| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Panasonic | U3W | Line tearing. | C853 ( 100u f ) , C854 ( 47u f ) | ||
| Panasonic | U3W | Lack of width & brighter on right hand side. | EW modulator diodes D552 ( TVSC2715M ) , D553 ( TVSC2406M ) | ||
| Panasonic | U3W | Dark pic with field foldover | Q552 12V reg o/c | ||
| Panasonic | U3W | Channels - not storing channels. | IC TMS3452N2L. | ||
| Panasonic | U3W | Channels - difficulty selecting channels. | IC TMS3452N2L. | ||
| Panasonic | U3 | whistling & ringing verts | C853 100µ 250v | ||
| Panasonic | U3 | Whistles/Screeches at sw on with black lines | C809 1µ 350v, C853 100µ 250v | ||
| Panasonic | U3 | Trips to st/by aft 1 sec | HT smoother C808 220µ 400v | ||
| Panasonic | U3 | Field collapse | Replaced field o/p trs but ran hot - D407 1N4148 o/c | ||
| Panasonic | U3 | Field - 1/2 pic | Q402 2SD856 - used TIP41C | ||
| Panasonic | U3 | Comes on in standby if on/off switch is used. | Relay RY1001 carbonised contacts. | ||
| Panasonic | U2 | Width & Hight reduced. | C371 ( 100uf 240v ) in middle of board. | ||
| Panasonic | U2 | Stuck in standby. | D852 or D853 ( BY298 ) leaky , BU208. | ||
| Panasonic | U2 | Standby - stuck in standby. | D552 ( TVSC2715M ) o/c. | ||
| Panasonic | U2 | Standby - stuck in standby. | PSU D852/3 , Q501 line drive transistor , LOPTX. |