Dicas Reparação
Modelo - Chassis 11AK19P
Pesquisa: 11AK19P Enviar Dica Resolvida
Resultados 59
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Bush | WS6673 11AK19P5 | Dead - check for dry joints | Also replaced LOPTr which then produced 1" line scan - D622 BY228 leaky & R629 2R7 o/c. There's a mod for psu (11DYC19P) to fit heatsink for diode that burns up | ||
| Bush | WS6671 11AK19P4 | Width excessive | Q603 (9NQ20T or BUK444-200 or MTP6N60E) | ||
| Bush | WS6671 11AK19P4 | Narrow pic | Dry joint/ o/c C630 560n; R629 27R? Safety o/c, L604 reads 3R (correct), Q603 PHF9NQ20T replaced - used BUK444 200A in lieu | ||
| Bush | WS6671 11AK19P4 | Narrow pic | R629(2R7 1/3 watt fusible) plus DJ on C630. | ||
| JMB | JMB66W 11AK19Pro 11AK19 | Dead - LED lit green but no line drive | pin 40 TDA8844 s/c. There is an internal diode between pin 40 & ground that goes leaky, replace the IC or burn diode o/c by applying 5V between pin 40 & ground from ext psu | ||
| Hitachi | C2842N 11AK19PP 11AK19 | Dead - D823 blown (not shown on cct) | When replaced still faulty, IC802 MC44604P chopper chip u/s - also check FET chopper Tr | ||
| Goodmans | GTV69W3BLU4 11AK19Pro 11AK19 | R629 value | 2R7 in 28" 4:3; 27R in 28" widescreen; 44R in 32" widescreen | ||
| Bush | WS7671 11AK19P4 11AK19 | Dead - off with a bang | IC802 MC44604P, IC801 CQY80NG CNX82 OR SEME TYPE OPT403 OPTOCOUPLER, Q802 2SK2545 MTP6N60E, R822 22K 3W, D807 RL207 BA159, D826 BA159, D827 BA159, D824 MR852 BYW98/200V | ||
| Bush | WS6673 11AK19P5 11AK19 | Dead - D823 blown (not shown on cct) | When replaced still faulty, IC802 MC44604P chopper chip u/s - also check FET chopper Tr | ||
| Bush | WS6673 11AK19P5 11AK19 | Dead - check for dry joints | Also replaced LOPTr which then produced 1" line scan - D622 BY228 leaky & R629 2R7 o/c. There's a mod for psu (11DYC19P) to fit heatsink for diode that burns up | ||
| Bush | WS6671 11AK19P4 11AK19 | Width excessive | Q603 (9NQ20T or BUK444-200 or MTP6N60E) | ||
| Bush | WS6671 11AK19P4 11AK19 | Narrow pic | R629(2R7 1/3 watt fusible) plus DJ on C630. | ||
| Bush | WS6671 11AK19P4 11AK19 | Narrow pic | Dry joint/ o/c C630 560n; R629 27R? Safety o/c, L604 reads 3R (correct), Q603 PHF9NQ20T replaced - used BUK444 200A in lieu | ||
| Watson | FA2801TS 11AK19Pro 11AK19 | Narrow pic | Dry joints C630 560nf & R629 27R o/c & dry joints E/W FET & 2w res burnt up (fitted 330R). The whole pcb reqd repair to tracks due to overheating | ||
| Watson | FA2801TS 11AK19Pro 11AK19 | Dead with psu blown | IC802 MC44604, D824 RL207 USED BY299, D824/5/6/7 ALL BA159's, Q802 FET P6NC60FB used BUZ90 in lieu, D823 IN1418, R850 180K (Read ok but changed as a precaution.), R817 2.2R 5W, R814 47R, R819 0.22R, C848 220MFD (Read ok but changed as a precaution.) |