Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
JVC | C14E1EK Onwa | Int snowy pic at sw on with no OSD or R/C functs | OK 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 | ||
JVC | C14E1EK Onwa | Dead - no st/by | Q902 2SB774 base emitter s.c. (used BC558). | ||
JVC | C14E1EK Onwa | Dead - HT high | C909/911 47µ cured HT problem but still dead; No supply pin 42 AN5601K dec/tb chip IC301. R323 6k8 5w fusible o/c | ||
JVC | C14E1EK Onwa | Dead | After replacement of usual caps the mains smoother C907 4700pF 500v in psu pri was found to be leaky | ||
JVC | C14E1EK -Onwa | St/by only - can be int | lop stage 12v low at 11.5v - R434 0R68 hi res at 1R2 | ||
JVC | C14E1EK | Tuning drift | C116 sm cap - also check other sm electrolytics whilst tuner out | ||
JVC | C14E1EK | 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. | ||
JVC | C14E1EK | St/by only | C406 220µ 25v | ||
JVC | C14E1EK | No Txt | SAA5243P/E on Txt pcb faulty | ||
JVC | C14E1EK | Line Tearing | C632 | ||
JVC | C14E1EK | Int destruction of fop chip (IC401 LA7830) | Replace VR901 (2K) +B preset. | ||
JVC | C14E1EK | Incorrect AGC | C124 | ||
JVC | C14E1EK | FRAME COLLAPSE | CHECK R335 180K FOR O/C | ||
JVC | C14E1EK | Field o/p chip IC401 LA7830 int destroyed | VR901 2k HT preset int - causing HT to int rise | ||
JVC | C14E1EK | field collapse after psu repair | speaker plug connected to service pins by mistake |