| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sharp | 4BS-B | lop tr blown replacement overheats | line drive incorrect. 5v supply at IC2801 low - IC751 KA7805PI faulty | ||
| Sharp | 4BSA DV5161H | unstable line output from cold, no teletext | EEPROM IC1002 (CHIX1463CJHA), Q1010 BC338 o/c B-E, R604 3k3 0.33W o/c | ||
| Sharp | 4BSA DV5161H | int. goes to stby | resolder blue tuning cap C610 near LOPTx | ||
| Sharp | 4BSA | Int trip with front LED flashing | D602 1N4936 in psu | ||
| Sharp | 37VT26H | Dead with st/by LED flashing - brief field coll noticed | C509 1000µ 25v | ||
| Sharp | 37VT-24H | St/by aft 6 secs | R626 1M2 in trip cct o/c | ||
| Sharp | 37VT-24 | Reverts to st/by on bright scenes | R626 1M2 in beam lim hi res | ||
| Sharp | 37GQ20H | Field fault - pic shifted up with top dist | Check C712 & 713 220µ 16v in psu | ||
| Sharp | 37GQ20 | No raster - sound present | IC1001 (£34 trade) | ||
| Sharp | 37FT16FP | No sound | Change CF302 ceramic filter from 5.5Mhz to 6Mhz | ||
| Sharp | 37FT16FP | Child lock cancel | Switch on TV with vol - /prog + pressed to access service mode. Chan + to scroll menu - stop at n v m - a red & a green 2 digit no. appears. Use vol + until green no.C5 changes to 5 Red display shows 00 for lock to be off. Change 01 to 00 using 0 button then sw off TV. (Location 4D may need changing from 01 to 00) | ||
| Sharp | 37ET35H | Whistles in st/by | Put glue over C705 (official mod) | ||
| Sharp | 37ET35H | Dead - LED not lit | Q704 (BC338-40), which had a hole blown in the case. | ||
| Sharp | 37DT25H | No sound/pic or o/p from psu - nothing blown | R704/705 560k ½w | ||
| Sharp | 37DM23SC | Pin code resetting when lost | Press "Lock" key on rcu & vol down on Tv, press "mode" on rcu select "lock", "mode" "turn off lock" option. |