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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: 41
Goodmans1404/1430 JVC C14ET1EKBent vertsC307 2µ2 50v o/c near TA8718 IC30114-09-04
Goodmans1404/1430 JVC C14ET1EKHerringbone pattsAdd screen wire from tuner to IF can14-09-04

Goodmans1404/1430 JVC C14ET1EKInt or no col, lack of height/ no line dr/deadLT supply low - should be 8.8v IC301 pin 21 - R302 6k8 5w faulty14-09-04
Goodmans1404/1430 JVC C14ET1EKStriationsC420 22µ 160v on crt base14-09-04
JVC14ET1EKHotel mode? No chan store & "H" in top cornerPull up res R605 27k for chip select pin was o/c14-09-04
JVCC14ET1EKDeadR434 0R68 in 14v supply to D408 o/c14-09-04
JVCC14ET1EKFaint Hor lines 2cm from bottomR434 0R68 1/2w in 12v feed high res14-09-04
JVCC14ET1EKField collapseR335 180k hi res or o/c14-09-04
JVCC14ET1EKInt col & line lockR421 or marked R423 0R68 12v feed risen to 12R14-09-04
JVCC14ET1EKInt dead - LED dimD402 S5295 o/c - may read ok off load14-09-04
JVCC14ET1EKINT DEAD WITH DIM LEDREPLACE D40214-09-04
JVCC14ET1EKNo R/C functsZD603 leaky14-09-04
JVCC14ET1EKNO SOUND OR COLOURCHECK PIN 13 OF MICRO IF 0V REPLACE R669 10K OHM14-09-04
JVCC14ET1EKNo sound or varying vol, no stopping in Auto TuneD807 1N4148 leaky14-09-04
JVCC14ET1EKNo sound/colNo volts pin 13 micro (should be 4v) - R669 10k (coll feed to Q618)14-09-04
JVCC14ET1EKNo sound/pic - HT presentR434 0R68 ?w o/c. When replaced & A1advanced field collapse observed. FOP chip replaced - also replace C909/11 47µ 50v as a precaution14-09-04
JVCC14ET1EKNo sound/pic thro' SCART - only blank screenAV switching IC (TC4066BP)14-09-04
JVCC14ET1EKNo vol/brightness OSDWhen VR601 adj, bars appear but compressed - IC602 TMS73C4714-09-04
JVCC14ET1EKOver bright pic with smearingHT to RGB o/p low (180v) R435 0R68 fusible o/c14-09-04
JVCC14ET1EKRed excessiveQ502 s/c on crt base14-09-04
JVCC14ET1EKRelay chatters at sw on then shuts downC402 4n7 in HT snubber leaky14-09-04
JVCC14ET1EKSet switching to standby.R323 6K8 , 5watt fusible resistor o/c.14-09-04

JVCC14ET1EKSound muted/erratic non-lin field at bottom - check if auto tune stops at a chan - if not change:-Q605, Q618, Q619, Q620, Q621, 2SC1815-Y. D607 & 8 1N4148, R403, 404, 433, 434, 435, 0R68 1/2w safety res, Q402 2SD400F, C406 220µ 25v, C433 220µ 35v. In this case just C433 was faulty14-09-04
JVCC14ET1EKSt/by onlyR323 6k8 5w feed to AN5601K IC301 o/c14-09-04
JVCC14ET1EKStandby onlyR403 0R68 1w o/c (HT feed)14-09-04
JVCC14ET1EKsurge lim res o/ccheck C904-7 4n7 disc caps across mains rects14-09-04
JVCC14ET1EKTunes ok but goes off tune when "Memory" pressedT106 AFC coil o/c in IF can14-09-04
JVCC14ET1EK OnwaFailure to stop on search tuneCheck ident cct - Q614/615, caps, 1N4148 diodes D609/61014-09-04
JVCC14ET1EK OnwaInt reverts to st/byLeaky tactile switches14-09-04
JVCC14ET1EK OnwaNo soundC11014-09-04
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