jvc Repair Tips


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Results 369
MakeModel Ch.SymptomProblem SolutionSolutionBy:
JVCC21M3EK
Line freq off & lack of field bottom scanR421 0R68 risen to 5R
JVCC21M3EK
DeadC910 0.1µ
JVCC21M3EK
Bottom cramp, no col, pulling, warbling soundLow 12v supply (9v) on D405 - R421 0R68 hi res
JVCC21ET1EK
Contrast poorR318 100k hi res
JVCC2155EM
Slow start upC13 & 33 220µ in st/by cct low cap
JVCC210KM
INT. SWITCHES TO STANDBYD507 , D508 , Q508 , Q509
JVCC210EKY C210EKY
Focus - out of focusIf focus control adj A1's LOPTX faulty.
JVCC210EKY
Poor FocusLOPTx replaced
JVCC210EKY
Int luminanceHairline crack in print pin 18 IC201 col decoder chip
JVCC210EKY
DeadSTR54041 chopper chip or C913/917
JVCC210EK
No soundCrack in print by audio/IF sub panel
JVCC201EK
St/by onlyReplace SBX-M904A Station Select Module £39.78 + VAT from WVE & C913, C914 and C917 in PSU
JVCC201EK
Dead with squeal from psuReplace Q551 2SD1427 s/c LOPTx, Q923 2SD1274 s/c, D929 15volt Zener s/c, IC 901 STR54041 & R919 390K & R905 330K slightly hi res
JVCC14ET1K
No col & reduced height12v supply low R434 (6R8) hi res
JVCC14ET1EK Onwa
Rapid tripping at sw onC402 4n7 500v leaky in prot network
JVCC14ET1EK Onwa
Dead tho' st/by relay operatesSupply of 8.5v to IC301 pin 42 missing - R323 6k8 5w o/c
JVCC14ET1EK Onwa
Col goes aft 5 minsPin 12 IC301 AN5601K low at 2v (5.1v); C325 0.47mf 35v tant was fitted wrong way round
JVCC14ET1EK (Onwa)
DeadC909 47µ had exploded & perlace C911 47µ 50v. No Ht when replaced - R404 1R0 safety res o/c in 16v supply
JVCC14ET1EK Onwa
Wriggling line at bottom of pic (after repairing blow up)12v line low at 11v - fusble res R434 0R68 had risen in value
JVCC14ET1EK Onwa
Sync crushing with soot & whitewash picC113