC702 24C14 & mod kit fitted14-09-04
PanasonicTX14GV1Dead with mains relay clicking continuously.Replace 47uF 25V (C840) in standby supply circuit.14-09-04
PanasonicTX14GV1No pic - int comes on with bang - sound okInvisible crack in print at LOPTr coll14-09-04
PanasonicTX14GV1text lines on the topEAROM IC703 FAULTY, PART NO. AT24C0810PC14-09-04
PanasonicTX14GV1 Daewoo CP421Relay clicking No sound or visionCheck C840 47mfd and I807 TOP210PFI 14-09-04
PanasonicTX14GV1 Z421VInt reverts to st/byReplace TOP210PFI standby control chip (I807) and I.R. Receiver module (IQ0114-09-04
PanasonicTX14GV1LLocking upThe official remedy for this fault from Panasonic is to replace both the main microprocessor (I701) and the EAROM (I703). The new part numbers for these are:- I701 MS5457CU1, I703 X24C-14GV114-09-04
PanasonicTX14JT1BBC1 lost on chan 1 but would retain it on another chanEEPROM IC1205 pt no X24S11-1MAZ14-09-04
PANASONICTX14S2TLACK OF HEIGHT WITH FOLDOVERREPLACE R521 8.2 OHM14-09-04
PanasonicTX14S3TDead - if replacing STR chopper chipEnsure replacement has "A" suffix14-09-04
PanasonicZ185 TX14B4T Daewoo CP185Blank raster - OSG OKReplace EAROM IC702 & C832; C863 in power supply; kit TZS9EK021(3 pence from SEME!)14-09-04
PanasonicZ185 TX14BTTuning absentReplace eeprom 24C16 with new reprogrammed chip14-09-04
PanasonicZ5 TX14S2Tlack of height with top foldoverR521 8.2R 2W GONE HIGH (LOPTX PIN 8) PART NO. ERQ2GJP8R214-09-04
PanasonicZ5 TX14S3TService mode accessselect ch60 "AND set sharpness to minimum." Press off timer on remote as well as V down on TV. Use V up & down to step through functions. Press +/- to alter values. Press STORE button after each adjustment is made to exit press norm button.14-09-04
PanasonicZ7 TX14S3blank raster, sound OKR560 300K O/C14-09-04
PanasonicZ7 TX14S3dead, stby LED is low5V STBY RAIL ONLY 2V, D1202 O/C (1N4150T77)14-09-04
PanasonicZ7 TX14S3distorted pic and sound, appears to have no syncEPROM IC1205 (XL24D02PAA1)14-09-04
PanasonicZ7 TX14S3TWont find chans in chan search, those already tuned in are off tune & dist. Tall, flat & greyscale off in AV modeeeprom Part number XL24CO20-AA cured the faults. Caused by dry joint on LOPTx earth tag corrupting EEPROM. Go into"self check" mode. Done by pressing Status button on the remote & V down on set. Shows OPT O2 on screen.Can't store PP until done14-09-04
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