jvc Repair Tips
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Results 369
Results 369
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| JVC | S2180M | Field collapse | Check UPC1488H FOP chip & supply to it - if missing, check cp IC 10NR for o/c | ||
| JVC | Onwa | St/by only | No line feed - 6k8 2w resistor in middle of pcb discoloured & o/c | ||
| JVC | Onwa | Sound int & paired lines at bottom | R434 0R68 ½w hi res | ||
| JVC | MX2 | Flyback lines at bottom of screen | Increase value of C442 from 150pf to 470pf | ||
| JVC | MX2 | Field int collapses | D441 RD3.0ES(B2) goes leaky when warm - to pin 13 TA8859P IC461 | ||
| JVC | JX | Blank raster when A1 advanced - sound ok | TDA4580 RGB vid controller chip | ||
| JVC | JA | Field scan missing from top | IC401 (fop chip) pin 4 = 14.5v, pin 8 = 42v but was low because FR553 5R6 ½w o/c. eplaced along with TDA8350Q fop chip | ||
| JVC | CY21EK | Int goes to st/by | Dry joint X401 resonator by IC401 caused int line drive | ||
| JVC | CX60GB | AC adaptor no o/p | Q01 2SC2688 o/c | ||
| JVC | CVT21EK | Resorts to st/by at sw on | R808 0.68R safety res risen in value (in X ray cct) By pass relay to check symptoms | ||
| JVC | CV14EKW | Col ok top half - greenish mono pic bottom half | IC402 STV2180A chroma delay line chip Pt no 033-E02180-31 | ||
| JVC | CV14EKS Onwa | Dead - HT present at coll of chopper tr | R919 10k additional res in series with base cct of Chopper o/c | ||
| JVC | CV14EKS | Int no pic on RF - OK on scart | L204 o/c pt no JVC 10515010102V | ||
| JVC | CV14EKS | Int flashes red - worse when heated | IC401 Vid proc - Pt no JVC 03320211631A | ||
| JVC | CV14EKB | Weak, snowy pic | Replace 4-legged SMD tr BF998W (marked MRs) in tuner can use BF998 in lieu but fit other way round | ||
| JVC | CV14EKB | Chan up/down not working - ok using no's | OK after auto tuning | ||
| JVC | CTV14EK | Int poor pic/ int Txt | 18.8Mhz Xtal dry joints or faulty; IC381 STV5347 proc (Under can on rh side of pcb) | ||
| JVC | CT14ETE1K Onwa | PSU blown | Replace - R 915 39R 7WATT; R914 0.33R 2WATT; R902 2.2 3WATT; R901 4R7 5WATT; R911 12R 1WATT; R912 27R 2WATT; R913 22OK 1WATT; Q903 2SC1815; Q901 2SC1815; Q902 2SB744; Q904 2SD1545 OR 2SD2498; ZD901 8V2; ZD902 9V1; D901,902,903 all BA 157's; C902 .0022MFD 2KV ? (originally .0022MFD but updated to .0039MFD)This cap was blackened & seems to have been the route cause of the blown up. | ||
| JVC | CS2191EKT | Poor pic like duff crt - lum signal crushed | D804 1SS133 leaky in osd insertion cct 1N4148 works in lieu | ||
| JVC | CS2190EK BXII | Reverts to st/by aft 20 mins - 115v HT disappears | CP901 N55 cct prot hi res |