| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Panasonic | Alpha 1 | Q551 KEEPS BLOWING | CHECK DRY-JOINTS ON LINE OUTPUT TRANSFORMER | ||
| Panasonic | Alpha 1 | Plain blank raster & no sound , no OSD sync - Ok via rear sockets. | Replace IC101 ( TDA4505M ) in side can middle of chassis. | ||
| Panasonic | Alpha 1 | Pic goes in from RH side with black line across centre | Dry joints field o/p chip | ||
| Panasonic | Alpha 1 | Pic brightens & drops with dist field scan when heated | Scan coils faulty - reqs replacement of crt as they are bonded | ||
| Panasonic | Alpha 1 | off - safety res R851 2R2 o/c when replaced loud buzz | when base of line driver tr lifted buzzing stops. No line drive replaced TDA4505M-N3 jungle chip (must be correct suffix) | ||
| Panasonic | Alpha 1 | No sound/pic off air or via scart | IC2601 M51320P AV sw chip - to check, remove chip & jumper I/P & O/P pins | ||
| Panasonic | Alpha 1 | No sound or picture - squealing. | Line drive transformer. | ||
| Panasonic | Alpha 1 | No pic/sound - chan ind lit, psu whining | C808 hi esr, R567 pt no TSF19102 (fuse) - used 1.4A Wickman | ||
| Panasonic | Alpha 1 | No col | Replace sub carrier trimmer and adj; check PAL delay line by subst | ||
| Panasonic | Alpha 1 | LOPTr Q551 int blows | Check dry joints line dr trfmr & R567 1A fusible resistor | ||
| Panasonic | Alpha 1 | Lines with whistle | C808 10µ 63v | ||
| Panasonic | Alpha 1 | Lack of height - lin ok | Fit 3R3 resistor across R461 to increase height | ||
| Panasonic | Alpha 1 | Lack of col at top of pic whilst playing pre-recs | Change C604 from 0µ047 to 0µ33 | ||
| Panasonic | Alpha 1 | Int flicks off tune with momentary bright blue raster | Chopper chip IC801 | ||
| Panasonic | Alpha 1 | High HT (128 instead of 119v) | C808 10µ 50v hi esr |