Sharp Repair Tips
Search: sharp
Results: 1789
Results: 1789
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| 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 | ||
| SHARP |
51DT25H
|
Dead - no st/by | R705 560k o/c, also replaced r704 560k | ||
| SHARP |
51DS05H CA10
|
Int reverts to st/by | Fault can be induced by flexing main pcb - dry joints micro ic101 sm on print side underneath | ||
| SHARP |
51DS03H
|
Stuck on 1 chan (itv) | R704 68k hi res | ||
| SHARP |
51DS03H
|
St/by only | R705 68k hi res | ||
| SHARP |
51DS-02S CA10
|
Ht high at 200v (112v) | Opto ic705 (moc8106). | ||
| SHARP |
51DS-02S CA10
|
Dead | Q602 (buh515) & both audio amps ic2300 & 2301 (tda7480) s/c, also c720 100uf/200v) blown top. | ||
| SHARP |
51DS02H CA10
|
When replacing eeprom | Switch set on, after 10 sec delay whilst micro writes data, tune all the channels & select weakest then sw off tv. to enter service mode hold ch+ & vol- on front panel while switching mains on. set comes on in service mode on weakest chan, using ch+/- on r/c choose "agc take over" in menu & press standby, set will adjust agc automatically. now correct geometry if reqd.& press standby to memorize. to exit service mode simply switch off. | ||
| SHARP |
51DS02H CA10
|
Sound absent | Corrupted eeprom (8-pin smd ic104 24c16) due to dj on loptx earthing pin (focus, screen pots). | ||
| SHARP |
51DS02H
|
St/by only & no control of front controls | R705 68k micro feed o/c | ||
| SHARP |
51DS02H
|
No sound | Replace ic104 sharrrhix1588bmzz | ||
| SHARP |
51DS02
|
Green patches and strange colours on bright scene | Enter service mode (hold vol- and ch+ and switch on) select page 00 and set pos 04 to 24 pos 05 to 2c and pos 06 to 4b | ||
| SHARP |
51CS-05H CS
|
Dead with short between c & e of loptr | C602 1nf 2000v was causing it - leaky | ||
| SHARP |
51CS03H 59CS03H
|
Stuck in stby . | If no 300v across c708 check for continuity from d704 cathode to l703 . pcb sometimes damaged in transit . | ||
| SHARP |
51CS03H 59CS03H
|
Int flyback lines ( may be red , green or blue ) | Flux becoming conductive on q870 , 871 , 872 . remove transistors , clean pcb and transistors and replace . | ||
| SHARP |
51CS03H 59CS03H
|
Int bleep from speakers or int no sound ( when hot | Add wire link from pin 22 ic301and pins 28 , 29 ( gnd ) | ||
| SHARP |
51CS03H 59CS03H
|
Field fault , or general modification . | Add 1n4148 from emitter q509 to cathode d513 ( cathode to e q509 . pt no rh-dx0045bmzz ) . change r534 for 390r ( pt no vrs-t |