Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
JVC | AV21F1EK | No sound or vision - heaters & EHT present | C834 1µ 50v leaky | ||
JVC | AV21F1EK | No pic - sound ok | TEA5101A RGB driver chip | ||
JVC | AV21F1EK | Dull green pic slow to appear | CRT | ||
JVC | AV21F1EK | Bright raster with fback lines | IC101 TEA5105 on crt base | ||
JVC | AU21F1 | Int signals | Dry joint IC522 5v reg mounted on central heatsink | ||
JVC | 7860GB | Bright pic with fb lines | RGB O/P volts low at 110v (150v). C21 47µ 50v o/c | ||
JVC | 7815GB | Partial field collapse | R414 680R o/c | ||
JVC | 7575GB | Incorrect colour. | Replace C324 ( 33uf ) | ||
JVC | 7255GB | St/by only | C33 220µ 16v & check for drys | ||
JVC | 7255EE-A | Won't come out of standby. | PS, near AN5900 change 2caps 220uF 3caps 10uF and 1cap 47uF. | ||
JVC | 7255EE-A | Won't come out of standby. | PS, near AN5900 change 2caps 220uF 3caps 10uF and 1cap 47uF. | ||
JVC | 29SX4EK | Reverts to st/by aft 5 secs of small pic | C521 5th harmonic tuning capacitor. | ||
JVC | 29SX2EK | To acces service mode | Press the Information button (shown as "i") and the Mute buttons simultaneously | ||
JVC | 29SX2EK | Focus out, field scan low & reverts to st/by | IC401 field chip, LA7845N and FR553 1ohm 1w safety resistor in -13V supply | ||
JVC | 25SX1EK | Comes on in AV mode - no sound when chan selected | IC703 EEPROM Pt no AT24C04255X1EK & re-initialise as per manual |