Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Panasonic | Alpha2 TX25T2 | black lines across screen | R469 470R o/c | ||
Panasonic | Alpha2 TX24T1 | loss of sync, no sound | IC3501 SAA5231 FAULTY (VIDEO PROCESSOR ON H BOARD) | ||
Panasonic | Alpha2 TX21V1 | int. low or no sound from right speaker, also crackling | C2441 100pF LEAKY | ||
Panasonic | Alpha2 TX21T1 | dead | IC801 STR51424M | ||
Panasonic | Alpha 4 TX25X1 | Stuck in st/by perm | STR56041M PSU chip brought back life to psu but FOP chip & Audio O/P chips both faulty as well as IC1213 micro which, when replaced, gave no sync - IC501 TDA2579B also faulty | ||
Panasonic | Alpha 4 TX25X1 | PSU o/ps die aft brief period at sw on with field coll noticed | VDP3108-A-29 vid/deflect proc chip - NLA. Fit replacement kit with alternative chip | ||
Panasonic | Alpha 4 TX25X1 | No pic - sound ok | TDA3654 FOP I.C. and 800mA fuse next to it | ||
Panasonic | Alpha 4 | Won't power up - works if pins 3 & 4 of opto shorted | Q890 2SC3311-R leaky | ||
Panasonic | Alpha 4 | Shuts down at sw on with a splutter - HT only 60v | LOPTx | ||
Panasonic | Alpha 4 | OSD consist of black boxes only - pic & Txt ok | C3304 0µ01 leaky & R3309 820R hi res | ||
Panasonic | Alpha 4 | No pic - sound ok | R539 10 ohms fuse resistor in supply to line driver transistor O/C. | ||
Panasonic | Alpha 4 | int lines across pic | UHF tuner faulty | ||
Panasonic | Alpha 4 | Inside the Panasonic Alpha 4 Chassis | See TV Mag June - Sept 1995 | ||
Panasonic | Alpha 4 | Field cramp & buzz on sound | TDA3654 fop chip | ||
Panasonic | Alpha 4 | Field - height increases when heated with twitching | C402 0µ33 mylar cap leaky in ramp gen cct |