jvc Repair Tips


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Results 369
MakeModel Ch.SymptomProblem SolutionSolutionBy:
JVCC14ET1EK Onwa
Poor field syncC308
JVCC14ET1EK Onwa
Patterning & no colourCF101 in IF o/c
JVCC14ET1EK Onwa
No TxtC020 3µ3 50v o/c
JVCC14ET1EK Onwa
No sound with slight whistleC106
JVCC14ET1EK Onwa
No soundC110
JVCC14ET1EK Onwa
Int reverts to st/byLeaky tactile switches
JVCC14ET1EK Onwa
Failure to stop on search tuneCheck ident cct - Q614/615, caps, 1N4148 diodes D609/610
JVCC14ET1EK
Tunes ok but goes off tune when "Memory" pressedT106 AFC coil o/c in IF can
JVCC14ET1EK
surge lim res o/ccheck C904-7 4n7 disc caps across mains rects
JVCC14ET1EK
Standby onlyR403 0R68 1w o/c (HT feed)
JVCC14ET1EK
St/by onlyR323 6k8 5w feed to AN5601K IC301 o/c
JVCC14ET1EK
Sound 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 faulty
JVCC14ET1EK
Set switching to standby.R323 6K8 , 5watt fusible resistor o/c.
JVCC14ET1EK
Relay chatters at sw on then shuts downC402 4n7 in HT snubber leaky
JVCC14ET1EK
Red excessiveQ502 s/c on crt base
JVCC14ET1EK
Over bright pic with smearingHT to RGB o/p low (180v) R435 0R68 fusible o/c
JVCC14ET1EK
No vol/brightness OSDWhen VR601 adj, bars appear but compressed - IC602 TMS73C47
JVCC14ET1EK
No sound/pic thro' SCART - only blank screenAV switching IC (TC4066BP)
JVCC14ET1EK
No sound/pic - HT presentR434 0R68 ½w o/c. When replaced & A1advanced field collapse observed. FOP chip replaced - also replace C909/11 47µ 50v as a precaution
JVCC14ET1EK
No sound/colNo volts pin 13 micro (should be 4v) - R669 10k (coll feed to Q618)