| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| JVC | C21M3EK | No vision | CMOS switch IC202 4066B - comp video disappeared through it | ||
| JVC | C21M3EK | No start up - maybe int. | C901 ( 0.1uf ) in startup cct | ||
| JVC | C21M3EK | No sigs or R/C | ZD603 5v6 zener faulty causing 5v to micro low at 4.4v | ||
| JVC | C21M3EK | No R/C operation | X601 xtal wrong freq fitted - should be 4Mhz not 17Mhz | ||
| JVC | C21M3EK | Line freq off & lack of field bottom scan | R421 0R68 risen to 5R | ||
| JVC | C21M3EK | Dead | C910 0.1µ | ||
| JVC | C21M3EK | Bottom cramp, no col, pulling, warbling sound | Low 12v supply (9v) on D405 - R421 0R68 hi res | ||
| JVC | C21ET1EK | Contrast poor | R318 100k hi res | ||
| JVC | C2155EM | Slow start up | C13 & 33 220µ in st/by cct low cap | ||
| JVC | C210KM | INT. SWITCHES TO STANDBY | D507 , D508 , Q508 , Q509 | ||
| JVC | C210EKY C210EKY | Focus - out of focus | If focus control adj A1's LOPTX faulty. | ||
| JVC | C210EKY | Poor Focus | LOPTx replaced | ||
| JVC | C210EKY | Int luminance | Hairline crack in print pin 18 IC201 col decoder chip | ||
| JVC | C210EKY | Dead | STR54041 chopper chip or C913/917 | ||
| JVC | C210EK | No sound | Crack in print by audio/IF sub panel |