Sharp Repair Tips
Search: sharp
Results: 1789
Results: 1789
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SHARP |
76FW-53H DA50W
|
White line down middle (line coll) | C620 overheated & o/c due to c613 dry joints & r613 overheated | ||
| SHARP |
76FW-53H DA50W
|
Snowy pic | Tuner th201 pt no rtunh0123bmzz | ||
| SHARP |
76FW-53H
|
No picture - sound ok | When a1 advanced, blank raster with bottom foldover - q503 irfr010tm flyback fet leaky pt no rh-tx0172bmzz. if no pic check pin 11 ic801for 50hz pulse 4v peak, if missing then fop fault | ||
| SHARP |
76DW18H CW100
|
Blank screen, sound ok. 2 fuses f601 and f602 near lopt o/c. | R611 1r 0.5w in +40v supply o/c, f601, f602 2.5a o/c (near loptx), smd q509 2sb1561 s/c d503 1n4148 s/c (near connector to frame coils) to prevent reocurrence, add 47v zener across +40v, fit in position r626 rear of pcb. in later models this zener is already fitted. | ||
| SHARP |
70ES03S
|
Dead - b+ volts ok | Replace r613 & c613 680nf 250v leaky (cause c613 dry jointed | ||
| SHARP |
70AS
|
Q 600- line transistor s/c | Bad soldered joints at the pcb on deflection coil | ||
| SHARP |
70AS
|
Line transistor goes s/c after short time | R619 + r620 (39r), l600, l602, l603, c617, c618 + c615.drive at q606 has to be > 2 v pp check also ic 800 | ||
| SHARP |
66W53
|
Failure of q601 & q506 | Dry joints c613, change r610 safety, l603 coil rcilp0286bmzz, line tr q506 e/w tr rh-tx0144bmzz | ||
| SHARP |
66GS62H GA10
|
E/w poor & pic breathing | D624 smd hdx00551bmzz. | ||
| SHARP |
66GF64H
|
Blows loptr & c720 at sw on from cold | Ic 705 & d735 pt no.s rh-fx0110bmzz & rh-exo875bmzz (available from chs) | ||
| SHARP |
66GF63H
|
Sound - crackling/int missing - no vol bar movement | Dry joints small audio sub pane | ||
| SHARP |
66GF63H
|
Dead with psu clicking | Check loptr & fit 3 x opto coupler kits (1 psu, 2 data) | ||
| SHARP |
66GF63H
|
Dead with d735 (ex0875 or bzw104) s/c | Replace psu opto - kit available but without d735 | ||
| SHARP |
66GF63H
|
Bright raster with fback lines | Pin 2 ic1801 on crt only 2v caused by q912 o/c bc337-40 (sharp special - normal one overheats) also check d1805 & c1815 both sm on crt base | ||
| SHARP |
66GF63H
|
Bright picture f/b lines. 2 volts on pin 2 of ic1801 | Q912 o/c. replace q912, d1805 & c1815 | ||
| SHARP |
66FW54H
|
Int red pic | O/p ic on crt base faulty | ||
| SHARP |
66FW-53H DA50W
|
Loptr buh515 fails at sw on | Check for dry joints in line driver & o/p stages & replace c607 33025v in driver | ||
| SHARP |
66FW53H DA50W
|
Sound dist | Ic1300 sm chip on plug in pcb overheats & contaminates board - exchange boards reasonable price pt no duntk7285bmw1 | ||
| SHARP |
66FW53H DA50W
|
Contrast level reduces aft 20 mins | Ic1801 tea5101b rgb chip on crt base | ||
| SHARP |
66FW-53H DA100
|
Stuck in standby ,only orange led | Replace opto coupler ic705, q601 (buh 515), q5408 / q5407 and r5425 (470Ω) on tube base. c720 (200v/100uf.) add avalanche diode rh-ex0875bmzz across c720 |