jvc C14E1EK Repair Tips




Search: C14E1EK jvc
Results 25
MakeModel Ch.SymptomProblem SolutionSolutionBy:
Jvc C14E1EK
Dead, in standby, HT present at relay RLX401, no 12 volts at C419R425 5.6ohm o/c, ZD402 12 volt zener s/c and C426 2200uF, 25volt faulty
Jvc C14E1EK
Tuning drift,worse at high channel no'sDry joints inside tuner unit, connections between edge of pcb and lugs
JVCC14E1EK Onwa
Set comes on to standby - relay clicks.R323 ( 6k8 5watt ) fusible resistor o/c ( maybe Int ) between p42 of IC301 & HT rail.
JVCC14E1EK Onwa
No goR323 ( 6k8 5watt ) fusible resistor o/c between p42 of IC301 & HT rail.
JVCC14E1EK Onwa
Int snowy pic at sw on with no OSD or R/C functsOK once TMS73C47 micro reset (s/c pin 32 to chassis briefly). Caused by crack in print at front edge of pcb on track to pin 2 micro - hard to see due to covered in black ink
JVCC14E1EK Onwa
Dead - no st/byQ902 2SB774 base emitter s.c. (used BC558).
JVCC14E1EK Onwa
Dead - HT highC909/911 47µ cured HT problem but still dead; No supply pin 42 AN5601K dec/tb chip IC301. R323 6k8 5w fusible o/c
JVCC14E1EK Onwa
DeadAfter replacement of usual caps the mains smoother C907 4700pF 500v in psu pri was found to be leaky
JVCC14E1EK (Onwa)
St/by only - can be intlop stage 12v low at 11.5v - R434 0R68 hi res at 1R2
JVCC14E1EK
Tuning driftC116 sm cap - also check other sm electrolytics whilst tuner out
JVCC14E1EK
Stuck in StBy , relay clicks but no go . Or very rarely comes on and then goes to StBy after 3-4 mins .R323 6K8 5w fusible OC.
JVCC14E1EK
St/by onlyC406 220µ 25v
JVCC14E1EK
No TxtSAA5243P/E on Txt pcb faulty
JVCC14E1EK
Line TearingC632
JVCC14E1EK
Int destruction of fop chip (IC401 LA7830)Replace VR901 (2K) +B preset.
JVCC14E1EK
Incorrect AGCC124
JVCC14E1EK
FRAME COLLAPSECHECK R335 180K FOR O/C
JVCC14E1EK
Field o/p chip IC401 LA7830 int destroyedVR901 2k HT preset int - causing HT to int rise
JVCC14E1EK
field collapse after psu repairspeaker plug connected to service pins by mistake
JVCC14E1EK
Field collapse25v supply to fop chip LA7830 IC401 missing - R433 0R68 o/c & C424 4n7 500v leaky (measured ok out of cct)