Sharp Repair Tips
Search: sharp
Results: 1789
Results: 1789
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SHARP |
66FW53H DA100
|
Failure of q601 buh515 and possibly q506 | Found dry joints on c613. also r613 had burnt top of c613. fitted new parts, found circuit no longer available. sharp by name sharp by nature came to mind. set only just over two years old | ||
| SHARP |
54DT25S
|
Frame foldover | Check c713, q510 and q505 | ||
| SHARP |
54DT25S
|
Dead with ticking noise from line | Replaced c622, c604 and q509 | ||
| SHARP |
66FW53H FW
|
Dead only neon lit | Check d735 across 150v rail, if s/c you will need to replace the opto and the d735. check q601 line o/p transistor as this may also be leaky | ||
| SHARP |
DV5131H S3B
|
Intermittent failure of q603 | Replace c601 low in value | ||
| SHARP |
UNKNOWN
|
Fault like soft crt | I had 3 of these sets which all looked like soft crt, i changed the crt base from a known good set and all was ok i do not know the fault on the crt base yet but it was as good as new | ||
| SHARP |
51DT-25H
|
Tv does not turn on, no standby light | R704 was o/c | ||
| SHARP |
VARIOUS
|
The belt transport mechanism loses speed. | Winch roller or winch band | ||
| SHARP |
21HS-50H GA-1E
|
Trips 1 second after switch on | R613 o/c located near scart socket | ||
| SHARP |
5BSA
|
Small picture | Replace d716 27v and d717 75v | ||
| SHARP |
21B
|
No uhf band | Check q212 | ||
| SHARP |
VCA111
|
Poor picture | Faulty c329 4.7uf | ||
| SHARP |
DV3760H
|
Will not work, standby red led flashing | C604 in the 12v line is bad | ||
| SHARP |
37DT-25S
|
Dead, fuse ok | Replace q701 p3na80fi with a p4nb80fi-mbr. check q702 bc338. replace r703 5,6e, 5w, all components in supply. check print for poor contacts | ||
| SHARP |
51DT-25H
|
Nvm modification / symptoms such as no video, tuning drift & reduced height from cold | Fit 2 zener diodes part no. rh-ex0404bm22 in positions d510 and d511, fit coil part no. vp-cf120k0000 in place of link j122 and fit zener diode part no. rh-ex0412bmzz in position d403 | ||
| SHARP |
66GF-63H
|
Blank grey raster with flyback lines,sound present and ok | Check pin 2 on connector h on tube base for 12v if high then check q912 bc337 for o/c | ||
| SHARP |
DV7045SN
|
No vertical deflection | R615 open 0.13Ω 1/2w. also resoldered many bad solder joints | ||
| SHARP |
DV6632H 4BS-C
|
Led changes from green to red, fails to start up, no eht but secondary voltages in psu ok 150v ok | Check q601 and q606, these are q600 lopt drivers, tsound should be 2v p-p on base of q606 and 150v on collector of q601, replace q606 with a bc182 check pinout | ||
| SHARP |
6GF63H DA-50W
|
Noise from speakers / center speaker even with the volume set at minimum | Replace ic1300 ba4558f 8pin smd and ic1302 tda7480 which are both located on the central speaker amplifier plug-in pcb | ||
| SHARP |
20R12 20S02
|
Only in the high channels does it present video saturation when tsound is a white or lighter image, distorting and/or streaking in the white parts. | C659 |