Sharp Repair Tips
Search: sharp
Results: 1785
Results: 1785
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| SHARP |
59CS03H
|
No / int field collapse | Resolder l501 ( joints on body ) | ||
| SHARP |
59CS03H
|
Field lin creeps up at bottom | Q707 c33840 = x-40 | ||
| SHARP |
59CS03H
|
Dead & whistling | Q306 2sa1797q sm audio amp s/c - also check q306, d301/2, d305 1n4933 & check for dry joints back of scan coil pcb | ||
| SHARP |
59CS03H
|
Dead | Tda8375a if/video proc/tbase chip faulty ic201 (low res between pin 56 & chassis) | ||
| SHARP |
59CS03H
|
Audio noise - int | Qa 05/306 | ||
| SHARP |
56FW-53H DA50W
|
E/w faulty | C613 560nf 250v o/c in lop stage | ||
| SHARP |
56FW-53H
|
Dead & e/w problems | Loptr buh515 leaky, c613 sh1010 - chs dry jointed & o/c - cause of problem, l603 rcilp0286bmzz, q506 rhtx0151bmzz(2sd2391q) sm e/w tr, r613 3k3 3w, d516 47v zener | ||
| SHARP |
56FW53H
|
Service mode access | Switch on with vol down & ch up buttons pressed. the ch up/down & vol up/down buttons on the handset are used to alter values & each setting must be stored by pressing st/by | ||
| SHARP |
56FW53H
|
No audio | Ic302 (tda7480) l/h audio o/p ic (about 8ukp from seme) and two chokes connected to it l315/l316 (3.3microh) (about 1.50ukp packet of 5 from farnell) were burnt to a crisp.after replacement i still had no l/h audio, found q306 (2sc2412 sm) s/c in the +5v feed to the ic (i used a bc847) | ||
| SHARP |
56FW53H
|
Lines of r, g & b at top of screen and pin cushion dist at top | Need to set up nvm values for specific crt type obtained from sharp tech bulletins. also may need to alter geometry settings in service mode. | ||
| SHARP |
56FW53H
|
Dead - loptr s/c | Fit new buh515, check for dry joints c613 & c607 330µ 10v hi esr | ||
| SHARP |
56FW53H
|
Blows loptr int at sw on | C607 330µ in line driver | ||
| SHARP |
51FS51H
|
Agc overload/off tune type fault | Tuner faulty | ||
| SHARP |
51DT-25H CA1
|
Stuck in st/by with motorboating from spkr | C712 220µ 16v in 10v supply almost o/c | ||
| SHARP |
51DT-25H
|
Lines across screen when cold | C604 220u 10v | ||
| SHARP |
51DT-25H
|
Lack of height, no vid & tuning drift at sw on | Nv memory mode - fit 2 x zeners d510/511 pt no ex0404bm22, fit coil pt no vp-cf120k0000 in place of link j122 & fit another zener d403 pt no rh-ex0412bmzz. (cct ref printed on pcb) | ||
| SHARP |
51DT-25H
|
Frame collapse with no sound | Check q500 bc328 | ||
| SHARP |
51DT25H
|
Int lack of height or off tune when 1st sw on - ok at subsequent sw on | Sharp mod - add 3.6v zener between pin 63 ic201(cathode) & chassis; add another 3v6 zener pin 64 & chassis(cath to chip). substitute link j122 with 12uh coil pt no vp-cf120k0000; add 7v5 zener pin 30 (cath) & chassis. check crt final anode for cleanliness | ||
| SHARP |
51DT25H
|
Int blank raster, lack of height, off tune | Fit d511 & 512 3v6 zeners in marked places next to ic201, fit d403 by plug k - replace link 122 in 5v supply with 12µ coil. | ||
| SHARP |
51DT25H
|
Going off tune picture blanks etc | C715 470mfd 10v o/c |