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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: 112
NikkaiBaby 10Hum bar like symbolsC11 0µ47 35v or Q103 2SK30A, tuner or IC10114-09-04
NikkaiBaby 10Hum bar when heatedIC101 TA7680AP in IF sect overheats - fit heat sink also check C111 0µ47 35v, Q103 2SK30A, faulty tuner or IC101 & mains rect diodes for leak14-09-04

NikkaiBaby 10Int cuts out with no st/by ledR402 hi res14-09-04
NikkaiBaby 10Int deaddry joints reg block14-09-04
NikkaiBaby 10Int DeadD410 in line stage Replace with 2 x RGP30 in parrallel14-09-04
NikkaiBaby 10Int shut downLOPTr emitter leg dry joint14-09-04
NikkaiBaby 10Int sw off, field bounce & oversize picIC402 reg chip14-09-04
NikkaiBaby 10LINE O.P. TRANSISTOR OVERHEATING , NO RASTER SOUNDD411 ( FR155 )14-09-04
NikkaiBaby 10Loses chans on chan change when warmMN1220 EEPROM14-09-04
NikkaiBaby 10LOW FIELD IF PCB FLEXED SCAN OPENS UPAN5512 FIELD OP IC US14-09-04
NikkaiBaby 10No colPrint around R357 corroded - resistor o/c14-09-04
NikkaiBaby 10No col when warmreplace ZD302 12v, R370/371 both gone low res. raised 12v rail to 15v14-09-04
NikkaiBaby 10No line driveC308 3n3 o/c14-09-04
NikkaiBaby 10No picFR605 efficiency diode14-09-04
NikkaiBaby 10No pic, sound & OSD OKR425 270k in beam lim cct o/c14-09-04
NikkaiBaby 10No raster & LOPTr overheatsD411 FR155 160v RGB supply leaky14-09-04
NikkaiBaby 10No startup - relay latched.IC401 low output.14-09-04
NikkaiBaby 10No tuning with Q101 cut offreplace R110(4.7 ohm )near line transformer,no 33v 14-09-04
NikkaiBaby 10Overloaded pic & AFC -both intT102 & T104 coils under IF screening dry joints14-09-04
NikkaiBaby 10Oversized picture - frame bounce.Reg IC402.14-09-04
NikkaiBaby 10Pic gradually darkensQ303 2SC1815 or BC18414-09-04
NikkaiBaby 10Shuting down - frame bounce.Reg IC402.14-09-04

NikkaiBaby 10Sound - full vol - unable to reduceIC601 MN1220 EEPROM chip14-09-04
NikkaiBaby 10tuning drift on chan changecheck C103, 104 (0µ22) & C105 (0µ47) - use hi stab tant caps14-09-04
NikkaiBG001DeadR801 1R5 5w o/c14-09-04
NikkaiBG001Field - top foldoverC313 o/c14-09-04
NikkaiBG001Small picHT low at 80v, Q815 o/c14-09-04
NikkaiBG001-NFlyback lines.C312.14-09-04
NikkaiBG001NFrame foldover at top.C313 o/c.14-09-04
NikkaiKS159TDead aft blow up with Q801 BUZ77B blastedR809 0R47 & R805 330k o/c & replace IC801 TDA460514-09-04
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