MITSUBISHI TV Repair: Common Faults and Solutions.

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MITSUBISHI Repair Guide: Common Issues and Fixes

Brand	Model	Fault	Detailed Problem
MITSUBISHI	CT29BV1S	Int black screen & no sound - led still lights	Q953 dry joint (6cm back from cooling fin) if ok there is 12 v on collector and 8 v on emitter.
MITSUBISHI	CT29B4STX CT29AS	Stuck in stby led flashes 4 times but stays in stb	In child lock press mute + 8 button on remote together
MITSUBISHI	CT29B3STX	No e-w	Q4009 2sa950y
MITSUBISHI	CT29B3STX	Flaring	Remove r606, 607, 608 & change r609 to 560r
MITSUBISHI	CT29B3STX	Field collapse	Tda8171 mod kit & check for dry joints
MITSUBISHI	CT29B3EST	Field collapse	Replace tda8178s with stv9379, replace r453 (56k) with 47k, vert lin faulty q4009 - fitted bc327 in lieu
MITSUBISHI	CT29B2STX EURO 11	Int goes to st/by	Print damage in bcl cct near conn between scart sub panel & main pcb - the damaged track connects d551 near lopt and r206 near pin9 ic201 mc44000. you will need to take the pcb out as this place is hidden under the plastic chassis.
MITSUBISHI	CT29B2STX	Tripping	Check c906 47µ 63v & c909 2µ2 63v
MITSUBISHI	CT29B2STX	Tripping	R916 22k
MITSUBISHI	CT29B2STX	Red flaring	D655 (1n4148) on the crt base panel leaky.
MITSUBISHI	CT29B2STX	No n-s correction	Q4009 2sa950y on pcc board o/c.
MITSUBISHI	CT29B2STX	Nicam has intermit crackle	Dry joints in if can
MITSUBISHI	CT29B2STX	N/s dist & won't adj	Q4009 2sa950 o/c
MITSUBISHI	CT29B2STX	Goes to secam when playing vcr	Nff-select pal for all vcr progs
MITSUBISHI	CT29B2STX	Flaring pic mod	Remove r606,607,608. - change r609 to 56Ω
MITSUBISHI	CT29B2STX	E/w faulty adjustments on pcc board don,t work	Replace q4009
MITSUBISHI	CT29B2STX	Dead - q901 s/c.	Fit mod kit ( wve 77901 ) r901 , d908 , q901 , c908 to 2700pf , c966.
MITSUBISHI	CT29B2STX	Cuts out when cold	Replace c906 47mfd50v
MITSUBISHI	CT29AV1DP	Int sound mute when coming off standby	Remove c368
MITSUBISHI	CT29AV1DP	Int sound mute when coming off standby	Remove c368