Sharp Repair Tips
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Results: 1784
Results: 1784
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| 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, there 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 there is a white or lighter image, distorting and/or streaking in the white parts. | C659 | ||
| SHARP |
C2015P
|
Vertical line in the middle of screen. vertical ic defective. type: x0238ce | Replace with a common upc 1378. (fully compatible) | ||
| SHARP |
VT3700H
|
Won't tune. | Ic1005 , r760 ic1005 sharp rh-ix0249cezz r760 220Ω , sharp vrg-rf2eb221j | ||
| SHARP |
VT3700H
|
St/by only | L752 burnt up - replace all smis in the line concerned | ||
| SHARP |
VT3700H
|
Off tune on timer recs | Vt supply to tuner rises when tv in st/by - ic005 33v stab rh-iz0249cezzj | ||
| SHARP |
VT3700
|
No sound/pic - tape stuck in | R761 1r fusible o/c, zener d757 15v s/c, l752 o/c & check ck caps in psu | ||
| SHARP |
VT-2198B
|
Unable to reduce vol to min - osd ok | R1090 12k 0.25w on daughter pcb | ||
| SHARP |
SV287XH
|
St/by only at sw on with burning smell | R518 2r2 smokes due to fop chip ic501 la7831 faulty - caused by c521 & 522 100µ 35v o/c | ||
| SHARP |
SV287XH
|
Blank raster/no sound - osd present (rf & scart) | Switching [video and audio] is performed by ic401 [m51321p] a three gang three way device. pin 15 of the ic works on a tristate level. with the ic supply being 12v: 0 - 2.5v input from bnc; 5 - 7v input from scart ;9 - 12v input from tuner. diode d419 [dx00458m] which links to the wiper of the agc preset was leaky, limiting the voltage on pin 15 to 7v and thus preventing tuner mode selection. replace d419 with an in4148 | ||
| SHARP |
SV2589
|
Red tint at top of pic & slight vert jitter | C636 330µ dy joints | ||
| SHARP |
SV2589
|
Int red tint in top 2/3rds of picture | C636 dry check diodes on heatsink also | ||
| SHARP |
SV2589
|
For psu problems. | Resolder diodes attached to psu heatsink. | ||
| SHARP |
SV2588H
|
Dead aft brief activity at sw on | Overiding relay gave blank raster/no sound - d712 & d713 dry joints | ||
| SHARP |
SV2142ED
|
Hi ht at 250v (115v) | Crack in print by pins 1 & 4 of strd5441 |