sharp Repair Tips
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Results 804
Results 804
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Sharp | DV3751H | int start up, dead,width | R601 5R6 5w varied in value & int o/c | ||
| Sharp | DV3751H | BLANK VIDEO FIELD LINES ACROSS | REPLACE MICRO AND MEMORY Sharp CHIX1463CJ7 Sharp RHIX1492BMN2 | ||
| Sharp | DV3751 DV5131H | CHANGING MICRO | WHEN CHANGING MICRO REPLACE NVM ALSO IC1001 SDA20561- ( A535 ) RH-IX1492BMN2 IC1002 NVM Sharp CH-IX1463CJH7 | ||
| Sharp | DV3751 | NO TEXT - AND NO CLOCK FUNCTION | CHECK LOCATION 21 IN NVM ( LINK PINS 2-6 EDGE CONNECTOR PRESS MODE , REMOVE LINK. ) | ||
| Sharp | DV3751 | No AFC - poor tuning | R214 sometimes gets damaged if set dropped or if rear cover not put on correctly | ||
| Sharp | DV3751 | No AFC | Check R214 for damage - by tuner | ||
| Sharp | DV3750H | Service mode entering | connect a jumper wire between terminals 2 and 6 of the service slot on the video PWB - press the MODE button on remote - SERV will appear on the screen - remove the jumper wire - use channel up/down to move between the options - use volume control buttons to change the data - use the standby button on remote to store settings - turn the set OFF with mains to exit service mode | ||
| Sharp | DV3750H | CHANGING SDA20561 - ( A528 ) TO SDA20561- ( A535 ) | CHANGE BOTH IC 1001 AND IC1OO2 IC1001 Sharp RH-IX1492BMN2 IC1002 Sharp CH-IX1463CJH6 | ||
| Sharp | DV3750H | Blank raster, virtually no pic/sound at sw on - int | Aft chan change no sound/pic, caused by corrupt NVM IC1002 24C02; replace with empty memchip & set up customer & service mode settings - usually caused by noisy 5v line; - replace D710 by 1N4937 - increase the value of C7145 to 2200uF/16V - add a 10nF/50V ceramic capacitor from pin 10 of IC1001 to ground - add a 10nF/50V ceramic capacitor from pin 39 of IC1001 and ground - fit a 8,2V zener diode between pins 4 and 5 of IC1002 (anode to pin 4) - fit a 8,2V zener diode between pins 3 and 6 of IC1002 (anode to pin 3) | ||
| Sharp | DV3750 | Dead - burnt out safety res R728 | Replaced R728 3k3 ½w caused by D707 - pin 7 loptx | ||
| Sharp | DV3730H | CRT CHANGE / COIL COMPATABILITY | EARLY CRT VB34JLN61X/*S EARLY COIL RCILH0037PEZZ LATE CRT VB370BVBK1U-3 LATE COIL RCILH0057PEZZ | ||
| Sharp | DV3705H | NO OPERATION | NVM CORUPT , REPLACE D710 WITH NEW TYPE DIODE , D710 - 1N4937 Sharp- RHDX0507BMZZ , CAPACITOR 10nF 50v - VCKZPA1HF103Z | ||
| Sharp | DV1620 | st/by only - no line drive | No supply to line osc chip - D607 dry joints - feeds 12v reg | ||
| Sharp | DV1600 | Standby - mode. | DJ at LOP transistor fixing screw and print. | ||
| Sharp | DV1600 | St/by only | C715 10µ 100v in psu | ||
| Sharp | DV1600 | St/by only | Dry joints chopper tfmr; C710 33µ 16v bi-polar | ||
| Sharp | DV1600 | St/by only | C715 10µ 100v; C720 1µ 100v | ||
| Sharp | DV1600 | Small white raster | Lopt ( expensive !! ) | ||
| Sharp | DV1600 | Int trip esp on bright pic | Dry joints 2SD869 LOPTr | ||
| Sharp | DV1600 | Blank white small raster | LOPTx - expensive |