mitsubishi Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
MitsubishiCT29B2STX
TrippingR916 22k
MitsubishiCT29B2STX
Red flaringD655 (1N4148) on the CRT base panel leaky.
MitsubishiCT29B2STX
No N-S correctionQ4009 2SA950Y on PCC board o/c.
MitsubishiCT29B2STX
NICAM has intermit crackledry joints in IF can
MitsubishiCT29B2STX
N/S dist & won't adjQ4009 2SA950 o/c
MitsubishiCT29B2STX
GOES TO SECAM WHEN PLAYING VCRNFF-SELECT PAL FOR ALL VCR PROGS
MitsubishiCT29B2STX
Flaring pic modRemove R606,607,608. - change R609 to 56ohms
MitsubishiCT29B2STX
E/W FAULTY ADJUSTMENTS ON PCC BOARD DON,T WORKREPLACE Q4009
MitsubishiCT29B2STX
Dead - Q901 s/c.Fit mod kit ( wVe 77901 ) R901 , D908 , Q901 , C908 to 2700pf , C966.
MITSUBISHICT29B2STX
CUTS OUT WHEN COLDREPLACE C906 47MFD50V
MitsubishiCT29AV1DP
INT SOUND MUTE WHEN COMING OFF STANDBYREMOVE C368
MITSUBISHICT29AV1DP
INT SOUND MUTE WHEN COMING OFF STANDBYREMOVE C368
MitsubishiCT29AT5
sound slow to come on from coldC9F4 1000µ leaky in psu
MitsubishiCT29AT5
offL551 3µ3 choke in series with base of lop tr o/c
MitsubishiCT29AT5
No soundTA8218AH audio o/p chip & caps 470µ 35v & 100µ 35v leaking
MitsubishiCT29AS1TX etc
Txt break thro' or black square in centre of screenC958, 956 2200µ 16v & check C952, 974 & 973
MitsubishiCT29A6STX
INT LUMINANCEQ654 CRT BASE , Q202 etc. AROUND MICRO
MitsubishiCT29A6STX
COLOUR PROBLEMSCHECK D655 , 656 , 657 ON CRT BASE ( UPRATE TO 1N4003 TYPE IN4006/7 )
MitsubishiCT29A4STX Euro 12
Int NICAM Beacon on screen &/or buzz or hiss on soundDry joints IF can - L9 & pins 20-24 of IC2
MitsubishiCT29A4STX Euro 12
Buzz from spkrs in st/byC960 1000µ 50v